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WO2020112593A1 - Adaptateur de seringue pour médicament - Google Patents

Adaptateur de seringue pour médicament Download PDF

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Publication number
WO2020112593A1
WO2020112593A1 PCT/US2019/062926 US2019062926W WO2020112593A1 WO 2020112593 A1 WO2020112593 A1 WO 2020112593A1 US 2019062926 W US2019062926 W US 2019062926W WO 2020112593 A1 WO2020112593 A1 WO 2020112593A1
Authority
WO
WIPO (PCT)
Prior art keywords
syringe
syringe adapter
distal end
needle
sidewall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2019/062926
Other languages
English (en)
Inventor
James T. DOUBET
Paul D. Doubet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US16/203,858 external-priority patent/US11090444B2/en
Application filed by Individual filed Critical Individual
Priority to CA3121133A priority Critical patent/CA3121133A1/fr
Publication of WO2020112593A1 publication Critical patent/WO2020112593A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/344—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub using additional parts, e.g. clamping rings or collets
    • A61M5/345—Adaptors positioned between needle hub and syringe nozzle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/346—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub friction fit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
    • A61M5/31583—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod
    • A61M5/31586—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod performed by rotationally moving or pivoted actuator, e.g. an injection lever or handle

Definitions

  • the present invention relates to improved apparatus for use with medication, and method(s) of using same, particularly for higher-viscosity medication.
  • Medication is needed for various purposes, including illness treatment and illness prevention.
  • a syringe adapter for withdrawing fluid medication from a container comprises a sidewall extending between a proximal end and a distal end, the sidewall having an interior surface defining a chamber, the proximal end configured to be connected to a syringe while withdrawing at least a portion of the fluid medication from the container through the chamber and into a barrel of the syringe and the distal end configured for inserting into the container for the withdrawal, wherein an opening at the distal end is relatively large in diameter to facilitate withdrawing fluid medication having a relatively high viscosity and the syringe adapter is configured to be removed from the syringe and replaced with a needle prior to subsequently injecting (for example, Into an animal) the fluid medication (or at least some portion thereof) withdrawn into the barrel.
  • the syringe is preferably configured as a pistol-grip syringe or a tab-handled syringe, and may therefore provide improved leverage for the subsequent injection in an embodiment, the diameter of the opening at the distal end is approximately 0 10 inches and the sidewall is approximately 0.05 inches in thickness at the distal end.
  • the syringe adapter further comprises a flanged area that extends perpendicularly from the proximal end.
  • the syringe adapter may further comprise a radial extension member that extends perpendicularly and radially outward from an exterior surface of the syringe adapter.
  • an outer shape of the syringe adapter is generally conical in a first portion and generally cylindrical in a second portion.
  • an inner shape of the syringe adapter, for at least a portion of the proximal end is generally conical.
  • the inner shape of the syringe adapter tapers from the proximal end toward the distal end, for at least a portion of the proximal end, at approximately 6 percent.
  • the syringe adapter preferably connects to the syringe using a Luer-type connection, the Luer-fype connection selected from the group comprising a Luer-type lock and a Luer-type slip.
  • a method of administering fluid medication comprises: affixing a syringe adapter to a syringe, the syringe adapter comprising a sidewall extending between a proximal end and a distal end, the sidewall having an interior surface defining a chamber, the proximal end configured to be connected to a distal end of the syringe; inserting the distal end of the syringe adapter into a container of fluid medication having a relatively high viscosity;
  • the syringe adapter is configured for receiving a needle at its distal end, such that the needle is affixed to the distal end of the syringe adapter subsequent to withdrawing fluid medication into the barrel of the syringe, and the syringe adapter is configured to remain in place while injecting the fluid medication (or at least some portion thereof) into a recipient with the needle.
  • administering the fluid medication may be repeated (for exampie, for another recipient) by removing the needle, using the in-place syringe adapter for withdrawing more fluid medication (from the same or a different container), re-affixing the needle to the syringe adapter, and then injecting this medication (or some portion thereof).
  • the distal end of the syringe adapter preferably provides for a Luer-type connection with the needle, and the proximal end of the syringe adapter is preferably configured with a Luer-type locking member for connecting to the syringe.
  • the syringe adapter may further comprise an extension member that extends
  • a method of administering fluid medication comprises: affixing a syringe adapter to a syringe, the syringe adapter comprising a sidewall extending between a proximal end and a distal end and having an interior surface defining a chamber, the proximal end configured to be connected to a distal end of the syringe; inserting the distal end of the syringe adapter into a container of fluid medication having a relatively high viscosity; withdrawing, from the container, at least a portion of the fluid medication through the chamber and into a barrel of the syringe, wherein an opening at the distal end of the syringe adapter is relatively large in diameter to facilitate withdrawing the relatively-hlgh-viscosity medication; affixing a needle to the distal end of the syringe adapter, subsequent to the withdrawing from the container; and injecting, into a recipient with the needle, at
  • a system for administering higher-viscosity fluid medication comprises: a syringe; a syringe adapter comprising a sidewall extending between a proximal end and a distal end, the sidewall having an interior surface defining a chamber, the proximal end configured to be connected to the syringe while withdrawing at least a portion of the fluid medication from a container through the chamber and into a barrel of the syringe and the distal end configured for inserting into the container for the withdrawal, wherein an opening at the distal end is relatively large in diameter to facilitate withdrawing the higher-viscosity fluid medication from the container; and a needle, the needle configured for connecting to the syringe adapter subsequent to use of the syringe adapter for the withdrawing and while the syringe adapter remains connected to the syringe, the needle further configured for injecting, into a recipient, at least a portion of the fluid medication withdrawn into the
  • the needle is removably affixed to a needle holder that, in turn, is removably affixed to the in-place syringe adapter for the injection.
  • the needle holder affixes to the syringe adapter using a Luer-type locking connection
  • the syringe adapter is configured with a support hub member for removably receiving the needle holder, the support hub member radially surrounding at least a portion of a length of a sidewall of the syringe adapter.
  • the needle remains affixed to the needle holder following an injection, whereby the needle may be removed from the syringe adapter (for example, in preparation for withdrawing additional fluid medication from a container) by removing, as a single unit, the needle holder and the needle affixed thereto.
  • a method of administering fluid medication comprises: inserting a distal end of a syringe adapter into a container of fluid medication having a relatively high viscosity, the syringe adapter being affixed to a syringe, the syringe adapter comprising a support hub member radially surrounding at least a portion of a length of a sidewall, the sidewall extending between a proximal end and a distal end and having an interior surface defining a chamber, the proximal end of the sidewall configured to be connected to a distal end of the syringe; withdrawing, from the container, at least a portion of the fluid medication through the chamber and into a barrel of the syringe, wherein an opening at the distal end of the sidewall is relatively large in diameter to facilitate withdrawing the relatively-high-viscosity medication; affixing a proximal end of a needle holder to the distal end of the
  • FIGs. 1 - 3 depict examples of prior art syringes
  • FIG. 4 depicts an example of a prior art needle
  • FIGs. 4A and 4B illustrate bottom views showing how a proximal end of a needle may be configured for securable attachment to a syringe
  • FIGs. 5 - 8 illustrate first and second preferred embodiments of the syringe adapter disclosed herein;
  • FIGs. 7 - 8 illustrate alternative embodiments of the syringe adapter disclosed herein;
  • FIG. 9 illustrates a still further embodiment of the syringe adapter disclosed herein.
  • FIG. 10 illustrates a syringe adapter placed upon a syringe
  • FIG. 11 illustrates a needle placed upon a syringe adapter
  • FIGs. 12 and 13 illustrate yet other embodiments of the syringe adapter disclosed herein, and also illustrate placement thereof upon a syringe;
  • FIG. 14 illustrates a further embodiment of the disclosed syringe adapter, showing an exterior view as well as cross-sectional views of placement thereof upon a syringe and as exploded;
  • FIG. 15 illustrates a still further embodiment of the disclosed syringe adapter that includes a needle holder to which a needle may be removably affixed, showing exterior views as well as cross-sectional views of placement thereof upon a syringe and as exploded;
  • FIGs. 18 and 17 illustrate yet other embodiments of the disclosed syringe adapter that include a needle holder to which a needle may be removably affixed, showing exterior views as well as cross-sectional views of placement thereof upon a syringe and as exploded, where FIG. 17 shows a syringe adapter having a sharp tip and both figures illustrate a needle holder adapted for a locking connection with the needle;
  • FIGs 18 and 19 illustrate embodiments of the disclosed syringe adapter that replace a conventional syringe tip, showing exterior views as well as
  • FIGs. 20 - 21 illustrate alternative approaches for a portion of the syringe adapters shown in FIGs. 18 and 19;
  • FIG. 22 presents tables containing measurements from tests conducted to compare use of a sample version of the disclosed syringe adapter to use of conventional needles.
  • Treatment of animals using medication may be desired whether the animal is a family pet, part of a livestock operation, is the subject of research, and so forth.
  • Examples of medicating animals for illness treatment will be obvious, and may span a wide variety of illnesses.
  • One example of medicating an animal for illness prevention is a proactive vaccination; another example is to proactively administer an antibiotic.
  • animals may be proactively medicated before they are introduced into another group of livestock, for example to guard against introducing an illness that they may carry or simply to ensure that all animals in the group have received an identical medication regimen.
  • Medication might also be administered in anticipation of, or in response to, a change in weather conditions or a change in geographical location for an animal (such as moving from one climate to another).
  • Medication may be found in various forms, including solid and fluid. Solid substances may be ingestibie, for example, while fluids may be injectable or may be administered orally or nasally. Embodiments of the present invention are directed toward improved apparatus for use with medication in fluid form, and the scope of the present invention also includes method(s) for using such apparatus
  • Medications provided in fluid form may vary widely in their viscosity, depending upon their chemical formulation. Viscosity is sometimes defined as the resistance of a substance to flow. The viscosity of water is relatively low, for example, while the viscosity of honey is relatively high. The viscosity of some substances can be changed by applying heat; for example, melting butter increases its ability to flow. Some fluid medications may have a viscosity that is relatively low and Is similar to that of wafer, for example, and thus will flow quite easily. Other fluid medications are known that have a viscosity that is markedly different from water.
  • Fluid medications intended for use with animals are commonly marketed in multi-dose packaging, such as bottles that hold enough fluid for administering several doses.
  • a bottle of medication might hold 500 milliliters, for example
  • the bottle might be made of glass or plastic, and a container having a configuration other than a bottle might be used.
  • the term“bottle” is used for ease of reference, and by way of illustration and not of limitation, as a container type in which medication may be contained.
  • One reason for marketing animal medication in multi-dose bottles is economic. The cost of the medication may be reduced, for example, by selling a larger quantity container and thereby reducing the relative cost of the packaging. Another reason for marketing animal medication in multi-dose bottles is that the dosage of many (if not ail) medications is prescribed with regard to the animal’s body weight. Accordingly, the correct amount of medication to use on a particular animal can be calculated and then withdrawn from the mulfi-dose bottle, after which it may be injected into the animal, and the remaining medication is then available for subsequent use.
  • a multi-dose bottle of fluid medication is typically marketed with a rubber membrane covering at least a portion of an opening at the top of the bottle.
  • FIG. 1 shows an example of a prior art syringe 100, and illustrates how the hollow barrel 130 of syringe 100 is commonly marked with fill lines 1 10 that are provided for measuring the amount of fluid contained therein.
  • a needle is placed over (or inside) the tip 140, and fluid enters through an opening or eye of the needle and into the syringe barrel 130.
  • the syringe includes a retractable plunger, a terminal end of which is shown at 120. (As will be obvious, as fluid medication is withdrawn from the bottle Into the barrel 130, the plunger 120 movably extends outward from the proximal end of the syringe 100, although this is not illustrated in FIG. 1.)
  • a syringe as illustrated in FIG. 1 is constructed of plastic, making it relatively cheap to purchase.
  • a tab-shaped member 150 is also provided on syringe 100.
  • a person’s index finger is placed on the tab-shaped member 150 at one side of barrel 130 and the person's middle finger is placed on the tab-shaped member 150 at the opposing side of barrel 130, and the person’s thumb is then used to depress the terminal end of plunger 120 into the barrel in order to expel the medication from the barrel.
  • FIG. 2 As an alternative to the syringe 100 of FIG. 1 , an example of a so-called “pistol-grip” syringe is illustrated in FIG. 2. Fluid medication is drawn into a syringe of this type by pulling plunger 220 outwardly from the barrel 230. A tab-shaped member is not provided on a syringe of this type, as compressing or squeezing the handles 210 serves to expel medication from the barrel of a syringe having a pistol-grip configuration.
  • FIG. 3 illustrates yet another prior art syringe 300, and is referred to herein as a“tab-handled” syringe.
  • the syringe has a tabbed member 350 near the proximal end of barrel 330, and includes a handle-style tabbed member 320 affixed to the terminal end of the plunger.
  • the tabbed member 350 is used in a similar manner to tab-shaped member 150 of FIG. 1 , whereby a person places fingers on the tabbed member 350 on opposing sides of barrel 330; the person then presses down on tabbed member 320 using the person's palm to depress the terminal end of the plunger into the barrel in order to expel the medication from the barrel.
  • the tabbed members 320, 350 of FIG. 3 typically provide improved comfort for the person using the tab-handled syringe.
  • the tips 240, 340 may be generally on the order of 3/8 to 7/16 inch in diameter and generally of similar height (and similarly, tip 140), and are generally constructed of metal. An interior area of this tip is intended for securab!y attaching a needle and is generally threaded for at least a portion thereof. A height of this threaded area is generally on the order of 1/8 inch to 1/4 inch. While not illustrated in detail on tips 240, 340 of FIGs. 2 and 3, the syringe tip also typically includes a protrusion (illustrated herein in FIGs. 14 - 17; see reference number 341) that is centered within the exterior wail of the tip and that provides the opening through which a substance enters into the syringe barrel. (Notably, tips 140, 240, 340 are not designed for inserting through the rubber membrane of a medicine bottle.)
  • Syringes 200, 300 are often constructed, at least in part, of metal.
  • a metal commonly used for syringes is stainless steel; another example is aluminum
  • FIG. 4 illustrates an example of a prior art needle 400, which may be affixed to the distal end of syringes 100, 200, or 300 Needles are typically sold in standardized sizes, and thus the distal syringe ends 140, 240, 340 typically conform to the standard size of the proximal end of a needle.
  • FIGs. 4A and 4B illustrate bottom views showing examples of how a proximal end of needle 400 may be configured for securab!e attachment to the distal end of a syringe that has an internal threaded portion.
  • an approach 410 as shown in FIG.
  • a flanged area 420 extends radially outward from the proximal end of the needle (as is generally illustrated in FIG. 4).
  • Reference number 440 depicts the opening in the tip of the needle, and reference number 430 generally depicts the sidewall of needle 400.
  • a flanged area 460 extends perpendicularly outward from the proximal end of the needle, but in this configuration, is fashioned as having side edges that are not generally round.
  • Reference number 480 depicts the opening in the tip of the needle, and reference number 470 generally depicts the sidewall of needle 400.
  • a flanged area 420, 460 on the proximal end of a needle is designed to securably attach to a corresponding receiving area on the distal end of a syringe.
  • the securable attachment of a needle to a syringe tip relies on friction instead of an exterior flanged area, whereby the proximal end of needle 400 is placed over an exterior of the distal end (e.g , tip 140 of FIG. 1) of a syringe.
  • These approaches are commonly referred to as a Luer-style lock approach and a Luer-style slip approach, respectively, as is discussed in further detail below.
  • flanged area 420 is configured to extend perpendicularly outward as illustrated in FIG. 4A, it is preferably intended for use in a Luer-type slip connection rather than a Luer-type lock connection, due to the so-called“double start” or double helix configuration that is described for the internal threads of a Luer-type lock hub according to international Standard ISO 594-2: 1998(E), which is discussed in further detail below.
  • tabs may be added to the outer edge of flanged area 420, where these tabs are configured for engaging the internal threads of the
  • the sharp tip at the distal end of the needle 400 is inserted through the rubber membrane of the bottle.
  • the sharp tip of that same needle is inserted into an animal’s body, and the person holds tab-shaped member 150 while simultaneously depressing plunger 120 of syringe 100, squeezes the handies 210 of pistol-grip syringe 200, or holds tabbed member 350 while simultaneously depressing handle-style tabbed member 320 of tab-handled syringe 300.
  • the higher-viscosity medication into a syringe makes the Injection process more time-consuming and physically more difficult for the person tasked with medicating the animal.
  • the genera! configuration of a plastic syringe as illustrated in FIG. 1 does not enable a person using the syringe to have sufficient leverage when attempting to inject the medication into an animal.
  • Tab-shaped member 150 is known to collapse or break in some instances, due to the physical force that must be exerted while depressing plunger 120.
  • the plunger shaft is also known to break in some instances, for example due to misalignment as it moves within the barrel or due to age-related brittleness.
  • the needle may also be forced off the syringe when attached thereto by a friction-based Luer-type slip connection, which may in turn lead to leakage and/or waste of the medication through the now-opened end of the syringe.
  • the syringe tip of plastic syringes are known to break off while medicating an animal (for example, due to the animal moving or thrashing about), which can lead to waste of medication in the syringe.
  • the syringes 200, 300 of FIGs. 2 - 3 are better adapted for withstanding the physical force required for expelling a higher-viscosity medication from the syringe barrel and for allowing the person using the syringe to have better leverage during the injection process. (Because the leverage is improved, the time required to complete the injection may be shortened as compared to use of a plastic syringe configured as shown at 100 of FIG. 1 , which benefits the person and the animal.)
  • preferred embodiments of the present invention are directed toward improved syringeability of medications having a relatively high viscosity.
  • the disclosed syringe adapter may function suitably with lower-viscosity medications as well, and is therefore not deemed to be limited to use with particular medications.
  • a preferred embodiment of the present invention provides a new tip that operates as a syringe adapter for withdrawing medication from a bottle.
  • This tip is preferably affixed to a pistol-grip syringe of the type illustrated in FIG. 2 or a tab-handled syringe of the type illustrated in FIG. 3.
  • the pistol-grip or tab-handled syringe may be formed from plastic, metal, or other substance(s), as noted earlier. Accordingly, use of an embodiment of the present invention addresses the issue of drawing a higher-viscosity fluid from a bottle as well as the issue of providing sufficient leverage for subsequent injection.
  • the larger opening of the disclosed syringe adapter addresses syringeability issues by improving draw time of higher-viscosity medications and, when this adapter is affixed to a pistol-grip or tab-handled syringe, the medication withdrawn into the pistol-grip or tab-handled syringe can be more easily administered from the syringe barrel (noting that, in some embodiments, the syringe adapter will be replaced with a needle prior to injecting the medication).
  • FIG. 5 illustrates one embodiment of the syringe adapter disclosed herein.
  • the syringe adapter has a sidewall extending between a proximal end and a distal end, and the interior surface of the sidewall defines a chamber through which fluid medication flows.
  • the length and shape of the syringe adapter, as well as the thickness of portions of the sidewall and the width of its interior chamber, may vary from illustrations depicted herein without deviating from the scope of the present invention.
  • the shape of the syringe adapter 500 is generally conical in an upper portion and generally cylindrical in a lower portion. While not illustrated in FIG.
  • an interior of at least a portion of the lower portion is preferably tapered, with a 6 percent taper extending from the proximal end toward the distal end.
  • This tapered shape conforms the interior surface to International Standard ISO 594-2: 1998(E) and its replacement ISO 80369-7:2016, which are directed toward conical fittings for health-care applications.
  • the overall length of the syringe adapter is not shorter than 3/8 to 1/2 inch, by way of illustration but not of limitation, as this length will enable the syringe adapter to sufficiently extend info a bottle of medication to be withdrawn.
  • An upper range of the overall length conversely, may be on the order of 1 to 2 inches, by way of illustration but not of limitation.
  • a preferred diameter of the hole in the distal end of the tip of the syringe adapter is on the order of 0.10 inches, although embodiments are not limited to this diameter.
  • Thickness of the sidewall of the syringe adapter is preferably on the order of 0.050 inches, although embodiments are not limited to this thickness. Using a sidewall thickness of 0.050 inches and an opening of 0 10 inches results in a syringe adapter having an overall diameter of 0.20 inches at the end to be inserted into the bottle of medication, in this example configuration.
  • the proximal end of the disclosed syringe adapter attaches to a syringe using a Luer-type lock or a Luer-type slip.
  • Luer-type locks and Luer-type slips are known approaches for making leak-free connections on fluid fittings, and are described in the above-cited International Standards.
  • a Luer-type lock provides a threaded attachment, whereby two pieces of a configuration are held together by rotating a flanged area (such as flanged area 420 of FIG. 4A when augmented with tabs or flanged area 460 of FIG.
  • a flanged area 510 on the proximal end has an external flanged area 510 on the proximal end (shown without tabs extending from the outer edge, for drafting convenience), and a two-part connection is made by inserting this flanged end into corresponding internal threads on a distal end of a syringe (as discussed above with reference to the syringe tips illustrated at 240, 340)
  • a conventional height for this internal threaded portion of a pistol-grip or tab-handled syringe tip is approximately 1/8 Inch to 1/4 Inch In length, and accordingly, a flanged area 510 on the proximal end of syringe adapter 500 is preferably on the order of at least 1/16 to 1/8 inch in height.
  • flanged area 510 may correspond generally to flanged area 420 or 460 (for example, by extending perpendicularly and radially from the proximal end of the syringe adapter, although a strictly circular shape is not required), although another shape providing for a securab!e attachment may be used without deviating from the scope of the present invention.
  • the proximal end of the syringe adapter 500 may omit the flanged area shown at 510 and is attached and held to the distal end of the syringe by friction in a Luer-type slip approach.
  • FIG. 6 illustrates another embodiment of the syringe adapter disclosed herein.
  • syringe adapter 600 includes a radial extension feature 610, which is preferably configured as extending perpendicularly and radially outward from the body of the syringe adapter and Is shown in FIG. 6 as being located relatively near to the proximal end of syringe adapter 600.
  • radial extension feature 610 may be placed at another location on the syringe adapter, for example being located closer to the conical portion thereof.
  • the radial extension feature 610 also serves to prevent inserting the syringe into the medication bottle far enough that the attachment point (e.g., Luer-type slip or lock) between the syringe and the syringe adapter would come Into contact with the medication.
  • a diameter of radial extension feature 610 is sufficiently iarge as to exceed the diameter of a conventional rubber membrane on a medicine bottle.
  • the diameter of radial extension feature 610 may be, by way of example, on the order of twice the diameter of the cylindrical portion of syringe adapter 600. (Syringe adapter 600 may omit the flanged area 620 when relying on a Luer-type slip attachment, and is depicted without tabs extending from the outer edge for drafting convenience, as was discussed above with reference to flanged area 510.)
  • An extension feature might alternatively be used that is not round, although this has not been illustrated in FIG. 6.
  • a hexagonal shape might be used for an extension feature, and thus references herein to a“radial'’ extension feature are by way of illustration but not of limitation and are not to be construed as requiring the extension feature to have a round outer edge.
  • a preferred material for the disclosed syringe adapter is plastic, which will allow it to be economically produced as a disposable item, although another material may be used without deviating from the scope of the present invention.
  • the syringe adapter or portion(s) thereof may be constructed from stainless steel, aluminum, or another metal (or combinations thereof), noting that metal generally provides Increased strength and durability as compared to plastic.
  • the disclosed syringe adapter does not need to come into physical contact with a particular animal (i.e., because the physical contact occurs at the needle used to inject the medication), and thus re-use of the syringe adapter for medicating multiple animals need not introduce cross-contamination concerns.
  • FIGs. 5 and 6 illustrate a syringe adapter shape that is generally conical in an upper portion and generally cylindrical in a lower portion, this is by way of illustration and not of limitation.
  • an outer shape of the syringe adapter may be generally cylindrical while preferably having a tapered interior shape for at least a portion of the proximal end, noting that such interior taper enables the syringe adapter to comply with the above-cited International Standards
  • FIG. 7 where dotted lines are used to illustrate a general shape of the interior.
  • an outer shape of the syringe adapter may be generally conical in an upper portion and generally cylindrical in a lower portion, and in this alternative, the relative length of the upper and lower portions varies from the embodiments illustrated in FIGs 5 and 6 (and again, at least a portion of such configuration preferably has a tapered interior shape at the proximal end, as shown by the dotted lines, to thereby conform to the above-cited International Standards).
  • the exterior taper of the upper portion as illustrated in FIGs. 5 - 6 and 8 may tend to provide a better seal, and thus be less likely to leak, during such time as the syringe adapter is inserted through the rubber membrane of a bottle.
  • a radial extension member such as that shown at reference number 610 of FIG. 6 may be added to these configurations if desired.
  • FIG. 9 illustrates yet another embodiment of the disclosed syringe adapter in this embodiment, syringe adapter 900 includes a radial extension feature 910, similar to the previously-discussed radial extension feature 610 of FIG. 6.
  • FIG. 9 depicts radial extension feature 910 as being located approximately midway along the length of the syringe adapter, by way of illustration but not of limitation.
  • the radial extension feature illustrated at 610 of FIG. 6 is illustrated as having a disk-like shape with generally fiat upper and lower surfaces
  • FIG. 9 illustrates an alternative shape where an upper surface of the radial extension feature 910 has a somewhat domed or tapered shape.
  • This tapered or domed portion is shown at reference number 920 and sits atop a disk-like portion 930.
  • the lower surface of the radial extension feature may taper in addition to, or instead of, the upper surface thereof, although this has not been illustrated. (Note that the particular shape and dimensions of portions 920, 930 may vary, and thus FIG. 9 provides one example by way of illustration but not of limitation.)
  • FIG. 9 also illustrates the upper portion 940 of the syringe adapter 900 as having a generally conical shape which is somewhat less tapered than the upper portion as illustrated for the syringe adapters 500, 600 of FIGs. 5 and 6, and having a generally cylindrical shape for the lower portion 950.
  • a length of the conical portion 940 may be .32 inches; a length of the cylindrical portion 950 may be .48 inches; a height or thickness of portion 930 may be .07 inches; a diameter of radial extension feature 910 may be .75 inches; a diameter of the distal and proximal ends of conicai portion 940 may be .156 inches and .174 inches, respectively; and a diameter of cylindrical portion 950 may be .24 inches.
  • FIG. 10 illustrates placement of a syringe adapter on a syringe.
  • the syringe in FIG. 10 corresponds to the tab-handled syringe 300 of FIG. 3 and the syringe adapter corresponds to the embodiment shown at 900 of FIG. 9.
  • Syringe tip 340’ provides a point of attachment for the syringe adapter 900, and syringe tip 340’ is shown as being generally cylindrical; as contrasted with syringe tip 340 as earlier illustrated, syringe tip 340’ is shown with a ribbed exterior mid-section 345 that may provide for a person to securely grip the syringe tip 340’ while the syringe adapter 900 is being inserted therein (or removed therefrom).
  • the connection between syringe tip 340' and syringe adapter 900 is preferably a Luer-type lock, but a Luer-type slip may be used alternatively without deviating from the scope of the present invention (it will be understood that in FIG. 10, a portion of the proximal end of syringe adapter 900 is located inside the distal end of tip 340’, following the connection.)
  • FIG. 11 illustrates one example of placement of a needle on a syringe adapter, for an embodiment in which the syringe adapter remains in place while medication is administered through an attached needle.
  • the syringe adapter in FIG. 1 1 corresponds to the embodiment shown at 900 of FIG. 9
  • the attachment between the syringe and syringe adapter 900 corresponds to the attachment illustrated in FIG. 10
  • the needle corresponds to the needle 400 of FIG. 4.
  • FIG. 1 1 corresponds to the embodiment shown at 900 of FIG. 9
  • the attachment between the syringe and syringe adapter 900 corresponds to the attachment illustrated in FIG. 10
  • the needle corresponds to the needle 400 of FIG. 4.
  • needle 400 is shown as having its proximal end placed over the distal end of the syringe adapter in this example, needle 400 includes a small flanged area 420 that enables it to securabiy attach to the interior of a Luer-type lock, although the illustrated attachment in FIG. 11 is a Luer-type slip connection. Accordingly, the needle 400 may be attached to, and removed from, the syringe adapter with relative ease (e.g., by pushing the proximal end of the needle onto the distal end of the syringe adapter and pulling it therefrom, respectively).
  • FIG. 12 illustrates still another embodiment of the disclosed syringe adapter, and its placement on a syringe in this embodiment, syringe adapter 1200 includes a radial extension feature 1210 with a tapered or domed upper surface, similar to the previously-discussed radial extension feature 910 of FIG 9.
  • the conical portion of the syringe adapter 1200 is somewhat longer (and it should be noted that embodiments of the present invention are not limited to a specific dimension, as has been discussed).
  • FIG. 12 also illustrates a Luer-type connecting member 1220 affixed to the proximal end of syringe adapter 1200 (where 2 horizontally-oriented“ribs” are illustrated on the surface of member 1220, by way of illustration but not of limitation).
  • This connecting member 1220 is shown in FIG. 12 as connecting syringe adapter 1200 to a syringe, which may be syringe 300 of FIG. 3 (by way of illustration but not of limitation).
  • the point of connection on syringe 300 is shown in FIG. 12 as comprising a syringe tip 340’, similar to that which was discussed above with reference to FIG.
  • connecting member 1220 of syringe adapter 1200 is removably inserted into which connecting member 1220 of syringe adapter 1200 is removably inserted.
  • connecting member 1220 is made from metal while remaining portions of syringe adapter 1200 are made from plastic, and a bond is made between the metal and plastic during manufacturing.
  • connecting member 1220 attaches to syringe tip 340’ with a Luer-type lock connection (rather than a Luer-type slip connection).
  • connecting member 1220 preferably includes a flanged area at its proximal end (such as flanged area 460 of FIG.
  • Luer-type lock connection is made by inserting connecting member 1220 into syringe tip 340’ and then twisting the syringe adapter 1200 until the flanged area locks into place in the interna! threaded portion of the syringe tip 340’.
  • This type of connection is deemed beneficial for providing a more secure attachment between the syringe and the syringe adapter.
  • FIG. 13 illustrates yet another embodiment of the disclosed syringe adapter and its placement on a syringe.
  • syringe adapter 1300 differs from syringe adapter 1200 of FIG. 12 in that a Luer-type connecting member 1320 affixed to the proximal end of syringe adapter 1300 uses a different Luer-type connecting member 1320 affixed to the proximal end of syringe adapter 1300 uses a different
  • connecting member 1320 has a multi-sided exterior shape, shown by way of illustration as being hexagonal in at least a portion thereof. More particularly, in the example shown in FIG. 13, connecting member 1320 has a hexagonal upper portion 1322 and a cylindrical lower portion 1321.
  • connecting member 1320 is made from metal while remaining portions of syringe adapter 1300 are made from plastic, and a bond is made between the metal and plastic during manufacturing.
  • connecting member 1320 attaches to syringe tip 340’ with a Luer-type lock connection (rather than a Luer-type slip connection). While not shown in FIG.
  • connecting member 1320 preferably includes a flanged area at its proximal end (such as flanged area 460 of FIG. 4B), and the Luer-type lock connection is made by inserting connecting member 1320 into syringe tip 340’ and then twisting the syringe adapter 1300 until the flanged area locks into place in the internal threaded portion of the syringe tip 340’.
  • the Luer-type lock connection is deemed beneficial for providing a more secure attachment between the syringe and the syringe adapter.
  • FIG. 14 illustrates a further embodiment of the disclosed syringe adapter, showing an exterior view as well as cross-sectional views of placement thereof upon a syringe and as exploded.
  • the syringe in FIG. 14 corresponds to the tab-handled syringe 300 of FIG. 3 with its syringe tip 340.
  • Syringe adapter 1400 in this embodiment, includes a radial extension member 1410 and the proximal end as denoted by reference number 1420 includes a Luer-type connecting member, where connecting member 1420 in turn includes a flanged area 1421 at its proximal end (such as flanged area 460 of FIG.
  • syringe adapter 1400 for removably attaching syringe adapter 1400 to the distal end of syringe 300.
  • the Luer-type lock connection is made by inserting connecting member 1420 into syringe tip 340 and then twisting the syringe adapter 1400 until the flanged area 1421 locks into place in the internal threaded portion of the syringe tip 340 (as illustrated in the non-expioded cross-sectional view) to thereby provide a secure attachment between the syringe and the syringe adapter.
  • FIG. 15 illustrates a still further embodiment of the disclosed syringe adapter, showing exterior views as well as cross-sectional views of placement thereof upon a syringe and as exploded.
  • the embodiment Illustrated in FIG. 15 includes a needle holder to which a needle may be removably affixed.
  • a needle 400’ (illustrated as having an outer shape somewhat different from needle 400, by way of illustration but not of limitation) is removably affixed to a needle holder 1510 that, in turn, is removably affixed to a syringe adapter 1500 that is removably affixed to a syringe 300 for the injection of medication into a recipient.
  • the needle 400' When the injection is completed, the needle 400' preferably remains affixed to the needle holder 1510, enabling needle 400’ and needle holder 1510 to be removed from syringe adapter 1500 as a single unit (for example, in preparation for withdrawing additional fluid medication from a container).
  • This enables the combination of needle holder and needle to be quickly and easily re-installed on the syringe adapter, after the syringe adapter is used for withdrawing a next dosage of medication, for administering that next dosage (it should be noted that the cross-sectional views in FIG. 15 illustrate a preferred interior and exterior shape of components 1500, 1510, but embodiments are not limited to the specific shapes and/or relative dimensions as shown except as otherwise noted herein.)
  • syringe adapter 1500 is configured with a support hub member 1501 that radially surrounds at least a portion of the length of the syringe adapter sidewall 1502.
  • the connection of syringe adapter 1500 to syringe tip 340 is made as a Luer-type lock by inserting a flanged proximal end 1504 of syringe adapter sidewall 1502 into an internal threaded portion of syringe tip 340 and then twisting the syringe adapter 1500 until the flanged area locks into place in the internal threaded portion of the syringe tip 340.
  • a proximal end of support hub member 1501 is preferably sized so as to slip over the exterior of syringe tip 340, while the proximal end of syringe adapter sidewall 1502 is sized so as to fit within the threaded interior of syringe tip 340 and to receive protrusion 341 of the syringe tip 340 within the chamber defined by the interior surface of sidewall 1502. This is illustrated in the non-exploded cross-sectional view.
  • the distal end of sidewall 1502 is approximately .10 inches in inside diameter, and this distal end of sidewall 1502 extends beyond the distal end of support hub member 1501 to allow the distal end of sidewall 1502 to penetrate the rubber membrane on the medication bottle in an embodiment, an outer wall of support hub member 1501 is shaped as a cylinder. In another embodiment, by way of illustration but not of limitation, the outer wall may be configured to have a multi-sided exterior shape (such as, for example, a hexagonal shape)
  • a distal end of support hub member 1501 is preferably configured with an internal threaded portion to facilitate removably attaching needle holder 1510.
  • the threads are illustrated in FIG. 15 generally by small extensions 1503 on the interior wall of support hub member 1501 , and this internal threaded portion receives a flanged area 1511 (similar to the above-described flanged area 460 of FIG. 4B) that is located at the proximal end of needle holder 1510.
  • the threads illustrated by extensions 1503 correspond to a double-helix configuration as described in the above-cited international Standards. Needle holder 1510 thereby makes a Luer-type lock connection with syringe adapter 1500.
  • support hub member 1501 also provides additional support for needle holder 1510 See the non-expioded cross-sectional view.
  • Needle holder 1510 preferably includes a radial extension feature 1512, which may be located (by way of example) near the proximal end of the needle holder. Radial extension feature 1512 may enable a person to more easily grasp the needle holder 1510. in a configuration as illustrated in FIG. 15, radial extension feature 1512 also serves to provide additional strength for the needle holder 1510, and thus may reduce the likelihood of a physical failure during use.
  • Needle holder 1510 is configured for removably attaching a needle 400’, and is illustrated in FIG. 15 as using a Luer-type slip connection that makes the attachment by placing the proximal end of needle 400’ over the distal end of needle holder 1510. Needle holder 1510 may alternatively be configured to support a Luer-type lock connection with needle 400’ without deviating from the scope of the present invention, although this is not illustrated in FIG. 15. Such alternative configuration for a needle holder may be used with syringe adapter 1500, in place of needle holder 1510, within the scope of the present invention. (FIGs.
  • syringe adapter 1500 and needle bolder 1510 are constructed from a plastic or a composite.
  • Syringe adapter 1500 and/or needle holder 1510 may alternatively be constructed from another material, such as stainless steel, aluminum, or another metal (or a combination thereof), without deviating from the scope of the present invention.
  • Syringe adapter 1500 may optionally be configured as a permanent attachment to (or replacement for) syringe tip 340, rather than being removably affixed thereto.
  • a distal end of the sidewall 1502 of syringe adapter 1500 may be relatively sharp, for ease of inserting this distal end into a bottle of medication (for example).
  • the opening at the distal end of needle holder 1510 is approximately 08 inches in inside diameter, and the outside diameter conforms to suggested dimensions for a Luer-type tip in the above-cited international Standards.
  • an outer wail of needle holder 1510 has a conical shape at the distal end and a similar shape at the proximal end, where both the proximal end and the distal end are generally conical in shape.
  • a length of an inner chamber 1513 of needle holder 1510 extends from the attachment point in support hub member 1501 to cover the distal end of syringe adapter 1500 (as illustrated in the non-expioded cross-sectional view in FIG. 15).
  • needle holder 1510 and needle 400' may be removed as a unit from the syringe adapter 1500, this is by way of example; alternatively the needle may be removed from the needle holder and the needle holder may then be removed from the syringe adapter, without deviating from the scope of the present invention.
  • FIG. 16 illustrates yet another embodiment of the disclosed syringe adapter, showing exterior views as well as cross-sectional views of placement thereof upon a syringe and as exploded.
  • the embodiment illustrated in FIG. 16 includes a needle holder to which a needle may be removably affixed.
  • a needle 400 is removably affixed to a needle holder 1610 that, in turn, is removably affixed to a syringe adapter 1600 that is removably affixed to a syringe 300 for the injection of medication into a recipient.
  • the needle 400 When the injection is completed, the needle 400 preferably remains affixed to the needle holder 1610, enabling needle 400 and needle holder 1610 to be removed from syringe adapter 1600 as a single unit (for example, in preparation for withdrawing additional fluid medication from a container).
  • This enables the combination of needle holder and needle to be quickly and easily re-installed on the syringe adapter, after the syringe adapter is used for withdrawing a next dosage of medication, for administering that next dosage (it should be noted that the cross-sectional views in FIG.
  • syringe adapter 1600 is configured with a support hub member 1601 that radially surrounds at least a portion of the length of the syringe adapter sidewall 1602.
  • the exterior of the outer wall of support hub member 1601 has a hexagonal shape. This hexagonal shape may enable a person to have a better grasp when connecting or disconnecting the syringe adapter 1600 to syringe 300 and/or needle holder 1610.
  • FIG. 16 illustrates the exterior of support hub member 1601 as being hexagonal in shape, this is by way of illustration but not of limitation, and the exterior may be configured to have a different shape without deviating from the scope of the present invention.
  • a Luer-type lock connection between syringe adapter 1600 and syringe tip 340 is preferably made in the manner discussed above with reference to FIG. 15, and accordingly, details of the connection are not repeated here. A result of the connection is illustrated in the non-exploded cross-sectional view in FIG. 16.
  • the distal end of sidewall 1602 is approximately .10 inches in inside diameter, and this distal end of sidewall 1602 extends beyond the distal end of support hub member 1601 to allow the distal end of sidewall 1602 to penetrate the rubber membrane on the medication bottle.
  • a distal end of support hub member 1601 is preferably configured with an internal threaded portion, similar to the threaded portion discussed above with reference to support hub member 1501 of FIG. 15, and a Luer-type lock connection between syringe adapter 1600 and needle holder 1610 is preferably made using the threads (illustrated in FIG. 16 generally by small extensions 1603) and the flanged area 1611 of needle holder 1600 in the manner discussed above with reference to FIG. 15. See the non-expioded cross-sectional view in FIG. 16.
  • Needle holder 1610 is configured for removably attaching a needle 400.
  • Needle holder 1610 includes an internal threaded portion (see reference number 1612) on its distal end, where these threads are configured to provide a Luer-type lock connection with the flange 460 at the proximal end of needle 400, thus providing a relatively secure connection with the needle.
  • the connection between needle holder 1610 and needle 400 is preferably made by inserting the flanged proximal end 460 into internal threaded portion 1612 and then twisting the needle until the flanged area locks into place in the internal threaded portion of the needle holder.
  • an exterior wail of needle holder 1610 is preferably hexagonal in shape in a lower portion and cylindrical in shape in an upper portion, as shown in the isometric view, with exception of the proximal end where flange 161 1 is located (and the protrusion at the distal end).
  • the proximal end immediately above the flange 1611 has a conical shape, by way of illustration but not of limitation; as one alternative, the shape may be cylindrical and still engage the threads on 1600 properly. Needle holder 1610 may serve to provide additional strength for the assembly, and thus may reduce the likelihood of a physical failure during use.
  • syringe adapter 1600 and needle holder 1610 are constructed from a plastic or a composite.
  • Syringe adapter 1600 and/or needle holder 1610 may alternatively be constructed from another material, such as stainless steel, aluminum, or another metal (or a combination thereof), without deviating from the scope of the present invention.
  • Syringe adapter 1600 may optionally be configured as a permanent attachment to (or replacement for) syringe tip 340, rather than being removably affixed thereto.
  • the distal end of the sidewall 1602 of syringe adapter 1600 may be relatively sharp, for ease of inserting this distal end into a bottle of medication (for example).
  • a length of an inner chamber 1613 of needle holder 1610 extends from the attachment point in support hub member 1601 to cover the distal end of syringe adapter 1600 (as illustrated in the non-exploded cross-sectional view in FIG. 16).
  • the needle holder 1610 and needle 400 may be removed as a unit from the syringe adapter 1600, this is by way of example; alternatively the needle may be removed from the needle holder and the needle holder may then be removed from the syringe adapter, without deviating from the scope of the present invention.
  • FIG. 17 illustrates still another embodiment of the disclosed syringe adapter, showing exterior views as well as cross-sectional views of placement thereof upon a syringe and as exploded.
  • the embodiment illustrated in FIG. 17 includes a needle holder to which a needle may be removably affixed in this embodiment, a needle 400 is removably affixed to a needle holder 1710 that, in turn, is removably affixed to a syringe adapter 1700 that is removably affixed to a syringe 300 for the injection of medication info a recipient.
  • the needle 400 When the injection is completed, the needle 400 preferably remains affixed to the needle holder 1710, enabling needle 400 and needle holder 1710 to be removed from syringe adapter 1700 as a single unit (for example, in preparation for withdrawing additional fluid medication from a container).
  • This enables the combination of needle holder and needle to be quickly and easily re-installed on the syringe adapter, after the syringe adapter is used for withdrawing a next dosage of medication, for administering that next dosage (if should be noted that the cross-sectional views in FIG.
  • syringe adapter 1700 is configured with a support hub member 1701 that radially surrounds at least a portion of the length of the syringe adapter sidewall 1702.
  • the exterior of the outer wall of support hub member 1701 has a hexagonal shape.
  • This hexagonal shape may enable a person to have a better grasp when connecting or disconnecting the syringe adapter 1700 to syringe 300 and/or needle holder 1710 (Note that while FIG 17 illustrates the exterior of support hub member 1701 as being hexagonal in shape, this is by way of illustration but not of limitation, and the exterior may be configured to have a different shape without deviating from the scope of the present invention.)
  • a tip at the distal end of sidewall 1702 is shown in FIG 17 as having a relatively sharp point.
  • the sharp point, or tip is designed to assist in inserting the syringe adapter 1700 into the rubber membrane on a medicine bottle.
  • the particular taper illustrated in FIG. 17 for this sharp point may be adjusted, thereby altering the degree of sharpness, without deviating from the scope of the present invention.
  • a Luer-type lock connection between syringe adapter 1700 and syringe tip 340 is preferably made in the manner discussed above with reference to FIG. 15, and accordingly, details of the connection are not repeated here. A result of the connection is illustrated in the non-exploded cross-sectional view in FIG. 17.
  • the distal end of sidewall 1702 is approximately .10 inches in inside diameter. In the illustration as shown, the distal end of sidewall 1702 extends beyond the distal end of support hub member 1701 to allow the distal end of sidewall 1702 to penetrate the rubber membrane on the medication bottle.
  • a distal end of support hub member 1701 is preferably configured with an internal threaded portion, similar to the threaded portion discussed above with reference to support hub member 1501 of FIG. 15, and a Luer-type lock connection between syringe adapter 1700 and needle holder 1710 is preferably made using the threads (illustrated in FIG. 17 generally by small extensions 1703) and the flanged area 1711 of needle holder 1700 in the manner discussed above with reference to FIG. 15. See the non-exploded cross-sectional view in FIG. 17.
  • Needle holder 1710 is configured for removably attaching a needle 400.
  • Needle holder 1710 includes an internal threaded portion (see reference number 1712) on its distal end, where these threads are configured to provide a Luer-type lock connection with the flange 460 at the proximal end of needie 400, thus providing a relatively secure connection with the needie.
  • the connection between needle holder 1710 and needle 400 is preferably made by inserting the flanged proximal end 460 into internal threaded portion 1712 and then twisting the needie until the flanged area locks into place in the internal threaded portion of the needie holder.
  • an exterior wail of needle holder 1710 is preferably hexagonal in shape in a lower portion and cylindrical in shape in an upper portion, as shown in the isometric view, with exception of the proximal end where flange 171 1 is located (and the protrusion at the distal end).
  • the proximal end immediately above the flange 1711 has a conical shape, by way of illustration but not of limitation; as one alternative, the shape may be cylindrical and still engage the threads on 1700 properly. Needle holder 1710 may serve to provide additional strength for the assembly, and thus may reduce the likelihood of a physical failure during use.
  • the inner chamber 1713 of needle holder 1710 is approximately twice as long as chamber 1613. This added length serves to accept the full length of the elongated tip 1702 of syringe adapter 1700, as can be seen in the non-exploded cross-sectional view in FIG. 17, and thus the length of inner chamber 1713 extends from the attachment point in support hub member 1701 to cover the distal end of syringe adapter 1700.
  • syringe adapter 1700 and needle holder 1710 are constructed from a plastic or a composite.
  • Syringe adapter 1700 and/or needle holder 1710 may alternatively be constructed from another material, such as stainless steel, aluminum, or another metal (or a combination thereof), without deviating from the scope of the present invention.
  • Syringe adapter 1700 may optionally be configured as a permanent attachment to (or replacement for) syringe tip 340, rather than being removably affixed thereto. (See the discussion of FIGs. 18 - 21 , below, which depict embodiments that replace a conventional syringe tip.) [0094] Note that while the needle holder 1710 and needle 400 may be removed as a unit from the syringe adapter 1700, this is by way of example; alternatively the needle may be removed from the needle holder and the needle holder may then be removed from the syringe adapter, without deviating from the scope of the present invention.
  • FIGs. 18 and 19 illustrate additional embodiments of the disclosed syringe adapter, showing exterior views as well as cross-sectional views of placement thereof upon a syringe and as exploded.
  • FIGs. 18 and 19 are similar, and thus will be described together.
  • the embodiments illustrated in FIGs. 18 and 19 include a needle holder to which a needle may be removably affixed.
  • a needle 400 is removably affixed to a needle holder 1810 or 1910 that, in turn, is removably affixed to a syringe adapter 1800 or 1900 that is removably affixed to a syringe 300 for the injection of medication into a recipient.
  • the needle 400 When the injection is completed, the needle 400 preferably remains affixed to the needle holder 1810 or 1910, enabling needle 400 and needle holder 1810 or 1910 to be removed from syringe adapter 1800 or 1900 as a single unit (for example, in preparation for withdrawing additional fluid medication from a container).
  • This enables the combination of needle holder and needle to be quickly and easily re-installed on the syringe adapter, after the syringe adapter is used for withdrawing a next dosage of medication, for administering that next dosage (it should be noted that the cross-sectional views in FIGs. 18 and 19 illustrate a preferred interior and exterior shape of components 1800, 1810, 1900, 1910, but embodiments are not limited to the specific shapes and/or relative dimensions as shown except as otherwise noted herein.)
  • syringe adapters 1800, 1900 are preferably configured with a support hub member 1801 , 1901 that is a solid piece surrounding an inner chamber, in contrast to the approach of the support hub members shown in FIGs. 15 - 17, with an extension from the proximal end and an extension from the distal end of this support hub member.
  • the exterior of the support hub members 1801 , 1901 have a generally hexagonal shape, although another shape (such as cylindrical) may be used without deviating from the scope of the present invention.
  • F!Gs F!Gs.
  • the sharp point is designed to assist in inserting the syringe adapter 1800, 1900 into the rubber membrane on a medicine bottle, and the particular taper may be adjusted from the angle shown in the figures, thereby altering the degree of sharpness, without deviating from the scope of the present invention.
  • FIGs. 18 and 19 also depict a change to how the syringe adapter 1800, 1900 attaches to a syringe. Rather than forming a Luer-type lock connection between syringe adapter 1800, 1900 and a syringe tip such as tip 340, the approach shown in FIGs.
  • connection between the syringe adapter 1800, 1900 and a syringe is made by inserting an extension 1804, 1904 at the proximal end of the syringe adapter into a cavity 342 where the syringe tip would have been located.
  • conventional syringe tips are made to be removable in some syringes, allowing for cleaning (for example). Accordingly, threads into which such removable syringe tips are connected may be leveraged for connecting the extensions 1804, 1904.
  • the syringe adapters 1800, 1900 may therefore serve as a permanent attachment to a syringe, or as a replacement for a syringe tip.
  • the syringe adapters 1800, 1900 may alternatively be viewed and/or configured as a semi-permanent attachment or replacement, in that it can be removed if desired.
  • syringe adapters 1800, 1900 include a rubber gasket (or similar fitting) on an underside of the support hub member 1801 , 1901 , as shown by reference numbers 1806, 1906. A result of the connection is illustrated in the non-exploded cross-sectional views in FIGs. 18 and 19.
  • Syringe adapters 1800, 1900 differ in the width of extensions 1804, 1904. A corresponding width is used for cavity 342.
  • FIGs. 18 and 19 both illustrate the exterior of support hub members 1801 , 1901 as being generally hexagonal in shape, although this is by way of illustration but not of limitation and the exterior may be configured to have a different shape without deviating from the scope of the present invention
  • a distal end of support hub members 1801 , 1901 is preferably configured with an internal threaded portion, similar to the threaded portion discussed above with reference to support hub member 1501 of FIG. 15, and a Luer-type lock connection between syringe adapter 1800, 1900 and needle holder 1810, 1910 is made using the threads (illustrated in FIGs. 18 and 19 generally by small extensions 1803, 1903) and flanged area 181 1 , 191 1 of needle holder 1800, 1900 in the manner discussed above with reference to FIG. 15. See the non-exploded cross-sectional views in FIGs. 18 and 19.
  • Needle holders 1810, 1910 are configured for removably attaching a needle 400 using a Luer-type lock connection between an internal threaded portion 1812, 1912 on the distal end of the needle holder and a flanged area 460 of needle 400 in the manner discussed above with reference to FIGs. 16 and 17, and accordingly, details of the connection are not repeated here. A result of the connection is illustrated in the non-exploded cross-sectional views in FIGs. 18 and 19.
  • an exterior wall of needle holders 1810, 1910 is preferably hexagonal in shape in a lower portion and cylindrical in shape in an upper portion, as shown in the isometric view, with exception of the proximal end where flange 181 1 , 191 1 is located (and the protrusion at the distal end).
  • the proximal end immediately above the flange 1811 , 1911 has a conical shape, by way of illustration but not of limitation; as one alternative, the shape may be cylindrical and still engage the threads on 1800, 1900 properly. Needle holder 1810, 1910 may serve to provide additional strength for the assembly, and thus may reduce the likelihood of a physical failure during use.
  • the length of inner chambers 1813, 1913 of needle holders 1810, 1910 preferably extends from the attachment point in support hub member 1801 , 1901 to cover the distal end of syringe adapter 1800, 1900, thus accepting the full length of the elongated tips 1802, 1902 of syringe adapters 1800, 1900, as can be seen in the non-expioded cross-sectional views in FIGs 18 and 19.
  • syringe adapters 1800, 1900 and needle holders 1810, 1910 are constructed from a plastic or a composite.
  • Syringe adapters 1800, 1900 and/or needle holders 1810, 1910 may alternatively be constructed from another material, such as stainless steel, aluminum, or another metal (or a combination thereof), without deviating from the scope of the present invention.
  • needle holders 1810, 1910 and needle 400 may be removed as a unit from the syringe adapters 1800, 1900, this is by way of example; alternatively the needle may be removed from the needle holder and the needle holder may then be removed from the syringe adapter, without deviating from the scope of the present invention.
  • the syringe adapter while medicating an animal operates, in some embodiments, as follows: the syringe adapter is affixed to a syringe (which, as noted earlier, is preferably a pistol-grip or tab-handled syringe); the syringe adapter is inserted into a bottle of medication; the plunger of the syringe is pulled back to withdraw the desired dosage of medication from the bottle into the syringe barrel; the syringe adapter is removed from the bottle, while the plunger remains stationary; the syringe adapter is replaced with a needle; and the medication (or some portion thereof) is then injected by pushing the plunger forward (for example, by squeezing the pistol-grip handies or pressing down on the tabbed handle) to expel medication from the syringe barrel.
  • a syringe which, as noted earlier, is preferably a pistol-grip or tab-handled syringe
  • the needle is removed from the syringe, after which the above process is repeated.
  • the disclosed syringe adapter is not limited to use with medication intended for any particular type of animal life, and therefore the medication may be injected more generally into a“target” or a“recipient”.
  • the syringe adapter operates, in some other embodiments, as follows: the syringe adapter is affixed to a syringe (preferably a pistol-grip or tab-handled syringe); the syringe adapter is inserted into a bottle of medication; the plunger of the syringe is pulled back to withdraw the desired dosage of medication from the bottle into the syringe barrel; the syringe adapter (which remains attached to the syringe) is removed from the bottle, while the plunger remains stationary; a needle is affixed to the syringe adapter (and note that the syringe adapter remains affixed to the syringe); and the medication (or some portion thereof) is then injected by pushing the plunger forward (for example, by squeezing the pistol-grip handies or pressing down on the tabbed handle) to expel medication from the syringe barrel.
  • a syringe preferably
  • the needle is removed from the syringe adapter, after which the above process of withdrawing medication using the syringe adapter, affixing a needle thereto, and then injecting the medication (or some portion thereof) is repeated.
  • the syringe adapter is affixed to a syringe (preferably a pistol-grip or tab-handled syringe), and this attachment may be temporary (i.e , removable), permanent, or semi-permanent (that is, intended as a permanent replacement for a conventional syringe tip, although being configured to be removable, such as for cleaning);
  • the syringe adapter is inserted into a bottle of medication; the plunger of the syringe is pulled back to withdraw the desired dosage of medication from the bottle into the syringe barrel; the syringe adapter (which remains attached to the syringe) is removed from the bottle, while the plunger remains stationary;
  • a needle holder to which a needle is affixed (either before or after connecting the needle holder and the syringe adapter), is affixed to the syringe adapter (and note that the syringe adapter remains affixed to the sy
  • the needle holder and its affixed needle are removed from the syringe adapter (preferably as a single unit), after which the above process of withdrawing medication using the syringe adapter, affixing a needle holder with needle to the syringe adapter, and then injecting the medication (or some portion thereof) is repeated
  • While medications have been discussed herein as commonly being sold in a multi-dose bottle, this is by way of illustration and not of limitation.
  • the disclosed syringe adapter may be used beneficially for medication that is sold in a single-use dosage. Also, it should be noted that while some discussions herein refer to expelling “the withdrawn medication” or“emptying” the syringe, this is by way of illustration and not of limitation: the scope of the present invention does not require withdrawn medication to be expelled in full nor does it require a syringe to be fully emptied.
  • the disclosed syringe adapter may be included with purchase (e.g., within the packaging) of a higher-viscosity medication.
  • a multi-pack of the disclosed syringe adapter may be included with such purchase, particularly when the medication is sold in a multi-dose bottle.
  • the disclosed syringe adapter may also be sold separately from medication.
  • Examples of higher-viscosity animal medications with which the disclosed syringe adapter may be used beneficially include Nuflor ® , Nuflor Gold ® , and Resfior Gold ® .
  • Nuflor”,“Nuflor Gold”, and“Resflor Gold” are registered trademarks of Intervef Inc. in the United States, other countries, or both intervet is now known as “Merck Animal Health”.
  • These medications are commonly sold in 500-milliliter multi-dose bottles and may be administered, by way of example, in dosages of 36 to 60 milliliters per animal. Accordingly, a single multi-dose bottle may be used to treat generally 8 to 14 animals at this dosage range.
  • viscosity of a substance may vary with temperature. Viscosity is commonly measured in units termed“centipoise”, which may be abbreviated as“cP” or“cps”. Water, at 70 degrees Fahrenheit, has a viscosity of approximately 1 cps, and by way of comparison, blood generally has a viscosity of about 10 cps. By convention, a temperature of 70 degrees Fahrenheit is used as a reference point for measuring cps, and thus when a temperature is not mentioned for a particular cps measurement, it should be assumed that the temperature associated with the stated measurement is 70 degrees Fahrenheit.
  • An embodiment of the present invention is believed to be advantageous for fluid medications having a viscosity of at least 50 to 100 cps at a temperature of at least 5 degrees Celsius, as well as for fluid medications having a higher cps at this temperature (noting, as stated above, that viscosity varies with temperature).
  • FIG. 22 presents tables containing measurements from tests conducted to compare use of a sample version of the disclosed syringe adapter to use of conventional needles.
  • the tested medication was Resf!or Gold ® , and a withdrawn quantity thereof was 30 cc (computed as a desired volume for treating an animal with a body weight of 500 pounds). Results of these tests will now be discussed
  • a 16-gauge needle has a larger tip opening (i.e. , a larger inside) than an 18-gauge needle, and will therefore withdraw a solution faster than the 18-gauge, although the 16-gauge needle is thought to be disfavored for at least some situations because it may allow the (relatively expensive) medication to leak out during the medicating process.
  • a 16-gauge needle is thought to be too large to use on smaller animals.
  • the diameter of the opening in the distal end of the syringe adapter was approximately 0.094 inches.
  • an embodiment of the present invention improves syringeability of higher-viscosity medications, allowing such medication to be withdrawn from a bottle in much less time as compared to the known approach of withdrawal using a needle. More animals may therefore be medicated in a given period of time, leading to improved productivity of persons caring for the animals as well as enabling overall improved health for the animals. No longer will higher viscosity be a barrier to the market, and because medication of this type will be more readily administered when using a syringe adapter as disclosed herein, improvement may be expected in animal health, and market share and/or market presence for the medication may improve as well.

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

Appareil perfectionné à utiliser avec un médicament sous forme fluide, qui est particulièrement avantageux pour des médicaments ayant une viscosité relativement élevée. L'adaptateur de seringue divulgué comporte une ouverture qui est relativement grande, par rapport à une aiguille classique et, par conséquent, la fixation à une seringue de l'adaptateur de seringue divulgué améliore l'injectabilité par seringue de médicaments à viscosité plus élevée. Lorsque l'adaptateur de seringue divulgué est fixé à une seringue à poignée-pistolet ou à languette, le médicament aspiré dans la seringue à poignée pistolet peut être administré plus facilement depuis le cylindre de seringue. Dans certains modes de réalisation, l'adaptateur de seringue sera remplacé par une aiguille avant l'injection du médicament tandis que, dans certains autres modes de réalisation, l'aiguille est fixée à l'adaptateur de seringue en place, pour l'injection. Dans encore d'autres modes de réalisation, l'aiguille est fixée à porte-aiguille qui, à son tour, est fixé à l'adaptateur de seringue en place, pour l'injection.
PCT/US2019/062926 2018-11-29 2019-11-25 Adaptateur de seringue pour médicament Ceased WO2020112593A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3121133A CA3121133A1 (fr) 2018-11-29 2019-11-25 Adaptateur de seringue pour medicament

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/203,858 US11090444B2 (en) 2018-06-15 2018-11-29 Syringe adapter for medication
US16/203,858 2018-11-29

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758234A (en) * 1986-03-20 1988-07-19 Norman Orentreich High viscosity fluid delivery system
US20020173753A1 (en) * 1999-10-15 2002-11-21 Richard Caizza Attachment for a medical device
US20060270996A1 (en) * 2001-05-24 2006-11-30 Fojtik Shawn P Hand-held, hand-operated power syringe and methods
US20070203451A1 (en) * 2006-02-24 2007-08-30 Mitsuo Murakami Minute quantity medicine administration set
US20130178806A1 (en) * 2010-03-10 2013-07-11 Becton Dickinson France Drug delivery device with safe connection means

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758234A (en) * 1986-03-20 1988-07-19 Norman Orentreich High viscosity fluid delivery system
US20020173753A1 (en) * 1999-10-15 2002-11-21 Richard Caizza Attachment for a medical device
US20060270996A1 (en) * 2001-05-24 2006-11-30 Fojtik Shawn P Hand-held, hand-operated power syringe and methods
US20070203451A1 (en) * 2006-02-24 2007-08-30 Mitsuo Murakami Minute quantity medicine administration set
US20130178806A1 (en) * 2010-03-10 2013-07-11 Becton Dickinson France Drug delivery device with safe connection means

Also Published As

Publication number Publication date
CA3121133A1 (fr) 2020-06-04

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