[go: up one dir, main page]

WO2005009517A1 - Seringue medicale pour injection - Google Patents

Seringue medicale pour injection Download PDF

Info

Publication number
WO2005009517A1
WO2005009517A1 PCT/DE2003/002140 DE0302140W WO2005009517A1 WO 2005009517 A1 WO2005009517 A1 WO 2005009517A1 DE 0302140 W DE0302140 W DE 0302140W WO 2005009517 A1 WO2005009517 A1 WO 2005009517A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
projections
cylinder
injection
hollow cylinder
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/DE2003/002140
Other languages
German (de)
English (en)
Inventor
Ingoberth SCHÖNKE
Philipp Rolle
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.)
Transcoject GmbH
Transcoject Gesellschaft fur medizinische Gerate mbH and Co KG
Original Assignee
Transcoject GmbH
Transcoject Gesellschaft fur medizinische Gerate mbH and Co KG
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
Application filed by Transcoject GmbH, Transcoject Gesellschaft fur medizinische Gerate mbH and Co KG filed Critical Transcoject GmbH
Priority to DE10394296T priority Critical patent/DE10394296D2/de
Priority to PCT/DE2003/002140 priority patent/WO2005009517A1/fr
Publication of WO2005009517A1 publication Critical patent/WO2005009517A1/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
    • A61M5/3129—Syringe barrels
    • 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
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31545—Setting modes for dosing
    • A61M5/31548—Mechanically operated dose setting member
    • A61M5/31555—Mechanically operated dose setting member by purely axial movement of dose setting member, e.g. during setting or filling of a syringe
    • 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
    • A61M5/3159—Dose expelling manners
    • A61M5/31593—Multi-dose, i.e. individually set dose repeatedly administered from the same medicament reservoir
    • A61M5/31595—Pre-defined multi-dose administration by repeated overcoming of means blocking the free advancing movement of piston rod, e.g. by tearing or de-blocking
    • 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
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31545—Setting modes for dosing
    • A61M5/31548—Mechanically operated dose setting member
    • A61M5/3156—Mechanically operated dose setting member using volume steps only adjustable in discrete intervals, i.e. individually distinct intervals
    • 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
    • A61M5/31578—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
    • A61M5/31581—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by rotationally moving or pivoting actuator operated by user, e.g. an injection lever or handle

Definitions

  • the invention relates to a medical injection syringe according to the preamble of patent claim 1.
  • DE-A-37 39 840 describes a medical syringe system which comprises the actual injection syringe and a separate device for setting the filling quantity of an injection liquid required for an injection process in the injection syringe.
  • the syringe consists of a hollow cylinder, a piston with a piston rod which is arranged displaceably therein, and a conventional injection cannula at one end of the cylinder.
  • the transparent cylinder is provided with a scale in order to be able to visually determine the injection filling quantity to be sucked into the cylinder.
  • the separate setting device is provided.
  • This is placed on the injection syringe by the patient and consists of a frame with an axially adjustable stop, which is provided on an axially adjustable threaded rod in the frame, which has an outer adjustment button.
  • Two locknuts are provided on the threaded rod so that the threaded rod and thus its stop for setting the required filling quantity in the syringe can be fixed by specialist personnel. With the help of this separate device, which is set by the specialist staff, it is possible for visually impaired, self-administering people to set the exact filling quantity in the syringe.
  • a disadvantage is the adjustment of the separate device by the specialist staff and its cumbersome Handling in connection with the injection syringe due to the fact that the device has a voluminous construction and must be attached to the syringe barrel by the patient for each filling process. Furthermore, since the device is a separate structural unit, it can be misplaced or lost. In addition, the syringe system is relatively expensive to manufacture because of the separate device.
  • DE-C-43 21 626 describes a safety injection syringe for single use.
  • this has a piston that can be detached from the piston rod, a locking disk that sits on the piston rod facing the piston, and a retaining ring, the latter being provided on the inside of the syringe barrel in the vicinity of the cylinder end that carries the cannula.
  • the piston is in its front end position, i. H. the locking disc has run over the retaining ring in the direction of piston advance.
  • the locking washer cannot move over the retaining ring in the opposite direction of piston movement due to its design, the piston rod releases from the piston when the piston rod is pulled, so that the injection syringe cannot be used again.
  • the object of the invention is to improve an injection syringe of the type mentioned in the introduction in that the syringe is structurally simpler in construction and can be manufactured inexpensively to patients who find it difficult to fill the injection syringes with conventional scales and other aids and / or it is too cumbersome to facilitate the exact filling and purchase of the injection syringe.
  • the cylinder is generally made of transparent material, in particular plastic, and therefore the position of the piston in the cylinder can still be clearly recognized by the visually impaired patient, the patient can draw the correct amount of fill into the cylinder even if the latter has several projections or Has projection groups that have an axial distance from each other along the stroke of the piston.
  • the design of the syringe barrel according to the invention is simple and inexpensive to manufacture on its inner wall side, so that such an injection syringe can be acquired inexpensively. Since the above-mentioned projections or alternatively projection groups form an integral part of the syringe barrel, there is no risk of parts that can be lost. The patient therefore always has a functional injection syringe.
  • the projections consist of an annular bead formation extending along the circumference of the inner wall side of the cylinder, wherein this annular bead formation can be carried out without interruption or with at least one interruption.
  • this is made in one piece with the material of the hollow cylinder, so that the respective annular bead formation is formed at the same time during the injection molding of the syringe barrel.
  • flanks of the protrusions facing the ends of the hollow cylinder are constructed in such a way that the movement resistance they exert on the piston is greater in the direction of the backward movement of the piston than in the direction of the forward movement of the piston. This makes it even easier for the patient to adjust the piston for the required amount of filling in the cylinder.
  • 1 is an axial section through the partially shown, for example injection syringe
  • Fig. 2 is a sectional view of the detail X in Fig. 1 in a large magnification.
  • the exemplary embodiment of an injection syringe according to the invention shown in FIG. 1 comprises a hollow cylinder 1, the distal end of which has a conventional luer connector 2 for an attachable cannula (not shown) and the proximal end of which is provided with two usual retaining tabs 3 to hold the syringe while to be able to keep them safe to use, from a piston 4 axially displaceable in the cylinder 1 and a piston rod 5 connected to the piston for the axial actuation of the piston.
  • the cylinder 1 is formed on the proximal side with an inner ring stop 6 in order to prevent the piston 4 from being inadvertently pulled out of the cylinder.
  • the end of the piston rod 5 on the proximal side protrudes from the proximal end of the hollow cylinder 1 (not shown) and is provided in the usual way with an actuating handle for the axial displacement of the piston 4.
  • the hollow cylinder 1 is provided on its inner wall side 1 a with a plurality of projections 7, which are provided for determining a filling quantity of injection liquid which the patient is injecting himself.
  • the projections 7 are arranged at a predetermined distance from one another or from the distal end face 1 b of the cylinder in order to determine a predetermined injection quantity to be used by the patient.
  • the projections 7 protrude only slightly radially into the interior of the cylinder 1, for example 0.03 to 0.05 mm, which depends on the nature of the elasticity of the material used for the piston 4, because the projections 7 are made by the piston 4 run over during its stroke movement in the cylinder 1 as a result of its actuation by the patient.
  • the material for the hollow cylinder 1 is dimensionally stable material and is usually made of transparent plastic.
  • the piston 4 travels over the projections 7 in the cylinder 1 as a result of its longitudinal movement axially in the cylinder by means of the piston rod 5. While the piston passes over the respective projection 7, the projection opposes a certain resistance to the piston which the patient has on the piston outer handle (not shown) of the piston rod 5 feels. The patient knows when he moves the plunger 4 distally, that is, forwards, and feels an increased resistance, that the plunger rests on a projection, as a result of which the quantity of injection liquid predetermined by this projection is in the syringe.
  • the patient Since the material of cylinder 1 is transparent tig and the projections 7 are at a relatively large distance from one another and from the distal end face 1 b of the cylinder, the patient knows which projection the piston 4 is located on, so that he always uses the correct filling quantity.
  • the projections 7 can be provided in various configurations.
  • the projections each consist of an annular bead formation, each annular bead formation extending along the circumference of the inner wall side 1 a of the cylinder 1.
  • the respective annular bead formation itself can be designed differently to the extent that it extends continuously or can be interrupted along the circumference of the inner wall side 1 a of the cylinder 1. In the latter case, the interruption can be carried out in such a way that several interruption points are provided in the circumferential direction of the annular bead formation, so that the annular bead formation consists of several partial circumferential sections.
  • One of further alternative training options for the projections 7 is that they consist, for example, of at least one, but preferably a plurality of protruding knobs (not shown). These knobs also protrude only slightly into the interior of the hollow cylinder 1 to allow the piston 4 to drive over them and to cause them to provide the piston with a noticeable resistance when passing over the knobs the patient feels on the piston rod 5.
  • Other training for the projections in question are also readily conceivable for the person skilled in the art. You only have to meet the requirements that they can be driven over and generate a noticeable run-over resistance.
  • a further preferred feature of the projections 7 or the annular bead design chosen here is that the projections or the annular bead formation is or is made in one piece with the material of the hollow cylinder 1. In this case, the projections / annular bead configurations can be produced simultaneously in the injection molding process of the hollow cylinder 1.
  • these projections preferably each have two lateral flanks, which in the axial direction of movement of the piston 4 to the inner wall side la of the cylinder 1 run inclined.
  • one side flank of the projection 7 faces the distal end and the proximal end of the hollow cylinder 1.
  • the lateral flanks of the projections are constructed in such a way that the movement resistance they exert on the piston 4 is greater in the direction of the backward movement of the piston, that is to say in the proximal direction, than in the direction of the forward movement of the piston, that is to say in the distal direction.
  • Such a configuration of the projections 7 can be achieved by a corresponding angular profile of the lateral flanks of the projections.
  • FIG. 2 which is shown greatly enlarged for better understanding, an example is given.
  • the projection 7 shown therein has a distal flank 8 which extends at an angle to the inner wall side 1 a. This angle is approximately 17 to 25 ° and preferably 20 °.
  • the projection 7 has a proximal flank 9 which extends at an angle ⁇ to the inner wall side 1 a of the hollow cylinder 1. This angle is approximately 7 to 15 ° and preferably 10 °.
  • the different inclination or an equivalent profile of these flanks means that the resistance to movement for the piston 4 is greater in one direction than in the opposite direction.
  • the values for the two angles mentioned can also be the same.
  • the two flanks 8 and 9 are connected to one another by a smooth transition.
  • a more or less convex apex section 10 is provided as the connecting section.
  • a straight connecting section can also be provided, which runs parallel or essentially parallel to the inner side wall 1 a of the cylinder 1.

Landscapes

  • 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

L'invention concerne une seringue médicale pour injection, comprenant un cylindre creux (1) destiné à contenir un liquide d'injection, un piston (4) ayant une tige de piston (5) servant au déplacement longitudinal du piston à l'intérieur du cylindre, ainsi que des moyens de détermination de la quantité requise de liquide d'injection pour le remplissage dans le cylindre, pour un processus d'injection. En vue de simplifier l'établissement de la quantité requise pour le remplissage, les moyens de détermination de la quantité de remplissage comprennent des saillies intérieures (7), qui sont prévues à distance axiale entre elles, le long de la course du piston (4), sur la face de la paroi intérieure (1a) du cylindre creux (1). En outre, les saillies (7) peuvent être traversées par le piston (4), lors de son déplacement dans le cylindre (1), du fait de son actionnement par le patient, et créer une résistance au piston, laquelle peut être décelée par le patient.
PCT/DE2003/002140 2003-06-26 2003-06-26 Seringue medicale pour injection Ceased WO2005009517A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE10394296T DE10394296D2 (de) 2003-06-26 2003-06-26 Medizinische Injektionsspritze
PCT/DE2003/002140 WO2005009517A1 (fr) 2003-06-26 2003-06-26 Seringue medicale pour injection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2003/002140 WO2005009517A1 (fr) 2003-06-26 2003-06-26 Seringue medicale pour injection

Publications (1)

Publication Number Publication Date
WO2005009517A1 true WO2005009517A1 (fr) 2005-02-03

Family

ID=34085385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/002140 Ceased WO2005009517A1 (fr) 2003-06-26 2003-06-26 Seringue medicale pour injection

Country Status (2)

Country Link
DE (1) DE10394296D2 (fr)
WO (1) WO2005009517A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7665986B1 (en) * 2005-11-07 2010-02-23 Sang Ho Park System and method of repairing a wax candle having a diminished wick
EP2298393A1 (fr) 2009-09-16 2011-03-23 Hamad Mohammed Alomar Seringue et procédé de distribution d'un liquide de manière contrôlable
JP2012130554A (ja) * 2010-12-22 2012-07-12 Ohkura Pharmaceutical Co Ltd 供給装置
US8326784B2 (en) 2005-11-22 2012-12-04 Multitel Asbl Device for and a method of designing a sensor arrangement for a safe automated system, an automated system, a program element and a computer-readable medium
WO2018138051A1 (fr) * 2017-01-24 2018-08-02 Krui Ab Seringue

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1557037A1 (de) * 1966-07-25 1970-03-12 Schmith Niels Bay Mischspritze zum Mischen von bestimmten Mengen von fluessigen oder festen Substanzen
US4820272A (en) * 1987-09-02 1989-04-11 Palmer Michele M Non-reusable hypodermic syringe
DE3739840A1 (de) 1987-11-24 1989-06-08 A & E Metalltechnik Gmbh Vorrichtung zum einstellen des fuellvolumens einer injektionsspritze
US5106372A (en) * 1991-05-03 1992-04-21 Sherwood Medical Company Single use syringe
DE4321626C2 (de) 1993-06-24 1996-02-22 Uniject Maroc Sicherheits-Injektionsspritze
WO2002078773A1 (fr) * 2000-11-06 2002-10-10 Xiping Wang Seringue a blocage automatique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1557037A1 (de) * 1966-07-25 1970-03-12 Schmith Niels Bay Mischspritze zum Mischen von bestimmten Mengen von fluessigen oder festen Substanzen
US4820272A (en) * 1987-09-02 1989-04-11 Palmer Michele M Non-reusable hypodermic syringe
DE3739840A1 (de) 1987-11-24 1989-06-08 A & E Metalltechnik Gmbh Vorrichtung zum einstellen des fuellvolumens einer injektionsspritze
US5106372A (en) * 1991-05-03 1992-04-21 Sherwood Medical Company Single use syringe
DE4321626C2 (de) 1993-06-24 1996-02-22 Uniject Maroc Sicherheits-Injektionsspritze
WO2002078773A1 (fr) * 2000-11-06 2002-10-10 Xiping Wang Seringue a blocage automatique

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7665986B1 (en) * 2005-11-07 2010-02-23 Sang Ho Park System and method of repairing a wax candle having a diminished wick
US8326784B2 (en) 2005-11-22 2012-12-04 Multitel Asbl Device for and a method of designing a sensor arrangement for a safe automated system, an automated system, a program element and a computer-readable medium
EP2298393A1 (fr) 2009-09-16 2011-03-23 Hamad Mohammed Alomar Seringue et procédé de distribution d'un liquide de manière contrôlable
JP2012130554A (ja) * 2010-12-22 2012-07-12 Ohkura Pharmaceutical Co Ltd 供給装置
WO2018138051A1 (fr) * 2017-01-24 2018-08-02 Krui Ab Seringue

Also Published As

Publication number Publication date
DE10394296D2 (de) 2006-11-23

Similar Documents

Publication Publication Date Title
DE69724349T2 (de) Kolben für Spritze
EP0581788B1 (fr) Dispositif d'injection
DE69526556T2 (de) Spritze
EP1926514B1 (fr) Dispositif d'injection à accouplement à glissement à deux voies
DE2909002C3 (de) Injektionsspritze für einmalige Verwendung
DE60101307T2 (de) Medizinische vorrichtung und verriegelungsmechanismus dafür
EP0762904B1 (fr) Dispositif d'injection
DE3851229T2 (de) Medizische spritze.
EP0525525B1 (fr) Injecteur
DE10106367B4 (de) Ablesehilfe für eine Vorrichtung zur Verabreichung einer einstellbaren Dosis eines injizierbaren Produkts
DE69125474T2 (de) Injektionsstift für Mehrfachdosierung
DE69730882T2 (de) Vorrichtung zur Spritzenanfertigung
DE60015996T2 (de) Zurückziehbare nadelanordnung
DE102004004310A1 (de) Injektionsgerät mit verrastbarem Dosierglied
WO2007071080A1 (fr) Dispositif d'injection doté d'un organe de dosage ou d'affichage a superposition axiale
EP0022977A1 (fr) Dispositif pour seringues hypodermiques
DE10358914A1 (de) Spritzenzylinder
DE10106368B4 (de) Verstellsperre für eine Vorrichtung zur Verabreichung einer einstellbaren Dosis eines injizierbaren Produkts
DE102004020374A1 (de) Vorrichtung zur Verabreichung eines injizierbaren Produkts mit gesicherter Dosiereinrichtung
DE69433215T2 (de) Medizinische Spritze
EP0963212B1 (fr) Canule pour seringues medicales
WO2005009517A1 (fr) Seringue medicale pour injection
EP0379223B1 (fr) Seringue à usage unique
DE3906027A1 (de) Schlauch zur fuehrung von medizinischen fluessigkeiten
EP2773400B1 (fr) Seringue à usage unique

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): DE US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 103942963

Country of ref document: DE

122 Ep: pct application non-entry in european phase
REF Corresponds to

Ref document number: 10394296

Country of ref document: DE

Date of ref document: 20061123

Kind code of ref document: P

WWE Wipo information: entry into national phase

Ref document number: 10394296

Country of ref document: DE