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WO2013057204A1 - Pointe d'introduction à usage unique, système d'endoscopie et système de refroidissement - Google Patents

Pointe d'introduction à usage unique, système d'endoscopie et système de refroidissement Download PDF

Info

Publication number
WO2013057204A1
WO2013057204A1 PCT/EP2012/070680 EP2012070680W WO2013057204A1 WO 2013057204 A1 WO2013057204 A1 WO 2013057204A1 EP 2012070680 W EP2012070680 W EP 2012070680W WO 2013057204 A1 WO2013057204 A1 WO 2013057204A1
Authority
WO
WIPO (PCT)
Prior art keywords
insertion tip
tip
einwegeinführspitze
medium
instrument
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/EP2012/070680
Other languages
German (de)
English (en)
Inventor
Fritz Pauker
Marc Henzler
Andreas KÜGLE
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.)
Digital Endoscopy GmbH
Original Assignee
Digital Endoscopy GmbH
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 Digital Endoscopy GmbH filed Critical Digital Endoscopy GmbH
Publication of WO2013057204A1 publication Critical patent/WO2013057204A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • A61B17/3211—Surgical scalpels, knives; Accessories therefor
    • A61B17/3213—Surgical scalpels, knives; Accessories therefor with detachable blades
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00004—(bio)absorbable, (bio)resorbable or resorptive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3454—Details of tips

Definitions

  • the present invention relates to a disposable introducer tip, an endoscope copying system having at least one such disposable introducer tip, and a refrigeration system for manufacturing such a disposable introducer tip.
  • the very small incisions reduce wound pain and cause minor scars on the area of intervention. This, in turn, is perceived as cosmetically advantageous, moreover, due to the faster healing of the intervention area, a shorter hospital stay results.
  • the trocar itself is in its simplest form a tube (tube) with an inner diameter of z. B. 0.5-12 mm, in which a guided in the tube pin sits with a tip. The tip cuts through the tissue and penetrates into the body cavity together with the tube. The stylus is withdrawn leaving the tube in place and serving as a guide for an optical instrument (endoscope), gripping instrument, cutting instrument or other surgical instrument.
  • an optical instrument endoscope
  • Trocars are made of plastic, titanium or so-called surgical steel. Trocars are designed as a one-time or multiple-use instrument. Depending on the shape of the tip, a distinction is made between a sharp and a blunt trocar.
  • proximal end / proximal side is used to refer to the end / side facing the attending physician.
  • distal end / distal side is used to close the end / side which points away from the attending physician - ie towards the patient.
  • WO 92/10141 Al discloses an insertion tip according to the preamble of claim 1.
  • US 5 957 947 A discloses an insertion tip according to the preamble of claim 1.
  • the present invention is intended to provide an improved endoscopy system with a disposable insertion tip.
  • An endoscopy system is defined in claim 12.
  • a cooling system for manufacturing a one-way insertion tip is defined in claim 13.
  • the disposable introducer tip includes an introducer tip body to which a minimally invasive medical or endoscopic instrument is connectable and a tip disposed at the distal end of the introducer tip body.
  • the disposable insertion tip is formed of a solidified medium that becomes fluid at body temperature.
  • Such Einwegein1700spitze can be produced inexpensively.
  • their handling is very simple, since it can only be plugged or connected to an instrument and inserted by means of the instrument in the body.
  • the body heat at the piercing site increases the temperature of the Einwegein1700spitze up to a height at which you change the state of aggregation of Einwegein1700spitze from solid to liquid and melts the Einwegein1700spitze, so is liquid.
  • the instrument is already at the handling or surgical site. Removal of the insertion tip is thus eliminated.
  • the solidified medium can be transparent. The surgeon is thus a very precise handling in the determination of the puncture allows. Unlike previous materials that were not transparent, the surgeon can see through the tip when inserting the disposable insertion tip.
  • the medium can be water ice. Then the Einwegein2,000spitze is particularly easy and inexpensive to produce.
  • the medium can be isotonic ice. A good compatibility in the body is guaranteed. After melting the disposable introducer tip, the isotonic fluid can be absorbed by the body. A suction can be omitted.
  • the tip may have a conical shape. Such a one-way insertion tip is well suited for punctuation.
  • the tip may have a shape of an elongate cutting surface, or the insertion tip body may have a cylinder taper at its distal end such that the distal portion of the cylinder taper forms the tip.
  • a one-way insertion tip can be applied similarly to a cutting trocar.
  • the insertion tip body may be cylindrical or polygonal. This results in a high versatility in the application.
  • the introducer tip body can be cylindrical and have a thread to which a medical minimally invasive or an endoscopic instrument can be screwed.
  • the thread can z. B. be an internal thread into which a medical minimally invasive or an endoscopic instrument can be screwed.
  • Such Einwegeinlomi spitze sits very safe on the instrument. Slipping out of the instrument is even after partially begun
  • the introducer tip body may have a sterilization insert. As a result, a particularly safe hygienic application is possible.
  • the solidified medium can be colored.
  • different sizes (diameter) or different shapes (circular, oval, rectangular, triangular, octagonal cross-section, etc.) of EinwegeinScience dictaten be marked by respective colorations.
  • the medium may be incorporated with a gel to increase the tensile strength. As a result, the breaking strength of the insertion tip is increased.
  • Fig. 1 shows a perspective view of a disposable insertion tip according to the invention, in which an instrument is inserted.
  • FIG. 2 shows the one-way insertion tip of FIG. 1 with the instrument on a reduced scale.
  • 3 shows a cooling system for producing a one-way insertion tip according to the invention.
  • Fig. 1 shows a perspective view of a disposable insertion tip according to the invention, in which an instrument is inserted.
  • the disposable insertion tip of the present embodiment of the present invention is formed as a cylindrical insertion tip body 12 having a tapered tip 11.
  • the cylindrical insertion tip body 12 and the conical tip 11 integrally form the one-way insertion tip 1.
  • the material of EinwegeinAvemspitze 1 is water ice in the present embodiment.
  • the disposable introducer tip 1 suitable for minimally invasive surgery, consists of conditioned water which has been solidified by means of a corresponding molding so that the disposable insertion tip 1 of FIG. 1 results.
  • conditioned water which has been solidified by means of a corresponding molding so that the disposable insertion tip 1 of FIG. 1 results.
  • the insertion tip body 12 is cylindrically designed such that a medical minimally invasive instrument (gripping instrument, cutting instrument or another surgical instrument) 2 or an endoscopic instrument (camera, illumination instrument) 2, as shown in FIG. 1 can be inserted into the insertion tip body 12.
  • the instrument 2 is inserted into the insertion tip body 12 so far that the distal end of the instrument 2 abuts the proximal end of the tip 11.
  • the insertion tip body 12 has a wall thickness which gives it sufficient strength and stability.
  • the inner shape of the insertion tip body 12 is thus adapted to the outer shape of a distal end portion of an instrument 2.
  • Such an instrument 2 is shown for example in FIG. 2 shown.
  • the medical minimally invasive instrument 2 or the endoscopic instrument 2 with the one-way insertion tip attached at its distal end is inserted at a point at which the epidermis and / or the dermis has already been opened by means of a scalpel.
  • the disposable insertion tip 1 by means of the disposable insertion tip 1, the subcutis (subcutaneous tissue) is opened by piercing and the instrument 2 can be introduced with the disposable insertion tip 1 into the cavity under the skin. Due to the body temperature, the disposable insertion tip 1 melts relatively quickly after piercing.
  • the EinwegeinLabspitze is made of sometimes suitably treated water, it is very inexpensive.
  • the tip 11 of the Einwegein1700spitze 1 is transparent and thus allows the surgeon extremely precise handling in the determination of the puncture point. In contrast to previous materials that were not transparent, the surgeon can look through the tip when inserting the disposable insertion tip 1.
  • the one-way insertion tip 1 consists of frozen, ie solidified, water.
  • the medium of Einwegein slaughter 1 is made of isotonic ice. That is, an appropriate amount of saline (sodium chloride) is added to the water to give an isotonic saline solution.
  • the medium may consist of an isotonic saline solution of 0.9% sodium chloride.
  • the medium of the disposable insertion tip 1 has an osmolarity similar to that of the blood plasma. Therefore, this medium is particularly well suited for a surgical procedure.
  • the isotonic saline solution is absorbable by the body after melting the disposable insertion tip 1.
  • isotonic saline is very inexpensive.
  • isotonic saline solution is also transparent, so that the corresponding advantages of the first embodiment with regard to the handling in the second embodiment arise.
  • the shape of the tip 11 has a conical shape.
  • an elongated cutting surface is formed at the distal end portion of the tip of the one-way insertion tip.
  • the elongated cutting surface may extend perpendicular to the axial direction of the insertion tip body 12 as in a flat-head screwdriver.
  • the elongate cutting surface may extend at an angle to the axial direction of the insertion tip body 12 tapering toward the distal end point as in a knife or scalpel.
  • the cylindrical insertion tip body is merely chamfered at its distal end.
  • a suitable helix angle is, for example, between 20 and 75 degrees. It should be noted that the present invention is not limited to these bevel angles, but any suitable bevel angle may be selected at which cutting or piercing of the insertion tip can be favorably carried out.
  • the cylindrical one Insertion tip body 12 is provided in the present embodiment with an internal thread.
  • An instrument 2 having an external thread corresponding to the internal thread of the insertion tip body 12 may be screwed into the insertion tip body.
  • the one-way insertion tip of the present embodiment is seated on the instrument 2 very securely. Slipping out of the instrument 2 is still prevented even after partially started melting.
  • the insertion tip body 12 is cylindrically structured.
  • the insertion tip body has a polygonal or oval cross section and is thus suitable for instruments which have a corresponding polygonal or oval cross section.
  • the corresponding instrument is then inserted into the polygonal or oval insertion tip body, resulting in a particularly advantageous security against rotation.
  • tip shapes of Einweginpipingspitze invention are possible, such.
  • the tip and the insertion tip body can have any shape, the can be produced by means of the solidified medium.
  • water or isotonic ice is discussed as the medium for the one-way introduction tip.
  • the present invention is not limited thereto. Any medium which is suitable for minimally invasive surgical treatment and thus suitable for the body to be treated and which can melt immediately or shortly after piercing / incising is applicable as the material for the one-way insertion tip.
  • the medium of the one-way insertion tip 1 can be any medium as long as it melts at body temperature and is not harmful to the body.
  • the medium for the disposable introducer tip may be inked by compatible means to identify, for example, different sizes (diameter) or different shapes (circular, oval, rectangular, triangular, octagonal cross-section, etc.) of the disposable introducer tips by respective stains. As a result, when a variety of disposable insertion tips are included in a cool box, a desired one-way insertion tip can be quickly found.
  • the medium may be incorporated with a gel to increase the tensile strength.
  • the breaking strength of the insertion tip is increased.
  • Other admixtures that increase the breaking strength of Ein slaughterspitze are conceivable.
  • the gel and the other admixtures as well as the salt displace the solidification point of the insertion tip.
  • the solidification point of the insertion tip should, however, be chosen so that just before piercing the insertion tip into the body, the insertion point is sufficiently solidified or firm enough that a piercing into the body with sufficient strength and stability is possible, and after piercing by the body heat the transition to the liquid state takes place.
  • the insertion tip body 12 is provided with an internal thread and the instrument 2 has an external thread.
  • the introducer tip body and the instrument may instead be connected to a bayonet catch. Other forms of interlocking between the insertion tip and the instrument are also possible.
  • the one-way insertion tip 1 can be produced in a suitable manner by means of a shaped body 31 in a cooling system 3.
  • the molded body 31 is provided with a port not shown for supplying the medium melting at body temperature.
  • the cooling system 3 according to FIG. 3 has a housing 33 in which the molded body 31 is centrally accommodated.
  • the molded body 31 is usually a divided molded body, and can consist of an upper mold body part and a lower mold body part, each having the (negative) shape of the Einwegeinfuel dictate to be generated in half-mold as a groove, as is conventional in a classical (casting) form method. Other moldings are conceivable.
  • the instrument 2 may be an instrument used with the disposable insertion tip 1 attached during minimally invasive surgery. That is, the instrument 2 is already provided with the disposable insertion tip 1 in use.
  • the instrument 2 may be a medical minimally invasive instrument or an endoscopic instrument, wherein the endoscopic instrument may again be an illumination instrument or an image acquisition instrument.
  • the instrument 2 employed in the cooling system of FIG. 3 may be a separate standard component which is removed from the disposable insertion tip 1 after the cooling operation is completed and the disposable insertion tip 1 has solidified and received its intended shape.
  • the Einwegein211spitze 1 can then be stored separately from the surgical instrument (cooled) and placed shortly before the moment of application to the appropriate instrument (or screwed).
  • the disposable insertion tip according to the invention can be kept in stock in a larger number in a corresponding cooling box.
  • a cooling box For example, such a cooler EinwegeinSciencespitzen various common diameter and sizes included.
  • a cool box may contain a certain number of the same one-way insertion tip to avoid confusion between different disposable insertion tips.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne une pointe d'introduction à usage unique (1) pourvue d'un corps (12) auquel un instrument médical minimalement invasif ou un instrument endoscopique (2) peut être relié, et d'une pointe (11) disposée à l'extrémité distale du corps (12). La pointe d'introduction à usage unique (1) est formée d'un milieu solidifié qui devient liquide à la température du corps.
PCT/EP2012/070680 2011-10-20 2012-10-18 Pointe d'introduction à usage unique, système d'endoscopie et système de refroidissement Ceased WO2013057204A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011084918.1 2011-10-20
DE201110084918 DE102011084918B3 (de) 2011-10-20 2011-10-20 Einwegeinführspitze, endoskopiesystem und kühlsystem

Publications (1)

Publication Number Publication Date
WO2013057204A1 true WO2013057204A1 (fr) 2013-04-25

Family

ID=47049167

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/070680 Ceased WO2013057204A1 (fr) 2011-10-20 2012-10-18 Pointe d'introduction à usage unique, système d'endoscopie et système de refroidissement

Country Status (2)

Country Link
DE (1) DE102011084918B3 (fr)
WO (1) WO2013057204A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691373A (en) * 1951-11-15 1954-10-12 Julien A Bried Colon flushing nozzle with dissolvable tip
US4936835A (en) * 1988-05-26 1990-06-26 Haaga John R Medical needle with bioabsorbable tip
WO1992010141A1 (fr) 1990-12-11 1992-06-25 Adair Edwin Lloyd Systeme de trocart pour laparoscopie
US5957947A (en) 1997-07-18 1999-09-28 Wattiez; Arnaud Single use trocar assembly
DE102005061368B3 (de) * 2005-12-13 2007-07-12 Aesculap Ag & Co. Kg Implantierbares Verbindungselement sowie chirurgisches Fixationssystem
US20090062783A1 (en) * 2007-08-28 2009-03-05 Sun William Y Ice tip hypodermic needle
US20090076454A1 (en) * 2007-08-21 2009-03-19 Castlewood Surgical, Inc., A Texas Corporation System and method for providing an obturator for enhanced directional capabilities in a vascular environment
US20100249726A1 (en) * 2009-03-25 2010-09-30 King Saud University Trocarless intravenous cannula with a multifilament tip

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691373A (en) * 1951-11-15 1954-10-12 Julien A Bried Colon flushing nozzle with dissolvable tip
US4936835A (en) * 1988-05-26 1990-06-26 Haaga John R Medical needle with bioabsorbable tip
WO1992010141A1 (fr) 1990-12-11 1992-06-25 Adair Edwin Lloyd Systeme de trocart pour laparoscopie
US5957947A (en) 1997-07-18 1999-09-28 Wattiez; Arnaud Single use trocar assembly
DE102005061368B3 (de) * 2005-12-13 2007-07-12 Aesculap Ag & Co. Kg Implantierbares Verbindungselement sowie chirurgisches Fixationssystem
US20090076454A1 (en) * 2007-08-21 2009-03-19 Castlewood Surgical, Inc., A Texas Corporation System and method for providing an obturator for enhanced directional capabilities in a vascular environment
US20090062783A1 (en) * 2007-08-28 2009-03-05 Sun William Y Ice tip hypodermic needle
US20100249726A1 (en) * 2009-03-25 2010-09-30 King Saud University Trocarless intravenous cannula with a multifilament tip

Also Published As

Publication number Publication date
DE102011084918B3 (de) 2013-03-07

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