EP0163668A1 - Dispositif pour pincer des organes tubulaires creux du corps humain ou animal, en particulier des vaisseaux sanguins - Google Patents

Dispositif pour pincer des organes tubulaires creux du corps humain ou animal, en particulier des vaisseaux sanguins

Info

Publication number
EP0163668A1
EP0163668A1 EP19840904085 EP84904085A EP0163668A1 EP 0163668 A1 EP0163668 A1 EP 0163668A1 EP 19840904085 EP19840904085 EP 19840904085 EP 84904085 A EP84904085 A EP 84904085A EP 0163668 A1 EP0163668 A1 EP 0163668A1
Authority
EP
European Patent Office
Prior art keywords
clamping jaws
jaws
elastic
clamping
devices
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.)
Withdrawn
Application number
EP19840904085
Other languages
German (de)
English (en)
Inventor
Max Laszczower
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
Application filed by Individual filed Critical Individual
Publication of EP0163668A1 publication Critical patent/EP0163668A1/fr
Withdrawn legal-status Critical Current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
    • A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord

Definitions

  • clamping devices For clamping tubular hollow organs, e.g. of blood vessels of the animal or human body, clamping devices are known which are made of a resilient metal or contain at least one metal spring. Since a lot of manual work is required to manufacture them, the clamps on the market are correspondingly expensive. In addition, their spring force decreases after repeated use, so that the necessary closing force is no longer achieved. Cleaning these spring clips is also very cumbersome and time-consuming. Of course, each of these clamps must be sterilized.
  • FIG. 1 is a simplified sectional illustration of a first embodiment of the device
  • FIG. 2 shows an embodiment variant of this device in section
  • FIG. 3 is a side view of a further embodiment
  • FIG. 4 shows in perspective a special application of such devices
  • FIG. 5 is a perspective view of a device in which the closing force can be varied by varying the lever ratios.
  • Figure 1 shows a scher.atischer sectional view of two jaws 1, which are preferably made of plastic ⁇ of any cross-section, but as a hollow body and each have a stop 2 on their outer surface. At this stop is a ring 3 made of elastic material, for example a rubber ring, which tries to press the two jaws against each other with a certain closing force.
  • the two arms 5a of a spreading instrument 5 3 protrude into the cavities of the two clamping jaws 4, the arms of which overlap at point 5b, so that the clamping jaws 1 can be spread by means of this instrument against the restoring force of the rubber ring 3 if pressure is exerted approximately in the area of point H.
  • the handle parts 5c can be pivoted about the axis A when actuated.
  • the two arms 5a of the spreading instrument 5 are designed such that they correspond to the cross section of the cavities 4, which can be round or polygonal.
  • the jaws 1 each have a tubular eyelet 7 on their outer surfaces, into which arms 5a of the spreading instrument 5 can in turn be inserted.
  • The. Jaws 1 do not have to be formed as a hollow body in this embodiment.
  • the device consisting of the two clamping jaws 1 and the elastic return element 3 is plugged onto the spreading instrument 5 by means of the cavities 4 or the eyelets 7 and this is spread apart.
  • the elastic return element 3 expands and the two clamping jaws are removed from one another.
  • the hollow organ 6 to be clamped comes to rest between the two clamping jaws 1 and can now be clamped by the force of the elastic restoring element by suspending the pressure exerted on the spreading instrument 5.
  • the spreading instrument 5 is withdrawn from the clamping device and this remains temporarily on the hollow organ and clamps the same under the influence of the elastic return element 2.
  • the clamping jaws are preferably mass-produced from plastic and are intended for single use. They can of course also be made from cast metal, eg from light metal, and used repeatedly.
  • the elastic return element can take the place of a metal spring.
  • the clamping jaws then have corresponding devices, incisions or projections, which prevent the elastic return element from being inadvertently shifted and ensure the constant closing force of the device.
  • the closing force of the device can be varied.
  • the clamping jaws denoted here by 8 can also be made in one piece with the handles 9, the clamping jaws in turn having stops 10 on their outside for fixing an elastic restoring element 11.
  • a common pivot axis 12 is fastened to one of the two levers via a web 13 and has, for example, a triangular opening 14.
  • a suitable slide rail can be inserted through this opening 14, on which two of the devices shown in Figure 3 can be slidably arranged. This arrangement can prove to be expedient if, for example, two blood stumps are to be joined together by suturing.
  • FIG. 4 A variant of this embodiment is shown in perspective in FIG. 4.
  • the two clamping devices shown here each have a pair of levers 15 and 16, which are held together in their front end region by an elastic restoring element 17.
  • a corresponding pivot axis 19 projects through correspondingly shaped recesses 18 in the levers 15 and 16, respectively, and is provided with limiting disks 20 at its end sections.
  • the two clamping devices can thus be moved as desired on the common pivot axis 19 and can advantageously be used for clamping two blood stumps 6a and 6b.
  • FIG. 1 A further possibility for varying the closing force exerted by the clamping jaws is shown in the embodiment variant shown in perspective in FIG.
  • This has two one-piece levers 21, the front, preferably somewhat narrower end portions 21a of which are held together by a rubber ring 22.
  • the two levers 21 are provided with recesses 23 and 24, into which an axis 25 can optionally be inserted. If the axis 25 is inserted, for example, into the recesses designated by 24, then a lower closing force results at the end sections 21a according to the lever law than if the axis 25 were inserted into the recesses 23.
  • the use of different closing forces can be important, for example, when it comes to pinching off arteries or veins.
  • the levers 21 are provided with handles 21b. When the closing force is varied, the distance of the rubber ring 22 from the clamping point of the blood vessel naturally also plays a role, which can also be changed by moving the rubber ring.
  • the clamping device shown in FIG. 4 has the advantage over the embodiment according to FIG. 3 that it consists of two identical levers 15 and 16 and is therefore inexpensive to manufacture. It goes without saying that each of the clamping devices shown in FIG. 4 can also be used separately, with a round steel preferably being used as the pivot axis, which has a delimiting flange on both sides.
  • the axis designated 25 in FIG. 5 can advantageously be adapted to the cross section of the recess 24 with a polygonal, e.g. square, cross section. This entails a secure mutual holding of the two levers 21 and the avoidance of confusing the axes.
  • a polygonal shape of the recesses 18 and the axis 19 results in the advantage that the clamping devices once pushed onto the axis 19 maintain their mutual angular position.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (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

Le dispositif pour pincer des organes tubulaires creux, en particulier des vaisseaux sanguins, comprend deux mâchoires (1) reliées l'une à l'autre de façon mobile au moyen d'un organe élastique de rappel (3). Les mâchoires (1) peuvent être placées sur les bras (5a) d'un dispositif écarteur (5) qui agit sur les deux mâchoires (1) à l'encontre de la force de rappel de l'organe élastique (3) et crée la place pour l'organe tubulaire creux (6) à pincer. En cessant l'application de la force exercée par le dispositif écarteur, les deux mâchoires (1) se serrent sur l'organe creux (6) et le pincent par l'action de l'organe élastique de rappel (3). Ensuite, le dispositif écarteur (5) est retiré des mâchoires (1) de sorte que celles-ci restent attachées à l'organe creux (6) et le pincent par la pression de l'organe élastique de rappel (3). Les mâchoires peuvent être fabriquées en matière synthétique pour un usage unique ou en métal pour un usage répété.
EP19840904085 1983-11-30 1984-11-28 Dispositif pour pincer des organes tubulaires creux du corps humain ou animal, en particulier des vaisseaux sanguins Withdrawn EP0163668A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6382/83 1983-11-30
CH638283 1983-11-30

Publications (1)

Publication Number Publication Date
EP0163668A1 true EP0163668A1 (fr) 1985-12-11

Family

ID=4308700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840904085 Withdrawn EP0163668A1 (fr) 1983-11-30 1984-11-28 Dispositif pour pincer des organes tubulaires creux du corps humain ou animal, en particulier des vaisseaux sanguins

Country Status (2)

Country Link
EP (1) EP0163668A1 (fr)
WO (1) WO1985002334A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR450537A (fr) * 1912-10-26 1913-03-27 Edmond Allain Launay Pince de support d'objets dans un liquide
FR525561A (fr) * 1914-04-25 1921-09-24 Hans Georg Katz Pince pour fermer le canal de l'urètre lors des injections
AT127768B (de) * 1928-05-31 1932-04-11 Ig Farbenindustrie Ag Verfahren zur Herstellung von Kunstseide, Bändchen, Filmen oder künstlichen Gebilden aus Viskose mit vermindertem Glanze.
US1784717A (en) * 1929-06-01 1930-12-09 Barnes James Spring clip
US2058102A (en) * 1935-12-11 1936-10-20 Philipp Anton Adjustable spring clamp
US3326217A (en) * 1964-04-27 1967-06-20 Kerr Harry Sydney Hemostatic clamp
US3911926A (en) * 1974-08-16 1975-10-14 Us Health Adjustable microvascular U-clamp
DE2730691C2 (de) * 1976-07-16 1982-12-16 Maruho Co. Ltd., Osaka Wundklammer, Verbindungselement für mehrere Wundklammern und Zange zum Öffnen und Schließen derselben
US4416266A (en) * 1981-05-15 1983-11-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Medical clip

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8502334A1 *

Also Published As

Publication number Publication date
WO1985002334A1 (fr) 1985-06-06

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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18D Application deemed to be withdrawn

Effective date: 19851112