DE4303544A1 - Surgical instrument for applying clips to surgical incision - has reloading magazine which holds clips in sterile environment - Google Patents

Surgical instrument for applying clips to surgical incision - has reloading magazine which holds clips in sterile environment

Info

Publication number
DE4303544A1
DE4303544A1 DE19934303544 DE4303544A DE4303544A1 DE 4303544 A1 DE4303544 A1 DE 4303544A1 DE 19934303544 DE19934303544 DE 19934303544 DE 4303544 A DE4303544 A DE 4303544A DE 4303544 A1 DE4303544 A1 DE 4303544A1
Authority
DE
Germany
Prior art keywords
instrument
magazine
clips
reloading
distal end
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
DE19934303544
Other languages
German (de)
Inventor
Horst Dittrich
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.)
Karl Storz SE and Co KG
Original Assignee
Karl Storz SE 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 Karl Storz SE and Co KG filed Critical Karl Storz SE and Co KG
Priority to DE19934303544 priority Critical patent/DE4303544A1/en
Publication of DE4303544A1 publication Critical patent/DE4303544A1/en
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, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/0682—Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A61B17/1222—Packages or dispensers therefor

Abstract

A surgical instrument for applying U-shaped or V-shaped clips has a magazine in which the clips are arranged one behind another in at least one row. The instrument has a mechanism (6, 7) which enables the clip, nearest to the distal end of the instrument, to be pushed out through an opening in the distal end. A reloading magazine (2) can be fitted to the distal end of the instrument. The clips held in the reloading magazine are then easily transferred to the magazine fixed to the instrument. USE/ADVANTAGE - Applying clips to a surgical incision. The reloading magazine holds the clips in a sterile environment until they are required for use.

Description

Die Erfindung bezieht sich auf ein chirurgisches In­ strument zum Anbringen von V- oder U-förmigen Klammern, mit einem Magazin, in dem die Klammern in wenigstens einer Reihe hintereinander angeordnet sind, einem Vor­ schubelement, das jeweils die dem distalen Ende des Instruments nächste Klammer aus einer Öffnung am dista­ len Ende ausschiebt, und einem Schubmechanismus zum Vorschieben des Vorschubelements, der durch ein am proximalen Ende angeordnetes Betätigungselement betä­ tigbar ist. The invention relates to a surgical In instrument for attaching V- or U-shaped clips, with a magazine in which the brackets in at least a row are arranged one behind the other, a front thrust element, each of which the distal end of the Instruments next bracket from an opening at the dista len end, and a push mechanism for Feeding the feed element, which is by an am actuated proximal end arranged is applicable.  

Derartige Instrumente werden für die verschiedensten chirurgischen Nahtvorgänge benötigt.Such instruments are used for the most diverse surgical sutures needed.

Bei den gegenwärtigen auf dem Markt befindlichen In­ strumenten ist ein Nachladen des Magazins nicht oder nur beschränkt möglich. Die meisten der gegenwärtig erhältlichen Instrumente sind nämlich als sog. Einweg- Instrumente ausgeführt, die nach dem Verbrauch der im Magazin befindlichen Klammern weggeworfen werden müs­ sen.With the current In instruments is not a reload of the magazine or only possible to a limited extent. Most of the present available instruments are namely so-called disposable Instruments executed after the consumption of the in Clamps located in the magazine must be thrown away sen.

In der Patentliteratur sind zwar verschiedentlich nach­ ladbare Instrumente beschrieben worden, diese Instru­ mente haben sich jedoch aus den verschiedensten Gründen nicht durchsetzen können:In the patent literature there are various references to loadable instruments have been described, these instru elements have, however, for various reasons cannot enforce:

So muß bei dem aus der DE 29 10 454 A1 bekannten In­ strument das Magazin vollständig ausgetauscht werden. Austauschbare Magazine führen u. a. aber zu Problemen bei der Sterilisierung der Instrumente.For example, in the case of the known from DE 29 10 454 A1 strument the magazine can be replaced completely. Interchangeable magazines a. but to problems when sterilizing the instruments.

Weitere Nahtgeräte sind aus den europäischen Offen­ legungsschriften EP 02 69 226 A1 und EP 03 23 016 A1 sowie den deutschen Patentveröffentlichungen 29 49 389 A1, 30 02 847 A1, 31 09 657 A1, 35 90 364 C2 und 36 15 405 A1 bekannt.More seam devices are from the European Open documents EP 02 69 226 A1 and EP 03 23 016 A1 and the German patent publications 29 49 389 A1, 30 02 847 A1, 31 09 657 A1, 35 90 364 C2 and 36 15 405 A1 known.

Auch bei den in diesen Patentveröffentlichungen be­ schriebenen Instrumenten ist ein Nachladevorgang entwe­ der nicht oder nur eingeschränkt möglich.Also in the be in these patent publications written instruments is a reloading process which is not possible or only possible to a limited extent.

Der Erfindung liegt die Aufgabe zugrunde, ein chirurgi­ sches Instrument zum Anbringen von V- oder U-förmigen Klammern derart weiterzubilden, daß der Nachladevorgang einfach und ohne Sterilitätsverlust auszuführen ist.The invention has for its object a surgeon cal instrument for attaching V-shaped or U-shaped  To further develop brackets in such a way that the reloading process can be carried out easily and without loss of sterility.

Eine erfindungsgemäße Lösung dieser Aufgabe ist mit ihren Weiterbildungen in den Patentansprüchen gekenn­ zeichnet.An inventive solution to this problem is with know their further training in the claims draws.

Erfindungsgemäß ist am distalen Ende des Instruments ein Nachlademagazin ansetzbar ist, aus dem Klammern in das Magazin des Instruments überführbar sind. Hierdurch ist es möglich, sterile Klammern ohne Berührung mit nicht-sterilen Teilen oder durch gegebenenfalls unste­ riles Bedienungspersonal in das chirurgische Instrument zu überführen.According to the invention is at the distal end of the instrument a reloading magazine can be attached, from the brackets in the magazine of the instrument can be transferred. Hereby it is possible to use sterile clamps without touching them non-sterile parts or by possibly unste riles operators in the surgical instrument to convict.

Vor allem aber ist es möglich, V- oder U-förmige Klam­ mern, die in dem Instrument "flach liegend" und nicht "stehend" hintereinander angeordnet sind, nachzuladen.But above all, it is possible to use V- or U-shaped stuff mern that "lying flat" in the instrument and not "standing" are arranged one behind the other to reload.

Die Verwendung eines Nachlademagazins, das am distalen Ende des Instruments ansetzbar ist, hat aber vor allem den Vorteil, daß der Querschnitt des Instruments trotz seiner Nachladbarkeit klein bleibt, so daß das erfin­ dungsgemäße Instrument jederzeit beispielsweise in einen Endoskopschaft mit geringem freiem Lumen einge­ setzt werden kann.The use of a reloading magazine on the distal End of the instrument is applicable, but above all the advantage that the cross section of the instrument despite its reloadability remains small, so that invented instrument according to the invention at any time in an endoscope shaft with a small free lumen can be set.

Die Erfindung wird nachstehend unter Bezugnahme auf die Zeichnung näher beschrieben, in der ein Ausführungsbei­ spiel dargestellt ist, und in der zeigen:The invention is described below with reference to the Drawing described in more detail, in which an execution game is shown, and in which show:

Fig. 1 ein erfindungsgemäß ausgestaltetes chirurgi­ sches Instrument im Längsschnitt sowie in ver­ schiedenen weiteren Schnitten, und Fig. 1 shows an inventively designed chirurgi cal instrument in longitudinal section and in various other cuts, and

Fig. 2 ein Nachlademagazin im gefüllten und leeren Zustand im Querschnitt und in Aufsicht. Fig. 2 is a reloading magazine in the filled and empty state in cross section and in supervision.

Fig. 1 zeigt ein chirurgisches Instrument zum Anbringen von V- oder U-förmigen Klammern im Längsschnitt sowie in verschiedenen weiteren Schnitten, bezüglich deren Lage und Schnittrichtung auf die Zeichnung verwiesen wird. Fig. 1 shows a surgical instrument for attaching V- or U-shaped brackets in longitudinal section and in various other cuts, with respect to their position and cutting direction, reference is made to the drawing.

Das Instrument weist ein Magazin 1 auf, in dem die sterilen U- oder V-förmigen Klammern "liegend" in we­ nigstens einer Reihe hintereinander angeordnet sind. Ein Vorschubelement 2, das insbesondere in dem unter dem Hauptteil der Fig. 1 angeordneten Schnittbild dar­ gestellt ist, schiebt jeweils die dem distalen Ende 3 des Instruments nächste Klammer 4 aus einer Öffnung 5 am distalen Ende 3 aus. Hierzu hat das Vorschubelement bevorzugt eine der jeweils auszuschiebenden Klammer angepaßte vordere Kontur bzw. Eingriffsfläche.The instrument has a magazine 1 , in which the sterile U or V-shaped brackets "lying" in at least one row are arranged one behind the other. A feed element 2 , which is shown in particular in the sectional view arranged under the main part of FIG. 1, pushes the clamp 4 closest to the distal end 3 of the instrument from an opening 5 at the distal end 3 . For this purpose, the feed element preferably has a front contour or engagement surface adapted to the clamp to be pushed out in each case.

Ein Schubmechanismus 6 zum Vorschieben des Vorschubele­ ments 2 ist durch ein am proximalen Ende 7 angeordnet es Betätigungselement 8 betätigbar. Hierzu sind ein nicht näher bezeichneter Griff, eine Raste usw. vorgesehen, mit denen eine gespannte Feder 9 soweit gelöst wird, daß gerade eine Klammer aus dem distalen Ende aus ge­ schoben wird.A thrust mechanism 6 for advancing the feed element 2 can be actuated by an actuating element 8 arranged at the proximal end 7 . For this purpose, an unspecified handle, a catch, etc. are provided, with which a tensioned spring 9 is released so far that just a clip is pushed out of the distal end.

Bezüglich weiterer Einzelheiten wird ausdrücklich auf die Zeichnung verwiesen.Regarding further details, is expressly on referred to the drawing.

Am distalen Ende 3 des Instruments ist ein in Fig. 2 dargestelltes Nachlademagazin ansetzbar, aus dem Klam­ mern in das Magazin 1 des Instruments überführbar sind. At the distal end 3 of the instrument, a reloading magazine shown in FIG. 2 can be attached, from which clips can be transferred into the magazine 1 of the instrument.

Dabei werden die Klammern beim Nachladen in etwa in Richtung der Längsachse des Instruments vorgeschoben, also in einer Richtung, die der Richtung beim Ausstoß einer Klammer entgegengesetzt ist.The brackets are roughly approx Advanced in the direction of the longitudinal axis of the instrument, that is, in a direction that is the same as the direction of the discharge is opposite a bracket.

Das Nachlademagazin weist einen Teil 10 auf, in den das distale Ende des Instruments einsetzbar ist. Hierdurch ist sichergestellt, daß die Sterilität der Klammern gewährleistet bleibt. Mittels eines Schiebers 11, der manuell über ein Betätigungselement 12 betätigbar ist, können die Klammern 13 in das Magazin 1 des Instruments geschoben werden, ohne daß die Klammern von der Bedie­ nungsperson berührt werden könnten. Dabei werden die Klammern aus dem Nachlademagazin in einer Reihe gemein­ sam in das Magazin 1 des Instruments überführt.The reloading magazine has a part 10 into which the distal end of the instrument can be inserted. This ensures that the sterility of the clips remains guaranteed. By means of a slide 11 , which can be operated manually via an actuating element 12 , the clips 13 can be pushed into the magazine 1 of the instrument without the clips being touched by the operator. The clips from the reloading magazine are transferred together in a row into magazine 1 of the instrument.

Durch das Nachladen des Magazins 1 des Instruments wird gleichzeitig die Feder 9 gespannt, die Bestandteil des Vorschubmechanismus 2 ist. Damit ist sichergestellt, daß nach erfolgtem Ladevorgang der Operateur immer ein betriebsbereites Instrument vorfindet. Andererseits ist durch den selbsttätigen Spannvorgang beim Nachladen gewährleistet, daß die Feder 9 nicht zu stark gespannt wird.By reloading the magazine 1 of the instrument, the spring 9 , which is part of the feed mechanism 2 , is simultaneously tensioned. This ensures that the surgeon always finds an operational instrument after the loading process has been completed. On the other hand, the automatic tensioning process during reloading ensures that the spring 9 is not tensioned too much.

Bezüglich weiterer Einzelheiten wird auf die Figuren verwiesen, die ausdrücklich Bestandteil der erfindungs­ gemäßen Offenbarung sind.For further details, refer to the figures referenced, the express part of the fiction according to revelation.

Claims (6)

1. Chirurgisches Instrument zum Anbringen von V- oder U-förmigen Klammern, mit
einem Magazin, in dem die Klammern in wenigstens einer Reihe hintereinander angeordnet sind,
einem Vorschubelement, das jeweils die dem distalen Ende des Instruments nächste Klammer aus einer Öffnung am distalen Ende ausschiebt,
einem Schubmechanismus zum Vorschieben des Vorschubele­ ments, der durch ein am proximalen Ende angeordnetes Betätigungselement betätigbar ist,
dadurch gekennzeichnet, daß am distalen Ende des In­ struments ein Nachlademagazin ansetzbar ist, aus dem Klammern in das Magazin des Instruments überführbar sind.1. Surgical instrument for attaching V- or U-shaped clips, with
a magazine in which the clips are arranged one behind the other in at least one row,
a feed element which pushes the clamp closest to the distal end of the instrument out of an opening at the distal end,
a thrust mechanism for advancing the feed element, which can be actuated by an actuating element arranged at the proximal end,
characterized in that a reloading magazine can be attached to the distal end of the instrument, from which clips can be transferred into the magazine of the instrument. 2. Instrument nach Anspruch 1, dadurch gekennzeichnet, daß die Klammern beim Nachladen in einer Richtung vorgeschoben werden, die der Richtung beim Ausstoß einer Klammer entgegengesetzt ist.2. Instrument according to claim 1, characterized in that the brackets when reloading to be advanced in a direction that the direction is opposite when ejecting a bracket. 3. Instrument nach Anspruch 2, dadurch gekennzeichnet, daß das Nachlademagazin einen Schieber für die Klammern aufweist, der manuell betä­ tigbar ist.3. Instrument according to claim 2, characterized in that the reloading magazine Has slide for the brackets, which is operated manually is applicable. 4. Instrument nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß durch das Nachladen des Magazins eine Feder gespannt wird, die Bestandteil des Vorschubmechanismus ist. 4. Instrument according to one of claims 1 to 3, characterized in that by reloading the Magazine is a spring that is part of the Feed mechanism is.   5. Instrument nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Klammern aus dem Nach­ lademagazin in einer Reihe gemeinsam in das Magazin des Instruments überführt werden.5. Instrument according to one of claims 1 to 4, characterized in that the brackets from the night loading magazine in a row together in the magazine of the Instruments are transferred. 6. Instrument nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Instrument einen Quer­ schnitt aufweist, der ein Einsetzen in einen Endoskop- Schaft mit geringem Lumen erlaubt.6. Instrument according to one of claims 1 to 5, characterized in that the instrument has a cross cut that has an insertion into an endoscope Shallow lumen shaft allowed.
DE19934303544 1992-02-07 1993-02-08 Surgical instrument for applying clips to surgical incision - has reloading magazine which holds clips in sterile environment Ceased DE4303544A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19934303544 DE4303544A1 (en) 1992-02-07 1993-02-08 Surgical instrument for applying clips to surgical incision - has reloading magazine which holds clips in sterile environment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4203606 1992-02-07
DE19934303544 DE4303544A1 (en) 1992-02-07 1993-02-08 Surgical instrument for applying clips to surgical incision - has reloading magazine which holds clips in sterile environment

Publications (1)

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DE4303544A1 true DE4303544A1 (en) 1993-09-23

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0697198A1 (en) * 1994-08-17 1996-02-21 Aesculap Ag Surgical clip applier
US5626586A (en) * 1994-05-05 1997-05-06 Wilo-Medizintechnik Lothar Wilberg Gmbh Pistols for setting surgical clamps
US5895394A (en) * 1996-09-24 1999-04-20 Aesculap Ag & Co. Kg Surgical Applicator for U-shaped clips
WO1999026544A1 (en) * 1997-11-26 1999-06-03 Bionx Implants Oy Device for installing a tissue fastener
US6457625B1 (en) 1998-02-17 2002-10-01 Bionx Implants, Oy Device for installing a tissue fastener
USRE38445E1 (en) 1994-05-05 2004-02-24 Tyco Healthcare Group, Lp Pistols for setting surgical clamps
US7731724B2 (en) 2005-04-14 2010-06-08 Ethicon Endo-Surgery, Inc. Surgical clip advancement and alignment mechanism
US7740641B2 (en) 2005-04-14 2010-06-22 Ethicon Endo-Surgery, Inc. Clip applier with migrational resistance features
US7784663B2 (en) 2005-03-17 2010-08-31 Ethicon Endo-Surgery, Inc. Surgical stapling instrument having load sensing control circuitry
US7857183B2 (en) 2004-07-28 2010-12-28 Ethicon Endo-Surgery, Inc. Surgical instrument incorporating an electrically actuated articulation mechanism
US7862579B2 (en) 2004-07-28 2011-01-04 Ethicon Endo-Surgery, Inc. Electroactive polymer-based articulation mechanism for grasper
US7914551B2 (en) 2004-07-28 2011-03-29 Ethicon Endo-Surgery, Inc. Electroactive polymer-based articulation mechanism for multi-fire surgical fastening instrument
US8038686B2 (en) 2005-04-14 2011-10-18 Ethicon Endo-Surgery, Inc. Clip applier configured to prevent clip fallout
US8057508B2 (en) 2004-07-28 2011-11-15 Ethicon Endo-Surgery, Inc. Surgical instrument incorporating an electrically actuated articulation locking mechanism
US8075571B2 (en) 2005-04-14 2011-12-13 Ethicon Endo-Surgery, Inc. Surgical clip applier methods
US8236012B2 (en) 2005-04-14 2012-08-07 Ethicon Endo-Surgery, Inc. Surgical clip advancement mechanism
US8246634B2 (en) 2005-04-14 2012-08-21 Ethicon Endo-Surgery, Inc. Surgical clip applier ratchet mechanism
US8262679B2 (en) 2009-10-09 2012-09-11 Ethicon Endo-Surgery, Inc. Clip advancer
US8267945B2 (en) 2009-10-09 2012-09-18 Ethicon Endo-Surgery, Inc. Clip advancer with lockout mechanism
US8317074B2 (en) 2004-07-28 2012-11-27 Ethicon Endo-Surgery, Inc. Electroactive polymer-based articulation mechanism for circular stapler
US8523882B2 (en) 2005-04-14 2013-09-03 Ethicon Endo-Surgery, Inc. Clip advancer mechanism with alignment features
US8905977B2 (en) 2004-07-28 2014-12-09 Ethicon Endo-Surgery, Inc. Surgical stapling instrument having an electroactive polymer actuated medical substance dispenser
US8915930B2 (en) 2005-04-14 2014-12-23 Ethicon Endo-Surgery, Inc. Force limiting mechanism for medical instrument
US9370400B2 (en) 2011-10-19 2016-06-21 Ethicon Endo-Surgery, Inc. Clip applier adapted for use with a surgical robot
US9468440B2 (en) 2011-03-31 2016-10-18 Aesculap Ag Surgical clip applicator
DE102007047631B4 (en) 2006-10-04 2019-07-04 Karl Storz Se & Co. Kg Surgical instrument for applying surgical consumables such as clips o.

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DE2949389A1 (en) * 1978-12-08 1980-06-19 Vnii Ispytatel Med Tech SURGICAL APPARATUS TO SEE THE SKIN TISSUE
DE2910454A1 (en) * 1979-02-12 1980-09-18 Inst Chirurgii Im A V Vischnev SURGICAL SEWING DEVICE FOR SEALING TUBULAR ORGANS WITH U-SHAPED METAL CLASPS
DE3002847A1 (en) * 1979-03-26 1980-10-16 Vnii Ispytatel Med Tech SURGICAL SEWING APPARATUS FOR PUTTING A SEAM MADE BY CLIPS
DE3109657A1 (en) * 1981-01-28 1982-08-12 Senco Products, Inc., 45244 Cincinnati, Ohio SURGICAL CLAMPING DEVICE
EP0087938B1 (en) * 1982-02-26 1986-09-17 Ethicon, Inc. Surgical clip applier with in-line cartridge and interruptable biased feeder
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DE3590364C2 (en) * 1984-07-27 1988-01-07 Us Surgical Copr Instrument for attaching surgical clips
DE3615405A1 (en) * 1986-05-07 1987-11-12 Diener Helmut WOUND CLIP PLIERS
EP0269226A1 (en) * 1986-11-26 1988-06-01 United States Surgical Corporation Surgical stapling instrument and transfer magazine as well as method of performing multiple stapling functions
DE3704759C1 (en) * 1987-02-16 1988-03-03 Aesculap Werke Ag Method and device for filling C-shaped scalp clips into the magazine of a scalp clip applicator
EP0323016A1 (en) * 1987-12-31 1989-07-05 United States Surgical Corporation Surgical fastener cartridge
EP0409569A1 (en) * 1989-07-18 1991-01-23 United States Surgical Corporation Apparatus for applying surgical clips in laparoscopic or endoscopic procedures

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5626586A (en) * 1994-05-05 1997-05-06 Wilo-Medizintechnik Lothar Wilberg Gmbh Pistols for setting surgical clamps
USRE38445E1 (en) 1994-05-05 2004-02-24 Tyco Healthcare Group, Lp Pistols for setting surgical clamps
EP0697198A1 (en) * 1994-08-17 1996-02-21 Aesculap Ag Surgical clip applier
US5895394A (en) * 1996-09-24 1999-04-20 Aesculap Ag & Co. Kg Surgical Applicator for U-shaped clips
WO1999026544A1 (en) * 1997-11-26 1999-06-03 Bionx Implants Oy Device for installing a tissue fastener
US6457625B1 (en) 1998-02-17 2002-10-01 Bionx Implants, Oy Device for installing a tissue fastener
US8905977B2 (en) 2004-07-28 2014-12-09 Ethicon Endo-Surgery, Inc. Surgical stapling instrument having an electroactive polymer actuated medical substance dispenser
US8317074B2 (en) 2004-07-28 2012-11-27 Ethicon Endo-Surgery, Inc. Electroactive polymer-based articulation mechanism for circular stapler
US7857183B2 (en) 2004-07-28 2010-12-28 Ethicon Endo-Surgery, Inc. Surgical instrument incorporating an electrically actuated articulation mechanism
US7862579B2 (en) 2004-07-28 2011-01-04 Ethicon Endo-Surgery, Inc. Electroactive polymer-based articulation mechanism for grasper
US7879070B2 (en) 2004-07-28 2011-02-01 Ethicon Endo-Surgery, Inc. Electroactive polymer-based actuation mechanism for grasper
US7914551B2 (en) 2004-07-28 2011-03-29 Ethicon Endo-Surgery, Inc. Electroactive polymer-based articulation mechanism for multi-fire surgical fastening instrument
US8057508B2 (en) 2004-07-28 2011-11-15 Ethicon Endo-Surgery, Inc. Surgical instrument incorporating an electrically actuated articulation locking mechanism
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