DE10159470B4 - Surgical instrument with anchor device at the head end - Google Patents
Surgical instrument with anchor device at the head end Download PDFInfo
- Publication number
- DE10159470B4 DE10159470B4 DE2001159470 DE10159470A DE10159470B4 DE 10159470 B4 DE10159470 B4 DE 10159470B4 DE 2001159470 DE2001159470 DE 2001159470 DE 10159470 A DE10159470 A DE 10159470A DE 10159470 B4 DE10159470 B4 DE 10159470B4
- Authority
- DE
- Germany
- Prior art keywords
- sleeve
- needles
- anchor device
- surgical instrument
- head 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.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in 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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00349—Needle-like instruments having hook or barb-like gripping means, e.g. for grasping suture or tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22034—Gripping instruments, e.g. forceps, for removing or smashing calculi for gripping the obstruction or the tissue part from inside
Abstract
Chirurgisches Instrument, – das an seinem Kopfende eine Ankervorrichtung aufweist – und das mittels eines biegsamen Führungsschlauches (6) endoskopisch mit der Ankervorrichtung voran in das Innere eines hohlen Organs einführbar ist, – wobei die Ankervorrichtung mittels einer Handhabe am anderen Ende des Instrumentes betätigbar ist, um die Ankervorrichtung in eine am Kopfende des Instrumentes vorhandene Hülse einzuziehen oder aus dieser auszufahren, – dass die Ankervorrichtung durch zwei oder mehrere elastisch verformbare Nadeln (3) gebildet ist, die sich in Richtung des Kopfendes der Hülse (5) von einem Grundkörper (4) hinwegerstrecken, der im Inneren der Hülse axial verfahbar gelagert ist – dass die Nadeln (3) beim axialen Zurückfahren des Grundkörpers (4) vollständig in die Hülse (5) eingezogen werden und dabei elastisch verformbar und im Inneren der Hülse (5) im Wesentlichen achsparallel ausgerichtet und positioniert sind – und dass die Nadeln (3) beim Vorfahren des Grundkörpers...Surgical instrument, - which has an anchor device at its head end - and which can be inserted endoscopically into the interior of a hollow organ with the anchor device first by means of a flexible guide tube (6), - the anchor device being actuable by means of a handle at the other end of the instrument, in order to pull the anchor device into or extend it from a sleeve provided at the head end of the instrument, - that the anchor device is formed by two or more elastically deformable needles (3) which extend in the direction of the head end of the sleeve (5) from a base body (4 ) stretch away, which is mounted in the interior of the sleeve so that it can be moved axially - that the needles (3) are completely retracted into the sleeve (5) when the base body (4) is axially retracted, thereby being elastically deformable and essentially inside the sleeve (5) are aligned and positioned axially parallel - and that the needles (3) during the advance the body ...
Description
Die Erfindung betrifft ein Instrument, das an seinem Kopfende eine Greifvorrichtung aufweist und das vorzugsweise als chirurgisches Instrument mittels eines biegsamen Führungsschlauches endoskopisch mit der Greifvorrichtung voran in das Innere eines hohlen Organs einführbar ist, wobei die Greifvorrichtung mittels einer Handhabe am anderen Ende des Instrumentes betätigbar ist, indem die Greifvorrichtung in eine am Kopfende des Instrumentes vorhandene Hülse eingezogen oder aus dieser ausgefahren wird.The invention relates to an instrument which has a gripping device at its head end and which is preferably endoscopically introduced as a surgical instrument by means of a flexible guide tube with the gripping device into the interior of a hollow member, wherein the gripping device is actuated by means of a handle at the other end of the instrument in that the gripping device is pulled into or out of a sleeve provided at the head of the instrument.
Alle in der Technik schlechthin und in der chirurgischen Praxis gängigen Greifvorrichtungen bestehen aus zwei- oder mehrarmigen Mechanismen, die den zu ergreifenden Zielgegenstand bzw. das zu ergreifende Zielgewebe von außen übergreifen und beim Schließen der Greifvorrichtung festhalten. Bei chirurgischen Instrumenten ist es bekannt, die Greifvorrichtung am Kopfende einer Hülse zu positionieren, und die Greifarme durch Einziehen der Greifvorrichtung in die am Kopfende des Instrumentes vorhandene Hülse zu schließen. Das geschieht üblicherweise mittels einer Handhabe am anderen Ende des Instrumentes, die mittels eines Zug-Druck-Drahtes oder mittels eines einfachen Zugdrahtes in An eines Bowdenzuges mit der Greifvorrichtung verbunden ist.All common in the art and common in surgical practice gripping devices consist of two- or multi-arm mechanisms that overlap the target to be taken or the target tissue to be taken from the outside and hold when closing the gripping device. In surgical instruments, it is known to position the gripping device at the head of a sleeve, and to close the gripping arms by pulling the gripping device into the existing at the head of the instrument sleeve. This is usually done by means of a handle at the other end of the instrument, which is connected by means of a train-pressure wire or by means of a simple pull wire in to a Bowden cable with the gripping device.
Solche Greifvorrichtungen arbeiten aus chirurgischer Sicht dann nicht zufriedenstellend, wenn das zu ergreifende Zielgewebe krankhaft verändert oder in der Oberfläche glatt und/oder organbedingt gleitend ist. Das Ergreifen und Festhalten des Zielgewebes ist dann schwierig und unsicher.Such gripping devices do not work satisfactorily from a surgical point of view if the target tissue to be grasped is altered morbidly or is slippery and / or organically sliding in the surface. The grasping and holding of the target tissue is then difficult and uncertain.
Aus der
Des weiteren ist beispielsweise gemäß der
Aufgabe der Erfindung ist es, ein verbessertes Instrument der gattungsgemäßen Art vorzuschlagen, das insbesondere in der chirurgischen Praxis ein sicheres Erfassen und Festhalten des jeweiligen Zielgewebes gewährleistet.The object of the invention is to propose an improved instrument of the generic type, which ensures a secure capture and retention of the respective target tissue, especially in surgical practice.
Diese Aufgabe wird erfindungsgemäß durch ein chirurgisches Instrument mit den Merkmalen des Anspruches 1 gelöst.This object is achieved by a surgical instrument having the features of claim 1.
Die Ankervorrichtung des neuen Instruments ist vorzugsweise mit drei Nadeln auszuführen, die relativ zueinander um jeweils 120° versetzt angeordnet sind. Für Sonderfälle sind auch Greifvorrichtungen mit zwei Nadeln möglich.The anchor device of the new instrument is preferably designed with three needles, which are arranged offset relative to each other by 120 °. For special cases, gripping devices with two needles are also possible.
Die Nadeln der Greifvorrichtung müssen gemäß der Lehre der Erfindung aus einem elastischen Material gefertigt sein. Gemäß Anspruch 2 eignen sich grundsätzlich alle sogenannten Formgedächtnislegierungen, die in dem Anwendungstemperaturbereich superelastische Eigenschaften aufweisen. Insbesondere gilt dies für NiTi-Legierungen. Nadeln aus diesen Legierungen sind extrem elastisch biegsam und können bei entsprechenden Materialabmessungen auch mit sehr geringer Kraft in die kopfseilige Hülse des Instrumentes eingezogen werden.The needles of the gripping device must be made according to the teachings of the invention made of an elastic material. According to claim 2, in principle all so-called shape memory alloys which have superelastic properties in the application temperature range are suitable. This applies in particular to NiTi alloys. Needles made of these alloys are extremely flexible and elastic can be fed with corresponding material dimensions with very little force in the head sleeve of the instrument.
Die Geometrie der Nadelenden in ihrer entlasteten Ursprungsform ist so zu wählen, dass sie in das Zielgewebe möglichst tangential einstechen, damit vollständige Durchstechungen (Perforationen) des Zielgewebes vermieden werden.The geometry of the needle ends in their unloaded original form should be chosen so that they pierce the target tissue as tangentially as possible, so that complete perforations (perforations) of the target tissue can be avoided.
Sobald die Ankervorrichtung des chirurgischen Instruments in dem Zielgewebe ”verankert” ist, kann dieses mittels des Instrumentes verschoben oder in jede gewünschte Position angehoben werden, was bei chirurgischen Eingriffen und Begutachtungen von besonderem Vorteil ist.Once the anchor device of the surgical instrument is "anchored" in the target tissue, it can be translated by means of the instrument or raised to any desired position, which is of particular advantage in surgical procedures and assessments.
Gemäß Anspruch 5 können die Nadeln der Ankervorrichtung auch mit zusätzlichen Befestigungsvorrichtungen zum lösbaren Befestigen von Adaptern versehen sein. Solche Adapier können z. B. Hilfsinstrumente oder zusätzliche Bewegungshilfen sein, aber auch Kapseln o. dergl. zur medikamentösen Versorgung des jeweiligen Zielgewebes.According to
Die Ankervorrichtung kann auch für eine Dauerbefestigung von Adaptern an einem Zielgewebe verwendet werden, und zu diesem Zweck sieht Anspruch 4 vor, dass die Nadeln mit dem Grundkörper, von dem sie sich hinwegerstrecken, einstückig ausgebildet sind und dass diese Baueinheit vom Kopfende des Instrumentes lösbar und mit dem Kopfende wieder verbindbar ist.The anchor device may also be used for permanent attachment of adapters to a target tissue, and to this end,
Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand der Zeichnungen näher beschrieben. Es zeigen:Hereinafter, an embodiment of the invention will be described in more detail with reference to the drawings. Show it:
Dargestellt ist eine Greifvorrichtung gemäß der Erfindung mit drei Nadeln
Die Hülse befindet sich am Kopfende eines chirurgischen Instrumentes, das mittels des biegsamen, spiralgestützten Führungsschlauches
Dabei ist wesentlich, dass das Elastizitätsverhalten der Nadeln dafür sorgt, dass diese beim Vorfahren des Grundkörpers
Das Vorfahren und Zurückfahren des Grundkörpers
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE2001159470 DE10159470B4 (en) | 2001-12-04 | 2001-12-04 | Surgical instrument with anchor device at the head end |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE2001159470 DE10159470B4 (en) | 2001-12-04 | 2001-12-04 | Surgical instrument with anchor device at the head end |
Publications (2)
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DE10159470A1 DE10159470A1 (en) | 2003-06-12 |
DE10159470B4 true DE10159470B4 (en) | 2012-12-13 |
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ID=7707953
Family Applications (1)
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DE2001159470 Expired - Lifetime DE10159470B4 (en) | 2001-12-04 | 2001-12-04 | Surgical instrument with anchor device at the head end |
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8333776B2 (en) | 2005-05-20 | 2012-12-18 | Neotract, Inc. | Anchor delivery system |
US8343187B2 (en) | 2005-05-20 | 2013-01-01 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US8394110B2 (en) | 2005-05-20 | 2013-03-12 | Neotract, Inc. | Apparatus and method for manipulating or retracting tissue and anatomical structure |
US8394113B2 (en) | 2005-05-20 | 2013-03-12 | Neotract, Inc. | Coiled anchor device |
US8425535B2 (en) | 2005-05-20 | 2013-04-23 | Neotract, Inc. | Multi-actuating trigger anchor delivery system |
US8454655B2 (en) | 2002-03-14 | 2013-06-04 | Neotract, Inc. | Method for anchoring suture and approximating tissue |
US8491606B2 (en) | 2005-05-20 | 2013-07-23 | Neotract, Inc. | Median lobe retraction apparatus and method |
US8529584B2 (en) | 2005-05-20 | 2013-09-10 | Neotract, Inc. | Median lobe band implant apparatus and method |
US8603106B2 (en) | 2005-05-20 | 2013-12-10 | Neotract, Inc. | Integrated handle assembly for anchor delivery system |
US8628542B2 (en) | 2005-05-20 | 2014-01-14 | Neotract, Inc. | Median lobe destruction apparatus and method |
US8668705B2 (en) | 2005-05-20 | 2014-03-11 | Neotract, Inc. | Latching anchor device |
US8758366B2 (en) | 2007-07-09 | 2014-06-24 | Neotract, Inc. | Multi-actuating trigger anchor delivery system |
US8834492B2 (en) | 2005-05-20 | 2014-09-16 | Neotract, Inc. | Continuous indentation lateral lobe apparatus and method |
US8940001B2 (en) | 2005-05-20 | 2015-01-27 | Neotract, Inc. | Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures |
US8945152B2 (en) | 2005-05-20 | 2015-02-03 | Neotract, Inc. | Multi-actuating trigger anchor delivery system |
US9034001B2 (en) | 2005-05-20 | 2015-05-19 | Neotract, Inc. | Slotted anchor device |
US9149266B2 (en) | 2005-05-20 | 2015-10-06 | Neotract, Inc. | Deforming anchor device |
CN108289659A (en) * | 2015-11-25 | 2018-07-17 | 爪医疗有限公司 | Tissue engaging device, system and method |
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DE102005041093A1 (en) | 2005-05-13 | 2006-11-30 | Ovesco Endoscopy Gmbh | Medical device for altering the shape of human hollow organs |
US10925587B2 (en) | 2005-05-20 | 2021-02-23 | Neotract, Inc. | Anchor delivery system |
US7909836B2 (en) | 2005-05-20 | 2011-03-22 | Neotract, Inc. | Multi-actuating trigger anchor delivery system |
US9364212B2 (en) | 2005-05-20 | 2016-06-14 | Neotract, Inc. | Suture anchoring devices and methods for use |
US8157815B2 (en) | 2005-05-20 | 2012-04-17 | Neotract, Inc. | Integrated handle assembly for anchor delivery system |
US9549739B2 (en) | 2005-05-20 | 2017-01-24 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US10195014B2 (en) | 2005-05-20 | 2019-02-05 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US9504461B2 (en) | 2005-05-20 | 2016-11-29 | Neotract, Inc. | Anchor delivery system |
US20090030446A1 (en) * | 2007-07-25 | 2009-01-29 | Measamer John P | Tissue Manipulator |
WO2010014821A2 (en) | 2008-07-30 | 2010-02-04 | Neotract, Inc. | Anchor delivery system with replaceable cartridge |
DE102009001278A1 (en) | 2009-03-02 | 2010-09-09 | Tuebingen Scientific Medical Gmbh | Medical instrument, for surgery with minimal invasion or endoscopy, has a swing shaft or instrument housing at the distal end of a shaft in a two-part structure |
US9161749B2 (en) | 2011-04-14 | 2015-10-20 | Neotract, Inc. | Method and apparatus for treating sexual dysfunction |
US10292801B2 (en) | 2012-03-29 | 2019-05-21 | Neotract, Inc. | System for delivering anchors for treating incontinence |
US10130353B2 (en) | 2012-06-29 | 2018-11-20 | Neotract, Inc. | Flexible system for delivering an anchor |
DE102013212448A1 (en) | 2013-06-27 | 2014-12-31 | Olympus Winter & Ibe Gmbh | Guide catheter with anchoring mechanism and method for inserting a guide catheter |
JP7150871B2 (en) | 2017-12-23 | 2022-10-11 | テレフレックス ライフ サイエンシズ リミテッド | Expandable tissue engagement device and method |
DK3989844T3 (en) | 2020-08-03 | 2023-10-30 | Teleflex Life Sciences Ltd | Handle and cartridge system for medical inventions |
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Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8454655B2 (en) | 2002-03-14 | 2013-06-04 | Neotract, Inc. | Method for anchoring suture and approximating tissue |
US8777992B2 (en) | 2002-03-14 | 2014-07-15 | Neotract, Inc. | Methods for anchoring suture and approximating tissue |
US8734468B2 (en) | 2005-05-20 | 2014-05-27 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US8425535B2 (en) | 2005-05-20 | 2013-04-23 | Neotract, Inc. | Multi-actuating trigger anchor delivery system |
US8333776B2 (en) | 2005-05-20 | 2012-12-18 | Neotract, Inc. | Anchor delivery system |
US8343187B2 (en) | 2005-05-20 | 2013-01-01 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US8491606B2 (en) | 2005-05-20 | 2013-07-23 | Neotract, Inc. | Median lobe retraction apparatus and method |
US8529584B2 (en) | 2005-05-20 | 2013-09-10 | Neotract, Inc. | Median lobe band implant apparatus and method |
US8603106B2 (en) | 2005-05-20 | 2013-12-10 | Neotract, Inc. | Integrated handle assembly for anchor delivery system |
US8628542B2 (en) | 2005-05-20 | 2014-01-14 | Neotract, Inc. | Median lobe destruction apparatus and method |
US8663243B2 (en) | 2005-05-20 | 2014-03-04 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US8668705B2 (en) | 2005-05-20 | 2014-03-11 | Neotract, Inc. | Latching anchor device |
US8715298B2 (en) | 2005-05-20 | 2014-05-06 | Neotract, Inc. | Apparatus and method for manipulating or retracting tissue and anatomical structure |
US8715239B2 (en) | 2005-05-20 | 2014-05-06 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US9402711B2 (en) | 2005-05-20 | 2016-08-02 | Neotract, Inc. | Median lobe band implant apparatus and method |
US8394113B2 (en) | 2005-05-20 | 2013-03-12 | Neotract, Inc. | Coiled anchor device |
US8394110B2 (en) | 2005-05-20 | 2013-03-12 | Neotract, Inc. | Apparatus and method for manipulating or retracting tissue and anatomical structure |
US8834492B2 (en) | 2005-05-20 | 2014-09-16 | Neotract, Inc. | Continuous indentation lateral lobe apparatus and method |
US8888799B2 (en) | 2005-05-20 | 2014-11-18 | Neotract, Inc. | Coiled anchor device |
US8900252B2 (en) | 2005-05-20 | 2014-12-02 | Neotract, Inc. | Devices, systems and methods for treating benign prostatic hyperplasia and other conditions |
US8936609B2 (en) | 2005-05-20 | 2015-01-20 | Neotract, Inc. | Apparatus and method for manipulating or retracting tissue and anatomical structure |
US8940001B2 (en) | 2005-05-20 | 2015-01-27 | Neotract, Inc. | Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures |
US8939996B2 (en) | 2005-05-20 | 2015-01-27 | Neotract, Inc. | Anchor delivery System |
US8945152B2 (en) | 2005-05-20 | 2015-02-03 | Neotract, Inc. | Multi-actuating trigger anchor delivery system |
US9034001B2 (en) | 2005-05-20 | 2015-05-19 | Neotract, Inc. | Slotted anchor device |
US9149266B2 (en) | 2005-05-20 | 2015-10-06 | Neotract, Inc. | Deforming anchor device |
US8758366B2 (en) | 2007-07-09 | 2014-06-24 | Neotract, Inc. | Multi-actuating trigger anchor delivery system |
CN108289659A (en) * | 2015-11-25 | 2018-07-17 | 爪医疗有限公司 | Tissue engaging device, system and method |
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R081 | Change of applicant/patentee |
Owner name: OVESCO ENDOSCOPY AG, DE Free format text: FORMER OWNER: OVESCO ENDOSCOPY GMBH, 72074 TUEBINGEN, DE Effective date: 20131015 |
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R082 | Change of representative |
Representative=s name: WINTER, BRANDL, FUERNISS, HUEBNER, ROESS, KAIS, DE Effective date: 20130426 Representative=s name: WINTER, BRANDL, FUERNISS, HUEBNER, ROESS, KAIS, DE Effective date: 20131015 |
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R082 | Change of representative |
Representative=s name: WINTER, BRANDL - PARTNERSCHAFT MBB, PATENTANWA, DE Representative=s name: WINTER, BRANDL, FUERNISS, HUEBNER, ROESS, KAIS, DE |
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R071 | Expiry of right |