DE202005021068U1 - Surgical gripping or cutting tool, comprises gripping or cutting elements and joint area separately made of different material - Google Patents
Surgical gripping or cutting tool, comprises gripping or cutting elements and joint area separately made of different material Download PDFInfo
- Publication number
- DE202005021068U1 DE202005021068U1 DE202005021068U DE202005021068U DE202005021068U1 DE 202005021068 U1 DE202005021068 U1 DE 202005021068U1 DE 202005021068 U DE202005021068 U DE 202005021068U DE 202005021068 U DE202005021068 U DE 202005021068U DE 202005021068 U1 DE202005021068 U1 DE 202005021068U1
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- sections
- gripping
- surgical
- joint
- section
- Prior art date
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- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
-
- 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
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00473—Distal part, e.g. tip or head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00477—Coupling
-
- 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
- A61B2017/2926—Details of heads or jaws
-
- 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
- A61B2017/2926—Details of heads or jaws
- A61B2017/2931—Details of heads or jaws with releasable head
-
- 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
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2939—Details of linkages or pivot points
- A61B2017/294—Connection of actuating rod to jaw, e.g. releasable
-
- 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
- A61B2017/2926—Details of heads or jaws
- A61B2017/2945—Curved jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
- A61B2018/1432—Needle curved
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1495—Electrodes being detachable from a support structure
Abstract
Description
Die Erfindung betrifft ein chirurgisches Maulinstrument der im Oberbegriff des Anspruchs 1 genannten Art.The The invention relates to a surgical jaw instrument in the preamble of claim 1 type.
Solche Maulinstrumente sind in unterschiedlichen Ausführungsformen bekannt. Sie werden in der offenen Chirurgie in der Grundform einer Haushaltsschere oder einer Werkzeugzange verwendet. In Ausführung für die endoskopische Chirurgie bzw. Laparoskopie sitzt das Maul an einem langgestreckten Schaft und wird z.B. über eine Betätigungsstange von am proximalen Ende des Schaftes angeordneten beweglichen Handgriffen betätigt. Sie dienen in der Chirurgie als Zangen zum Halten während einer Operation. Mit Zangen kann z.B. auch genäht werden. Zangen werden auch mit Hochfrequenzbeaufschlagung verwendet, insbesondere als bipolare Zangen, bei denen die beiden Maulteile an unterschiedliche Pole ei ner Hochfrequenzquelle angeschlossen sind, um zwischen den Maulteilen gefasstes Gewebe zu koagulieren. In Ausführung als Scheren dienen die Maulinstrumente zum Zerschneiden von Gewebe, wobei Scheren auch mit Hochfrequenzbeaufschlagung verwendet werden, insbesondere in bipolarer Ausführung, um Gewebe leichter und unter sofortiger Koagulation zu schneiden.Such Foot instruments are known in different embodiments. you will be in open surgery in the basic form of a household scissors or a tool tongs used. In execution for endoscopic surgery or laparoscopy, the mouth sits on an elongated shaft and is used e.g. above an actuating rod of arranged at the proximal end of the shaft movable handles actuated. They serve as pliers in surgery during a surgery Surgery. With pliers, e.g. also be sewn. Pliers are too used with Hochfrequenzbeaufschlagung, especially as a bipolar Pliers in which the two jaw parts to different poles A high frequency source is connected to the jaws coagulated tissue. The jaw instruments are used as scissors for cutting tissue, with scissors also with Hochfrequenzbeaufschlagung used, especially in bipolar design, to make tissues lighter and more flexible to cut under immediate coagulation.
Bekannte gattungsgemäße Maulinstrumente weisen einstückige Maulteile auf, die im Arbeitsabschnitt im Falle einer Schere mit einer Schneide und im Falle einer Zange mit einer Greiffläche ausgebildet sind. Die Gelenkabschnitte sind in meist komplizierter Weise als Lagerstellen, z.B. mit Zapfen oder Bohrungen, geformt und im Falle beispielsweise bipolarer Zangen gegeneinander isoliert ausgebildet.Known have generic mouth instruments one-piece Jaws that are in the working section in the event of a scissors with a cutting edge and in the case of a pair of pliers with a gripping surface are formed. The joint sections are in most complicated ways as bearing points, e.g. with pins or holes, shaped and in the case, for example bipolar forceps insulated against each other.
Dabei sind die Anforderungen an die beiden Abschnitte eines Maulteiles sehr unterschiedlich. Beim Gelenkabschnitt muss angesichts der erforderlichen, sehr geringen Außendurchmesser und der erforderlichen Lagerungsgenauigkeit hochpräzise gefertigt werden, wobei die Anforderungen wachsen, wenn im Falle einer bipolaren Zange das Isolierproblem hinzukommt. Dagegen sind beim Arbeitsabschnitt die Anforderungen bei der Fertigungsgenauigkeit wesentlich geringer. Hier tritt aber das Problem auf, dass Zangen und auch Scheren zumeist im Arbeitsabschnitt in einer großen Zahl von Varianten gefertigt werden müssen. Sowohl bei Zangen als auch bei Scheren werden Arbeitsabschnitte mit kurzer Länge und auch mit großer Länge gefordert sowie mit gerader und gebogener Formgebung. Bei Zangen kommen noch unterschiedliche Profilgebungen in der Greiffläche hinzu, die von den Ärzten je nach Anwendungsfall verlangt werden.there are the requirements for the two sections of a jaw part very different. At the joint section, given the required, very small outside diameter and the required storage accuracy manufactured with high precision be, with the requirements grow, if in the case of bipolar Pliers the insulation problem is added. By contrast, the working section the requirements in terms of manufacturing accuracy significantly lower. Here, however, the problem arises that pliers and scissors mostly manufactured in the working section in a large number of variants Need to become. Both pliers and scissors become work sections short length and also with big ones Length required as well as with straight and curved shape. Pliers are still coming different profiling in the gripping area added by the doctors ever be requested according to application.
Bei den bekannten einstückigen Maulteilen gestaltet sich daher die Fertigung sehr aufwendig, da unterschiedlich geformte Maulteile mit hinsichtlich der hochgenauen Ausbildung der Gelenkabschnitte erforderlicher Präzision gefertigt werden müssen. Es müssen also relativ kleine Stückzahlen mit sehr hoher Präzision gefertigt werden, was die Produktionskosten stark erhöht.at the well-known one-piece Mouth parts, therefore, the production is very complex, because different Molded jaws with respect to the highly accurate training of Joint sections required precision must be made. So it has to be relatively small quantities with very high precision be manufactured, which greatly increases the cost of production.
Die Aufgabe der vorliegenden Erfindung besteht darin, ein chirurgisches Maulinstrument der eingangs genannten Art zu schaffen, bei dem die Fertigungskosten geringer sind.The Object of the present invention is a surgical Foot instrument of the type mentioned above, in which the Production costs are lower.
Diese
Aufgabe wird mit den Merkmalen des Anspruches 1 gelöst:
Erfindungsgemäß besteht
ein Maulteil aus zwei Abschnitten, die getrennt ausgebildet und
aneinander befestigt sind. Dies hat den wesentlichen Vorteil, dass
die Abschnitte gesondert gefertigt werden können. Bei den Arbeitsabschnitten
kann je nach Ausbildung als Zange oder Schere sowie nach speziell
verlangter Formgebung die Fertigungsqualität deutlich geringer sein. Die
sehr präzise
auszubildenden Gelenkabschnitte sind gesondert gefertigt und es
ist vor allem möglich,
einen in großer
Serie gefertigten Gelenkabschnitt für alle unterschiedlichen Arbeitsabschnitte
zu verwenden. Dadurch lassen sich die Gesamtherstellungskosten deutlich
senken.This object is achieved with the features of claim 1:
According to the invention, a jaw part consists of two sections, which are formed separately and fastened to one another. This has the significant advantage that the sections can be made separately. Depending on the training as a pair of pliers or scissors as well as specially required shaping, the manufacturing quality can be significantly lower in the work sections. The very precisely designed joint sections are made separately and it is especially possible to use a manufactured in large series joint section for all different working sections. This can significantly reduce the overall production costs.
Die beiden Abschnitte können aus demselben Material bestehen, bestehen vorteilhaft jedoch gemäß Anspruch 2 aus unterschiedlichen Materialien. Die Gelenkabschnitte können zum Beispiel aus besonders gut spanbarem Stahl bestehen, während die Arbeitsabschnitte zum Beispiel als Gussteile oder Sinterteile hergestellt werden und im Material dafür optimiert sind. Auch hierdurch können wiederum Kosten gespart werden.The both sections can consist of the same material, but are advantageous according to claim 2 of different materials. The joint sections can for Example consist of particularly good spanbarem steel, while the Working sections made for example as castings or sintered parts and optimized in the material for it are. Also by this can In turn, costs are saved.
An der Befestigungsstelle können die Abschnitte z.B. stumpf aneinander befestigt werden. Vorteilhaft sind jedoch die Merkmale des Anspruches 3 vorgese hen. Ein Formschlusssteckeingriff sichert die Befestigungsstelle vor der Endverbindung und erleichtert die Montage.At the attachment point can the sections e.g. be stumped together. Advantageous However, the features of claim 3 are vorgese hen. A positive locking engagement secures the attachment site from the end connection and facilitates the assembly.
Die Befestigungsstelle kann beispielsweise als Klemmverbindung, beispielsweise mittels des Formschlusssteckeingriffes ausgebildet sein. Sie kann beispielsweise auch als Schraubverbindung ausgebildet sein. Vorteilhaft sind jedoch die Merkmale des Anspruches 4 vorgesehen. Durch Schweißen, Löten oder Kleben können die Abschnitte mit der erforderlichen hohen Festigkeit verbunden werden, gegebenenfalls nach vorheriger Herstellung eines Formschlusseingriffes, der die Abschnitte während des Verbindungsvorganges aneinander sichert.The Fixing point, for example, as a clamping connection, for example be formed by means of the positive locking engagement. she can for example, be designed as a screw connection. Advantageous However, the features of claim 4 are provided. By welding, soldering or Can stick the sections associated with the required high strength optionally after prior production of a positive engagement, the sections during the Securing connection process to each other.
In der Zeichnung ist die Erfindung beispielsweise und schematisch dargestellt. Es zeigen:In the drawing, the invention is for example and shown schematically. Show it:
Das
Ende eines Schaftrohres
An
der Befestigungsstelle
Wie
Am
nicht dargestellten proximalen Ende des Schaftrohres
Da
bei allen gezeigten Ausführungsformen die
Arbeitsabschnitte
Die
gesondert gefertigten Arbeitsabschnitte können auf andere Weise hergestellt
werden, z.B. als Gussteile, als Sinterteile oder dergleichen bzw.
in unterschiedlicher Formgebung, z.B. entsprechend den in den
Im
dargestellten Ausführungsbeispiel
ist dargestellt, dass zur Herstellung des Formschlusssteckeingriffes
an der Befestigungsstelle
Anders, als in den Figuren dargestellt, kann auch eines der beiden Maulteile gegenüber dem Schaft feststehend ausgebildet sein. Ferner kann auch nur eines der Maulteile mit der erfindungsgemäßen Abschnittsteilung ausgebildet sein kann, während im anderen Maulteil die beiden Abschnitte in bekannter Weise einstükkig sind.Differently, as shown in the figures, also one of the two jaw parts opposite the Shank be formed stationary. Furthermore, only one of the jaw parts can be formed with the section division according to the invention, while in the other jaw part, the two sections are einstükkig in a known manner.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202005021068U DE202005021068U1 (en) | 2005-10-25 | 2005-10-25 | Surgical gripping or cutting tool, comprises gripping or cutting elements and joint area separately made of different material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510051367 DE102005051367A1 (en) | 2005-10-25 | 2005-10-25 | Surgical jaw instrument e.g. for endoscopic surgery, has two joints having angle which can be moved relative to each other with bearing has joint section and far working section such as surgical muzzle instrument |
DE202005021068U DE202005021068U1 (en) | 2005-10-25 | 2005-10-25 | Surgical gripping or cutting tool, comprises gripping or cutting elements and joint area separately made of different material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE202005021068U1 true DE202005021068U1 (en) | 2007-02-15 |
Family
ID=37905391
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510051367 Withdrawn DE102005051367A1 (en) | 2005-10-25 | 2005-10-25 | Surgical jaw instrument e.g. for endoscopic surgery, has two joints having angle which can be moved relative to each other with bearing has joint section and far working section such as surgical muzzle instrument |
DE202005021068U Expired - Lifetime DE202005021068U1 (en) | 2005-10-25 | 2005-10-25 | Surgical gripping or cutting tool, comprises gripping or cutting elements and joint area separately made of different material |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510051367 Withdrawn DE102005051367A1 (en) | 2005-10-25 | 2005-10-25 | Surgical jaw instrument e.g. for endoscopic surgery, has two joints having angle which can be moved relative to each other with bearing has joint section and far working section such as surgical muzzle instrument |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE102005051367A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020119300A1 (en) | 2020-07-22 | 2022-01-27 | Karl Storz Se & Co. Kg | Surgical instrument tool, endoscopic instrument and method of making a surgical instrument tool |
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US6293954B1 (en) * | 1999-06-21 | 2001-09-25 | Novare Surgical Systems, Inc. | Surgical clamp with replaceable clamp members |
EP2269521B1 (en) * | 2003-11-12 | 2015-04-15 | Applied Medical Resources Corporation | Overmolded grasper jaw |
-
2005
- 2005-10-25 DE DE200510051367 patent/DE102005051367A1/en not_active Withdrawn
- 2005-10-25 DE DE202005021068U patent/DE202005021068U1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102020119300A1 (en) | 2020-07-22 | 2022-01-27 | Karl Storz Se & Co. Kg | Surgical instrument tool, endoscopic instrument and method of making a surgical instrument tool |
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