DE4403252A1 - Instrument shaft for min. invasive surgery - Google Patents
Instrument shaft for min. invasive surgeryInfo
- Publication number
- DE4403252A1 DE4403252A1 DE4403252A DE4403252A DE4403252A1 DE 4403252 A1 DE4403252 A1 DE 4403252A1 DE 4403252 A DE4403252 A DE 4403252A DE 4403252 A DE4403252 A DE 4403252A DE 4403252 A1 DE4403252 A1 DE 4403252A1
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- invasive surgery
- instrument
- outer tube
- instrument shaft
- 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- Withdrawn
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
- A61B17/28—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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0813—Accessories designed for easy sterilising, i.e. re-usable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/70—Cleaning devices specially adapted for surgical instruments
Abstract
Description
In der minimalinvasiven Chirurgie werden vorwiegend Instrumente einge setzt, die über einen langen Schaft verfügen. Diese Schäfte sind nach dem heutigen Stand der Technik in der Regel rund (es sind jedoch auch andere Querschnitte möglich), und werden mit Hilfe eines Trokars in den Körper eingeführt.Instruments are mainly used in minimally invasive surgery sets that have a long shaft. These stems are after the current state of the art is usually round (but there are also other cross sections possible), and are measured with the help of a trocar introduced the body.
Ein großes Problem, mit dem diese Instrumente behaftet sind, ist die Reinigung und Sterilisation derselben. Diese Instrumente haben zumeist sehr enge Querschnitte, die einerseits konstruktionsbedingt sind, anderer seits auch erforderlich sind, damit das Gas, mit welchem der Körper während der Operation aufgeblasen ist, nicht entströmt. Nach dem der zeitigen Stand der Technik können solche Instrumente zwar zerlegt werden, was jedoch häufig mit technisch aufwendigen Konstruktionen verbunden ist.A major problem with these instruments is that Cleaning and sterilization of the same. Most of these instruments have very narrow cross sections, which are due to the construction on the one hand, and others on the other hand are necessary so that the gas with which the body inflated during surgery, not inflated. After the In the current state of the art, such instruments can be dismantled however, which is often associated with technically complex constructions.
Die Erfindung, für die das Patent beansprucht wird, beruht darauf, daß der Schaft aus mindestens zwei Rohren besteht, wovon das innere über nahezu die gesamte Länge und den Umfang mit Löchern versehen ist. Das äußere Rohr wird während der Operation einfach über den inneren Schaft gesteckt und hinten am Griff einfach mit einer Überwurfmutter oder einem Bajonettverschluß befestigt.The invention for which the patent is claimed is based on the fact that the shaft consists of at least two tubes, of which the inner one over almost the entire length and circumference is provided with holes. The outer tube is simply placed over the inner shaft during surgery inserted and at the back of the handle simply with a union nut or Bayonet lock attached.
Zum Reinigen nach der Operation wird einfach die Überwurfmutter oder der Bajonettverschluß (siehe Zeichnung Fig. 1/3 Teil Nr. 3) geöffnet und zusam men mit dem Außenrohr (Teil 2) vom Instrumentenschaft (Teil 1) gezogen. In Fig. 1 ist das komplette Instrument zusammen mit dem Griff Teil 5 zu sehen. In Fig. 2 sieht man das wesentliche Teil der Erfindung, den inneren Schaft Teil 1 mit dem inneren Teil des Bajonettverschlusses Teil 4. In Fig. 3 ist das Außenrohr Teil 2 zusammen mit dem äußeren Teil vom Bajonett verschluß Teil 3 zu erkennen (Fig. 2 ist ohne Griff dargestellt).For cleaning after the operation, the union nut or the bayonet lock (see drawing Fig. 1/3 Part No. 3) is simply opened and pulled together with the outer tube (Part 2 ) from the instrument shaft (Part 1 ). In Fig. 1 the complete instrument can be seen together with the handle part 5 . In FIG. 2, one sees the essential part of the invention, the inner shaft member 1 with the inner part of the bayonet lock part 4. In Fig. 3 the outer tube part 2 can be seen together with the outer part of the bayonet lock part 3 ( Fig. 2 is shown without a handle).
Während der Reinigung und der anschließenden Sterilisation kann nun das jeweilige Medium ungehindert in den Instrumentenschaft eindringen und so den gesamten Innenraum des Schaftes (Innenseite von Teil 1 sowie die Zugstange von dem beweglichen Löffelmaul) erreichen. Die Schmutz partikel werden ungehindert durch die siebartige Außenwandung des Innen rohres herausgespült und der Dampf kann ungehindert eindringen. Die Erfindung ist auf der Zeichnung am Beispiel einer Löffelzange dar gestellt, ist jedoch für jedes andere Instrument der minimalinvasiven Chirurgie anwendbar.During cleaning and the subsequent sterilization, the respective medium can now penetrate the instrument shaft unhindered and thus reach the entire interior of the shaft (inside of part 1 and the pull rod of the movable spoon mouth). The dirt particles are flushed out through the sieve-like outer wall of the inner tube and the steam can penetrate unhindered. The invention is shown in the drawing using the example of a spoon forceps, but is applicable to any other instrument of minimally invasive surgery.
Als Quelle für den bisherigen technischen Stand habe ich die entsprechen den Verkaufsunterlagen der einschlägigen Hersteller sowie entsprechende Publikationen der Ärzte zugrundegelegt.As a source for the current technical status, I have the corresponding the sales documents of the relevant manufacturers as well as corresponding Publications of the doctors.
Claims (1)
dadurch gekennzeichnet, daß der Schaft auf nahezu seiner gesamten Länge am Umfang mit Löchern versehen ist,
und dadurch gekennzeichnet, daß über diesen Schaft ein Rohr geschoben wird, das die oben genannten Löcher verschließt.Shafts for instruments used in minimally invasive surgery
characterized in that the shaft is provided with holes over almost its entire length on the circumference,
and characterized in that a tube is pushed over this shaft, which closes the above holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4403252A DE4403252A1 (en) | 1994-02-03 | 1994-02-03 | Instrument shaft for min. invasive surgery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4403252A DE4403252A1 (en) | 1994-02-03 | 1994-02-03 | Instrument shaft for min. invasive surgery |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4403252A1 true DE4403252A1 (en) | 1995-08-10 |
Family
ID=6509345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4403252A Withdrawn DE4403252A1 (en) | 1994-02-03 | 1994-02-03 | Instrument shaft for min. invasive surgery |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4403252A1 (en) |
Cited By (379)
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US7879035B2 (en) | 2005-09-30 | 2011-02-01 | Covidien Ag | Insulating boot for electrosurgical forceps |
US7887536B2 (en) | 1998-10-23 | 2011-02-15 | Covidien Ag | Vessel sealing instrument |
US7909823B2 (en) | 2005-01-14 | 2011-03-22 | Covidien Ag | Open vessel sealing instrument |
US7922953B2 (en) | 2005-09-30 | 2011-04-12 | Covidien Ag | Method for manufacturing an end effector assembly |
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1994
- 1994-02-03 DE DE4403252A patent/DE4403252A1/en not_active Withdrawn
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