DE4403252A1 - Instrument shaft for min. invasive surgery - Google Patents

Instrument shaft for min. invasive surgery

Info

Publication number
DE4403252A1
DE4403252A1 DE19944403252 DE4403252A DE4403252A1 DE 4403252 A1 DE4403252 A1 DE 4403252A1 DE 19944403252 DE19944403252 DE 19944403252 DE 4403252 A DE4403252 A DE 4403252A DE 4403252 A1 DE4403252 A1 DE 4403252A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
shaft
surgery
tube
instrument
outer
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Withdrawn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
DE19944403252
Other languages
German (de)
Inventor
Michael Hauser
Original Assignee
Michael Hauser
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

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0046Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, 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
    • A61B90/08Accessories or related features not otherwise provided for
    • A61B2090/0813Accessories designed for easy sterilising, i.e. re-usable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, 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
    • A61B90/70Cleaning devices specially adapted for surgical instruments

Abstract

The surgical instrument has a peripherally perforated tubular shaft (1). A tube (2) is fitted on the outside of the shaft covering the peripheral shaft holes. The outer tube is inserted for the actual surgery. For cleansing after surgery a nut (3) or a bayonet closure is loosened and removed together with the outer tube. The instrument has a distal end handle (5). The design permits proper cleaning and sterilising.

Description

In der minimalinvasiven Chirurgie werden vorwiegend Instrumente einge setzt, die über einen langen Schaft verfügen. In minimally invasive surgery instruments are mainly incorporated sets that have a long shaft. 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. These shafts are using state of the art usually around (but also other cross sections are possible), and are introduced by means of a trocar into the body.

Ein großes Problem, mit dem diese Instrumente behaftet sind, ist die Reinigung und Sterilisation derselben. A major problem with these instruments are subject, is the cleaning and sterilization of the same. 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. These instruments usually have very narrow cross sections, on the one hand by design, on the other hand are also required for the gas with which the body is inflated during the operation, not flows out. Nach dem der zeitigen Stand der Technik können solche Instrumente zwar zerlegt werden, was jedoch häufig mit technisch aufwendigen Konstruktionen verbunden ist. After the early prior art, such instruments can be broken though, but this 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. The invention, for which the patent is claimed, based on the fact that the shaft consists of at least two tubes, of which the inner is provided over nearly the entire length and circumference with holes. 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 outer tube is inserted during surgery simply over the inner shaft and rear easily attached to the handle with a union nut or a bayonet lock.

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. For cleaning after the operation, the union nut or a bayonet closure is easy (see drawing Figs. 1/3 part no. 3) is opened and men together with the outer tube (Part 2) drawn from the instrument shaft (Part 1). In Fig. 1 ist das komplette Instrument zusammen mit dem Griff Teil 5 zu sehen. In FIG. 1, the complete instrument can be seen together with the handle part 5. 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. 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 ist das Außenrohr Teil 2 zusammen mit dem äußeren Teil vom Bajonett verschluß Teil 3 zu erkennen ( Fig. 2 ist ohne Griff dargestellt). In Fig. 3 the outer tube part 2 together with the outer part of the bayonet closure part 3 can be seen (Fig. 2 is shown without the 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. During cleaning and subsequent sterilization, the respective medium can now freely penetrate into the instrument shaft and reach as the entire interior of the shaft (inside of part 1 and the pull rod from the movable jaw spoon). Die Schmutz partikel werden ungehindert durch die siebartige Außenwandung des Innen rohres herausgespült und der Dampf kann ungehindert eindringen. The dirt particles are flushed out freely through the screen-like outer wall of the inner tube and the steam can penetrate without hindrance. Die Erfindung ist auf der Zeichnung am Beispiel einer Löffelzange dar gestellt, ist jedoch für jedes andere Instrument der minimalinvasiven Chirurgie anwendbar. The invention is provided on the drawing the example of a spoon forceps is, but is applicable for 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 the source of the previous state of the art I have the match based on the sales documents of the relevant manufacturer and corresponding publications of doctors.

Claims (1)

  1. Schäfte für Instrumente, die in der minimalinvasiven Chirurgie verwendet werden, Shanks for instruments used in minimally invasive surgery,
    dadurch gekennzeichnet, daß der Schaft auf nahezu seiner gesamten Länge am Umfang mit Löchern versehen ist, characterized in that the shaft is provided on almost its entire length on the periphery with holes,
    und dadurch gekennzeichnet, daß über diesen Schaft ein Rohr geschoben wird, das die oben genannten Löcher verschließt. and characterized in that a pipe is pushed over this shaft, which closes the holes mentioned above.
DE19944403252 1994-02-03 1994-02-03 Instrument shaft for min. invasive surgery Withdrawn DE4403252A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19944403252 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
DE19944403252 DE4403252A1 (en) 1994-02-03 1994-02-03 Instrument shaft for min. invasive surgery

Publications (1)

Publication Number Publication Date
DE4403252A1 true true DE4403252A1 (en) 1995-08-10

Family

ID=6509345

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19944403252 Withdrawn DE4403252A1 (en) 1994-02-03 1994-02-03 Instrument shaft for min. invasive surgery

Country Status (1)

Country Link
DE (1) DE4403252A1 (en)

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