WO1989004238A1 - Handle with coupling and interchangeable tool for coupling with same - Google Patents

Handle with coupling and interchangeable tool for coupling with same Download PDF

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Publication number
WO1989004238A1
WO1989004238A1 PCT/CH1988/000164 CH8800164W WO8904238A1 WO 1989004238 A1 WO1989004238 A1 WO 1989004238A1 CH 8800164 W CH8800164 W CH 8800164W WO 8904238 A1 WO8904238 A1 WO 8904238A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupling part
tool
bore
coupling
handle
Prior art date
Application number
PCT/CH1988/000164
Other languages
German (de)
French (fr)
Inventor
Marcel Burkart
Original Assignee
Chevalier Ag
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 Chevalier Ag filed Critical Chevalier Ag
Publication of WO1989004238A1 publication Critical patent/WO1989004238A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B25G3/12—Locking and securing devices
    • B25G3/26—Locking and securing devices comprising nails, screws, bolts, or pins traversing or entering the socket
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1659—Surgical rasps, files, planes, or scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B25G3/12—Locking and securing devices
    • B25G3/28—Locking and securing devices comprising wedges, keys, or like expanding means
    • 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

Definitions

  • the invention relates to a handle with a clutch and with this interchangeably couplable tool, which is used for machining surfaces, must be interchangeable with another tool and can be operated by hand with great effort.
  • a handle that is too extensive with both hands is necessary, which should be able to be coupled with the exchangeable tool with the simplest possible means.
  • the handle and coupling and their connection with the tool have largely smooth surfaces which are easy to keep clean, so that these surfaces can be chrome-plated and the entire device can be sterilized for use in the medical field.
  • the tool is, in particular, a rasp for processing the bone canal, for example a femur, into which a hip prosthesis is to be inserted.
  • a rasp for processing the bone canal for example a femur
  • the tool then has a special, non-symmetrical shape corresponding to the shape of the bone channel, so that it can only be coupled to the handle in a certain position for the correct, suitable working posture. Suitable for this Provision of measures also belongs to the object on which the invention is based.
  • the measures according to claim 1 serve to solve this problem.
  • the coupling part which is fixedly arranged on the handle, is smooth-walled on the outside and has a bore extending only on one end face and the actuating pin extends somewhat on the opposite face to unlock the coupling outward.
  • On the tool is also only a smooth zapfenförmi ger coupling part available, which has a recess for the locking element on the circumference.
  • the locking element is a bolt which is arranged at right angles to the axes of the bore for the peg-shaped coupling part and the bore for the actuating pin and which is held in an elongated hole on each of the opposite sides of the coupling part.
  • a centering pin protruding from the coupling end face of the coupling part bearing against the tool is expediently provided, which engages in a corresponding bore formed on the tool. This centering pin also serves to ensure that the tool can only be connected in one position to the coupling part attached to the handle.
  • Figure 1 shows the handle with clutch and the tool separately, in a graphical representation.
  • FIG. 3 shows a top view of a coupling part according to FIG. 2 from above;
  • Fig. 4 shows the end region of the tool with the pin-shaped coupling part.
  • a bore 5 extends from the end face 4 of the coupling part 2 lying against the tool 3 perpendicular to the end face for receiving the pin-shaped coupling part 6 arranged on the tool 3 into the coupling part 2.
  • the pin-shaped coupling part 6 has on one side on the circumference a circular arc-shaped recess 7 for receiving a locking element 8 in the form of a short bolt. 2 shows, this bolt 8 is held on opposite sides of the coupling part 2 in a slot 9 and can move back and forth within these slots in a plane transverse to the bore 5.
  • the elongated holes 9 are closed and are no longer visible under a coating which is subsequently applied, for example if the entire coupling part is chrome-plated.
  • an actuating pin 11 is held, which can be pressed inwards against the action of a helical compression spring 12 arranged in the bore 10.
  • a centering pin 14 is fixedly arranged in the coupling part 2 on the side to be pressed against the tool 3.
  • the centering pin 14 engages in a bore 16 on the end face of the tool 3 when the zapfenf rmi ge coupling part 6 is inserted into the bore 5. Because of the centering pin, only one position is possible to connect the tool 3 to the coupling part 2. It is also possible to arrange the centering pin firmly below the spring 12 in the bore 10, or to provide two centering pins.

Abstract

A handle (1) is integrally connected to a coupling part (2) which can be interchangeably connected to a tool (3). The coupling part (2) has a bore (5) extending inward from the front face (4) facing the tool (3), in which a pin-shaped coupling part (6) secured to the tool (3) can be inserted. A bolt-shaped locking element (8) movably held in the coupling part (2) in a plane perpendicular to the bore (5) engages, in the locking position, in a recess (7) on the pin-shaped coupling part (6) and the opposite side rests against an actuating pin (11) which is movably guided in a second bore (10) parallel to said bore (5) and can be pressed inwards against the action of a spring (12). In the inwardly depressed position, a recess (18) on the periphery of the actuating pin (11) is level with the bolt-shaped locking element (8), which can therefore move sideways into the recess (18) and is released from the locking position, so that the pin-shaped coupling part (6) on the tool (3) can be detached from the coupling part (2). The easily manipulated coupling is a body with essentially smooth outer walls and, together with the handle, constitutes, in a chrome-plated version, an easily sterilizable surgical instrument.

Description

Handhabe mit Kupplung und mit dieser auswechselbar kuppelbares Werkzeug Handle with coupling and with this interchangeable tool
Die Erfindung betrifft eine Handhabe mit Kupplung und mit dieser auswechselbar kuppelbares Werkzeug, das zur Bearbeitung von Oberflächen dient, gegen ein anderes Werkzeug auswechselbar sein muss und von Hand mit grossem Kraftaufwand zu betät gen ist. Für diesen Zweck ist eine auch mit beiden Händen zu umfassende Handhabe notwendig, die mit dem auswechselbaren Werkzeug mit möglichst einfach gestalteten Mitteln kuppelbar sein soll . Zu dieser der vorliegenden Erfindung zugrunde liegenden Aufgabe kommt bei einem im medizinischen Bereich zu verwendenden chirurgischen Instrument als ausserdem noch zu berücksichtigende Aufgabe hinzu, dass Handhabe und Kupplung und deren Ver indung mit dem Werkzeug weitgehend glatte, gut sauber zu haltende Oberflächen besitzen, damit diese Oberflächen verchromt werden können und das gesamte Gerät sterilisiert werden kann, um im medizinischen Bereich verwendet werden zu können. In diesem Fall ist das Werkzeug insbesondere eine Knochenraspel zur Bearbeitung des Knochenkanals, beispielsweise eines Oberschenkelknochens, in den eine Hüftprothese einzusetzen ist. Hierbei ist teilweise mit grossem Kraftaufwand zu arbeiten und bei beschränkter Zugänglichkeit. Das Werkzeug weist dann eine spezielle, nicht symmetrische Formgebung entsprechend der Form des Knochenkanals auf, so dass es für die richtige geeignete Arbeitshaltung nur in einer bestimmten Stellung mit der Handhabe kuppelbar sein darf. Hierfü geeignete Massnahmen vorzusehen, gehört ebenfalls zu der der Erfindung zugrunde liegenden Aufgabe.The invention relates to a handle with a clutch and with this interchangeably couplable tool, which is used for machining surfaces, must be interchangeable with another tool and can be operated by hand with great effort. For this purpose, a handle that is too extensive with both hands is necessary, which should be able to be coupled with the exchangeable tool with the simplest possible means. To this object on which the present invention is based, in the case of a surgical instrument to be used in the medical field, there is also an additional task to be taken into account that the handle and coupling and their connection with the tool have largely smooth surfaces which are easy to keep clean, so that these surfaces can be chrome-plated and the entire device can be sterilized for use in the medical field. In this case, the tool is, in particular, a rasp for processing the bone canal, for example a femur, into which a hip prosthesis is to be inserted. In some cases, this requires great effort and limited access. The tool then has a special, non-symmetrical shape corresponding to the shape of the bone channel, so that it can only be coupled to the handle in a certain position for the correct, suitable working posture. Suitable for this Provision of measures also belongs to the object on which the invention is based.
Zur Lösung dieser Aufgabe dienen die Massnahmen gemäss Anspruch 1. Der an der Handhabe fest angeordnete Kupplungsteil ist aussen glattwandig und besitzt nur an der einen Stirnfläche eine sich hinein erstreckende Bohrung und an der gegenüber liegenden Fläche erstreckt sich der Bet t gungsstift zum Entriegeln der Kupplung etwas nach aussen. Am Werkzeug ist ebenfalls nur ein glatter zapfenförmi ger Kupplungsteil vorhanden, der am Umfang eine Ausnehmung für das Verriegelungselement aufweist. In zweckmässi ger Ausgestaltung ist das Verriege¬ lungselement ein rechtwinklig zu den Achsen der Bohrung für den zapfenförmi gen Kupplungsteil und der Bohrung für den Betätigungsstift angeordneter Bolzen, der auf einander gegenüber liegenden Seiten des Kupplungste ls in je einem Langloch verschi ebl ich gehalten ist. Diese Langlöcher lassen sich nach dem Zusammenbau der Teile an der Aussenseite verschl i essen und mit der anschl iessend darüber gelegten Chromschicht ist dann auch dieser Bereich glattwandig.The measures according to claim 1 serve to solve this problem. The coupling part, which is fixedly arranged on the handle, is smooth-walled on the outside and has a bore extending only on one end face and the actuating pin extends somewhat on the opposite face to unlock the coupling outward. On the tool is also only a smooth zapfenförmi ger coupling part available, which has a recess for the locking element on the circumference. In an expedient embodiment, the locking element is a bolt which is arranged at right angles to the axes of the bore for the peg-shaped coupling part and the bore for the actuating pin and which is held in an elongated hole on each of the opposite sides of the coupling part. These elongated holes can be closed on the outside after the parts have been assembled, and with the chrome layer then placed over this area, this area is also smooth-walled.
Wegen der zu übertragenden Kräfte ist zweckmässig ein von der gegen das Werkzeug anliegenden Kupplungs-Stirn¬ fläche des Kupplungsteils vorstehender Zentrierstift vorgesehen, der in eine entsprechende, am Werkzeug ausgebildete Bohrung eingreift. Dieser Zentrierstift dient gleichzeitig dazu, sicherzustellen, dass das Werkzeug sich nur in einer Stellung mit dem an der Handhabe befestigten Kupplungsteil verbinden lässt.Because of the forces to be transmitted, a centering pin protruding from the coupling end face of the coupling part bearing against the tool is expediently provided, which engages in a corresponding bore formed on the tool. This centering pin also serves to ensure that the tool can only be connected in one position to the coupling part attached to the handle.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen näher erläutert. Es zeigen: Fig. 1 die Handhabe mit Kupplung und das Werkzeug getrennt, in schaubildlicher Darstellung;An embodiment of the invention is explained below with reference to the drawings. Show it: Figure 1 shows the handle with clutch and the tool separately, in a graphical representation.
Fig. 2 einen Axialschnitt durch den an der Handhabe befestigten Kupplungsteil;2 shows an axial section through the coupling part fastened to the handle;
Fig. 3 eine Draufsicht auf ein Kupplungsteil gemäss Fig. 2 von oben;3 shows a top view of a coupling part according to FIG. 2 from above;
Fig. 4 den Endbereich des Werkzeugs mit dem zapfenförmigen Kupplungsteil .Fig. 4 shows the end region of the tool with the pin-shaped coupling part.
Gemäss Fig. 1 ist als Handhabe ein flacher, schi enenf rmi ger Körper 1 hochkant gebogen und trägt an seinem einen Ende den fest angeordneten Kupplungsteil 2, der quaderförmig mit abgerundeten Schmalseiten aus¬ gebildet ist. Von der gegen das Werkzeug 3 anliegenden Stirnfläche 4 des Kupplungsteils 2 erstreckt sich senk¬ recht zur Stirnfläche eine Bohrung 5 zur Aufnahme des am Werkzeug 3 angeordneten zapfenförmigen Kupplungsteils 6 in den Kupplungsteil 2 hinein. Der zapfenförmige Kupplungsteil 6 weist an einer Seite am Umfang eine kreisbogenförmig begrenzte Ausnehmung 7 zur Aufnahme eines Verriegelungsele entes 8 in Form eines kurzen Bolzens auf. ie aus Fig. 2 näher hervorgeht, ist dieser Bolzen 8 auf einander gegenüberliegenden Seiten des Kupplungsteils 2 in je einem Langloch 9 gehalten und kann sich innerhalb dieser Langlöcher in einer quer zur Bohrung 5 verlaufenden Ebene hin- und herbewegen. Nach dem Einsetzen des Bolzens 8 werden die Langlöcher 9 verschlossen und sind unter einem anschl i essend aufge¬ brachten Ueberzug nicht mehr sichtbar, wenn beispielsweise der ganze Kupplungsteil verchromt wird. In einer zur Bohrung 5 parallelen weiteren Bohrung 10 ist ein Betätigungsstift 11 gehalten, der gegen die Wirkung einer in der Bohrung 10 angeordneten Schraubendruckfeder 12 einwärts drückbar ist. Ein Zentrierstift 14 ist in dem Kupplungsteil 2 an der gegen das Werkzeug 3 anzuliegen bestimmten Seite fest angeordnet. Der Zentrierstift 14 greift in eine Bohrung 16 an der Stirnfläche des Werkzeugs 3 ein, wenn der zapfenf rmi ge Kupplungsteil 6 in die Bohrung 5 eingesetzt ist. Aufgrund des Zentrierstiftes ist nur eine Zusammen¬ steckposi ion möglich, um das Werkzeug 3 mit dem Kupplungs¬ teil 2 zu verbinden. Es ist auch möglich, den Zentrierstift unterhalb der Feder 12 in der Bohrung 10 fest anzuordnen, oder auch zwei Zentrierstifte vorzusehen.1 is a flat, schi enenf rmi ger body 1 bent upright as a handle and carries at one end the fixed coupling part 2, which is cuboid with rounded narrow sides. A bore 5 extends from the end face 4 of the coupling part 2 lying against the tool 3 perpendicular to the end face for receiving the pin-shaped coupling part 6 arranged on the tool 3 into the coupling part 2. The pin-shaped coupling part 6 has on one side on the circumference a circular arc-shaped recess 7 for receiving a locking element 8 in the form of a short bolt. 2 shows, this bolt 8 is held on opposite sides of the coupling part 2 in a slot 9 and can move back and forth within these slots in a plane transverse to the bore 5. After the bolt 8 has been inserted, the elongated holes 9 are closed and are no longer visible under a coating which is subsequently applied, for example if the entire coupling part is chrome-plated. In a further bore 10 parallel to the bore 5, an actuating pin 11 is held, which can be pressed inwards against the action of a helical compression spring 12 arranged in the bore 10. A centering pin 14 is fixedly arranged in the coupling part 2 on the side to be pressed against the tool 3. The centering pin 14 engages in a bore 16 on the end face of the tool 3 when the zapfenf rmi ge coupling part 6 is inserted into the bore 5. Because of the centering pin, only one position is possible to connect the tool 3 to the coupling part 2. It is also possible to arrange the centering pin firmly below the spring 12 in the bore 10, or to provide two centering pins.
In der in Fig. 1 und 2 dargestellten Stellung liegt das als Bolzen ausgebildete Verriegelungselement 8 gegen den Aussenumfang des Betätigungsstiftes 11 an. Dies ist auch die Stellung, in welcher der in die Bohrung 5 ganz hinein gesteckte zapfenförmi ge Kupplungs¬ teil 6 verriegelt ist, wobei das Verriegelungselement 8 in die Ausnehmung 7 am zapfenförmigen Kupplungsteil 6 eingreift, was in den Zeichnungen nicht dargestellt ist. Wenn der Betätigungsstift 11 gegen die Wirkung der Feder einwärts gedrückt wird, kommt eine kreisbogen¬ förmig begrenzte Ausnehmung 18 am Aussenumfang des Betätigungsstiftes 11 in die gleiche Ebene zu liegen, wie die Ausnehmung 7 am zapfenförmigen Kupplungsteil 6, so dass dann das Verriegelungselement 8 in die Ausneh¬ mung 18 ausweichen kann und damit der zapfenförmi ge Kupplungsteil 6 frei kommt, wenn zwecks Lösen der Kupp¬ lungsverbindung das Werkzeug 3 aus dem Kupplungste l 2 herausgezogen wird. In the position shown in FIGS. 1 and 2, the locking element 8 designed as a bolt bears against the outer circumference of the actuating pin 11. This is also the position in which the peg-shaped coupling part 6 inserted into the bore 5 is locked, the locking element 8 engaging in the recess 7 on the peg-shaped coupling part 6, which is not shown in the drawings. When the actuating pin 11 is pressed inward against the action of the spring, a recess 18 with a circular arc on the outer circumference of the actuating pin 11 comes to lie in the same plane as the recess 7 on the peg-shaped coupling part 6, so that the locking element 8 then moves into the Ausneh¬ mung 18 can dodge and thus the peg-shaped coupling part 6 is released when the tool 3 is pulled out of the coupling part l 2 to release the coupling connection.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Handhabe mit Kupplung und mit dieser ausWechsel bar kuppelbares Werkzeug, dadurch gekennzeichnet, dass ein an einem Ende eines als Handhabe zum Erfassen besti m¬ ten länglichen Körpers (1 ) fest angeordneter Kupplungs¬ teil (2) eine von der gegen das Werkzeug (3) anliegenden Kupplungs-Stirnfl che (4) sich senkrecht hinein erstrecken' de Bohrung (5) zur Aufnahme eines am Werkzeug (3) angeord¬ neten zapfenför igen Kupplungsteils (6) sowie in einer zur genannten Bohrung (5) parallelen weiteren Bohrung (10) einen gegen Federwirkung (12) bewegbaren Kupplungs- Betätigungsstift (11 ) aufweist, der gegen ein in dem Kupplungsteil (2) in einer quer zu den beiden Bohrungen (5,10) verlaufenden Ebene beweglich gehaltenes Verriege¬ lungselement (8) anliegt, welches in der Verri egel ungs - Stellung in einer Ausnehmung (7) am Umfang des zapfenför¬ migen Kupplungstei ls (6) des Werkzeuges (3) eingerastet ist und welches durch Einwärtsdrücken des Betätigungs¬ stiftes (11 ) in die Bohrung (10) gegen die Feder irkung (12) zwecks Entriegelung in eine der genannten Ausneh¬ mung (7) gegenüber zu liegen kommende Ausnehmung (18) am Aussenumfang des Betätigungsstiftes (11 ) ausweicht.1. Handle with coupling and tool that can be coupled with this exchangeable bar, characterized in that a coupling part (2) fixedly arranged at one end of an elongated body (1) designed as a grip for gripping is one of those against the tool ( 3) adjacent coupling end face surface (4) perpendicularly into 'extend de bore (5) for receiving a further on the tool (3) angeord ¬ Neten zapfenför strength coupling part (6) and in a plane parallel to the said bore (5) bore ( 10) has a clutch actuating pin (11) which can be moved against spring action (12) and which bears against a locking element (8) which is movably held in the coupling part (2) in a plane running transversely to the two bores (5, 10), which is locked in the locking position in a recess (7) on the circumference of the peg-shaped coupling part (6) of the tool (3) and which is pressed into the drill by pressing the actuating pin (11) inwards (10) against the spring action (12) for the purpose of unlocking in a recess (7) opposite the recess (18) on the outer circumference of the actuating pin (11).
2. Handhabe mit Kupplung nach Anspruch 1 , dadurch gekennzeichnet, dass das Verriegelungselement (8) ein rechtwinklig zu den Achsen der Bohrungen (5,10) angeord¬ neter Bolzen ist, der aufeinander gegenüberliegenden Seiten des die Bohrungen (5,10) aufweisenden Kupplungs¬ teils (2) in je einem Langloch (9) verschieblich gehalten i st .2. Handle with clutch according to claim 1, characterized in that the locking element (8) is a perpendicular to the axes of the bores (5,10) angeord¬ Neten bolt, the opposite sides of the bores (5,10) having coupling ¬ partly (2) slidably held in an elongated hole (9).
F 14 732 CH - vF F 14 732 CH - vF
3. Handhabe nach Anspruch 1, dadurch gekennze ch¬ net, dass an der gegen das Werkzeug (3) anliegenden Kupplungs- Stirnfläche (4) des Kupplungsteils (2) ein vorstehender Zentrierstift (14) angeordnet ist, der in eine entsprechende, am Werkzeug (3) ausgebildete Bohrung (16) eingreift.3. Handle according to claim 1, characterized in that the projecting centering pin (14) is arranged on the coupling end face (4) of the coupling part (2) which bears against the tool (3) and which fits into a corresponding one on the tool (3) engages trained bore (16).
4. Handhabe nach Anspruch 1, dadurch gekennzeich¬ net, dass ein als flache und hochkant gebogene Schiene ausgebildeter Körper (1) als Handhabe an einem Schienen¬ ende mit dem Kupplungsteil (2) fest verbunden ist und das Kupplungsteil (2) mit einer das Werkzeug bildenden Knochenraspel (3) gekuppelt ist. 4. Handle according to claim 1, characterized gekennzeich¬ net that a trained as a flat and edgewise curved rail body (1) is firmly connected as a handle at one end of the rail with the coupling part (2) and the coupling part (2) with one Tool-forming bone rasp (3) is coupled.
PCT/CH1988/000164 1987-11-06 1988-09-20 Handle with coupling and interchangeable tool for coupling with same WO1989004238A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH436387 1987-11-06
CH4363/87-0 1987-11-06

Publications (1)

Publication Number Publication Date
WO1989004238A1 true WO1989004238A1 (en) 1989-05-18

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Cited By (15)

* Cited by examiner, † Cited by third party
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EP0380309A1 (en) * 1989-01-24 1990-08-01 Zimmer, Inc. Releasable orthopedic broach handle apparatus
FR2659042A1 (en) * 1990-03-02 1991-09-06 Astel Sarl Device for dismantleably joining a handle to a tool, and more particularly, but not exclusively, a device for dismantleably joining a handle to a file for surgical use and handle and tools designed to be joined in this way
FR2660857A1 (en) * 1990-04-11 1991-10-18 Astel Sarl Device for detachable assembly of a trial prosthetic head
FR2680964A1 (en) * 1991-08-29 1993-03-12 Bristol Myers Squibb Co SYSTEM AND INSTRUMENTS FOR TORSION TESTING FEMORAL SCRATCHING AND IMPLANT OF A HIP ROD COMPRISING A MOTION INDICATOR.
EP0619097A1 (en) * 1993-04-07 1994-10-12 SULZER Medizinaltechnik AG Rasp and detachable handle for preparing the medullary canal of a bone which is to receive a prosthesis
FR2719464A1 (en) * 1994-05-09 1995-11-10 Medinov Sa Two-part surgical rasp instrument for femoral medullary canal
FR2744945A1 (en) * 1996-02-15 1997-08-22 Helko Werk Carl & Aug Helsper HAND TOOL WITH HITCHING EFFECT
EP0823242A2 (en) * 1996-08-08 1998-02-11 Aesculap AG & Co. KG Instrument for intramedullary working
EP0888751A2 (en) * 1997-07-02 1999-01-07 Howmedica International Inc. Apparatus for releasably attaching operating means to a surgical element or tool
FR2796267A1 (en) * 1999-07-13 2001-01-19 Protheos Ind Assembly neck for femoral prosthesis has pins on neck engaging bores in end of medullary nail
GB2378149A (en) * 2001-07-31 2003-02-05 Mou-Tang Liou Releasable coupling between handle and tool bit
US8936647B2 (en) 2012-06-22 2015-01-20 Zimmer, Inc. Elbow prosthesis
US8945165B2 (en) 2008-09-22 2015-02-03 Smith & Nephew, Inc. Drive shaft for a surgical tool
WO2014162212A3 (en) * 2013-03-12 2015-02-19 Pro Med Instruments Gmbh Interchangeable pin holder system and method
US10201374B2 (en) 2012-06-22 2019-02-12 Zimmer, Inc. Assembly tool for a prosthesis

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US4306550A (en) * 1980-02-06 1981-12-22 Minnesota Mining And Manufacturing Company Combination including femoral rasp and calcar facing reamer
FR2547192A1 (en) * 1983-05-18 1984-12-14 Lahille Michel Hollow femoral rasp for arthroplasty
DE3324756A1 (en) * 1983-07-08 1985-01-17 Hilti Ag, Schaan Powered screwdriver
US4587964A (en) * 1985-02-05 1986-05-13 Zimmer, Inc. Rasp tool
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US4765328A (en) * 1987-08-10 1988-08-23 Osteonics Corp. Surgical instrument handle coupling

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FR1103112A (en) * 1954-04-15 1955-10-31 Attaching the buffers to the sleeves
FR2239905A5 (en) * 1973-08-01 1975-02-28 Corps Henri Locking device for small tools such as scribers - wedges tool in bore with spring loaded ball in intersecting bore
US4306550A (en) * 1980-02-06 1981-12-22 Minnesota Mining And Manufacturing Company Combination including femoral rasp and calcar facing reamer
FR2547192A1 (en) * 1983-05-18 1984-12-14 Lahille Michel Hollow femoral rasp for arthroplasty
DE3324756A1 (en) * 1983-07-08 1985-01-17 Hilti Ag, Schaan Powered screwdriver
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Cited By (23)

* Cited by examiner, † Cited by third party
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US9468455B2 (en) 2008-09-22 2016-10-18 Smith & Nephew, Inc. Drive shaft for a surgical tool
US8936647B2 (en) 2012-06-22 2015-01-20 Zimmer, Inc. Elbow prosthesis
US9474616B2 (en) 2012-06-22 2016-10-25 Zimmer, Inc. Elbow prosthesis
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