DE20309775U1 - Surgical instrument has force-limiting device located immediately adjacent to the proximal end of the Bowden cable operating link - Google Patents

Surgical instrument has force-limiting device located immediately adjacent to the proximal end of the Bowden cable operating link

Info

Publication number
DE20309775U1
DE20309775U1 DE20309775U DE20309775U DE20309775U1 DE 20309775 U1 DE20309775 U1 DE 20309775U1 DE 20309775 U DE20309775 U DE 20309775U DE 20309775 U DE20309775 U DE 20309775U DE 20309775 U1 DE20309775 U1 DE 20309775U1
Authority
DE
Germany
Prior art keywords
force
instrument according
force transmission
transmission member
limiting element
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
Application number
DE20309775U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aesculap AG
Original Assignee
Aesculap 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 Aesculap AG filed Critical Aesculap AG
Priority to DE20309775U priority Critical patent/DE20309775U1/en
Publication of DE20309775U1 publication Critical patent/DE20309775U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • A61B17/2909—Handles
    • A61B2017/2912—Handles transmission of forces to actuating rod or piston
    • A61B2017/2919—Handles transmission of forces to actuating rod or piston details of linkages or pivot points
    • A61B2017/292—Handles transmission of forces to actuating rod or piston details of linkages or pivot points connection of actuating rod to handle, e.g. ball end in recess
    • 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
    • A61B2018/146—Scissors
    • 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
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
    • A61B2090/034—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself
    • 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
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Otolaryngology (AREA)
  • Surgical Instruments (AREA)

Abstract

A surgical instrument (10) has a shaft (12) with a tool (14, 16) at the distal end linked (22) via a force-limiting mechanism (66, 80) to a trigger (40) at the proximal end. The force-limiting mechanism is located immediately adjacent to the proximal end of the link.

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (15)

1. Chirurgisches Instrument (10) mit einem Schaft (12), mit einem an ei­ nem distalen Ende des Schafts (12) angeordneten beweglichen Werk­ zeug (14, 16), mit einem an einem proximalen Ende des Schafts (12) angeordneten beweglichen Betätigungselement (40), mit einem dem Betätigungselement (40) zugeordneten Kraftübertragungsglied (22) zum Übertragen von Zug- und/oder Schubkräften vom Betätigungselement (40) auf das Werkzeug (14, 16) und mit einer Kraftbegrenzungsvorrich­ tung zum Begrenzen einer vom Betätigungselement (40) auf das Kraftübertragungsglied (22) wirkenden Zug- und/oder Schubkraft, da­ durch gekennzeichnet, daß die Kraftbegrenzungsvorrichtung ein Kraftbe­ grenzungselement (66; 80) umfaßt und daß das Kraftbegrenzungsele­ ment (66, 80) direkt auf das proximale Ende des Kraftübertragungsglieds (22) wirkt.1. Surgical instrument ( 10 ) with a shaft ( 12 ), with one at a distal end of the shaft ( 12 ) arranged movable tool ( 14 , 16 ), with a movable actuator arranged at a proximal end of the shaft ( 12 ) ( 40 ), with a power transmission element ( 22 ) assigned to the actuating element ( 40 ) for transmitting tensile and / or pushing forces from the actuating element ( 40 ) to the tool ( 14 , 16 ) and with a force limiting device for limiting one of the actuating element ( 40 ) acting on the force transmission member ( 22 ) pulling and / or pushing force, characterized in that the force limiting device comprises a force limiting element ( 66 ; 80 ) and that the force limiting element ( 66 , 80 ) directly on the proximal end of the force transmitting member ( 22 ) works. 2. Instrument nach Anspruch 1, dadurch gekennzeichnet, daß das Kraftbe­ grenzungselement (66; 80) direkt am proximalen Ende des Kraftübertra­ gungsglieds (22) anliegt.2. Instrument according to claim 1, characterized in that the Kraftbe limiting element ( 66 ; 80 ) bears directly at the proximal end of the force transmission member ( 22 ). 3. Instrument nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß das Kraftbegrenzungselement (66; 80) in einer Grundstellung, in der vom Betätigungselement (40) keine Kraft auf das Kraftübertragungsglied (22) ausgeübt wird, federnd gegen das proximale Ende des Kraftübertragungsglieds vorgespannt ist. 3. Instrument according to one of the preceding claims, characterized in that the force limiting element ( 66 ; 80 ) in a basic position in which no force is exerted on the force transmission element ( 22 ) by the actuating element ( 40 ) resiliently against the proximal end of the force transmission element is biased. 4. Instrument nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß das Kraftbegrenzungselement (66; 80) am proximalen Ende des Kraftübertragungsglieds (22) in proximaler und/oder distaler Richtung angreift.4. Instrument according to one of the preceding claims, characterized in that the force limiting element ( 66 ; 80 ) acts on the proximal end of the force transmission member ( 22 ) in the proximal and / or distal direction. 5. Instrument nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß das Kraftbegrenzungselement (66, 80) elastisch ist, insbesondere federelastisch.5. Instrument according to one of the preceding claims, characterized in that the force limiting element ( 66 , 80 ) is elastic, in particular spring-elastic. 6. Instrument nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß das Kraftbegrenzungselement (66; 80) eine Feder oder ein elastischer Kunststoff ist, insbesondere ein Elastomer.6. Instrument according to one of the preceding claims, characterized in that the force limiting element ( 66 ; 80 ) is a spring or an elastic plastic, in particular an elastomer. 7. Instrument nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß das Betätigungselement (40) das Kraftbegrenzungse­ lement (66; 80) trägt.7. Instrument according to one of the preceding claims, characterized in that the actuating element ( 40 ) carries the force limiting element ( 66 ; 80 ). 8. Instrument nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß das distale Ende des Kraftübertragungsglieds (22) in einer Aufnahme (56; 72) des Betätigungselements beweglich geführt und/oder gehalten ist und daß sich das Kraftbegrenzungselement (66; 80) an mindestens einem Ende (68, 70; 80) der Aufnahme (56; 72) und am distalen Ende des Kraftübertragungsglieds (22) distalseitig und/oder proximalseitig abstützt. 8. Instrument according to one of the preceding claims, characterized in that the distal end of the force transmission member ( 22 ) in a receptacle ( 56 ; 72 ) of the actuating element is movably guided and / or held and that the force limiting element ( 66 ; 80 ) supports at least one end ( 68 , 70 ; 80 ) of the receptacle ( 56 ; 72 ) and at the distal end of the force transmission member ( 22 ) on the distal and / or proximal side. 9. Instrument nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, daß das Kraftbegrenzungselement (66) das distale Ende des Kraftüber­ tragungsglieds (22) im wesentlichen umgibt und daß das Kraftübertra­ gungsglied (22) in distaler Richtung aus dem Kraftbegrenzungselement (66) herausgeführt ist.9. Instrument according to one of claims 4 to 8, characterized in that the force limiting element ( 66 ) substantially surrounds the distal end of the force transmission member ( 22 ) and that the force transmission member ( 22 ) is led out in the distal direction from the force limiting element ( 66 ) is. 10. Instrument nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß das distale Ende (52) des Kraftübertragungsglieds (22) im Querschnitt kreisförmig ausgebildet ist.10. Instrument according to one of the preceding claims, characterized in that the distal end ( 52 ) of the force transmission member ( 22 ) is circular in cross section. 11. Instrument nach Anspruch 10, dadurch gekennzeichnet, daß das distale Ende des Kraftübertragungsglieds (22) einen zylindrischen Kopf trägt (52) und daß eine Längsachse des Kopfes (52) quer zur Längsachse (20) des Schafts (12) verläuft.11. Instrument according to claim 10, characterized in that the distal end of the force transmission member ( 22 ) carries a cylindrical head ( 52 ) and that a longitudinal axis of the head ( 52 ) extends transversely to the longitudinal axis ( 20 ) of the shaft ( 12 ). 12. Instrument nach Anspruch 11, dadurch gekennzeichnet, daß der Kopf (52) mit einer in Längsrichtung des Kopfes (52) in einer Richtung quer zur Längsachse (20) des Schafts (12) verlaufenden Nut (50) auf ein zy­ lindrisches Ende (48) des Kraftübertragungsglieds (22) aufschiebbar ist.12. Instrument according to claim 11, characterized in that the head ( 52 ) with a in the longitudinal direction of the head ( 52 ) in a direction transverse to the longitudinal axis ( 20 ) of the shaft ( 12 ) extending groove ( 50 ) on a cylindrical end ( 48 ) of the force transmission element ( 22 ) can be pushed on. 13. Instrument nach einem der Ansprüche 8 bis 12, dadurch gekennzeichnet, daß die Aufnahme eine quer zur Längsachse (20) des Schafts (12) ange­ ordnete, im wesentlichen zylindrische Bohrung (56) umfaßt, welche eine im wesentlichen in distaler Richtung weisende Öffnung (58) aufweist, die schmaler ist als ein Durchmesser der Bohrung (56). 13. Instrument according to one of claims 8 to 12, characterized in that the receptacle comprises a transverse to the longitudinal axis ( 20 ) of the shaft ( 12 ), substantially cylindrical bore ( 56 ) which has a substantially distal opening ( 58 ) which is narrower than a diameter of the bore ( 56 ). 14. Instrument nach einem der Ansprüche 8 bis 13, dadurch gekennzeichnet, daß die Aufnahme (72) zwei seitliche Führungen für den Kopf (52) auf­ weist und daß das Kraftbegrenzungselement (80) in einer zu seiner äu­ ßeren Form korrespondierenden Ausnehmung (78) eingesetzt ist.14. Instrument according to one of claims 8 to 13, characterized in that the receptacle ( 72 ) has two lateral guides for the head ( 52 ) and that the force limiting element ( 80 ) in a recess ( 78 ) corresponding to its outer shape is inserted. 15. Vorrichtung nach einem der Ansprüche 8 bis 13, dadurch gekennzeich­ net, daß die Aufnahme als eine mit einem in distaler Richtung weisenden Schlitz (58) versehene Querbohrung (56) ausgebildet ist.15. Device according to one of claims 8 to 13, characterized in that the receptacle is designed as a transverse bore ( 56 ) provided with a slot ( 58 ) pointing in the distal direction.
DE20309775U 2003-06-20 2003-06-20 Surgical instrument has force-limiting device located immediately adjacent to the proximal end of the Bowden cable operating link Expired - Lifetime DE20309775U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20309775U DE20309775U1 (en) 2003-06-20 2003-06-20 Surgical instrument has force-limiting device located immediately adjacent to the proximal end of the Bowden cable operating link

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20309775U DE20309775U1 (en) 2003-06-20 2003-06-20 Surgical instrument has force-limiting device located immediately adjacent to the proximal end of the Bowden cable operating link

Publications (1)

Publication Number Publication Date
DE20309775U1 true DE20309775U1 (en) 2003-10-02

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ID=28799211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20309775U Expired - Lifetime DE20309775U1 (en) 2003-06-20 2003-06-20 Surgical instrument has force-limiting device located immediately adjacent to the proximal end of the Bowden cable operating link

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DE (1) DE20309775U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1992293B1 (en) * 2007-03-14 2013-11-20 Ovesco Endoscopy AG Medical gripping device
CN114286649A (en) * 2019-08-27 2022-04-05 康曼德公司 Force limiting mechanism for surgical instrument

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1992293B1 (en) * 2007-03-14 2013-11-20 Ovesco Endoscopy AG Medical gripping device
CN114286649A (en) * 2019-08-27 2022-04-05 康曼德公司 Force limiting mechanism for surgical instrument
CN114286649B (en) * 2019-08-27 2024-04-19 康曼德公司 Force limiting mechanism for surgical instrument

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20031106

R156 Lapse of ip right after 3 years

Effective date: 20070103