CA2092891A1 - Surgical instrument locking mechanism - Google Patents

Surgical instrument locking mechanism

Info

Publication number
CA2092891A1
CA2092891A1 CA2092891A CA2092891A CA2092891A1 CA 2092891 A1 CA2092891 A1 CA 2092891A1 CA 2092891 A CA2092891 A CA 2092891A CA 2092891 A CA2092891 A CA 2092891A CA 2092891 A1 CA2092891 A1 CA 2092891A1
Authority
CA
Canada
Prior art keywords
locking mechanism
locking
handle
surgical instrument
body assembly
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.)
Granted
Application number
CA2092891A
Other languages
French (fr)
Other versions
CA2092891C (en
Inventor
David A. Nicholas
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.)
United States Surgical Corp
Original Assignee
United States Surgical Corp
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 United States Surgical Corp filed Critical United States Surgical Corp
Publication of CA2092891A1 publication Critical patent/CA2092891A1/en
Application granted granted Critical
Publication of CA2092891C publication Critical patent/CA2092891C/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
    • A61B17/2909—Handles
    • 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
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A61B17/2833—Locking means
    • A61B2017/2837—Locking means with a locking ratchet
    • 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
    • A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
    • A61B2017/2929—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft

Abstract

An endoscopic or laparoscopic surgical instrument having an internally disposed locking mechanism located within a barrel portion of a handle assembly.The instrument includes a handle assembly having a pivoting handle and a stationary handle, a barrel portion to which an elongated body assembly is secured, and a locking mechanism for releasably positioning a tool mechanism located at the distal end of the body assembly. In one embodiment the locking mechanism comprises a trigger, a brake and a latch spring. In another embodiment the locking mechanismcomprises a latch spring and a locking block. A rotational knob and locking member may also be provided to position the body assembly at various orientations to the longitudinal axis.
CA002092891A 1992-04-06 1993-03-29 Surgical instrument locking mechanism Expired - Lifetime CA2092891C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/863,951 US5314424A (en) 1992-04-06 1992-04-06 Surgical instrument locking mechanism
US07/863,951 1992-04-06

Publications (2)

Publication Number Publication Date
CA2092891A1 true CA2092891A1 (en) 1993-10-07
CA2092891C CA2092891C (en) 1998-10-20

Family

ID=25342181

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002092891A Expired - Lifetime CA2092891C (en) 1992-04-06 1993-03-29 Surgical instrument locking mechanism

Country Status (4)

Country Link
US (2) US5314424A (en)
EP (1) EP0565049B1 (en)
CA (1) CA2092891C (en)
DE (1) DE69301121T2 (en)

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DE69301121T2 (en) 1996-06-05
US5425743A (en) 1995-06-20
EP0565049A1 (en) 1993-10-13
DE69301121D1 (en) 1996-02-08
CA2092891C (en) 1998-10-20
EP0565049B1 (en) 1995-12-27

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