WO1995003741A3 - Arthroscopic surgical instruments - Google Patents

Arthroscopic surgical instruments Download PDF

Info

Publication number
WO1995003741A3
WO1995003741A3 PCT/US1994/008908 US9408908W WO9503741A3 WO 1995003741 A3 WO1995003741 A3 WO 1995003741A3 US 9408908 W US9408908 W US 9408908W WO 9503741 A3 WO9503741 A3 WO 9503741A3
Authority
WO
WIPO (PCT)
Prior art keywords
coupled
push rod
movable jaw
jaw
end effector
Prior art date
Application number
PCT/US1994/008908
Other languages
French (fr)
Other versions
WO1995003741A2 (en
Inventor
Kevin F Hahnen
Gustavo Aquirre
Peter Kratsch
Original Assignee
Symbiosis Corp
Kevin F Hahnen
Gustavo Aquirre
Peter Kratsch
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 Symbiosis Corp, Kevin F Hahnen, Gustavo Aquirre, Peter Kratsch filed Critical Symbiosis Corp
Priority to EP94925767A priority Critical patent/EP0715504B1/en
Priority to AT94925767T priority patent/ATE201578T1/en
Priority to AU75571/94A priority patent/AU675577B2/en
Priority to JP7506079A priority patent/JPH09501081A/en
Priority to DE69427359T priority patent/DE69427359D1/en
Publication of WO1995003741A2 publication Critical patent/WO1995003741A2/en
Publication of WO1995003741A3 publication Critical patent/WO1995003741A3/en

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
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1604—Chisels; Rongeurs; Punches; Stamps
    • A61B17/1606—Chisels; Rongeurs; Punches; Stamps of forceps type, i.e. having two jaw elements moving relative to each other
    • A61B17/1608—Chisels; Rongeurs; Punches; Stamps of forceps type, i.e. having two jaw elements moving relative to each other the two jaw elements being linked to two elongated shaft elements moving longitudinally relative to each other
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3201—Scissors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/0088—Material properties ceramic
    • 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
    • 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
    • A61B2017/2931—Details of heads or jaws with releasable head
    • 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
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2933—Transmission of forces to jaw members camming or guiding means
    • A61B2017/2934—Transmission of forces to jaw members camming or guiding means arcuate shaped guiding means
    • 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
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2939—Details of linkages or pivot points
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00071—Electrical conductivity
    • A61B2018/00077—Electrical conductivity high, i.e. electrically conducting
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00071—Electrical conductivity
    • A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00107—Coatings on the energy applicator
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00107—Coatings on the energy applicator
    • A61B2018/00148—Coatings on the energy applicator with metal
    • 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
    • A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter
    • 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
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A61B2217/005—Auxiliary appliance with suction drainage system

Abstract

An arthroscopic surgical instrument includes a hollow tube with an actuator coupled to its proximal end and an end effector coupled to its distal end. The actuator and the end effector are coupled by a cylindrical push rod which passes through the hollow tube. The push rod includes a frangible link in the form of a flattened portion with strength reducing semicircular side cuts which breaks when a predetermined force is applied to the end effector by the actuator. The end effector includes a stationary jaw and a movable jaw. The stationary jaw is coupled to the distal end of the tube and receives the push rod. The movable jaw is coupled to the push rod and is pivotally coupled to the stationary jaw by arcuate engaging surfaces on both jaws. The movable jaw is also provided with a pair of serrated knife-like edges with an inner concave surface between them and the stationary jaw is provided with a receiving opening into which the movable jaw fits when the jaws are in a closed position. The receiving opening is defined by a pair of side walls having an upper taper which terminates in a sharp edge and a distal end wall having a concave inner surface. The concavity of the inner surface of the end wall is defined by a radius from the axis of rotation of the movable jaw. An electrical connection to the hollow tube is provided for supplying the jaws with a cautery current.
PCT/US1994/008908 1993-08-03 1994-08-03 Arthroscopic surgical instruments WO1995003741A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP94925767A EP0715504B1 (en) 1993-08-03 1994-08-03 Arthroscopic surgical instruments
AT94925767T ATE201578T1 (en) 1993-08-03 1994-08-03 ARTHROSCOPIC SURGICAL DEVICE
AU75571/94A AU675577B2 (en) 1993-08-03 1994-08-03 Arthroscopic surgical instruments
JP7506079A JPH09501081A (en) 1993-08-03 1994-08-03 Arthroscopic surgical instrument
DE69427359T DE69427359D1 (en) 1993-08-03 1994-08-03 ARTHROSCOPIC SURGICAL DEVICE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/101,190 US5389104A (en) 1992-11-18 1993-08-03 Arthroscopic surgical instruments
US08/101,190 1993-08-03

Publications (2)

Publication Number Publication Date
WO1995003741A2 WO1995003741A2 (en) 1995-02-09
WO1995003741A3 true WO1995003741A3 (en) 1995-03-16

Family

ID=22283432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/008908 WO1995003741A2 (en) 1993-08-03 1994-08-03 Arthroscopic surgical instruments

Country Status (8)

Country Link
US (1) US5389104A (en)
EP (2) EP1066799A2 (en)
JP (1) JPH09501081A (en)
AT (1) ATE201578T1 (en)
AU (1) AU675577B2 (en)
CA (1) CA2168744A1 (en)
DE (1) DE69427359D1 (en)
WO (1) WO1995003741A2 (en)

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ATE201578T1 (en) 2001-06-15
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JPH09501081A (en) 1997-02-04
WO1995003741A2 (en) 1995-02-09
EP0715504B1 (en) 2001-05-30
US5389104A (en) 1995-02-14
AU675577B2 (en) 1997-02-06
AU7557194A (en) 1995-02-28
EP1066799A2 (en) 2001-01-10
DE69427359D1 (en) 2001-07-05

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