CA2276316A1 - Method of balancing asymmetric ultrasonic surgical blades - Google Patents

Method of balancing asymmetric ultrasonic surgical blades Download PDF

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Publication number
CA2276316A1
CA2276316A1 CA002276316A CA2276316A CA2276316A1 CA 2276316 A1 CA2276316 A1 CA 2276316A1 CA 002276316 A CA002276316 A CA 002276316A CA 2276316 A CA2276316 A CA 2276316A CA 2276316 A1 CA2276316 A1 CA 2276316A1
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CA
Canada
Prior art keywords
treatment portion
asymmetric
ultrasonic surgical
transmission rod
present
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
CA002276316A
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French (fr)
Other versions
CA2276316C (en
Inventor
Jean M. Beaupre
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.)
Ethicon Endo Surgery Inc
Original Assignee
Ethicon Endo Surgery Inc
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 Ethicon Endo Surgery Inc filed Critical Ethicon Endo Surgery Inc
Publication of CA2276316A1 publication Critical patent/CA2276316A1/en
Application granted granted Critical
Publication of CA2276316C publication Critical patent/CA2276316C/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
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • 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
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320069—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for ablating tissue
    • 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
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/320074—Working tips with special features, e.g. extending parts blade
    • A61B2017/320077—Working tips with special features, e.g. extending parts blade double edge blade, e.g. reciprocating
    • 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
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320089—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic node location

Abstract

The present invention describes a method of designing a balanced ultrasonic surgical instrument including an ultrasonic transmission rod and an asymmetric ultrasonically actuated blade attached to the distal end of the ultrasonic transmission rod. According to the present invention, the ultrasonically actuated blade includes a treatment portion. The treatment portion has a functional feature such as, for example, a curved blade which makes the treatment portion asymmetric. In the method according to the present invention, a balance portion including at least a first asymmetric balance feature is designed and positioned between the ultrasonically actuated blade and the ultrasonic transmission rod to balance out any undesirable torque generated by the treatment portion.
CA002276316A 1998-06-29 1999-06-25 Method of balancing asymmetric ultrasonic surgical blades Expired - Lifetime CA2276316C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10666198A 1998-06-29 1998-06-29
US09/106,661 1998-06-29

Publications (2)

Publication Number Publication Date
CA2276316A1 true CA2276316A1 (en) 1999-12-29
CA2276316C CA2276316C (en) 2008-02-12

Family

ID=22312594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002276316A Expired - Lifetime CA2276316C (en) 1998-06-29 1999-06-25 Method of balancing asymmetric ultrasonic surgical blades

Country Status (7)

Country Link
US (1) US6283981B1 (en)
EP (1) EP0968684B1 (en)
JP (1) JP3510157B2 (en)
AU (1) AU741478B2 (en)
CA (1) CA2276316C (en)
DE (1) DE69934358T2 (en)
ES (1) ES2279605T3 (en)

Cited By (1)

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US8002782B2 (en) 1999-10-05 2011-08-23 Ethicon Endo-Surgery, Inc. Curved clamp arm tissue pad attachment for use with ultrasonic surgical instruments

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