CA2160032A1 - Ultrasonic Surgical Instrument and Methods for Manufacturing - Google Patents

Ultrasonic Surgical Instrument and Methods for Manufacturing

Info

Publication number
CA2160032A1
CA2160032A1 CA2160032A CA2160032A CA2160032A1 CA 2160032 A1 CA2160032 A1 CA 2160032A1 CA 2160032 A CA2160032 A CA 2160032A CA 2160032 A CA2160032 A CA 2160032A CA 2160032 A1 CA2160032 A1 CA 2160032A1
Authority
CA
Canada
Prior art keywords
shaft
sheath
nodes
except
diameter
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
CA2160032A
Other languages
French (fr)
Other versions
CA2160032C (en
Inventor
Brian K. Estabrook
Stephen Dimatteo
Lionel J. Motta
John C. Wright
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
Brian K. Estabrook
Stephen Dimatteo
Lionel J. Motta
John C. Wright
Ultracision Inc.
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 Brian K. Estabrook, Stephen Dimatteo, Lionel J. Motta, John C. Wright, Ultracision Inc., Ethicon Endo-Surgery, Inc. filed Critical Brian K. Estabrook
Publication of CA2160032A1 publication Critical patent/CA2160032A1/en
Application granted granted Critical
Publication of CA2160032C publication Critical patent/CA2160032C/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
    • A61B2017/00831—Material properties
    • A61B2017/0084—Material properties low friction
    • 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
    • A61B2017/00853—Material properties low friction, hydrophobic and corrosion-resistant fluorocarbon resin coating (ptf, ptfe, polytetrafluoroethylene)
    • 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
    • A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising 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
    • A61B2017/320084—Irrigation sleeves
    • 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
    • A61B2017/320088—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with acoustic insulation, e.g. elements for damping vibrations between horn and surrounding sheath
    • 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 ultrasonic instrument includes a shaft (12) having an integral sheath (20) of PTFE
encompassing the shaft and attached solely to the shaft. At the proximal end of the shaft, wrench flats (24, 26) arc exposed through openings in the sheath and grooves cooperate with complementary ribs (32, 34) on the sheath to prevent relative longitudinal and rotational displacement of the sheath and shaft. The sheath is in contact with the shaft at the nodes along the shaft. To manufacture the instrument, the sheath is initially formed to a diameter equal to or less than the diameter of the shaft and then mechanically expanded.
Subsequently, the sheath is heat-shrunk about the shaft, and rolled continuously along the shaft, except at regions corresponding to the nodes along the shaft, to expand the sheath to a larger diameter to space the sheath from the shaft except at the nodes of the shaft.
CA002160032A 1993-04-15 1994-03-31 Ultrasonic surgical instrument and methods for manufacturing Expired - Lifetime CA2160032C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US046,852 1993-04-15
US08/046,852 US5346502A (en) 1993-04-15 1993-04-15 Laparoscopic ultrasonic surgical instrument and methods for manufacturing the instruments
PCT/US1994/003584 WO1994023655A1 (en) 1993-04-15 1994-03-31 Ultrasonic surgical instrument and methods for manufacturing

Publications (2)

Publication Number Publication Date
CA2160032A1 true CA2160032A1 (en) 1994-10-27
CA2160032C CA2160032C (en) 1999-12-14

Family

ID=21945743

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002160032A Expired - Lifetime CA2160032C (en) 1993-04-15 1994-03-31 Ultrasonic surgical instrument and methods for manufacturing

Country Status (6)

Country Link
US (1) US5346502A (en)
EP (2) EP1219249A1 (en)
JP (1) JPH08509628A (en)
CA (1) CA2160032C (en)
DE (1) DE69431355T2 (en)
WO (1) WO1994023655A1 (en)

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CA2160032C (en) 1999-12-14
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EP0711128A4 (en) 1997-05-21
DE69431355T2 (en) 2003-05-15
JPH08509628A (en) 1996-10-15
DE69431355D1 (en) 2002-10-17
EP0711128A1 (en) 1996-05-15
US5346502A (en) 1994-09-13
EP1219249A1 (en) 2002-07-03

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