CA2227236A1 - Coated electrosurgical electrode and method of manufacture - Google Patents

Coated electrosurgical electrode and method of manufacture

Info

Publication number
CA2227236A1
CA2227236A1 CA002227236A CA2227236A CA2227236A1 CA 2227236 A1 CA2227236 A1 CA 2227236A1 CA 002227236 A CA002227236 A CA 002227236A CA 2227236 A CA2227236 A CA 2227236A CA 2227236 A1 CA2227236 A1 CA 2227236A1
Authority
CA
Canada
Prior art keywords
coating
manufacture
electrosurgical
blade
electrode
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
CA002227236A
Other languages
French (fr)
Other versions
CA2227236C (en
Inventor
Gene H. Arts
Jan E. Carr
Karen T. Kuk-Nagle
Michael D. Lontine
Brian A. Millberg
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.)
Covidien AG
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2227236A1 publication Critical patent/CA2227236A1/en
Application granted granted Critical
Publication of CA2227236C publication Critical patent/CA2227236C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61B18/1402—Probes for open 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
    • A61B18/1206—Generators therefor
    • A61B18/1233—Generators therefor with circuits for assuring patient safety
    • 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
    • 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
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1412—Blade

Abstract

A design and method of manufacture are disclosed for an electrosurgical electrode (10) with a silicone coating. The coating resists the build-up of eschar. The silicone material is thick enough in the flat area of the blade to withstand the electrosurgical voltage without breakdown. The electrosurgical current path is primarily through the blade edges (15) and tip. The flat of the blade remains insulated under most conditions. The relatively thick coating also provides high tear strength and added durability. The composition of the electrode (10) coatings may include silicone elastomers (11) in the form of adhesives, dispersions, or liquid rubbers. The coating composition may also contain adhesion promoters, heat stabilizers, plasticizers, release enhancers, cross-linking agents, and colorants. Several methods of manufacture are illustrated by way of examples.
CA002227236A 1995-09-27 1996-06-28 Coated electrosurgical electrode and method of manufacture Expired - Fee Related CA2227236C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/534,353 1995-09-27
US08/534,353 US5702387A (en) 1995-09-27 1995-09-27 Coated electrosurgical electrode
PCT/IB1996/000619 WO1997011649A1 (en) 1995-09-27 1996-06-28 Coated electrosurgical electrode and method of manufacture

Publications (2)

Publication Number Publication Date
CA2227236A1 true CA2227236A1 (en) 1997-04-03
CA2227236C CA2227236C (en) 2001-03-27

Family

ID=24129684

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002227236A Expired - Fee Related CA2227236C (en) 1995-09-27 1996-06-28 Coated electrosurgical electrode and method of manufacture

Country Status (8)

Country Link
US (1) US5702387A (en)
EP (2) EP1330990B1 (en)
JP (1) JP3182153B2 (en)
AU (1) AU717898B2 (en)
CA (1) CA2227236C (en)
DE (2) DE69629705T2 (en)
ES (2) ES2250775T3 (en)
WO (1) WO1997011649A1 (en)

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US5702387A (en) 1997-12-30
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AU6013596A (en) 1997-04-17
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EP1330990A1 (en) 2003-07-30
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WO1997011649A1 (en) 1997-04-03
JP3182153B2 (en) 2001-07-03

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