DE60309901D1 - Multiples hf-neutralelektrodenkontakterkennungssystem - Google Patents

Multiples hf-neutralelektrodenkontakterkennungssystem

Info

Publication number
DE60309901D1
DE60309901D1 DE60309901T DE60309901T DE60309901D1 DE 60309901 D1 DE60309901 D1 DE 60309901D1 DE 60309901 T DE60309901 T DE 60309901T DE 60309901 T DE60309901 T DE 60309901T DE 60309901 D1 DE60309901 D1 DE 60309901D1
Authority
DE
Germany
Prior art keywords
detection system
electrode contact
contact detection
neutral electrode
neutral
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.)
Expired - Lifetime
Application number
DE60309901T
Other languages
English (en)
Other versions
DE60309901T2 (de
Inventor
A Sturm
N Gregg
A Fredricks
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
Sherwood Service AG
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 Sherwood Service AG filed Critical Sherwood Service AG
Application granted granted Critical
Publication of DE60309901D1 publication Critical patent/DE60309901D1/de
Publication of DE60309901T2 publication Critical patent/DE60309901T2/de
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
    • 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
    • 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
    • A61B18/16—Indifferent or passive electrodes for grounding
    • 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
    • A61B18/16—Indifferent or passive electrodes for grounding
    • A61B2018/165—Multiple indifferent electrodes
DE60309901T 2002-09-25 2003-09-11 Multiples hf-neutralelektrodenkontakterkennungssystem Expired - Lifetime DE60309901T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US254956 2002-09-25
US10/254,956 US6860881B2 (en) 2002-09-25 2002-09-25 Multiple RF return pad contact detection system
PCT/US2003/028537 WO2004028385A1 (en) 2002-09-25 2003-09-11 Multiple rf return pad contact detection system

Publications (2)

Publication Number Publication Date
DE60309901D1 true DE60309901D1 (de) 2007-01-04
DE60309901T2 DE60309901T2 (de) 2007-10-31

Family

ID=31993416

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60309901T Expired - Lifetime DE60309901T2 (de) 2002-09-25 2003-09-11 Multiples hf-neutralelektrodenkontakterkennungssystem

Country Status (8)

Country Link
US (3) US6860881B2 (de)
EP (3) EP2258295A3 (de)
JP (1) JP4383536B2 (de)
AU (2) AU2003266140B2 (de)
CA (1) CA2499855C (de)
DE (1) DE60309901T2 (de)
ES (1) ES2275136T3 (de)
WO (1) WO2004028385A1 (de)

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US20070073284A1 (en) 2007-03-29
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US6860881B2 (en) 2005-03-01
US20050021022A1 (en) 2005-01-27
EP1719471B1 (de) 2015-03-25
EP1719471A3 (de) 2010-07-21
US7160293B2 (en) 2007-01-09
AU2003266140B2 (en) 2008-07-10
JP2006500165A (ja) 2006-01-05
CA2499855A1 (en) 2004-04-08
AU2008229843A1 (en) 2008-10-30
EP1542603A1 (de) 2005-06-22
AU2003266140A1 (en) 2004-04-19
US7938825B2 (en) 2011-05-10
CA2499855C (en) 2013-04-23
EP1719471A2 (de) 2006-11-08

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