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WO1997038637B1 - Systeme de transport de l'humidite destine a l'electrocoagulation de contact - Google Patents

Systeme de transport de l'humidite destine a l'electrocoagulation de contact

Info

Publication number
WO1997038637B1
WO1997038637B1 PCT/US1997/005927 US9705927W WO9738637B1 WO 1997038637 B1 WO1997038637 B1 WO 1997038637B1 US 9705927 W US9705927 W US 9705927W WO 9738637 B1 WO9738637 B1 WO 9738637B1
Authority
WO
WIPO (PCT)
Prior art keywords
carrying member
electrodes
electrode carrying
tissue
ablation
Prior art date
Application number
PCT/US1997/005927
Other languages
English (en)
Other versions
WO1997038637A1 (fr
Filing date
Publication date
Priority claimed from US08/632,516 external-priority patent/US5769880A/en
Priority to CA002251216A priority Critical patent/CA2251216A1/fr
Priority to DE69733556T priority patent/DE69733556T2/de
Priority to JP53720297A priority patent/JP3942639B2/ja
Priority to AU25585/97A priority patent/AU721648B2/en
Priority to EP97917166A priority patent/EP0898465B1/fr
Application filed filed Critical
Priority to IL12647197A priority patent/IL126471A0/xx
Priority to BR9708644-4A priority patent/BR9708644A/pt
Priority to AT97917166T priority patent/ATE297696T1/de
Publication of WO1997038637A1 publication Critical patent/WO1997038637A1/fr
Publication of WO1997038637B1 publication Critical patent/WO1997038637B1/fr
Priority to NO984741A priority patent/NO984741L/no

Links

Abstract

Dispositif et procédé destinés à être utilisés pour l'ablation d'organes et d'autres tissus. Le dispositif comporte un élément support d'électrode sensiblement absorbant et/ou perméable à l'humidité. L'élément support d'électrode est fixé sur l'extrémité distale d'un arbre allongé, et une rangée d'électrodes est fixée à la surface de l'élément. Une fois que le dispositif d'ablation a été mis en contact avec le tissu à exciser, un générateur RF est utilisé pour délivrer une énergie RF aux électrodes et ainsi induire un flux de courant entre ces dernières et le tissu à exciser. Au moment où le courant touche le tissu, l'humidité (vapeur d'eau ou eau) quitte le tissu ce qui le déshydrate. La perméabilité et/ou la capacité d'absorption de l'élément support d'électrode permet à l'humidité de quitter le site d'ablation, ce qui l'empêche de constituer un chemin conducteur pour le courant.
PCT/US1997/005927 1996-04-12 1997-04-10 Systeme de transport de l'humidite destine a l'electrocoagulation de contact WO1997038637A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT97917166T ATE297696T1 (de) 1996-04-12 1997-04-10 Feuchtigkeitsförderungssystem für berührungselektrokoagulation
DE69733556T DE69733556T2 (de) 1996-04-12 1997-04-10 Feuchtigkeitsförderungssystem für berührungselektrokoagulation
JP53720297A JP3942639B2 (ja) 1996-04-12 1997-04-10 接触式電気凝固用水分運搬システム
AU25585/97A AU721648B2 (en) 1996-04-12 1997-04-10 A moisture transport system for contact electrocoagulation
EP97917166A EP0898465B1 (fr) 1996-04-12 1997-04-10 Systeme de transport de l'humidite destine a l'electrocoagulation de contact
CA002251216A CA2251216A1 (fr) 1996-04-12 1997-04-10 Systeme de transport de l'humidite destine a l'electrocoagulation de contact
IL12647197A IL126471A0 (en) 1996-04-12 1997-04-10 A moisture transport system for contact electrocoagulation
BR9708644-4A BR9708644A (pt) 1996-04-12 1997-04-10 Sistema de transportes de umidade para eletrocoagulação de contato
NO984741A NO984741L (no) 1996-04-12 1998-10-09 Fuktighetstransportsystem for kontakt-elektrokoagulering

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/632,516 1996-04-12
US08/632,516 US5769880A (en) 1996-04-12 1996-04-12 Moisture transport system for contact electrocoagulation

Publications (2)

Publication Number Publication Date
WO1997038637A1 WO1997038637A1 (fr) 1997-10-23
WO1997038637B1 true WO1997038637B1 (fr) 1997-11-20

Family

ID=24535818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/005927 WO1997038637A1 (fr) 1996-04-12 1997-04-10 Systeme de transport de l'humidite destine a l'electrocoagulation de contact

Country Status (13)

Country Link
US (1) US5769880A (fr)
EP (2) EP1415607B1 (fr)
JP (1) JP3942639B2 (fr)
KR (1) KR20000005488A (fr)
CN (1) CN1220590A (fr)
AT (2) ATE297696T1 (fr)
AU (1) AU721648B2 (fr)
BR (1) BR9708644A (fr)
CA (1) CA2251216A1 (fr)
DE (2) DE69739697D1 (fr)
IL (1) IL126471A0 (fr)
NO (1) NO984741L (fr)
WO (1) WO1997038637A1 (fr)

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US11564628B2 (en) 2011-04-14 2023-01-31 St. Jude Medical International Holding S.À R.L. Compact force sensor for catheters

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