(19)
(11) EP 0 904 800 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
03.03.2004 Bulletin 2004/10

(45) Mention of the grant of the patent:
29.10.2003 Bulletin 2003/44

(21) Application number: 98122946.1

(22) Date of filing: 04.06.1992
(51) International Patent Classification (IPC)7: A61B 18/12

(54)

Device and method for multi-phase radio-frequency ablation

Vorrichtung und Verfahren zur Ablation mittels mehrphasiger Hochfrequenz.

Procédé et dispositif d'ablation de tissus par radiofréquence polyphasée.

(84) Designated Contracting States:
BE DE ES FR GB IT NL

(30) Priority: 05.07.1991 US 726035

(43) Date of publication of application:
31.03.1999 Bulletin 1999/13

(60) Divisional application:
03024531.0 / 1382368

(62) Application number of the earlier application in accordance with Art. 76 EPC:
92914261.0 / 0598742

(73) Proprietor: Desai, Jawahar M.
Roseville, CA 95661 (US)

(72) Inventors:
  • Nyo, Htay L.
    San Jose, California 95112 (US)
  • Desai, Jawahar M.
    Roseville,California 95661 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)


(56) References cited: : 
US-A- 4 966 597
 US-A- 5 083 565
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).