(19)
(11) EP 0 975 386 A1

(12)

(43) Date of publication:
02.02.2000 Bulletin 2000/05

(21) Application number: 97944275.3

(22) Date of filing: 17.01.1997
(51) International Patent Classification (IPC)7: A61N 1/05, A61B 17/39
(86) International application number:
PCT/US9701/177
(87) International publication number:
WO 9745/156 (04.12.1997 Gazette 1997/52)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 19.01.1996 US 10223 P
19.01.1996 US 10225 P
19.01.1996 US 10354 P
12.04.1996 US 631577
12.04.1996 US 634334
12.04.1996 US 631356
12.04.1996 US 631575
12.04.1996 US 634338
12.04.1996 US 631074
12.04.1996 US 631573
12.04.1996 US 631252
12.04.1996 US 634339
12.04.1996 US 644605

(71) Applicant: EP Technologies, Inc.
San Jose, California 95134 (US)

(72) Inventors:
  • SWANSON, David, K.
    Mountain View, CA 94040 (US)
  • PANESCU, Dorin
    Sunnyvale, CA 94086 (US)
  • WHAYNE, James, G.
    Saratoga, CA 95070 (US)
  • OWENS, Patrick, M.
    Cupertino, CA 95014 (US)
  • FLEISCHMAN, Sidney, D.
    Menlo Park, CA 94025 (US)
  • THOMPSON, Russell, B.
    Los Altos, CA 94022 (US)
  • JACKSON, Jerome
    Los Altos, CA 94024 (US)

(74) Representative: Viering, Jentschura & Partner 
Postfach 22 14 43
80504 München
80504 München (DE)


(56) References cited: : 
   
       


    (54) TISSUE HEATING AND ABLATION SYSTEMS AND METHODS USING POROUS ELECTRODE STRUCTURES