(19)

(11)

EP 0 544 709 A1

(12)

(43) Date of publication: 09.06.1993 Bulletin 1993/23 (21) Application number: 91914231.0 (22) Date of filing: 29.07.1991

(51) International Patent Classification (IPC):  A61B 3/ 12( . ) A61B 5/ 0496( . ) A61B 3/ 125( . ) (86) International application number: PCT/US1991/005359 (87) International publication number: WO 1992/003088 (05.03.1992 Gazette 1992/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 17.08.1990 US 19900570123 (71) Applicants: PETERS, Daniel, R. Medical Lake, WA 99022 (US) TABOADA, John San Antonio, TX 78230 (US)	(72) Inventors: PETERS, Daniel, R. Medical Lake, WA 99022 (US) TABOADA, John San Antonio, TX 78230 (US) (74) Representative: Wächtershäuser, Günter, Prof. Dr., et al  Patentanwalt, Tal 29 D-80331 München D-80331 München (DE)