(19)

(11)

EP 0 493 525 A1

(12)

(43) Date of publication: 08.07.1992 Bulletin 1992/28 (21) Application number: 90915563.0 (22) Date of filing: 14.09.1990

(51) International Patent Classification (IPC):  A61B 5/ 08( . ) A61B 5/ 087( . ) A61M 16/ 01( . ) A61B 5/ 083( . ) A61M 16/ 00( . ) A61M 16/ 22( . ) (86) International application number: PCT/US1990/005250 (87) International publication number: WO 1991/003979 (04.04.1991 Gazette 1991/08)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 20.09.1989 US 19890410115 (71) Applicants: WESTENSKOW, Dwayne Salt Lake City, UT 84121 (US) ORR, Joseph Salt Lake City, UT 84108 (US)	(72) Inventors: WESTENSKOW, Dwayne Salt Lake City, UT 84121 (US) ORR, Joseph Salt Lake City, UT 84108 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Maximilianstrasse 58 D-80538 München D-80538 München (DE)