(19)

(11)

EP 0 788 609 A2

(12)

(43) Date of publication: 13.08.1997 Bulletin 1997/33 (21) Application number: 95938902.0 (22) Date of filing: 25.10.1995

(51) International Patent Classification (IPC):  G01N 24/ 00( . ) A61N 1/ 40( . ) G01R 33/ 48( . ) A61B 5/ 055( . ) A61N 2/ 00( . ) G01R 33/ 54( . ) (86) International application number: PCT/US1995/013807 (87) International publication number: WO 1996/012972 (02.05.1996 Gazette 1996/20)

(84) Designated Contracting States: CH DE FR GB IT LI NL (30) Priority: 25.10.1994 US 19940328659 (71) Applicants: WEINSTOCK, Ronald J. Westlake Village, Ventura County, CA 91361 (US) LIPSETT, Sigrid Westlake Village, Ventura County, CA 91361 (US)	(72) Inventors: WEINSTOCK, Ronald J. Westlake Village, Ventura County, CA 91361 (US) LIPSETT, Sigrid Westlake Village, Ventura County, CA 91361 (US) (74) Representative: Leeming, John Gerard  J.A. Kemp & Co., 14 South Square, Gray's Inn London WC1R 5LX London WC1R 5LX (GB)