(19)

(11)

EP 0 591 192 A1

(12)

(43) Date of publication: 13.04.1994 Bulletin 1994/15 (21) Application number: 91914067.0 (22) Date of filing: 16.07.1991

(51) International Patent Classification (IPC):  A61J 15/ 00( . ) (86) International application number: PCT/US1991/004848 (87) International publication number: WO 1992/001436 (06.02.1992 Gazette 1992/04)

(84) Designated Contracting States: BE DE FR GB IT (30) Priority: 19.07.1990 US 19900555969 (71) Applicant: SHERWOOD MEDICAL COMPANY St. Louis, MO 63103-1642 (US)	(72) Inventors: SCHRADER, Eugene, Francis St. Louis, MO 63110 (US) WEILBACHER, Eugene, Elmer Ellisville, MO 63021 (US) BODICKY, Raymond, Otto St. Louis, MO 63129 (US) SCHNEIDER, James, Gerard St. Louis, MO 63146 (US) (74) Representative: Chettle, Adrian John  Withers & Rogers 4, Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)