(19)

(11)

EP 0 731 669 A1

(12)

(43) Date of publication: 18.09.1996 Bulletin 1996/38 (21) Application number: 93901176.0 (22) Date of filing: 11.12.1992

(51) International Patent Classification (IPC):  A61B 17/ 02( . ) A61B 17/ 28( . ) (86) International application number: PCT/US1992/010975 (87) International publication number: WO 1994/013212 (23.06.1994 Gazette 1994/14)

(84) Designated Contracting States: BE CH DE DK ES FR GB IT LI NL SE (71) Applicant: TEKDYNE, INC. Quakertown, PA 18951 (US)	(72) Inventor: SMITH, Stephen, H. Riegelsville, PA 18077 (US) (74) Representative: Mayes, Stuart David, et al  BOULT, WADE & TENNANT 27 Furnival Street London, EC4A 1PQ London, EC4A 1PQ (GB)