(19)

(11)

EP 0 955 862 A1

(12)

(43) Date of publication: 17.11.1999 Bulletin 1999/46 (21) Application number: 95929123.0 (22) Date of filing: 30.08.1995

(51) International Patent Classification (IPC):  A61B 3/ 16( . ) (86) International application number: PCT/FI1995/000460 (87) International publication number: WO 1996/006560 (07.03.1996 Gazette 1996/11)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 30.08.1994 FI 19940003965 (71) Applicant: Kontiola, Antti Ilmari 00400 Helsinki (FI)	(72) Inventor: Kontiola, Antti Ilmari 00400 Helsinki (FI) (74) Representative: Laitinen, Pauli Sakari  Patentti-Laitinen Oy, P.O. Box 29 02771 Espoo 02771 Espoo (FI)