(19)

(11)

EP 0 104 166 A1

(12)

(43) Date of publication: 04.04.1984 Bulletin 1984/14 (21) Application number: 82901258.0 (22) Date of filing: 22.03.1982

(51) International Patent Classification (IPC):  A61B 5/ 00( . ) A61B 5/ 0484( . ) A61B 5/ 0424( . ) A61B 5/ 0496( . ) (86) International application number: PCT/US1982/000343 (87) International publication number: WO 1983/003341 (13.10.1983 Gazette 1983/24)

(84) Designated Contracting States: CH DE FR GB LI NL (71) Applicants: LEDLEY, Robert S. Silver Spring Maryland 20903 (US) GOLAB, Thomas J. Beltsville MD 20705 (US)	(72) Inventors: LEDLEY, Robert S. Silver Spring Maryland 20903 (US) GOLAB, Thomas J. Beltsville MD 20705 (US) (74) Representative: Mongrédien, André  c/o SOCIETE DE PROTECTION DES INVENTIONS 25, rue de Ponthieu F-75008 Paris F-75008 Paris (FR)