(19)

(11)

EP 0 052 644 A1

(12)

(43) Date of publication: 02.06.1982 Bulletin 1982/22 (21) Application number: 81901660.0 (22) Date of filing: 26.05.1981

(51) International Patent Classification (IPC):  A61B 3/ 135( . ) A61B 3/ 14( . ) (86) International application number: PCT/US1981/000694 (87) International publication number: WO 1981/003417 (10.12.1981 Gazette 1981/29)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 27.05.1980 US 19800153209 (71) Applicant: VANIDERSTINE, Richard Dallas, TX 75230 (US)	(72) Inventor: VANIDERSTINE, Richard Dallas, TX 75230 (US)