(19)

(11)

EP 0 476 064 A1

(12)

(43) Date of publication: 25.03.1992 Bulletin 1992/13 (21) Application number: 90911161.0 (22) Date of filing: 07.06.1990

(51) International Patent Classification (IPC):  A61B 6/ 03( . ) G01T 1/ 161( . ) G21K 1/ 02( . ) A61N 5/ 10( . ) G01T 7/ 00( . ) (86) International application number: PCT/US1990/003232 (87) International publication number: WO 1990/015346 (13.12.1990 Gazette 1990/28)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI NL SE (30) Priority: 08.06.1989 US 19890363243 09.03.1990 US 19900491390 (71) Applicant: CARE WISE MEDICAL PRODUCTS CORPORATION Morgan Road, CA 95038-1655 (US)	(72) Inventors: CARROLL, Robert, G. Largo, FL 34643 (US) WISE, Robin, A., Jr. Morgan Hill, CA 95037 (US) (74) Representative: Shaw, Laurence  5th Floor, Metropolitan House, 1 Hagley Road, Edgbaston Birmingham B16 8TG Birmingham B16 8TG (GB)