(19)

(11)

EP 0 600 002 A1

(12)

(43) Date of publication: 08.06.1994 Bulletin 1994/23 (21) Application number: 92918653.0 (22) Date of filing: 24.08.1992

(51) International Patent Classification (IPC):  A22B 5/ 00( . ) G01N 29/ 04( . ) G01N 33/ 12( . ) A61B 8/ 08( . ) G01N 29/ 30( . ) G01S 7/ 52( . ) (86) International application number: PCT/US1992/006954 (87) International publication number: WO 1993/004364 (04.03.1993 Gazette 1993/06)

(84) Designated Contracting States: GB (30) Priority: 22.08.1991 US 19910748503 27.07.1992 US 19920919822 (71) Applicant: ANIMAL ULTRASOUND SERVICES, INC. Ithaca, NY 14850 (US)	(72) Inventors: STOUFFER, James, R. Ithaca, NY 14850 (US) MILLER, Dale, C. Apex, NC 27502 (US) LIU, Yujun Ithaca, NY 14850 (US) (74) Representative: Jones, Graham H.  Graham Jones & Company 77 Beaconsfield Road Blackheath London SE3 7LG London SE3 7LG (GB)