(19)

(11)

EP 0 814 865 A1

(12)

(43) Date of publication: 07.01.1998 Bulletin 1998/02 (21) Application number: 96909798.0 (22) Date of filing: 21.03.1996

(51) International Patent Classification (IPC):  A61M 1/ 02( . ) A61M 39/ 02( . ) (86) International application number: PCT/US1996/003814 (87) International publication number: WO 1996/029112 (26.09.1996 Gazette 1996/43)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.03.1995 US 19950407166 (71) Applicant: THEREX CORPORATION Walpole, MA 02081 (US)	(72) Inventor: MELSKY, Gerald, S. Lexington, MA 02173 (US) (74) Representative: Dixon, Donald Cossar, et al  Gee & Co. Chancery House Chancery Lane London WC2A 1QU London WC2A 1QU (GB)