(19)

(11)

EP 0 797 384 A1

(12)

(43) Date of publication: 01.10.1997 Bulletin 1997/40 (21) Application number: 95943059.0 (22) Date of filing: 11.12.1995

(51) International Patent Classification (IPC):  A01N 1/ 02( . ) (86) International application number: PCT/US1995/016065 (87) International publication number: WO 1996/018293 (20.06.1996 Gazette 1996/28)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.12.1994 US 19940354503 27.11.1995 US 19950563222 (71) Applicant: CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY doing business as Carolinas Medical Center Charlotte, NC 32861 (US)	(72) Inventor: RAYMOND, Richard, M. Charlotte, NC 28277 (US) (74) Representative: Hanna, Peter William Derek, et al  Tomkins & Co., 5 Dartmouth Road Dublin 6 Dublin 6 (IE)