(19)

(11)

EP 1 019 739 A1

(12)

(43) Date of publication: 19.07.2000 Bulletin 2000/29 (21) Application number: 98934634.1 (22) Date of filing: 17.07.1998

(51) International Patent Classification (IPC)7: G01R 31/02, A61N 1/14 (86) International application number: PCT/US9814/878 (87) International publication number: WO 9904/277 (28.01.1999 Gazette 1999/04)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 17.07.1997 US 52944 P 27.04.1998 US 67496 (71) Applicant: SEMTRONICS CORPORATION Peachtree City, GA 30269 (US)	(72) Inventor: SANCHEZ, Michael, Albert Fayetteville, GA 30215 (US) (74) Representative: Weston, Robert Dale et al PHILLIPS & LEIGH5 Pemberton Row London EC4A 3BA London EC4A 3BA (GB)