(19)

(11)

EP 1 229 832 A1

(12)

(43) Date of publication: 14.08.2002 Bulletin 2002/33 (21) Application number: 99966529.2 (22) Date of filing: 21.12.1999

(51) International Patent Classification (IPC)7: A61B 5/05, G06G 7/48 (86) International application number: PCT/US9930/510 (87) International publication number: WO 0145/556 (28.06.2001 Gazette 2001/26)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (71) Applicant: Bechtel BWXT Idaho, LLC Idaho Falls, ID 83415-3899 (US)	(72) Inventors: FRANDSEN, Michael, W. Helena, MT 59601 (US) WESSOL, Daniel, E. Bozeman, MT 59715 (US) WHEELER, Floyd, J. Idaho Falls, ID 83402 (US) (74) Representative: Evens, Paul Jonathan et al Maguire Boss,5 Crown Street St. Ives,Cambridge PE27 5EB St. Ives,Cambridge PE27 5EB (GB)