(19)

(11)

EP 1 090 249 A2

(12)

(88) Date of publication A3: 27.04.2000 (43) Date of publication: 11.04.2001 Bulletin 2001/15 (21) Application number: 99928724.6 (22) Date of filing: 16.06.1999

(51) International Patent Classification (IPC)7: F17C 1/00 (86) International application number: PCT/US9913/597 (87) International publication number: WO 9966/255 (23.12.1999 Gazette 1999/51)

(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: 17.06.1998 US 89692 P 30.07.1998 US 126448 (71) Applicant: Medi-Physics, Inc. Princeton, NJ 08540 (US)	(72) Inventors: ZOLLINGER, David, L. Chapel Hill, NC 27514 (US) DEATON, Daniel, M. Raleigh, NC 27606 (US) DRIEHUYS, Bastiaan Durham, NC 27707 (US) HASSON, Kenton, C. Durham, NC 27713 (US) (74) Representative: Harrison Goddard Foote  Tower House,Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)