(19)

(11)

EP 1 605 820 A1

(12)

(43) Date of publication: 21.12.2005 Bulletin 2005/51 (21) Application number: 04723141.0 (22) Date of filing: 25.03.2004

(51) International Patent Classification (IPC)7: A61B 5/053, G06F 19/00 (86) International application number: PCT/CA2004/000450 (87) International publication number: WO 2004/084723 (07.10.2004 Gazette 2004/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 26.03.2003 CA 2423442 (71) Applicant: Z-Tech (Canada) Inc. Toronto,Ontario M5A 4J5 (CA)	(72) Inventors: GRAOVAC, Milan Toronto, Ontario M5M 4M4 (CA) PAVLOVIC, Zoran Toronto, Ontario M5M 1B5 (CA) (74) Representative: Harrison Goddard Foote  Belgrave Hall, Belgrave Street Leeds, LS2 8DD Leeds, LS2 8DD (GB)