(19)

(11)

EP 1 503 818 A1

(12)

(43) Date of publication: 09.02.2005 Bulletin 2005/06 (21) Application number: 03725237.6 (22) Date of filing: 13.05.2003

(51) International Patent Classification (IPC)7: A61M 15/00 (86) International application number: PCT/FI2003/000367 (87) International publication number: WO 2003/095009 (20.11.2003 Gazette 2003/47)

(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 PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 14.05.2002 FI 20020909 (71) Applicant: Perlos Oyj 01510 Vantaa (FI)	(72) Inventors: LAIHO, Juha FIN-36200 Kangasala (FI) JUNKKARINEN, Vesa FIN-81100 Kontiolahti (FI) KOSUNEN, Veikko FIN-80130 Joensuu (FI) (74) Representative: Kaukonen, Juha Veikko  Kolster Oy Ab,Iso Roobertinkatu 23,P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)