(19)

(11)

EP 1 774 361 A2

(12)

(43) Date of publication: 18.04.2007 Bulletin 2007/16 (21) Application number: 04748756.6 (22) Date of filing: 18.06.2004

(51) International Patent Classification (IPC):  G01S 15/89(2006.01) A61B 8/14(2006.01) A61B 8/00(2006.01) (86) International application number: PCT/NO2004/000180 (87) International publication number: WO 2006/001697 (05.01.2006 Gazette 2006/01)

(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 HR LT LV MK (71) Applicants: Angelsen, Bjorn A. J. 7051 Trondheim (NO) Hansen, Rune N-7105 Stadsbygd (NO)	(72) Inventors: Angelsen, Bjorn A. J. 7051 Trondheim (NO) Hansen, Rune N-7105 Stadsbygd (NO) (74) Representative: Howe, Steven  Lloyd Wise Commonwealth House, 1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)