ULTRASONIC BONDING OF A FELT FILTER TO A FRAME IN A HARDSHELL RESERVOIR - Patent 1053034

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EP 1 053 034 A1

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(43)	Date of publication:
	22.11.2000 Bulletin 2000/47

(21)	Application number: 98953600.8

(22)	Date of filing: 15.10.1998

(51)	International Patent Classification (IPC)⁷: A61M 1/36, B01D 29/11

(86)	International application number:
	PCT/US9821/867

(87)	International publication number:
	WO 9920/325 (29.04.1999 Gazette 1999/17)

(84)	Designated Contracting States:
	DE FR GB IT

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Priority:

22.10.1997 US 955605

(71)	Applicant: MEDTRONIC, INC.
	Minneapolis,Minnesota 55432-3576 (US)

(72)	Inventor:
	VAN DRIEL, Michael, R. Fountain Valley, CA 92708 (US)

(74)	Representative: Hughes, Andrea Michelle
	Frank B. Dehn & Co.,European Patent Attorneys,179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)

(54)	ULTRASONIC BONDING OF A FELT FILTER TO A FRAME IN A HARDSHELL RESERVOIR