APPARATUS, CATHETER AND METHOD FOR CHEMICAL CONTACT DISSOLUTION OF GALLSTONES - Patent 0516726

(19)

(11)

EP 0 516 726 A1

(12)

(43)	Date of publication:
	09.12.1992 Bulletin 1992/50

(21)	Application number: 91905240.0

(22)	Date of filing: 15.02.1991

(51)

International Patent Classification (IPC):

A61B 17/ 22^{( . )}
A61M 25/ 00^{( . )}

A61M 1/ 00^{( . )}
A61M 31/ 00^{( . )}

(86)	International application number:
	PCT/US1991/001037

(87)	International publication number:
	WO 1991/012830 (05.09.1991 Gazette 1991/21)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30)

Priority:

20.02.1990 US 19900482194

(71)	Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
	Berkeley, California 94720 (US)

(72)	Inventor:
	ZAKKO, Salam, F. Farmington, CT 06032 (US)

(74)	Representative: Wilson, Nicholas Martin
	WITHERS & ROGERS 4 Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)

(54)	APPARATUS, CATHETER AND METHOD FOR CHEMICAL CONTACT DISSOLUTION OF GALLSTONES