Evagination catheters

Details Evagination catheters Evagination catheters

A - Human Necessities

61

F

128/127

A61F 7/00 (2006.01) A61M 25/01 (2006.01)

Patent

CA 1078694

. ABSTRACT OF THE DISCLOSURE Urinary evagination catheters comprising a rigid tube and a flexible invaginated hose are provided with a novel stopper arrangement in the ported distal end of the hose that remains closed until the hose is fully everted from the tube at which point it automatically opens to permit fluid flow through the catheter. This eliminates the need for a push rod or the like to evert the hose and permits it to be everted simply by fluid pressure applied to the proximal and of the catheter. Methods for producing the new catheters are described.

281017

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