Patent ID: 6939361
Filing Date: 2005-09-06
Classification: A61F

Abstract:
1. A medical apparatus comprising: an intervascular device comprising a contracted configuration and an expanded configuration, said intervascular device comprising an elongate wire receiving unit having an open ended channel extending therethrough for receiving a guidewire; and said guidewire comprising an elongate body extending along a longitudinal axis between a proximal end and a distal end and an expandable and contactable stop member mounted thereon which is movable between a first contracted position and a second expanded position, said expandable and contractable stop member being dimensioned to pass through said channel in the first contracted position and being dimensioned in the second expanded position thereof to have an outer dimension which is greater than the inner dimension of said channel but less than the outer dimension of said intervascular device in the expanded configuration thereof, and said elongate body comprising an outer dimension which is less than the inner dimension of said channel to permit free movement of said guidewire relative to said intervascular device within said channel in opposite directions along the longitudinal axis of said guidewire.