Patent ID: 7828751
Filing Date: 2010-11-09
Classification: A61B,A61M

Abstract:
1. A medical device for placement in an anatomy and for use with a guide wire, the medical device comprising: a cannula member configured to be inserted into the anatomy, said cannula member having a terminal proximal end, a terminal distal end, and a wall that includes an outer wall surface and a cylindrical inner wall surface, said inner wall surface defining an inner passage that extends along a longitudinal axis of the medical device, said outer wall surface remaining circular in cross section from said terminal proximal end to said terminal distal end; and a guide wire holding member formed in said wall of said cannula member and extending continuously from said terminal proximal end to said terminal distal end of said cannula member, said guide wire holding member defining a cavity in said wall of said cannula member between said outer wall surface and said inner wall surface and wherein said inner wall surface comprises an aperture extending continuously from said terminal proximal end to said terminal distal end of said cannula member, said aperture in communication with said cavity that permits the guide wire to move between said inner passage and said cavity of said cannula member in a direction that is generally perpendicular to said longitudinal axis of the medical device when a longitudinal axis of the guide wire is generally parallel to said longitudinal axis of the medical device.