Patent ID: 8047986

Claim:
A molded and undivided medical penetrating device comprising: a first portion of the device adapted for insertion into the interior of a body through an opening in a body and for retention in the body cavity following insertion; a second portion of the device integrally joined to the first portion of the device by a joining portion of the device and adapted to be maintained essentially outside the body while the first portion of the device is retained within the body, the second portion of the device having a substantially tubular configuration and including an outer surface, a proximal end adjacent the first portion of the device and a distal end removed from the first portion of the device; and an opening extending through the first portion of the device and the second portion of the device and providing access to the interior of the body from outside the body, the outer surface of the substantially tubular second portion of the device and the opening extending through the substantially tubular second portion of the device forming a wall therebetween, and a thickness of the wall at the location where the first portion of the device and the tubular second portion of the device are integrally joined to one another by the joining portion of the device being less than a thickness of the wall adjacent thereto but nearer the distal end of the substantially tubular second portion of the device, wherein an outer diameter of the substantially tubular second portion is uniform and an inner diameter of the substantially tubular portion is increased surrounded the joining portion.