Patent Number: 6,569,077

Title: Dimpled seed implant needle

Abstract: A seeding needle has a detent formed near its distal end to preventradioactive seeds and spacers from sliding out of the needle under theinfluence of gravity. In a first embodiment, the detent is provided in theform of a dimple that provides an interior protuberance that holds theseeds and spacers and a smooth exterior recess that does not cut tissue asthe needle is advanced or retracted. In a second embodiment, a coined slotprovides an interior protuberance and an exterior recess also havingsmooth, non-cutting edges. A third embodiment provides a plug that enablesreduction of the size of the detent.

Inventors: Schmidt; Bruno (New Smyrna Beach, FL)


International Classification: A61N 5/10 (20060101); A61M 36/00 (20060101); A61M 036/00 (); A61N 005/00 ()

Expiration Date: 05/22015