Patent ID: 6572592
Filing Date: 2003-06-03
Classification: A61J,A61M,F21K,Y10S

Abstract:
A medical valve comprising:a body including an internal cavity having a proximal end and a distal end, said proximal end having an opening sufficiently large to receive a delivery end of a medical implement which transfers fluid through said delivery end, a spike have a tip and a passageway with a hole that allows fluid to flow through said passageway, and a resilient seal which is adapted to be moved into a compressed state upon insertion of the of the medical implement into said opening to open the valve and returns to a decompressed state upon removal of said tip to close said valve, said seal being pierced by the spike upon being compressed and having a proximal end including a pressure responsive element disposed on an inner surface of the seal adjacent said opening, said pressure responsive element in the decompressed state closing any orifice in the seal at said proximal end to provide an essentially fluid-tight seal while in the decompressed state.