Patent ID: 6099505
Filing Date: 2000-08-08
Classification: A61B,A61M,Y10T

Abstract:
A trocar assembly, comprising:a) a cannula assembly including a cannula base having a first coupling, and a hollow cannula extending from said cannula base, said cannula base defining a first fluid passage in fluid communication with said hollow cannula;b) a disposable valve assembly having a valve body defining a second fluid passage, a valve in fluid communication with said second fluid passage, and a fluid seal, said valve body including a distal portion and a second coupling configured to removably couple said disposable valve assembly with said first coupling of said cannula assembly to effect a fluid coupling of said first and second fluid passages, said fluid seal surrounding said distal portion of said valve body; andc) a trocar insertable through said cannula, said trocar having a proximal handle, wherein,said first and second fluid passages and said cannula are dimensioned to permit said trocar to be inserted therethrough,said valve is configured to permit said trocar to be inserted through said valve and to automatically seal said second fluid passage when said trocar is removed from said valve.