Patent ID: 6595957
Filing Date: 2003-07-22
Classification: A61M,Y10T

Abstract:
Apparatus for controlling the volume of surgical liquid present in a cavity in the body of a patient during surgery, comprising:a surgical liquid pump for pumping the surgical liquid to the cavity via a conduit; and a dampener disposed between said surgical liquid pump and said cavity, said dampener receiving a liquid output of said surgical liquid pump and having a pressure sensitive volumetric capacity such that variations in output volume of said surgical liquid pump are diminished by said dampener, said dampener having an output which is directed to said cavity, said dampener having a pressure chamber with a surgical liquid inlet and a surgical liquid outlet, said pressure chamber having a selected total volume, a portion of said total volume being occupied by compressible matter, the compressible matter offering increasing resistance to increasing surgical liquid volume in said pressure chamber.