Patent ID: 6945998
Filing Date: 2005-09-20
Classification: A61M

Abstract:
1. Corporal implantation device for assisting blood and heart vertricular circulation which is to be inserted as a blood pumping means for assisting circulation between a heart chamber and a vessel of the natural blood circulating system, comprising: a) a receptacle provided with an inlet and an outlet having means for connecting to a heart chamber and to a vessel; b) inlet and outlet valves in said inlet and outlet, respectively; c) said valves determining unidirectional circulation through at least one circulation variable chamber; d) there being, adjacent said circulation variable chamber, at least one pneumatic variable chamber, as a means for compressing said circulation variable chamber; e) between said circulation and pneumatic variable chambers there being at least one compressing plate cooperating with the action of said pneumatic variable chamber; f) the at least one pneumatic variable chamber being connected to an external auxiliary pulsating pneumatic unit, wherein the pneumatic variable chamber comprises a cavity which is connected to the pulsating pneumatic auxiliary unit and is limited by walls of the receptacle and flexible walls of the circulation variable chamber, and wherein the pneumatic variable chamber includes a pneumatic flow diffuser, wherein the pneumatic flow diffuser comprises a plate having a plurality of holes wherein the plate is interposed between the connection with the pulsating pneumatic auxiliary unit and the circulation variable chamber.