Patent ID: 6949065

Claim:
An implantable system for assisting the left heart ventricle, said system comprising: a pumping means including a drive unit; a cooling means for cooling said drive unit; and a power supply unit for said cooling means and said drive unit, wherein: said pumping means comprises two compressible pump chambers constituted by sacs and a single pusher plate arranged between said two pump chambers, said pusher plate being movable back and forth between two end positions by operation of said drive unit in order to compress said two pump chambers in alternation; each of said pump chambers has an inlet side and an outlet side and one of said two pump chambers is emptied while the other one is being filled, and vice versa; and said system further comprises: two inlet side adapter parts and two heart valves, each said heart valve being housed in a respective adapter part and each said inlet side adapter part being connected to the inlet side of a respective pump chamber; a first Y-adapter having two branches each connected to a respective inlet side adapter part; two outlet side adapter parts each connected to the outlet side of a respective pump chamber; a second Y-adapter having two branches each connected to a respective outlet side adapter part; and a flap-shaped sail valve housed in said second Y-adapter at a location where said branches of said second Y-adapter meet.