Patent ID: 11904154
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A  F | IPC A  F

Claim 16:
17. The half of the artificial heart of claim 1, further including an electro-hydraulic pump unit comprising:
a cylinder-double piston unit including two pistons, a common piston rod located between said two pistons, and at least one working space per piston (VR & VL) wherein said cylinder-double piston unit, two pistons, common piston rod and at least one working space per piston is located within a cylindrical case;
further including a driving element of said common piston rod attached to said piston rod and at least one coupling element wherein one portion of said coupling element is attached to said driving element and a second portion of said coupling element extends outside said cylindrical case;
at least one drive mechanism positioned outside said cylindrical case, said drive mechanism connected to said driving element by way of the portion of the coupling element that extends outside said cylindrical case and
wherein said cylinder-double piston unit includes connectors for drive fluid.