Prosthetic knee joint and method for operating a prosthetic knee joint

摘要

Prosthetic knee joint with an upper part (10) and an articulated lower part (20) and a hydraulic unit (30) with a fluid (31) between the upper part (10) and the lower part (20), and a conversion device (40), the kinetic Converts energy during a relative movement between the upper part (10) and the lower part (20) into electrical energy and / or vice versa, wherein the conversion device (40) from the fluid (31) of the hydraulic unit (30) and / or the hydraulic unit (30) is driven by the delivered fluid (31), characterized in that a pressure accumulator (60) is coupled to the hydraulic unit (30) via a valve combination (80, 81).