Patent ID: 11896502
Assignee: OSSUR ICELAND EHF
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A prosthetic knee comprising:
a controller; and
a hydraulic unit pivotally connected to the controller, the hydraulic unit including:
a hydraulic cylinder having a lower hydraulic compartment;
a brake hydraulic cylinder; and
a flow system fluidly connecting the hydraulic cylinder and the brake hydraulic cylinder;

wherein the brake hydraulic cylinder includes a block valve in a first component of the brake hydraulic cylinder and a brake-initiating valve in a second component of the brake hydraulic cylinder;
further comprising a shell pivotally connected to the hydraulic unit and arranged to press against the brake hydraulic cylinder, the brake-initiating valve having a portion extending outwardly from the second component and located along an inside surface of the shell for contact therewith.