Patent ID: 11911296
Assignee: OTTOBOCK SE & CO. KGAA
Field: Medical technology (Instruments)
Classification: CPC A  F | IPC A  F

Claim 0:
1. An orthopedic joint, comprising:
an upper part;
a lower part mounted on the upper part so as to pivot about a pivot axis;
a rotation hydraulics unit, comprising:
a housing with a chamber;
a pivot piston which is mounted pivotably in the chamber and divides the chamber into a flexion chamber and an extension chamber, the flexion and extension chambers being connected hydraulically to each other via at least one channel;

a pretensioning device which assists a pivoting movement of the upper part relative to the lower part, the pretensioning device comprising a support and a slide piece, wherein the support is coupled directly to the pivot piston at a coupling point and to the slide piece at a lower bearing point, wherein the support is positioned in a hydraulic fluid.