| abstract |
The present invention discloses an electromagnetic locking element (4) for locking the joint (3) of a joint orthosis or a joint prosthesis, in particular a knee orthosis or knee prosthesis, comprising a bistable solenoid (5) with at least one coil and at least one permanent magnet; a pin (6), which can be extended and retracted with the aid of the solenoid, for locking the joint, one or more electrical energy stores (9), in particular capacitors, and an electrical circuit (11) which, with the aid of semiconductor switches, discharges the energy store or stores via the at least one coil of the solenoid in such a way that the pin is extended. |