The modern therapy knee joint

The 3R93 provides targeted support for the post-amputation therapy process - from the initial standing and walking exercises with the interim prosthesis through to the final fitting.

3R93

3R93 – The modern therapy knee joint


At a glance
  • Targeted support of the therapy process
  • Functions are adapted to the individual safety requirements
  • Uncomplicated, reproducible settings
  • Functional design
  • Simple prosthesis alignment
  • Suitable for mobility grades 1 and 2
  • Approved for a patient weight up to 125 kg

 




Due to its design, the 3R93 can be used as a locking knee joint with manual release and as a brake knee joint if the prosthesis wearer's mobility increases.

Optional locking function

Optional locking function

The activated locking mechanism secures the joint in the extended position. The prosthesis wearer pulls on a cable to release the joint so it can bend for sitting. The locking function can also be permanently deactivated by the prosthetist.

Load-dependent braking mechanism

Load-dependent braking mechanism

If the locking function is permanently deactivated, knee safety is provided by the braking mechanism which locks the joint if it is loaded in the bending direction. The brake activates when load is applied to the heel and stabilises the prosthesis during the entire stance phase. It even provides the desired degree of safety if the joint is already slightly bent when the heel strikes the ground. The braking action can be adjusted easily and reproducibly.

Adjustable spring-loaded mechanism

Adjustable spring-loaded mechanism

The load is removed from the prosthesis and the brake turns off to initiate the swing phase. The integrated spring-loaded mechanism, which can be adjusted from the outside, controls the swinging motion of the prosthetic lower leg.


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