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A Swedish knee-cage for stabilizing short below-knee stumps.
1Loewenstein Rehabilitation Hospital, Ra'anana Sackler School of Medicine, University of Tel-Aviv, Israel.
Prosthetics and Orthotics International
|August 1, 1992
Summary
For below-knee amputees with short stumps, a Swedish knee-cage offers an improved prosthetic solution. This modification enhances stump-prosthesis stability and gait parameters for better rehabilitation outcomes.
Area of Science:
- Orthopedic surgery
- Prosthetics and orthotics
- Biomechanics
Background:
- Stump length is critical for successful prosthetic rehabilitation in below-knee (BK) amputees.
- Stumps shorter than 10 cm compromise stump-prosthesis complex stability.
- Short BK stumps often necessitate specialized prosthetic techniques.
Purpose of the Study:
- To evaluate the efficacy of a Swedish knee-cage integrated with a patellar-tendon-bearing prosthesis for short BK stumps.
- To provide an alternative prosthetic solution for BK amputees with limited residual limb length.
Main Methods:
- A modified stump-prosthesis complex incorporating a Swedish knee-cage was designed.
- Objective gait analysis was performed.
- Foot-ground reaction forces were measured.
Main Results:
- The modified stump-prosthesis complex demonstrated improved gait parameters.
- Enhanced foot-ground reaction forces were observed.
- All measured parameters indicated a positive outcome.
Conclusions:
- The Swedish knee-cage attached to a conventional patellar-tendon-bearing prosthesis is a viable solution for short BK stumps.
- This modification improves stability and functional outcomes in BK amputees.
- The findings suggest a potential advancement in prosthetic rehabilitation for this patient group.