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Stubby prostheses: an alternative to conventional prosthetic devices
Archives of Physical Medicine and Rehabilitation
|April 1, 1985
Summary
Stubby prostheses, short nonarticulated devices, offer improved safety and energy efficiency for bilateral amputees. They are a viable option for specific patient groups, including home-based ambulation and elderly individuals.
Area of Science:
- Prosthetics and Orthotics
- Rehabilitation Engineering
- Biomechanics
Background:
- Conventional prosthetic devices may present challenges in safety, stability, and energy efficiency for certain amputee populations.
- Bilateral above-knee (A-K) or knee disarticulation amputations require specialized prosthetic solutions.
- The trade-off between cosmesis and functional benefits of prosthetic devices is a key consideration.
Observation:
- Stubby prostheses, characterized by their short, nonarticulated pylon design, were evaluated for their functional advantages.
- Cosmesis is a recognized limitation of stubby prostheses compared to conventional articulated devices.
- Specific patient profiles and ambulation environments were identified as critical factors for consideration.
Findings:
- Stubby prostheses demonstrate potential benefits in safety, stability, and energy efficiency over traditional devices.
- These prostheses are suitable for bilateral A-K or knee disarticulation amputees in specific scenarios.
- Successful long-term use was observed in two patient cases, validating their utility.
Implications:
- Stubby prostheses can serve as a training tool to assess suitability for full-length articulated devices.
- They offer a practical solution for home-based ambulation, particularly for elderly bilateral amputees prioritizing safety and efficiency.
- Patient preference can also guide the selection of stubby prostheses as a definitive device.