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Transfemoral Socket Fabrication Method Using Direct Casting: Outcomes Regarding Patient Satisfaction with Device and
W R Marable1, C Smith1, B Þ Sigurjónsson2
1Össur Americas, Foothill Ranch, California, USA.
Canadian Prosthetics & Orthotics Journal
|August 24, 2023
Summary
Direct Socket for transfemoral (DS-TF) prosthetic users reported higher satisfaction with both the prosthetic device and clinic services. This novel fabrication method allows for same-day delivery, improving overall patient experience.
Area of Science:
- Prosthetics and Orthotics
- Biomedical Engineering
- Rehabilitation Science
Background:
- Direct Socket for transfemoral (DS-TF) is a novel interface fabrication method.
- Requires new training and service models for prosthetists.
- Potential to improve patient satisfaction through single-visit fabrication and delivery.
Purpose of the Study:
- To document patient satisfaction with DS-TF interfaces compared to previous sockets.
- To evaluate satisfaction regarding interface function and clinic service model.
- To assess outcomes of a new prosthetic interface fabrication method.
Main Methods:
- Longitudinal study in six US prosthetic clinics (July 2018-April 2020).
- 47 prosthetic users participated, receiving DS-TF interfaces.
- Orthotics and Prosthetics Users' Survey (OPUS) assessed satisfaction with device and services.
Main Results:
- DS-TF interfaces fabricated, fitted, and delivered in a single visit.
- At 6 months, 38 users reported increased satisfaction (29.8% device, 14.8% services).
- Improvements were consistent and maintained from 6 weeks to 6 months post-fitting.
Conclusions:
- Standardized DS-TF training and implementation improve prosthetic device satisfaction.
- The DS-TF process enhances patient satisfaction with both the prosthetic device and associated services.
- Single-visit fabrication and delivery contribute to improved user outcomes.

