The study aims to understand how well CPOs and amputees can adapt to using the Amparo socket technology. CPOs at the APDK and The Cure will be trained to use the Amparo socket technology then use it with their consenting patients for a span of 7 months. Survey information will be collected along the way to assess how well the product is adapted by CPOs and patients.
Objective: The objective of the trial is to ascertain the benefits and the implications of using the Amparo socket technology within the context of two pre-existing prosthetic services in Eastern Africa. Design: The trial is a phase one, exploratory single group trial. 4 Certified Prosthetist Orthotists (CPOs) will be trained to use the Amparo socket technology. Over a 7-month period, 40 lower limb amputees will be recruited to participate in the study where they will be fitted with the Amparo socket technology. Follow-up after one month of using the product will help build understanding their experience with the new prosthetic leg. There will be a beginning and end surveys and interviews with each of the 4 CPOs. Video and written observations will be taken of both the traditional socket making method and the Confidence Socket method for comparison. Amputee participant surveys and assessments will be collected at each fitting, and follow-up visit. Intervention: The intervention for the study is to introduce a new fitting method and product for lower limb prosthetic, namely the Amparo Confidence Socket consisting of the socket and liner components. All other components of the prosthesis should remain the same as what is typically used in the respective organizations. Population: Professionals who craft prosthesis for amputees (CPOs) and Below-knee amputees who are able to and desire to use a prosthesis who reside in Kenya. Outcome Measures: CPO comfort level, perceived competence, and acceptance of the Confidence Socket Technology. Patient quality of life measure Patient mobility measures Comparative task model between traditional method and the Amparo socket technology Duration and follow-up: The trial will last approximately 7 months. Starting from the first introduction of the new technology until the final interview with each CPO has been completed.
Study Type
OBSERVATIONAL
Enrollment
27
The Amparo Confidence Socket technology takes a different approach by starting with a prefabricated socket (https://www.amparo.world/confidence-socket-en). The socket is made from a moldable thermoplastic and has the attachment point pre-assembled. This prefabricated socket is essentially an "off-the-shelf" product that can be heated, then molded directly to the patient's residual limb. This removes many of the intermediate steps in traditional socket fabrication. The product's molding temperature is between 60-70 ˚C but the insulation of a silicone liner between the plastic and limb ensures safe temperatures for the patient. This process is currently used in several workshops in Europe and with approximately 50 patients currently using the product. In general, it has been shown to be safe and effective in creating below-knee prosthesis.
AIC CURE International Hospital Kenya
Kijabe, Kenya
Association for the Physically Disabled of Kenya (APDK)
Mombasa, Kenya
Trinity amputation and prosthesis scale
a psychometric assessment designed for lower limb amputees, will be used to assess quality of life, satisfaction, and adjustment level to using an LLP
Time frame: 1-2 months
Amputee Mobility Predictor
an instrument that will be used to assess amputee's ability to ambulate
Time frame: 1-2 months
The L-test
a variation of the "up \& go" test designed specifically for lower-limb amputees
Time frame: 1-2 months
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