Status:
COMPLETED
Comparison of Prosthetic Knee Performance During Sitting and Standing
Lead Sponsor:
University of South Florida
Conditions:
Amputation
Eligibility:
All Genders
21-65 years
Brief Summary
The Ossur Prosthetic Power Knee claims to assist in helping people with transfemoral amputation to walk up stairs and stand up from sitting. We expect to find that this product has the ability to help...
Eligibility Criteria
Inclusion
- 7 control subjects with normal lower extremity function: mentally independent adults with intact extremities. These individuals shall have no significant medical history that would impair their ability to perform 3, repeated, sit to stand trials. Exclusionary examples might include history positive for total joint arthroplasty of the hip or knee and significant cardiomyopathy. Control subjects will be non-amputee, generally healthy individuals, mentally capable of providing informed consent. They will have no significant medical history that could be perceived by investigators to hinder the ability to transfer. Anyone not meeting these criteria cannot be a control subject.
- 28 subjects with unilateral amputation at the level of the thigh. 7 each in four groups:
- Active Extension Group: Power Knee
- Microprocessor Stance Control Group: C-Leg, Rheo, Adaptive
- Non-Microprocessor Stance Control Group: Mauch, Catech or other stance control units
- Non-Microprocessor and Non-Stance Control units: WASB, polycentrics, pneumatics Each subject must have a prosthesis for which they have had for a minimum of 90 days in its present condition.
- All subjects must be:
- at least 21 years of age,
- mentally independent, and
- able to give informed consent.
Exclusion
- Subjects are not candidates if they:
- are under 21 years of age
- are mentally dependent and unable to provide their own informed consent
- have worn the present prosthesis for less than 90 days in the current condition
- have bilateral amputation
- Subjects with an amputation are not candidates if they only use a prosthesis for transfers or therapy (K0 or K1 Medicare functional class). They must be independently ambulatory, at some level in the community (Medicare functional class "K2-K4"). They are furthermore not a candidate for this study if they have bilateral amputation (at any level) of the lower extremity as the purpose is to determine sound versus involved side loading, then against control. If all of the latter criteria are satisfied, the final piece is the 90 day prosthetic accommodation period. Candidacy then hinges upon the fact that they are accommodated to their current prosthesis as evident by having worn the current device, unaltered for the 90 days prior to testing.
Key Trial Info
Start Date :
January 1 2007
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
November 30 2010
Estimated Enrollment :
28 Patients enrolled
Trial Details
Trial ID
NCT00421356
Start Date
January 1 2007
End Date
November 30 2010
Last Update
December 14 2023
Active Locations (1)
Enter a location and click search to find clinical trials sorted by distance.
1
University of South Florida
Tampa, Florida, United States, 33612