Amputation Clinical Trial
Official title:
Reduction of Shear Forces Using Semi-flexible Sockets on Transtibial Amputees
The purpose of this graduate student research study, is to test two different sockets for comfort and test what pressures are created by the socket during daily activities. The objective is to illustrate that semi-flexible sockets will maintain its rigidity and resist progressive shear forces from daily activity, ergo making our prosthetic system a more comfortable experience for the prosthetic user.
Subjects will immediately be prepared for a casting of their residual limb. On the second visit, subjects will return to be fitted with a definitive rigid carbon fiber socket. At this time, a questionnaire and physical assessments will determine subjects comfort and safety. The physical assessment consists of a ten minute walk on a treadmill, at a self-selected pace. A balancing test on a SMART Balance Master will also be used to assess subject safety, by utilizing the limits of stability protocol. Subjects' will be required to wear the prosthesis given to them for one week before returning for a follow-up appointment. On the third visit, the subjects' will return the first prosthesis to the investigators of the study, where an additional socket will be given to the subject for the second portion of this study. Subjects will be evaluated with a questionnaire and physical assessments to determine comfort and safety. Participants will be required to wear the prosthesis given to them for one week before returning for a follow-up appointment. During the final appointment, the subjects will return all devices given to them to an investigator of the study. ;
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