UTILIZATION OF NEGATIVE PRESSURE FOR SOCKET SUSPENSION IN UPPER EXTREMITY PROSTHETICS

Negative pressure, or vacuum, has been utilized for suspension in lower extremity prosthetics with impressive results. The authors describe a technique to enable the application of vacuum in the suspension of a transradial prosthesis. A discussion of the merits and challenges of such a system follows with emphasis on troubleshooting and common causes of failure. Examples of this technique in various applications will be presented. Future innovations and potential for further development of this technique for other levels of upper extremity amputation will also be offered.