Wednesday, May 25, 2022

Traumatic Transhumeral Amputation

Eric Schwelke, C.P.O.

To all:

We have been working with a 61 yo male with a traumatic Rt. Transhumeral

amputation. This individual is healthy and strong in all other aspects;

motivated to learn and use functional body powered prosthesis. External

power is not being considered at this time. Residual limb is in excellent

condition; has been wearing a shrinker and volume is not an issue. Slightly

bulbous distal end with what appears on palpation to be some flaring from

what is left of the epicondyles. The axilla to distal end is 7 1/4″ long as

opposed to 9 5/8′ axilla to epicondyle on sound side. Test socket has

already been done with 1 ply sock fit and standard transhumeral trimlines

and will be redone if modifications are necessary .

For all those who have any experience with transhumeral prostheses, we are

open to suggestions or ideas for suspending the socket (and maybe a

different configuration than the standard trimlines) other than with the

usual dual action harness. A “555” hook and VO hand with a quick disconnect

wrist will be the terminal devices. We have thought about using a sleeve

with pin, but it seems there would not be enough clearance to have the elbow

match the sound side. Maybe a “wetfit” with valve?? Any comments will be


Thanks in advance. Please reply to mailto:[email protected]

Ultrapedics, Ltd.

Eric Schwelke, C.P.O.


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