Chinese Academy of Sclences

Shanghai Municipal Govemment has identified
the high-tech enterprises of prosthetice

Electric Arm for Very Short Forarm Amputee

If very short forearm stump,  forearm amputees stump can not lift the prosthetic forearm when elbow flexor. Elbow stump occupy the spatial location of the prosthetic elbow, but lost the flexion of the basic functions.
 
Keshen invented special myoelectric arm with myoelectric control of elbow flexion and finger grip , and this electric elbow is in a natural position to solve the problems of short forearm stump, wrist rotation can also be passive.