12P5 Artificial elbow joint device,passive and self-lock
1) It includeds forearm cylinder and elbow joint
2) Extension or flexion can be performed by poking the switch on the forearm cylinder.
3) Elbow joint can rotate and adjust tightness
4) Elbow joint can freely swing
Is optional to mate the head of cosmetic hand,cable control mechanical hand, and electric hand
Suitable for middle, short, and long stumps of upper arm