expelled from the socket automatically when the patient puts his/her weight on the
prosthesis. The suction socket is worn with the residual limb in direct contact with
the socket without a stump sock. The process of donning (applying) the socket
pushes all the air out of the valve hole of the socket, creating negative pressure
within the socket. The valve prevents air from reentering the socket. During the
swing portion of walking, negative pressure within the socket augmented by muscle
tension holds the socket on the residual limb. Donning (applying) the socket
involves putting on a thin sock (or Easy-Proth), standing, and pushing the residual
limb into the socket while pulling the sock out through the valve hole. An alternative
method of donning involves spreading a thin layer of lotion over the residual limb
(Dry-Lite.) The lotion is absorbed into the skin and suction is maintained.
| Prosthetic Categories |
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| Suction Valves |
| Rubber Valve-Tongue |
| Rubber Valve-No Tongue |
| Green Dot Suction Valve |
