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الإعدادات

الإعدادات

1. WO2017096069 - PROSTHETIC SOCKET RETENTION SYSTEMS AND METHODS

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CLAIMS

1 . A prosthetic system, comprising:

a prosthetic socket having an interior surface and an exterior surface; a plurality of hydraulic actuators attached to the interior surface of the prosthetic socket;

a socket liner positioned over the plurality of hydraulic actuators, the socket liner including a plurality of friction elements;

a limb liner configured to be placed over a residual limb to be secured within the prosthetic socket, the limb liner including a plurality of friction pad projections arranged to engage with the plurality of friction elements on the socket liner; and

a controller attached to the prosthetic socket and fluidly coupled to the plurality of hydraulic actuators, the controller configured to control the plurality of hydraulic actuators to apply pressure to the socket liner to engage the plurality of friction elements of the socket liner with the friction pad projections of the limb liner to retain the prosthetic socket on the residual limb in the limb liner.

2. The prosthetic system of claim 1 , wherein the limb liner further comprises an elastomeric end stop formed on a distal end of the limb liner, the distal end of the limb liner configured to be positioned over the distal end of the residual limb when the limb liner is in position on the residual limb.

3. The prosthetic system of claim 2, wherein the elastomeric end stop is circular-shaped and further comprises a circumferential groove, and wherein the prosthetic socket further comprises a circumferential lever-lock ring configured to engage with the circumferential groove.

4. The prosthetic system of claim 3, wherein the elastomeric end stop further comprises a plurality of upper tabs, each of the upper tabs including grip projections arranged to engage with the limb liner to assist in retaining the residual limb within the prosthetic socket in response to pressure applied by the hydraulic actuators.

5. The prosthetic system of claim 3, wherein the plurality of friction elements on the socket liner comprises a wavy configuration of ridges and valleys on the socket liner, the ridges being arranged to be positioned between adjacent friction pad projections on the limb liner and the valleys configured to receive the friction pad projections.

6. The prosthetic system of claim 1 , wherein the plurality of hydraulic actuators comprises a plurality of fluid bladders.

7. The prosthetic system of claim 1 further comprising a limb portion attached to the prosthetic socket.

8. The prosthetic system of claim 7, wherein the limb portion comprises a prosthetic foot.

9. The prosthetic system of claim 1 , wherein the controller comprises electronic circuity to control the hydraulic actuators.

10. The prosthetic system of claim 1 , wherein the plurality of friction pad projections on the limb liner and the plurality of friction elements on the socket liner each comprise a plurality of projections arrange in rows and columns.