Sockets and Liners

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What is socket technology?

A prosthetic socket is a crucial component in a prosthesis. It acts as the interface between the prosthetic technology and the residual limb. If it doesn’t fit correctly, amputees can experience pain, sores and blisters, and the prosthesis will feel heavy and cumbersome. As a result, an amputees ability to move freely without pain may be compromised and they may not use their prosthesis at all. To help avoid this discomfort, various different methods of securing the prosthesis to the residual limb exist.

Maintaining a healthy residual limb can be challenging and a contributing factor to the overall comfort of the socket. To support this, a variety of prosthetics liners are available, each offering a range of specific benefits to suit the amputee’s individual circumstances.

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Active Vacuum

Active vacuum provides the ultimate socket comfort by means of a pump unit creating a vacuum between the suspension sleeve and the liner.

Passive Vacuum

Passive vacuum, also referred to as a ‘one-way valve’, provides a high level of socket comfort when a vacuum is created between the suspension sleeve and the liner/skin. When the amputee begins to walk and the air is driven out of the socket to form a solid connection.

Pin Lock

This type of connection is formed between the socket and the residual limb via a pin at the end of the liner which locks into the bottom of the prosthetic socket. No suspension sleeve is required with this system.

Liner Selection

No single liner is appropriate for everyone, because residual limb characteristics differ considerably from one user to the next. That’s why we offer liners made of different materials and with various characteristics for your customised fitting.

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