Prosthetic Socket IssuesFor amputees, it is well documented that residual limb volume is dynamic and can change significantly due to muscle atrophy, weight gain/loss, dialysis, salt and water intake as well as daily volume changes from simply wearing the prostheisis.

For above the knee amputees, as the residual limb changes, the rigid socket becomes ill fitting and the groin is pressed onto the hard surface creating pressure, pain and often injuries leading to gait issues.

A common solution to an ill fitting socket is to try adding socks (if the socket uses them).  But this requires taking the prosthesis off, having the right socks available and putting it back on. It’s a lot of work for many and even then, some discomfort may remain.

In addition, with conventional rigid sockets, sitting or bending over is challenging on hard surfaces such as wooden chairs or toilet seats. Hard sockets do not ‘give’ or let the thigh flatten out normally and the socket pushes up into the belly and groin making bending over difficult.

All of these issues contribute to an often overwhelming daily routine, especially for the elderly, and the prostheses end up not being worn because the patient simply does not find it worth the time and trouble to wear.

Enter the CJ Socket

The CJ Socket was designed to address residual limb volume change (RLVC) because controlling socket volume is everything.

The CJ Socket uses hard rigid material for part of the socket while the remainder is comprised of a cloth material, the Sail.

Multiple Velcro straps along the socket allow the wearer to make precise adjustments for even significant residual limb volume changes by simply adjusting the straps while sitting.  No sock stuffing needed and the prosthesis and shoes need not be removed.

With this revolutionary design, the patient can easily adjust the closure to maintain a precise fit and avoid the issues listed above with weight bearing and skeletal control.

When sitting, the CJ Socket Sail flattens and conforms to the seat and the thigh splays more naturally.  The socket stays low to the seat and does not impinge when bending over and the wearer can “feel” the seat and sitting comfort is greatly improved and by extension, the patient’s wearing time and overall success.

  • CJ Socket Prosthetic Leg Donning
  • CJ Socket Prosthetic Leg Donning
  • CJ Socket Prosthetic Leg Donning
  • CJ Socket Prosthetic Leg Donning
  • CJ Socket Prosthetic Leg Donning
  • CJ Socket Prosthetic Leg Donning

Upper Extremity Amputees

Upper Extremity prostheses have also been hugely successful using the CJ Socket technology.

Snap or magnetic electrodes are easily adapted to the socket and the bulky pre-amps and wires are built into the inside of the Sail.

The CJ Socket is lighter, less restrictive and more comfortable than solid rigid or semi-rigid sockets, and feels and flexes more like clothing.

See How the CJ Socket Has Helped Our Patients

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