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Radix prosthetic component

Radix prosthetic component

With the RADIX the user is able to rotate the body while the prosthetic foot stays in its place.

Turn your life around

The RADIX prosthetic component gives more schwung to live

The user can rotate the body with the Radix while the prosthetic leg remains in place. Body rotation can lead to uncomfortably high shear stresses in the area between the stump and the tube with a stiff prosthetic stance leg. The Radix reduces the stresses on the soft parts by about 80% to a normal level for the body.

The torsional stiffness of the Radix, which is the lowest at zero bending load, increases considerably in bending. This results in prevention of undesired rotation of the foot at heel-strike and toe-off, while optimal freedom of movement is provided during standing.

Versions of the Radix prosthetic component

  • The Radix has one version.
  • Radix is attached to the prosthetic foot using the pyramid adapter.
  • There is a adapter available from 30 mm to 34 mm and to 35 mm.

Technical description

  • Maximum rotation: 30 ° to the left and right
  • Total length, tube included: 420 mm
  • Minimum construction height on the top of the foot: 90 mm
  • Diameter aluminum tube: 30 mm
  • Standard pyramid of stainless steel
  • Total weight (including 400 mm tube): 422 gr
  • Weight torsion adapter: 222 gr
  • Maximum body weight of the user: 120 kg
  • Tested according to: ISO-10328, excl. clausule 5-3.3.8 concerning maximum permissible torsion angles. The Radix is designed to allow torsion angles safely.
Radix prosthetic component

Radix prosthetic component

The Radix is designed to allow safe rotation of a prosthetic leg. This reduces the (shear) stresses on the soft parts of the stump and increases the freedom of movement.

Low shear stresses on the stump are recommended in cases of poor blood flow of (the skin) of the stump, for example in diabetes.

The additional freedom of movement is desirable for active users, but often even for less active users. Due to the extra mobility, certain movements, such as making transfers and turning movements in a toilet, are easier.

Radix prosthetic component

Radix prosthetic component

Order code for the Radix for professionals

200020 | Radix Torsion Adapter 120 kg

Radix manual

Or download the manual here.

Radix prosthetic component

Radix prosthetic component

That’s what it’s all about!

We normally don’t think about it, but on a regular day we make a lot of moves. Particularly rotating movements. In the kitchen if we want to grab something or work on the counter.In the room when we sit down or just get up again. For those rotating movements, your prosthesis does not always work smoothly. Fortunately, we can do something about it.

A leg is extremely intelligent, with bones, joints and muscles that sometimes even move alongside each other. With an amputation, that natural motility is lost. Rotation becomes a matter of the muscles around the remaining part of the leg. Often this is not comfortable because you feel the friction of the prosthesis tube. This can soon lead to sensitive and damaged skin.

In situations like this we talk about the term ‘torsional rigidity’. Something that turns smooth has a low torsional rigidity. Something that rotates difficult, a high torsional rigidity. And we both need it. With moving movements like standing, sitting and walking, low torsional rigidity is desired. But when we lower the heel, high torsional stiffness prevents the foot from swabbing and the prosthesis becomes unsafe and unstable.

The RADIX prosthesis component combines a low and high rigidity rotations. This greatly increases the wearing comfort of your prosthesis. For information about this, you can contact your orthopedic instrument maker or Ambroise.

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