Re-Flex VSP

Re-Flex VSP

by Ossur

The Re-Flex VSP is the first prosthesis to successfully integrate a shock absorption system.It uses a carbon fiber compression spring, and telescoping tubes that provide up to an inch of vertical compression. This cushions the impact to amputees' residual limbs, allowing them to land on their prosthesis when descending stairs or curbs, for example, without experiencing pain or discomfort. It also stores and releases energy to allow the user to walk comfortably, efficiently and naturally.

The Re-Flex VSP is an ideal foot for most amputees, particularly the very active. Shock reduction is beneficial for transfemoral amputees who experience a majority of the ground reaction forces on the ischial tuberosity.People with active lifestyles demand a lot from themselves and consequently, from their prosthesis. Yet the high impact forces generated by heavy duty activities can take their toll. That's where the Re-Flex VSP comes in - a prosthetic foot with exceptional energy return and highly effective shock absorption.
Offering reliable performance that's second to none, the Re-Flex VSP is definitely the tough guy of the Flex-Foot range.

Integrated into the design are a shock pylon and a side spring, which together absorb the shock generated by high impact activity. This in turn reduces the impact on the residual limb, the back and the rest of the body, and reduces the risk of injury.


  • Vertical forces generated at heel contact are stored and translated into a linear motion described as Active Tibial Progression. This action reduces the need to actively push the body forward using the contralateral foot and also equalizes stride length.

  • The Carbon-X Active Heel stores the energy during loading response as the amputee transfers his or her body weight onto the prosthetic foot. Energy is gradually released from the heel providing optimal return for forward progression of the limb.

  • The full length keel/toe lever matches the length of the sound foot, providing improved support to the prosthetic limb during late stance. It ensures that users spend equal time on the prosthetic foot and natural limb, thus providing improved walking dynamics and reduced impact to the sound limb.

  • The layering of carbon fibre, optimised through extensive computer analysis and mechanical testing, ensures that the deflection of the carbon fibre heel and forefoot components are proportional to the user’s weight and impact level.

  • The vertical shock pylon reduces impact to the residual limb, joints and lower back during daily activities. It also ensures a more energy-efficient gait by minimising vertical displacement of the centre of gravity.

Product Details:

22, 23, 24, 25, 26, 27, 28, 29, 30
Product Weight
44 oz
Weight Limit
365 lbs
Activity Level
Mounting Type
4 Hole
Vertical Shock

Additional information:

Trial Period
36 months
L Code
Sandal Toe

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