Just Go

Bionics don’t have to be complicated. That’s why Proprio was designed so you can just get up and go. Discover the all-new waterproof Proprio Foot, your companion to take you wherever you need to go.

With Bionic ankle motion and Pro-Flex carbon dynamics, Proprio provides a more natural walking experience to help you navigate your world. Built to last, it features enhanced battery life, durability, and complete submersibility in both fresh and saltwater, protected by IP67 ingress rating*. Enjoy peace of mind with our hassle-free 36-month warranty.

Features & Benefits

Features in Action

Proven Benefits


The statements made depict only one person's experience and is not a guarantee, promise, or reflection of the experience of others.

Info for Individuals with a Prosthesis

Consult your health care professional

To ensure the utmost care and personalised support for individuals with limb differences, our products necessitate a prescription from a healthcare professional. Regrettably, they are not available for direct purchase by the general public. We encourage you to consult with a qualified healthcare provider who can guide you in obtaining the appropriate solutions tailored to your specific needs.

Frequently Asked Questions

How much does a Proprio Foot cost?

Prosthetic costs are determined by your prosthetic provider and insurance type. For the most accurate price, please consult your prosthetic provider.

How is Proprio Foot different than a traditional mechanical prosthetic foot?

Proprio Foot uses a powered ankle unit to provide increased range of motion, active toe-lift, and pre-positioning in addition to the benefits of our Pro-Flex carbon foot technology. All of these features were designed to allow you to walk more naturally.

Is Proprio Foot right for me?

Clinically, Proprio Foot is for people with unilateral or bilateral amputations above or below the knee. The best way to understand the benefits of Proprio Foot is to discuss it with your prosthetist and try it for yourself!

Info for Prosthetists

Key Features
  • Increased clearance in swing
  • Dynamic carbon foot blade with exceptional roll-over characteristics
  • Automatic terrain adaptation on level-ground, ramps and stairs
  • Auto-alignment feature to adjust heel-height at the touch of a button
  • Relax-mode for comfortable sitting and chair-exit-mode for easier sit transfers
  • Accompanying Össur Logic app for iOS devices provides: Simple practitioner setup and adjustments, and printable user activity reports, user adjustable ankle alignment for changing footwear and selection of user preferences and monitoring of step count and battery charge level
  • Waterproof in salt and fresh water (excluding chlorinated water)
  • Integrated battery with up to 2 days of battery life
Product Specifications

K-Level: K2 with potential for K3, K3, and K4

Impact Level: Low to Moderate

Amputation Level: Transtibial and above

Patient Weight Range: 45-125 kg (99-275 lbs)

Characteristics: Full length toe lever, Heel height adjustability, Proportional response, Sandal toe, Split toe and Waterproof

Waterproof Rating: IP67

Reimbursement code: L5973

References & Notes

  1. David Jonsson M.Sc., Comparison Of Level Ground Performance Of Three Microprocessor Ankles, AOPA National Assembly, September 9-12, 2020 in Las Vegas, NV.
  2. Rosenblatt NJ, Bauer A, CPO, Rotter D, CPO, Grabiner MD. Active dorsiflexing prostheses may reduce trip-related fall risk in people with transtibial amputation. J Rehabil Res Dev. 2014;51(8):1229–42.
  3. Darter BJ, Wilken JM. Energetic consequences of using a prosthesis with adaptive ankle motion during slope walking in persons with a transtibial amputation. Prosthetics and orthotics international. 2014;38(1):5–11.
  4. Agrawal V, Gailey RS, Gaunaurd IA, O’Toole C, Finnieston A, Tolchin R. Comparison of four different categories of prosthetic feet during ramp ambulation in unilateral transtibial amputees. Prosthet Orthot Int. Oktober 2015;39(5):380–9.
  5. Fradet L, Alimusaj M, Braatz F, Wolf SI. Biomechanical analysis of ramp ambulation of transtibial amputees with an adaptive ankle foot system. Gait & posture. 2010;32(2):191–198.
  6. Alimusaj M, Fradet L, Braatz F, Gerner HJ, Wolf SI. Kinematics and kinetics with an adaptive ankle foot system during stair ambulation of transtibial amputees. Gait & posture. 2009;30(3):356–363.
  7. Heitzmann DWW, Alimusaj M, Braatz F, Wolf SI. Preliminary results of trans-femoral amputees walking with a microprocessor controlled prosthetic foot. Gait & Posture. Juni 2012;36, Supplement 1:S9.
  8. Ludvigsdottir AG, Gruben K, Gunnsteinsson K, Ingvarsson T, Nicholls. Effects on user mobility and safety when changing from a carbon fibre prosthetic foot to a bionic prosthetic foot. Congress ORTHOPAEDIE + REHA-TECHNIK 2012; 2012.
  9. Delussu AS, Brunelli S, Paradisi F et al. Assessment of the effects of a bionic foot on energy cost of walking and quality of life in transtibial amputees: preliminary data. Abstract, Orthopadie&Reha-Technik Congress, Leipzig. 2012.

*Waterproof details. Proprio Foot will tolerate exposure to freshwater, salt water, perspiration, urine, mild soaps, sand, dust, and dirt. Exposure to chlorinated water is not recommended as it may compromise the actuator grease/lubrication, affecting functionality of the foot. Structural integrity is not affected in any way. Devices experiencing issues related to chlorine exposure can be serviced under warranty.