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All-Terrain Knee with Stance Flexion
All-Terrain Knee with Stance Flexion
All-Terrain Knee with Stance Flexion
All-Terrain Knee with Stance Flexion

All-Terrain Knee with Stance Flexion

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Model: ATK-SF-01

Suggested L-Codes: L5611, L5845, L5850, L5925

Weight Rating: 275 lb (125kg)

Warranty: 24-month limited warranty

The All-Terrain Knee is a 4-bar prosthetic knee joint that fulfills the security needs of low mobility users while still meeting the demands of active amputees. LegWorks’ patented Autolock Technology stance phase controller locks upon full swing phase extension, giving amputees confidence on all terrains. The patent-pending swing phase controller allows for variable cadence without the use of hydraulics or pneumatics, while a simple twist-knob manual lock offers users increased safety during the rehabilitation process or situational use on uneven terrain. Additionally, this version offers adjustable stance flexion via a proximal stance flexion adaptor.

Note: L-Codes suggested by LegWorks are for reference only, and are subject to change. The responsibility and liability for coding lie with the provider.

The All-Terrain Knee is CE-marked and conforms with the EC (CE) Declaration of conformity.

Product Features

  • Superior stability to traditional polycentric designs via the patented AutoLock Technology.
  • Friction swing phase control via the patent-pending Variable Cadence Controller.
  • Simple twist-knob manual lock.
  • Available with and without adjustable stance flexion.
  • Waterproof and submersible in freshwater (e.g. shower, lake)
  • Adjustable stance flexion via a proximal stance flexion adaptor.

Potential Users

  • K2 amputees with the potential to become moderate to high K2 ambulators and use a non-manual locking knee.
  • Preparatory prosthesis for new patients with the potential to become K3–K4 mobility level ambulators after rehabilitation.
  • Underinsured amputees that require a high-functioning, non-hydraulic prosthetic knee.
  • Bilateral above knee amputees that require a knee with inherent stability.

Technical Specifications

Model: ATK-SF-01
Amputation Level Transfemoral
Weight Rating 275 lb (125kg)
Knee Flexion Angle 150°
Mobility Level K1-K4
Proximal Connection Pyramid Adaptor
Distal Connection 30mm Tube Clamp
Proximal Portion Length 1 916 (40mm)
Tube Clamp Depth 1 34 (45mm)
Device Weight 2.71 lb (1,230g)
Device Height 7 1516 (201mm)

Selecting an All-Terrain Knee

The All-Terrain Knee collection offers four different configurations to provide an optimal experience for each use. Both the All-Terrain Knee and All-Terrain Knee Premium are available with or without stance flexion. View the comparison chart below to determine which model is right for your patient.
All-Terrain Knee All-Terrain Knee with Stance Flexion All-Terrain Knee Premium All-Terrain Knee Premium with Stance Flexion
Freshwater Activities Only
Freshwater and Saltwater Activities
Rated up to 330 lb (150kg)
Rated up to 275 lb (125kg)
Long TF Residuum or KD