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Proteor Hytrek single-axis hydraulic knee

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Proteor · Hydraulic and pneumatic knees · PR-027

Proteor Hytrek Single-Axis Hydraulic Prosthetic Knee

Last updated: 5 October 2026

The Proteor Hytrek is a single-axis prosthetic knee with hydraulic regulation of stance and swing and a hydraulic brake that works over a wide range. It is weather resistant and made from aluminium, stainless steel and titanium. The standard knee weighs 1,265 g and stands 232 mm tall. A KD variant with a threaded top weighs 1,285 g. Both flex to 120 degrees and carry 150 kg.

Activity level
K3 to K4
Max user weight
150 kg (330 lb)
Knee flexion
120 degrees
Weight
1,265 g (standard); 1,285 g (KD)

Proteor Hytrek key features

  • Hydraulic control of stance and swing
  • Optional manual lock
  • Weather resistant
  • KD variant with threaded top for knee disarticulation
  • 34 mm tube connector at the distal end
  • Aluminium, stainless steel and titanium build

Who the Proteor Hytrek suits

For active K3 and K4 users with a transfemoral amputation or knee disarticulation, including heavier users up to 150 kg who walk outdoors in changing weather. A prosthetist selects the standard or KD version and aligns it.

This kind of device is prescribed and fitted by a clinician. An enquiry starts that conversation. It is not a purchase.

Figures for comparing

Weight
1.3 kg (2.9 lb)
Max user weight
150 kg (331 lb)

The same units on every product, converted from the specifications below. Where a source gives two limits, the lower one is shown.

Proteor Hytrek specifications

Proteor Hytrek specifications
Activity levelK3 to K4
Max user weight150 kg (330 lb)
Knee flexion120 degrees
Weight1,265 g (standard); 1,285 g (KD)
Total height232 mm (standard); 222 mm (KD)
Proximal connectorPyramid, or threaded top on KD
Distal connector34 mm tube
MaterialsAluminium, stainless steel, titanium
L-codesL5828, L5845, L5850, L5925, L5930 (K4)
Maker countryFrance
PriceQuoted on request
BrandProteor
CategoryLower limb - knees, hips and leg systems, Hydraulic and pneumatic knees
Catalog IDPR-027

Compared with the source page on 5 October 2026. Details can change, so we confirm them in your quote. Open the source page.

Proteor Hytrek: common questions

What is the weight limit of the Proteor Hytrek?

The Hytrek takes users up to 150 kg, or 330 lb.

Is there a Hytrek for knee disarticulation?

Yes. The KD variant has a threaded top, weighs 1,285 g and has a total height of 222 mm.

Does the Hytrek have a lock?

A manual lock is available as an option.

How to get a quote for the Proteor Hytrek

  1. Add it to your enquiry list

    Press Add to enquiry. You can add other products and parts to the same list.

  2. Tell us your country and needs

    Send the list with your country, sizes and any options you want. No payment details are asked.

  3. Get a personal reply

    You receive availability, a price and delivery options by email, and decide after that.

  • Price on request

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    College Park

    Hydraulic and pneumatic knees. A single-axis hydraulic knee with swing and stance control and a mode switch.

    USA · PR-026

  • USD 1,035 (maker's listed price)

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    LegWorks

    Mechanical knees. A waterproof four-bar mechanical knee with an automatic stance lock and non-hydraulic cadence control.

    USA · PR-021

  • Price on request

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    Blatchford

    Mechanical knees. A knee with weight-activated stance control and adjustable pneumatic swing control.

    United Kingdom · PR-022

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