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Vendor code: 6H25

Polycentric pneumatic knee 6H25 / 6H25ST

M2M3125kg

activity level · maximum user weight

Short answer: Polycentric knee with pneumatic swing control that follows the gait up to 6 km/h. It has an extra stance stability adjustment, for users up to 125 kg with moderate to high activity.

Maximum user weight
125 kg
Mobility
M2 to M3
Build height
158 mm
Weight
875 g
Polycentric pneumatic knee 6H25 / 6H25ST, manufacturer's photo
Polycentric pneumatic knee 6H25 / 6H25ST, version 2
Version 2
Polycentric pneumatic knee 6H25 / 6H25ST, detail
Flexion angle 150°
Polycentric pneumatic knee 6H25 / 6H25ST, detail
Easy access to adjustments of flexion and extension
Polycentric pneumatic knee 6H25 / 6H25ST, detail
Plates for adjusting of the geometric lock are included in the set
Polycentric pneumatic knee 6H25 / 6H25ST, detail
Screwdriver is included in the set

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Indication

Unilateral or bilateral transfemoral amputation at any level, including knee disarticulation.

Features

  • Polycentric design: more stability in stance and geometric shortening of the leg in swing.
  • Center of rotation in the forefoot region, which adds safety to the polycentric design.
  • Simple adjustment of stance stability, from the highest, for those who walk little, to the standard, for active users.

Technical data

Swing controlpneumatic, with flexion and extension adjustment
Maximum user weight125 kg
Activity level2 to 3 (METIZ scale)
Walking speedup to 6 km/h
Build height158 mm
Knee flexion150°
Weight875 g
Temperature range−40 to +40 °C
Service life3 years
Versions6H25 and 6H25ST

Videos

Frequently asked questions

Who can prescribe this component?

The prosthetist, after assessing the amputation level, weight, routine and mobility level of the user. Metiz Brasil does not sell directly to patients.

How do I buy for my workshop or clinic?

Through authorized distributors or directly from the Metiz Brasil sales team, by WhatsApp or by the e-mail on the contact page.

Is there a warranty?

Yes. The term varies by component and is stated at purchase by the Metiz Brasil team.

Sources

Technical data from the data sheets published by the manufacturer, checked in October 2026. If there is any difference, the documentation supplied with the product prevails.

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