Trias

The Trias was designed for moderately active individuals who navigate varied environments and value consistent stability when walking. The carbon foot’s light weight and flexible double springs help save energy for what’s important – mobility and independence. Whether you’re at home or on your way to one of your favorite places outdoors, the Trias gives you a sense of safety.

It’s more than a foot. It’s a foundation.

Flexible double springs

The Trias features interconnected double springs for high flexibility and support when walking at varying speeds.

Corrosion-resistant adapter with water runoff channels

The corrosion-resistant adapter makes the Trias ideal for use in and around water. The water runoff channels prevent water from collecting inside the tube adapter.

Lightweight design

The low weight and good spring characteristics of the Trias prosthetic foot help save energy for what’s important – your mobility and independence.

Triangular design

The anatomy of the human foot is reflected in the curved, triangular shape of the Trias. The heel and forefoot sections form an arch structure and are connected to the base spring, forming a unit.

1C30-1 - Lower extremity prosthetics

Trias

Secure as expected.

The Trias was designed for moderately active individuals who navigate varied environments and value consistent stability when walking. The carbon foot’s light weight and flexible double springs help save energy for what’s important – mobility and independence. Whether you’re at home or on your way to one of your favorite places outdoors, the Trias gives you a sense of safety.

It’s more than a foot. It’s a foundation.

Product typeEnhanced composite design feet
Mobility grade2
Max. body weight275.58 lbs

Trias

The Trias was designed for moderately active individuals who navigate varied environments and value consistent stability when walking. The carbon foot’s light weight and flexible double springs help save energy for what’s important – mobility and independence. Whether you’re at home or on your way to one of your favorite places outdoors, the Trias gives you a sense of safety.

It’s more than a foot. It’s a foundation.

Flexible double springs

The Trias features interconnected double springs for high flexibility and support when walking at varying speeds.

Corrosion-resistant adapter with water runoff channels

The corrosion-resistant adapter makes the Trias ideal for use in and around water. The water runoff channels prevent water from collecting inside the tube adapter.

Lightweight design

The low weight and good spring characteristics of the Trias prosthetic foot help save energy for what’s important – your mobility and independence.

Triangular design

The anatomy of the human foot is reflected in the curved, triangular shape of the Trias. The heel and forefoot sections form an arch structure and are connected to the base spring, forming a unit.

Benefits at a glance

Trias - stabilizes and adapts

With her Trias prosthetic foot, Anita has the flexibility to move about in her home and can rely on the foot during her activities.
Move your way

The Trias adapts to varying terrain and ensures stability, whether you’re at home or on your way to your favorite places outdoors.

Josef takes a leisurely stroll through the farmer’s market.
Energy return that’s right for you

The Trias prosthetic foot delivers reliable performance with every step. From a slow stroll to walking at moderate speed, you can set your own pace with the Trias.

Anita wears her Trias prosthetic foot as she walks through the living room holding a flower vase in her hands.
Soft rollover for easy movement patterns

The triangular design of the Trias offers you a soft rollover for comfortable walking.

Resistant to fresh, salt and chlorinated water
Protected against fresh, salt and chlorinated water

Want to splash in puddles, take a shower, or go to the pool? It’s possible with the Trias. Water runoff channels on the adapter and openings in the sole prevent water from collecting in your prosthesis during these activities.

Ottobock foot options
More than a foot. A foundation.

The prosthetic foot makes all the difference in the success of your treatment. 

User Experience

Flexible in everyday life

Anita

With the new Trias, walking through puddles, taking a shower, or even swimming is no problem! Featuring water run-off channels and holes in the footshell that prevent water collection, you can do more of what you love with this foot.

Specifications

Product information

Product typeEnhanced composite design feet
Mobility grade2
Max. body weight275.58 lbs
MaterialCarbon

Product Data

Mobility grade2
Max. body weight275.58 lbs
Sideleft (L), right (R)
Size8.28-11.81 ″
Weight (without footshell)0.76 lbs*
Footshell shapeSlim shape (S) for a heel height of 0.79 +/- 0.20″ (8.27-10.63″)
Normal shape (N) for a heel height of 0.39 +/- 0.2″ (8.27-11.81″)
Footshell colourbeige 4, light brown 15
Weight with normal footshell1.21 lbs*
System height with normal footshell3.74 ″*
Build height with normal footshell4.45 ″*
Downloads

Documents

Instructions for use
1C30-1Instructions for use

647G1681=ALL_INT

Instruction documents for technicians/qualified personnel in accordance with MDD
Download (Deutsch, English, Français, Italiano, Español, Nederlandse, Svenska, Polszczyzna, Magyar nyelv, Čeština, Românesc, Hrvatski, Slovenský, Български, Türkçe, Русский, 日本語, 한국말, PDF 2272881) Instructions for use
Declaration of conformity
1C30-1Declaration of conformity

4136673

Declaration of Conformity for 1C30
Download (PDF 219457) Declaration of conformity
FAQS

Answers for you

Is the Trias waterproof?

Yes, the Trias is resistant to fresh, salt, and chlorine water. Please clean your prosthetic foot according to the instructions for use after using it in water.

Is the Trias prosthetic foot right for me?

The Trias is suitable for patients with a transtibial amputation, knee disarticulation, transfemoral amputation or hip disarticulation, who have low to moderate activity levels, a weight of up to 275 lbs and require a lightweight, functional carbon fibre foot.

Is the Trias available in my size?

The prosthetic foot is available in sizes 21 to 30 cm. Your O&P professional selects the appropriate prosthetic foot for you according to your foot size and body weight.

Will I need a new prosthesis for the Trias?

No, the Trias can be integrated into either a new or an existing modular prosthesis, provided it has sufficient build height.

Do I need to wear special shoes with the Trias?

No, the Trias is delivered with a footshell that is based on the shape of a natural foot and is therefore compatible with most common types of shoes. Plus, a slim and a normal footshell are available in most foot sizes to match your natural foot as closely as possible.

Can I test the Trias?

Yes, of course you can test the Trias prosthetic foot prior to getting a definitive prosthesis. Just speak to your O&P professional.

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