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OPRA™
Implant sistem

The OPRA™ Implant System is an innovative method that enables a direct connection between an artificial limb and the skeletal system.

About company

Integrum

Integrum is a Swedish medical company specialising in advanced osseointegrated solutions, with their standout innovation being the OPRA™ system for direct attachment of prosthetic limbs to the bone.
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OPRA™ Implant System

Get Your Life Back With the OPRA™ Implant System
The OPRA™ Implant System is an innovative method that enables a direct connection between an artificial limb and the skeletal system. The prosthesis is securely attached with a quick-release coupling, making it a true extension of your body and mind — fully controlled by you. The system is available for both upper and lower limbs and has already helped hundreds of amputees around the world enjoy everyday activities again: natural movement, the sensation of ground contact, and more.

What is the OPRA™ Implant System?

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OPRA is a bone-anchored prosthetic system based on osseointegration — the prosthesis is attached directly to the bone without the use of a traditional socket.

The system consists of three components: the bone-anchored Fixture, the skin-penetrating Abutment, and the Abutment Screw.

Its unique design helps protect the patient from bone fractures in case of accidental overload.

It has been in use since the first successful surgery in 1990 and is supported by multiple clinical studies.

How does it work?

The OPRA Fixture features an innovative BioHelix™ surface technology, developed after 15 years of research and clinical testing. This surface promotes faster and stronger integration with the bone, increasing the strength of the bone–implant interface.

The prosthesis connects to the system through a load-controlling connector. Integrum has developed specialised components tailored to different levels of amputation, for both upper and lower limbs.

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Key benefits of the OPRA System

Eliminates socket-related issues

no skin irritation, ulcers or sweating; limb volume can change (e.g., due to weight gain or loss); improved comfort while sitting.

Enhanced proprioception and osseoperception

intuitive spatial awareness of the limb, improved sensation through the prosthesis.

Greater mobility and limb strength

longer daily prosthesis use, increased step count, improved muscle force in the residual limb.

Easy attachment and removal of the prosthesis

straightforward to connect or disconnect.

Levels of amputation suitable for OPRA

The system is suitable for:
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