Simplified attachment
    and detachment (don/doff)

    Amputated arm
  • OPRA:
    Stable attachment

  • OPRA:
    Full range of motion
    and restored functionality

    Amputated thumb
  • OPRA:
    Improved quality of life

    Improved Quality
  • OPRA:
    Eliminates pressure, sores and pain
    in skin and soft tissues

  • OPRA:
    Improved sitting comfort

    Improved sitting comfort

Latest news

  • 18 August 2014

    In February this year, a study from Chalmers University of Technology, that was supported by Integrum, that demonstrated a novel treatment for phantom limb pain (PLP) was published. The treatment successfully reduced the pain levels for a chronic PLP patient, for whom no other treatments had been successful. A multi-centre clinical trial verifying the results from this study has just been approved by Läkemedelsverket (Swedish Medical Products Agency) and is planned to start this autumn. 

  • 17 june 2014

    CEO of Integrum, Rickard Brånemark, will participate in the ICNR2014 meeting in Aalborg, Denmark. He will give a lecture about advanced prosthetic control in transhumeral amputees using osseointegration and bidirectional neuromuscular interfaces during the Current research in advanced upper arm prostheses session Thursday the 26th of June 14:30-16:00. 

  • 9 June 2014

    Dr. Todd Kuiken from the Rehabilitation Institute of Chicago is giving a lecture on Developing Neural Interfaces for Robotic Prostheses at Chalmers Wednesday the 11th of June at 15:00-16:00.  The lecture is taking place at the EC-room, EDIT-building at Hörsalsvägen 11

  • 7 May 2014

    Researchers from Integrum will participate in Vetenskapsfestivalen (The Science Festival) in Gothenburg Friday the 9th of May to present research in naturally controlled prosthetics. Research engineers Morten Bak Kristoffersen and Alejandra Zepeda will have a presentation followed by a 2-hour demonstration at 13:00 in Nordstan and research engineer Max Ortiz Catalan will  give a lecture at 19:30 in Gothenburg University, Pedagogen, Västra Hamngatan 25, Hus A, Sal AK2 137.


  • 19 March 2014

    Integrum just received 5 out of 65 million SEK for innovative small and medium sized companies from Vinnova. The funding is for further development in osseointegrated nerve and muscle controlled prosthetics with sensory feedback. The press release from Vinnova can be read here (in Swedish)


Amputation treatment

Bone anchored amputation prostheses is a pioneering treatment that considerably improves amputee´s quality of life.

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orthopedic fixture

Axor™ II

Axor™ II is the new load control device with improved features for protection of the OPRA Implant System.

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The OPRA treatment is based on the principle of Osseointegration, an anchorage mechanism that generates a direct structural connection between living bone tissue and titanium.

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Benefits of bone anchored amputation prostheses

  • Full range of motion and restored functionality
  • Eliminates pressure, sores and pain in skin and soft tissues
  • Stable attachment
  • The prosthesis can be worn all day and every day
  • Simplified attachment and detachment (don/doff)
  • Better walking ability
  • Improved sitting comfort
  • No socket adjustments required
  • Improved quality of life