Discover ArthroSave

Are you a patient with painful knee osteoarthritis below the age of 65 years? Return to your active life after a six weeks treatment with the KneeReviver.


The KneeReviver unloads the damaged knee joint by putting the knee joint surfaces on a short distance. With this temporary unloading treatment the knee joint tissues regenerate.

For whom

Patients diagnosed with knee osteoarthritis, not responding to conservative therapy, probably already indicated for a knee replacement, under the age of 65 years old.


This unloading treatment is studied in medical research groups for > 10 years, resulting in knee joint preservation, decrease of pain, increase of function, and postponing a knee replacement.

Postponing the need for total knee replacement,

avoiding complex revision surgery

The KneeReviver

  • Consists of 2 tubes placed on both sides of the knee
  • Is fixated to the bone by eight bone pins
  • Unloads the knee joint by creating space between the joint surfaces
  • It is allowed to bear weight during treatment, however it is not possible to bend the knee

The Knee Reviver is developed by ArthroSave, in collaboration with orthopaedic surgeons, researchers and patients. It is the only device with intended use for knee joint distraction.

Knee joint distraction is a joint preserving

surgical treatment with use of the KneeReviver


ArthroSave’s KneeReviver highlighted in ‘de Barometer’ on RTLZ

‘De Barometer’ is a TV show hosted on national Dutch television by RTLZ, and they bring an item about Pontes Medical and ArthroSave. Pontes Medical is a valorization initiative, applied for over 10 years now in the UMC Utrecht and Amsterdam UMC, and ArthroSave arose from this approach. During this show, new innovation methods for medical devices are discussed, of which the KneeReviver is one success story.

The show is broadcasted on Sunday 29th of December at 17.30hr. Reps are scheduled on Tuesday 31st of December at 07.30hr, Wednesday 1st of January at 16.30hr and Friday 3th of January at 10.30hr.

ArthroSave’s (female) CEO nominated for VIVA400 award

We are proud to share that Karianne is nominated for the VIVA400 award in the category ‘Zorgdragers’. The VIVA400 list is composed of women who excel in their workfield and forms a platform and network for ambitious and entrepreneurial women. They are a great inspiration for others through what they do, through the successes they have achieved and through what they want to achieve (even more). Nominated women are successful women who matter and make the difference. The awards are presented on December 12th.