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Getting You Moving Again


Getting you moving again. Arthrosamid is a new type of treatment for knee osteoarthritis that offers patients an effective alternative to current therapies. It is a non-biodegradable hydrogel that is injected into the knee to cushion the joint and relieve pain.

Around 1 in every 5 people aged over 45 in England is affected by knee osteoarthritis. But, until recently, there has been little innovation in the range of OA treatments on offer.


Patient stories

Treating an Olympic Star

Olympic swimmer Sharron Davies MBE explains her journey with Arthrosamid.

Treating Leading GP in Harley Street:

AMSK team helps leading Harley Street Doctor, to return to hockey and skiing with Arthrosamid injection.


Arthrosamid treatment for knee osteoarthritis is a minimally invasive, outpatient procedure. It is a unique substance and requires a specialist protocol. Our Arthrosamid injection protocol has been developed with over hundreds of patients by Professor Paul Lee, a leading orthopaedic surgeon in Harley Street, London.

Arthrosamid injection is performed under the MSK-K1 mix local anaesthesia under ultrasound guidance with IV anti-biotics cover. The process is smooth and virtually painless.

Intravenous Antbiotics was given, the Knee was cleaned twice with antiseptic prior to the Arthrosamid injection
An ultra sound scan will be used to assess the condition of the knee, local anaesthetic (MSK-K1) is given, any excess fluid in the knee will be drained.
Arthrosamid is injected using specialist needles following the MSK-K2 mix of anaesthetic.
The needle is removed, and a plaster is placed over injection site. You can walk and test out your new knee immediately. The process takes about 45 minutes.

How does it work?

Arthrosamid is an intra-articular polycrylamide hydrogel injection for the symptomatic treatment of knee osteoarthritis. Once injected into the inner joint cavity, it restores viscosity within the synovial fluid, improving lubrication and cushioning of the joint. Arthrosamid also integrates into the synovium of the inner joint capsule creating a cushion-like effect.

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True Healthcare For
Your Family

Arthrosamid’s story started two decades ago – the brainchild of the team at Contura. The product had been in human use for various indications since 2000, and a favourable safety profile had already been established.
work process

How does Arthrosamid differ from other injectable treatments?

Arthrosamid is different from the viscosupplement injections for the knee such as hyaluronic acid (HA), platelet rich plasma (PRP) and regenerative stem cell therapy. Unlike these treatments, Arthosamid® is non degradable hydrogel which means it has the properties to lubricate and cushion for longer unlike the other treatments, Arthosamid® also has the ability to become an integrated part of the soft synovial tissue in the joint capsule which may lead to a longer lasting pain relief.
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