Arthrosamid®
Long-lasting, proven pain relief for knee osteoarthritis without surgery.
What is Arthrosamid®?
Arthrosamid® is a permanent injectable hydrogel that delivers long-lasting, proven pain relief without surgery, redefining treatment for knee OA.
The first and only approved injectable treatment that permanently combines with the knee’s synovial tissue, Arthrosamid® decreases joint stiffness, diminishes pain, improves the function of the knee, and enhances your quality of life.
Arthrosamid® is administered via a simple, one-step procedure performed under local anaesthesia by a qualified physician familiar with joint injections, ensuring you’re in and out of the clinic the same day
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How does Arthrosamid® work?
As Arthrosamid® becomes integrated within the tissue lining of the knee joint, it begins to soften and increase the elasticity of this tissue leading to clinically proven
decreased joint stiffness and pain, and improved knee function.
Within approximately 6-12 weeks, the Arthrosamid® implant is fully integrated within the tissue lining of the knee joint.
It’s this unique characteristic that provides a significant reduction in your OA pain over a longer period, with one singletreatment.
What are the benefits?
Unlike with HA injectables, where there is very little evidence to show that the effect is still noticeable at six months, Arthrosamid® provides a significant reduction in your knee OA pain over a longer period with one single treatment.
Treatment with Arthrosamid® is a simple, one-step out-patient procedure, which doesn’t involve the disruptive recovery period usually
associated with surgery.
What are the side effects?
Clinical trials report there were no serious side effects following treatment with Arthrosamid®. The most commonly reported side effects were joint pain and a sensation of joint swelling, which were mostly mild in severity and lasting days to weeks.
The overall safety profile of the injectable hydrogel has been established over the last 20 years with its use for various indications in the body.
What should I expect during the procedure?
Arthrosamid® is singularly injected into your knee’s synovial cavity where it distributes within the synovial fluid and begins to stick to and mesh with the synovial tissue.
Before treatment with Arthrosamid®, you will have a local anaesthetic to numb the area around your knee. You will also be given antibiotics ahead of this to protect you from any potential risk of infection.
Reproducible pain reduction results
WOMAC pain subscale change from baseline across studies
Responder rates by age
Patients in the under 70 years group reported close to 80% positive response rate following treatment with Arthrosamid®.
Our Orthopaedic Specialists
We offer clinical excellence from a highly experienced team of surgeons and allied health professionals to ensure you make the best possible recovery.

Mike Lemon

Oliver Templeton-Ward

Kerry Acton
What our patients are saying
Patients have given highly positive feedback about the service, with some describing the treatments as life-changing after experiencing years of unsuccessful treatments elsewhere. We are always eager to hear from them and witness the strides they make towards recovery.
EXCELLENT Based on 74 reviews Posted on Froilan Marie MadroñoTrustindex verifies that the original source of the review is Google. great doctor. thank you.Posted on Rosalind JohnstonTrustindex verifies that the original source of the review is Google. I’ve been under the care of Mr Lemon since the beginning of the year when I underwent a full knee replacement. He was highly recommended by various medics - doctors, podiatrists, physiotherapists and most importantly former patients who had chosen Mr Lemon as their preferred Consultant Orthopaedic Surgeon. I’m so glad that I followed their advice. Nine months from the date of my surgery, I have a pain free, flexible knee joint and back to tennis, hiking and able to chase after small, grandchildren who take great pleasure in bolting out of my reach. Mr Lemon makes professional and excellence seem easy. I thoroughly recommend him.Posted on AngelaTrustindex verifies that the original source of the review is Google. I recently had a thumb joint replacement under the care of Mr Logan who was very understanding, clear in his communication and took the time to explain every step of the process. His caring approach made me feel at ease throughout the entire journey. I would also like to thank Natalie, Mr Logan’s secretary, who was extremely efficient, kind and empathic. She handled my queries promptly and ensured everything ran smoothly, making the whole experience seamless. Thank you Mr Logan and Natalie for your exceptional care and dedication.Posted on Heather OliverTrustindex verifies that the original source of the review is Google. Mr Way is a really excellent surgeon as well as being a very pleasant man. I am most grateful for the work he did on me.Posted on Teri HattonTrustindex verifies that the original source of the review is Google. Mr Logan is my hero. As soon as he speaks you know you are in kind, talented and safe hands. He seems to genuinely care. He has worked miracles with my issue. No praise is sufficient and I have no hesitation in recommending.Posted on Gillian RossallTrustindex verifies that the original source of the review is Google. Brilliant! After consultation and meds my pain has completely resolved.