Observational Clinical Investigation of Arthrosamid in Knee Osteoarthritis

Inclusion Criteria: * Stated willingness to comply with all study procedures and availability for the duration of the study * Male or female, aged ≥ 18 years * Clinical diagnosis of knee OA Exclusion Criteria: * If an active skin disease or infection is present at or near the injection site * If the joint is infected or severely inflamed * If a degradable intra-articular injectable such as hyaluronic acid is present, it must be expected to be absorbed according to manufacturer's information for the specific product, before injection with Arthrosamid® * If the patient has previously received treatment with a different non-absorbable injectable/implant * If the patient has received a knee alloplasty or has any foreign material in the knee * If the patient has undergone knee arthroscopy within the last 6 months * If the patient has haemophilia or is in uncontrolled anticoagulant treatment