Artelon Metatarsophalangeal (MTP) Spacer

Inclusion Criteria: * The patient experiences pain and limitations of the great toe dorsiflexion at the MTP-I joint. * The patient has a clinically and radiographically verified arthritis in the MTP-I joint indicating the need for surgical treatment. * The patient reads, understands and is able to complete the study questionnaires in Swedish. * The patient has received written and oral information regarding the study and has signed the informed consent form. Exclusion criteria: * The patient has a pronounced hallux rigidus without mobility in the MTP-I joint (ROM = 0°). * The patient has previously received surgical treatment affecting the anatomy of the MTP-I joint. * The patient has a systemic rheumatic disease, ongoing infection, hallux valgus or is seriously ill.