Hemiarthoplasty or total replacement of the first metatarsophalangeal (MTP) joint has been used in orthopaedic surgery for the last 60 year, but good post-operative outcomes have been achieved only in the last ten years. Joint replacement is mainly used in stage 3 and stage 4 hallux rigidus conditions for which arthrodesis is not indicated.
The operation on the first MTP joint has its place in the present-day orthopaedics. This study describes anatomical measurements and the development of the first Czech implant (MEDIN Orthopaedics) to replace this joint.