System, guide tools and design methods related thereto for performing osteochondral transplantation surgery in a joint

A harvesting guide tool for harvesting one or more osteochondral plugs for osteochondral transplantation surgery in a joint;

• the harvesting guide tool comprising:
• a cartilage contact surface adapted to follow a shape of a harvesting site surface of a cartilage or subchondral bone in a joint from which site surface the one or more osteochondral plug is to be harvested, whereby said cartilage contact surface is adapted to conform to the site surface, and
• one or more guide channels adapted to receive a respective harvesting surgical tool such that a respective harvesting surgical tool slides into one of the guide channels, and is supported by the one of the guide channels during harvesting surgery.

A transfer guide tool for transfer of one or more osteochondral plugs for osteochondral transplantation surgery in a joint;

• the guide tool comprising:
• a cartilage contact surface adapted to follow a damage site surface of a cartilage or subchondral bone in a joint into which surface the one or more osteochondral plugs are to be inserted, whereby said cartilage contact surface is adapted to conform to the damage site surface, and
• one or more guide channels adapted to receive a respective hole making surgical tool such that the respective hole making surgical tool slides within one of the guide channels, and is supported by the one of the guide channels during surgery.