Medical device patent documents distribution in selected technology areas, in Switzerland (CH) Germany (DE) and the US.
Field A: Dentistry; oral or dental hygiene (A61C)
Field B: Filters implantable into blood vessels; protheses, orthopaedic, nursing or contraceptive devices; treatment or protection of eyes or ears; bandages, dressings or absorbent pads, first-aid kits (A61F)
Field C: Diagnosis, surgery, identification (A61B)
Field D: Preparations for medical, dental purposes (A61K)
