title: A simple trocar tor transcutaneous interosseous wiring in limited exposure sites.
abstract: A simple trocar with inner canula is used in limited exposure sites for transcutaneous drilling. The trocar has an outer cannula which allows the special "air-powered" drill tip to pass through for transcutaneous interosseous drilling. No complications have been encountered by its use on numerous occasions.
mesh_terms: D005147:Facial Bones / Q000601:surgery*; D006801:Humans; D010027:Osteotomy / Q000295:instrumentation*; D013525:Surgical Instruments; D013536:Suture Techniques / Q000295:instrumentation