title: Primum non nocere: risk assessment for new surgical procedures.
authors.affiliation: Faculty of Medicine, Department of Surgery & Cancer, Imperial College London, St Mary's Hospital, London, UK; Mechanical Engineering Department, Imperial College London, London, UK. Electronic address: tressa@cantab.net.
authors.forename: Tressa D
authors.initials: TD
authors.lastname: Amirthanayagam
authors.affiliation: Faculty of Medicine, Department of Surgery & Cancer, Imperial College London, St Mary's Hospital, London, UK.
authors.forename: Roger J H
authors.initials: RJ
authors.lastname: Emery
mesh_terms: D001182:Arthroscopy / Q000009:adverse effects; D018795:Device Approval; D006801:Humans; D062069:Inventions; D059032:Learning Curve; D019637:Orthopedic Procedures / Q000009:adverse effects*; D061214:Patient Safety; D018570:Risk Assessment; D014481:United States; D014486:United States Food and Drug Administration