n catheter OYES ONO Medication patch (Nicotine, Nitroglycerine, etc.) OYES ONO Wire mesh implant DYES O NO Tissue expander (breast or other) DYES ONO Surgical staples, clips or metallic sutures OYES ONO Joint replacement (hip, knee, etc.) OYES ONO Bone/joint pin, screw, nail, wire, plate, etc. OYES ONO I