An antral catheter for maxillary sinusitis.
D002404:Catheterization / Q000295:instrumentation*; D004322:Drainage / Q000295:instrumentation; D006801:Humans; D008443:Maxillary Sinus; D010036:Otolaryngology / Q000295:instrumentation*; D012852:Sinusitis / Q000628:therapy*; D013594:Syringes; D007507:Therapeutic Irrigation / Q000295:instrumentation*