Obturator 3223748 143504017 2007-07-09T14:35:14Z 209.43.9.154 '''Obturator''', is a term used to refer to an object used to obstruct a hole. Specifically, it can refer to: 1. The central removable core of a medical instrument (e.g. a [[proctoscope]]) which allows easy insertion of the tip into the [[anus]] or other orifice. The obturator typically has a rounded end which protrudes through the far opening of the instrument. This is inserted into the orifice and then withdrawn allowing easy viewing of the cavity being examined. * [[Obturator ring]] 2. a prosthetic device serving to close an opening in the body. Can be used as a maxillofacial prosthesis to close a cleft palate. * [[Palatal obturator]] 3. A naming convention used to describe an anatomical structures that obturates an anatomical [[foramen]] or aperture * [[Obturator artery]] * [[Obturator nerve]] * [[Obturator vein]] * [[Obturator externus muscle]] * [[Obturator internus muscle]] * [[Obturator membrane]] * [[Obturator canal]] * [[Obturator foramen]] 4. In [[gunnery]] where an Obturator is used to stop the escape of gas until the [[propulsion]] phase is complete. This applies particularly to large-bore [[artillery]] pieces. {{Disambig}} [[tr:Obtüratör]]