Obturator
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143504017
2007-07-09T14:35:14Z
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'''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 This is inserted into the orifice and then withdrawn allowing easy viewing of the cavity being examined.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.
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[[tr:Obtüratör]]