obturator

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obturator

 [ob´too͡-ra″tor]
1. a disk or plate that closes an opening.
2. a prosthesis for closing an acquired or congenital opening of the palate (cleft palate).
obturator sign pain on outward pressure on the obturator foramen as a sign of inflammation in the sheath of the obturator nerve, probably caused by appendicitis.

ob·tu·ra·tor

(ob'tū-rā'tŏr),
1. Any structure that occludes an opening.
2. Denoting the obturator foramen, the obturator membrane, or any of several parts in relation to this foramen.
3. A prosthesis used to close an opening in the hard palate, usually in a cleft palate.
4. The stylus or removable plug used during the insertion of many tubular instruments.
[L. obturo, pp. -atus, to occlude or stop up]

obturator

/ob·tu·ra·tor/ (ob´tu-rāt″er) a disk or plate, natural or artificial, that closes an opening.

obturator

(ŏb′tə-rā′tər, -tyə-)
n.
1. An organic structure, such as the soft palate, that closes an opening in the body.
2. A prosthetic device serving to close an opening in the body.

obturator

[ob′tərā′tər, ob′tyərā′tər]
Etymology: L, obturare, to close
1 a device used to block a passage or a canal or to fill in a space, such as a prosthesis implanted to bridge the gap in the roof of the mouth in a cleft palate.
2
Usage notes: nontechnical.
an obturator muscle or membrane.
3 a device that is placed into a large-bore cannula during insertion to prevent potential blockage by residual tissues.

ob·tu·ra·tor

(ob'tŭr-ā-tŏr)
1. Any structure that occludes an opening.
2. Denoting the obturator foramen, the obturator membrane, or any of several parts in relation to this foramen.
3. A prosthesis used to close an opening of the hard palate, usually a cleft palate.
4. The stylus or removable plug used during the insertion of many tubular instruments.
[L. obturo, pp. -atus, to occlude or stop up]

obturator

Any device, object or anatomical structure that closes or obstructs an opening or cavity.

ob·tu·ra·tor

(ob'tŭr-ā-tŏr)
1. A prosthesis used to close an opening in the hard palate, usually in a cleft palate.
2. Any structure that occludes an opening.
3. Denoting obturator foramen, obturator membrane, or any of several parts in relation to this foramen.
4. The stylus or removable plug used during the insertion of many tubular instruments.
[L. obturo, pp. -atus, to occlude or stop up]

obturator (ob´toorātur),

n a prosthesis used to close a congenital or acquired opening in the palate. See also aid, prosthetic speech.
Enlarge picture
Cleft palate obturator.
obturator, hollow,
n that portion of an obturator made hollow to minimize its weight.

obturator

a disk or plate that closes an opening, e.g. to close a cleft palate temporarily or permanently.

obturator muscles
the muscles that rotate the thigh laterally. See also Table 13.
obturator nerve degeneration
causes permanent obturator nerve paralysis (below).
obturator paralysis
commonly follows pressure on the obturator nerve during parturition; causes inability to adduct the thighs and the cow does the splits. When recumbent the legs are splayed with one on either side of the body.
Enlarge picture
Obturator paralysis. By permission from Sack W, Wensing CJG, Dyce KM, Textbook of Veterinary Anatomy, Saunders, 2002
References in periodicals archive ?
By expanding our line of access to include these new reusable obturators, Teleflex continues to affirm its commitment to addressing these needs and providing effective solutions that help enhance patient safety.
Repairing septal perforations larger than 4 cm can be problematic, and these patients are frequently offered prosthetic obturators.
Endoprosthesis - included in the range of 17 product groups, including: rods, heads, shells, cartridges, obturators, screws, pins, plugs, oscillating saw blades, plugs, cement block, part of the metaphyseal, stem portions, shallow trochanteric, augumenty inspection, femoral components and parts, parts and components tibia, patella, bone cements, mixers, femoral and tibial flanges, adapters, washers, bone
Package 8: total hip prosthesis cementless, anatomically complete with screws, pins and obturators
An obturator is used to prevent the baby's hard palate from closing improperly until he or she is old enough and strong enough to undergo corrective surgery.