obturator


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obturator

[′äb·tə‚rād·ər]
(anatomy)
Pertaining to that which closes or stops up, as an obturator membrane.
Either of two muscles, originating at the pubis and ischium, which rotate the femur laterally.
(medicine)
A solid wire or rod contained within a hollow needle or cannula.
(ordnance)
Assembly of steel spindle, mushroom head, obturator rings, and a gas-check or obturator pad of tough plastic material used as a seal to prevent the escape of propellant gases around the breechblock of guns using separate-loading ammunition, and therefore not having the obturation provided by a cartridge case.
A device incorporated in a projectile to make the tube of a weapon gastight, preventing escape of gas until the projectile has left the muzzle of the weapon.
References in periodicals archive ?
12) compared general anesthesia using succinylcholine with epidural anesthesia completed with ONB and reported a case of difficulty in localizing the nerve, damage to the obturator artery, and arterial bleeding, which was later complicated by hematoma.
Magnet-retained facial prosthesis combined with maxillary obturator.
Keywords: Adductor reflex, Labat approach, Obturator nerve block, TURBT, Transurethral resection of bladder tumors, Urinary bladder growths.
In the present case, along with the obturator a nasal stent was added on the labial flange of feeding plate, a new approach which is called as pre-surgical nasoalveolar molding (PNAM).
Role of obturators and other feeding interventions in patients with cleft lip and palate: a review.
Seventy-one percent of respondents feel the obturator oblique is the most important view; however, this number did not reach the level of consensus that was set for this survey.
The fabrication of obturator is than required to keep it open which follows all the basic prosthodontic principles used in conventional oral prosthesis.
Bilateral simultaneous traumatic obturator dislocations are extremely rare.
If possible, the obturators should be placed prior to the next imaging.
The obturator internus originates from the rami surrounding the obturator foramen and the quadrilateral plate and leaves the pelvis through the lesser sciatic notch before inserting on the greater trochanter of the proximal femur (4).
According to operative reports for these 2 patients, the needle passed through the obturator foramen with difficulty.