n. 充填器, 闭塞具, 气密装置

[医] 充填器, 填塞器, 充填体, 闭孔肌

[ noun ]
a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate)
<noun.artifact>

Obturator \Ob"tu*ra`tor\, a. (Anat.)
Serving as an obturator; closing an opening; pertaining to,
or in the region of, the obturator foramen; as, the obturator
nerve.

{Obturator foramen} (Anat.), an opening situated between the
public and ischial parts of the innominate bone and closed
by the obturator membrane; the thyroid foramen.


Obturator \Ob"tu*ra`tor\, n. [NL., fr. L. obturare to stop up:
cf. F. obturateur.]
1. That which closes or stops an opening.

2. (Surg.) An apparatus designed to close an unnatural
opening, as a fissure of the palate.

3. (Ordnance) Any device for preventing the escape of gas
through the breech mechanism of a breech-loading gun; a
gas check.
[Webster 1913 Suppl.]

4. (Photog.) A camera shutter.
[Webster 1913 Suppl.]