That which closes or stops an opening.

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

Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve.

The obturator is placed in the sheath to provide a smooth blunt tip for insertion into the urethra

An insertion tool used for insertng a Jackson cannula.

A blunt or dull tipped instrument that gently introduces a cannula into a body orifice.

n. An outgrowth of the funicle (commonest), placenta, or integument, etc., that forms a bridge between the micropyle and other tissues and is believed to faciltate fertilisation.

Located in the hollow between the pubis and ischium at the front of the bony pelvis.

During aortic or mitral valve replacement, a sizing tool used to determine the appropriate size heart valve.

Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check.

A camera shutter.

Latin obturatus = stopped up; hence, a structure which closes a hole.