retractor

/ri-trak-ter/US // rɪˈtræk tər //UK // (rɪˈtræktə) //

牵引器,牵引装置,牵引力,牵引车

Definitions

n.名词 noun

1
- : a person or thing that retracts.
- : Anatomy. a muscle that retracts an organ or protruded part.
- : Surgery. an instrument or appliance for drawing back an impeding part, as the edge of an incision.
- : a mechanism, device, or the like that regulates retraction: to adjust the retractor on a seat belt.

There is, however, another muscle—the Retractor oculi—belonging to the same group which is innervated by the VIth nerve.
Speculum, straight strabismus scissors, lid retractor, needle holders and stitches.
The eye and orbital contents are carefully protected with a large flat retractor.
Its edge is then drawn slightly outwards by means of a retractor and separated from the underlying deep fascia.
A self-retaining retractor was put into place to maintain exposure.