• WordNet 3.6
    • n retractor surgical instrument that holds back the edges of a surgical incision
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Webster's Revised Unabridged Dictionary
    • n Retractor (Surg) One who, or that which, retracts.
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Century Dictionary and Cyclopedia
    • n retractor One who or that which retracts or draws back. Specifically— In anatomy and zoology, a muscle which draws an organ backward. or withdraws a protruded part, as that of the eye or ear of various animals, of the foot of a mollusk, etc.: the opposite of protractor. See retrahens.
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Chambers's Twentieth Century Dictionary
    • n Retractor one who, or that which, retracts or draws back: in breech-loading firearms, a device for withdrawing a cartridge-shell from the barrel: :
    • n Retractor (surg.) an instrument for holding apart the edges of a wound during operation: a bandage to protect the soft parts from injury by the saw
    • n Retractor (zool.) a muscle serving to draw in any part
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Chambers's Twentieth Century Dictionary
Fr.,—L. retrahĕre, retractumre-, back, trahĕre, to draw.


In literature:

The incision should then be stretched by means of retractors, until the contents of the sac can be lifted out.
"Old-Time Makers of Medicine" by James J. Walsh
Retractor: used in drawing in or back; as a muscle.
"Explanation of Terms Used in Entomology" by John. B. Smith
These consist of four straight muscles, two oblique, and one retractor.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
Scotty pulled the retractor of his rifle and a cartridge rammed into the firing chamber.
"The Golden Skull" by John Blaine
Attached to the piston is a strong retractor muscle.
"Handbook of Medical Entomology" by William Albert Riley
The back of the scoop was used as a retractor for delicate structures.
"Surgical Instruments in Greek and Roman Times" by John Stewart Milne
Retractor muscle of claw.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour

In news:

This video demonstrates an anal fistula repair using the Lone Star Retractor System for Colorectal Procedures with Ernesto Drelichman, MD.
Lumbar And Cervical Spine Retractors.
Millennium Surgical Corp. Millennium Surgical has announced an extensive offering of US and German made retractors for use in spine surgery.
Mitral Valve Retractor System.
K2M Launches SERENGETI Complex Spine Minimally Invasive Retractor System at Scoliosis Research Society 47th Annual Meeting.
Lumbar And Cervical Spine Retractors.
Invuity has introduced its illuminated breast retractor system at the American College of Surgeons' 97th Annual Clinical Congress in San Francisco.
This line of German-crafted Rake Retractors includes eight patterns ideal for breast, facial, general surgery and abdominal skin flap retraction.
With the retractors pulling the belt in nice and tight, I'm not slamming the seatbelts in the doorjamb any longer and I don't have to lean in and tuck the center belts in when I want to clean up the seat area.
This ratchet wheel is part of a seatbelt retractor system from Key Safety Systems.

In science:

Figure 2. (left) Field plate showing 240 individual fibre retractors. (center) Backside of the plate showing stiffening structure and the two different retractor geometries. (right) Side view of two adjacent retractors showing accommodation beneath the plate.
Fibre Positioning Revisited: The use an off-the-shelf assembly robot for OPTIMOS-EVE