RETRACTOR

(Lat.), n. m. Re(re2)-tra2kt(tra3kt)'oar. Gen., -or'is. From retrahere, to draw back. Fr., retract eur. Ger., Zuriickzieher, Riickwdrtszieher (2d def.). 1. Any appliance for drawing back an organ or any ma of ti ue, especially a strip of musli'i designed to protect the soft parts from injury by the saw in amputations or a metal instrument for holding the lips of a wound apart. [E.] 2. A muscle which retracts the organ or ti ue in which it has its insertion. [L.] Emmet's perinea! r. A vaginal speculum of one or two blades, acting on the principle of Sims's speculum, but made self-retaining by the angle of the shank with the blade being capable of adjustment by means of a screw, and by a loop-like plate (also adjustable) for counter-pre ure over the sacral region. [A, 21.] Eyelid r. A metallic r. employed in holding the lids up or down and away from the eyeball for examination or for operating. The usual pattern is that of a metallic plate fitting the inner surface of the lid and the outer surface of the eyeball. [F.] Minor's trachea r. A hollow rod, slightly curved, holding by a screw a bent wire r. at each end; used as a substitute for tracheotomy tubes. [E.] Pilcher's r. A small pair of blunt hooks on a single delicate stem; used in tracheotomy. [E.] R. aiigtili or is. See BUCCINATOR. R. bulb i oculi. Ger., Grundmuskel. See CHO A NO IDE US.--R. glottidis. See GENIO-EPIGOLTTIcus. R. urethi-e, R. urethral is. See BULBO-CAVER NOS US. R. uteri. 1. The recto-uterini of both sides regarded as one. [L, 332.] 2. Of Luschka, a recto-uterine fold. Rose's r. A piece of steel wire bent to form a pair of spring-hooks; used to hold open the wound in tracheotomy. [E.] VVells's r. Two wires bent into the form of hooks and connected by a band pa ing around the back of the neck. For holding open the wound in tracheotomy. [E.] [s. 395]