| 释义 |
trocar|ˈtrəʊkɑː(r)|
Also 8 trochart, (trois-quarts, -quart), 8–9 trocart, trochar.
[ad. F. troquart, trois-quarts (1694), trocart (1762), f. trois three + carre side, face of an instrument; so called from its triangular form.]
A surgical instrument consisting of a perforator or stylet enclosed in a metal tube or cannula, used for withdrawing fluid from a cavity, as in dropsy, etc.
1706Phillips (ed. Kersey), Trochar, a Cane, or Pipe made of Silver, or Steel, with a sharp-pointed End, us'd in tapping those that are troubled with the Dropsy. 1739Huxham in Phil. Trans. XLI. 644 A very small hollow Needle with Perforations, as in that used by some instead of the Trocar. 1744Warrick ibid. XLIII. 16 My Apparatus was a large Trois-quarts, made on purpose, and dipped in Oil; an Injector [etc.]. 1751Ibid. XLVII. xl. 268 The common trocarts did not seem proper. 1758J. S. Le Dran's Observ. Surg. (1771) 216 He perforated it with the Troisquart. 1861Hulme tr. Moquin-Tandon ii. vi. iv. 304 The Ticks plunge their beaks into the skin in the same way as one may thrust in a trochar. 1876Gross Dis. Bladder 32 If abscesses point, they must be opened with the knife, or trocar.
attrib.1863–76T. B. Curling Dis. Rectum 101 A sharp trocar-needle can be passed through the canula. 1905Rolleston Dis. Liver 54 There was..fibrinous peritonitis around the site of the trocar punctures. |