BISTOURY

n. Bits'tutr-i2,_ Gr., opiAn, paxaiprov. Lat., culter, scalp ell us. Fr., bistouri. Ger., Bistouri. 1t, bistori. Sp., bisturi. A surgical knife, especially one with a small and narrow blade. ‘[A, 385.] | Cf. KNIFE and ScALPEL—Anæsthetic b. A straight b. with the handle and blade channeled; devised by J. L. Corning for injecting a solution of cocaine into the part upon which it is used. [A, 469.]—Concave b. Fr., bistouri concave. A curved b. with the cutting edge on the concavity. [E.])—Convex b. Fr., bistouri convexe. A curved b. with the cutting edge on the convexity. [E.]—Probe-pointed b. Fr., bistouri bontonné. Ger., Knop fbi stour i. A b. with a blunt, knob-like point; so called because it was originally made with a probe-like prolongation at the point. Used in sinuses, fistula, etc. [E.]