CATHETER

(Lat.), n. m. Ka2th(ka3th)'e2t-u5r(ar). Gen., catheter'os (-is). Gr., icaflenjp. Fr., catheter, sonde, algalie. Ger., C., Katheter, Harnzapfer. It., catetere. Sp.. cateter, algalia. Anciently, any instrument for exploring a canal; as now used, a tube designed for insertion into a canal, especially through the urethra into the urinary bladder; of the French, a lithotomy staff. [A, 301, 322, 385; L, 41.] A in us sat's c. Fr., sonde recti ligne d'Amu at. A straight c. brought into use by Amu at. [a, 18.] Benique's c. A c. having a straight shaft joined at a slight angle to the curved portion near the beak, the curve being directed oackward at its beginning, [a, 18.] Bent o. See Elbowed c. Biegsamer C. (Ger.). See Flexible c. Brodie's c. A short c., le curved than an ordinary c., fixed to a wooden handle, [a, 18.] Bumstead's retention c. A modification of Thompson's retention c. with a screw at the end for attaching a filiform bougie. [E.] Bulb-ended c. Fr., catheter (ou sonde) d boule. A very flexible urethral c. having a long tapering extremity ending in a bulbous point. [A, 476.] C. argenteus. Fr., sonde en argent. Ger., silberner C. A silver c. [L, 80.] C. chalybeatus. Fr., sonde en fer. Ger., stdhlener C. An iron c. [L, 80.] C'dralit (Ger.). A lithotomy staff. [L, 80.] C. elastic us. See Flexible c. C. fever. See under FEVER. C. ilexibilis. See Flexible c. C. gauge. Fr., filiaire. A plate or card having circular perforations progre ively increasing in size and numbered to correspond with the sizes of c's. One numbered according to the French scale shows the circumference of a c. in millimetres. C.- holder. An arrangement of tapes, or the like, fastened to the free end of a c. and attached to the patient's body after pa ing through a ring around the root of the penis; used for retaining a c. in the bladder. [E.] C. immobilis. Fr., sonde d demeure. Ger., unbeweglicher C. A c. left in the bladder for a length of time. [L, 80.] C. zur Au piilung (Ger.). See Irrigation c. Caustic c. Of J. Erichsen, a modification of Lallemand's porte-caustique; a silver c. having several minute openings in the beak. To the end of the stylet a sponge is attached which, charged with a solution of nitrate of silver, is pa ed into the c. [A, 419.] Double c., Double-channeled c., Double-current c. Fr., sonde d double courant. A catheter divided into two channels by a longitudinal partition, one for injecting liquid and the other for its escape. For obstetrical and gynaecological purposes, such c's have been made in several pieces, so that they may be taken apart and thoroughly cleansed. [H. A. Kelly, " N. Y. Med. Jour.," Mar. 17, 1888, p. 295; E.] Elastic c. See Flexible c. Elastic tympanic c. Fr., sonde tympani que elaslique. Ger.. elastischer tympan is cher C. A small flexible tube, funnel-shaped at its outer end, for introduction into the tympanic cavity through a Eustachian c. [F, 32.] Elbowed c. Fr., catheter coude, sonde coudee. A urethral c. having a soft flexible stem, but stiffer toward the point, where it makes a sharp turn, forming a short beak; used for pa ing obstructions on the floor of the urethra. [A, 476.] Eustachian c. Fr., sonde de la trompe d'Eustache (ou de roreille). Ger., Ohrc\ It., catetere tubario. Sp., cateter de la tromp a de Eustaquio. A O, no; O2, not; O', whole; Th, thin; Th2, the; U, like oo in too; [s. 129]