Operative surgery . ses), regards litho-lapaxy as suitable for all but 3 per cent of the cases. Irrespective of the aforegoing results it should not be overlooked thatone is likely to succeed best—other things being equal—in the use of themethod of ]iractice with whicli he is the most familiar. Foreign Bodies in the Urethra.—It is rare indeed that stones form in theurethra. Usually they are arrested there during the passage of the prostatic sinus, the membranous urethra just behind the anterior layerof the triangular ligament (Fig. 1378, rf), and the navicular fossa, are thecommon si
Operative surgery . ses), regards litho-lapaxy as suitable for all but 3 per cent of the cases. Irrespective of the aforegoing results it should not be overlooked thatone is likely to succeed best—other things being equal—in the use of themethod of ]iractice with whicli he is the most familiar. Foreign Bodies in the Urethra.—It is rare indeed that stones form in theurethra. Usually they are arrested there during the passage of the prostatic sinus, the membranous urethra just behind the anterior layerof the triangular ligament (Fig. 1378, rf), and the navicular fossa, are thecommon sites of lodgment. Sometimes they are arrested at the peno-scrotaljunction. A marked narrowing at any part of the urethra may arrest theirpassage. Complete and incomplete obstruction may be caused, dependingon the diameter of the stone or that of the canal. The degree of the obstruc-tion is indicated practically by the arrest and the freedom of the flow of theurine through the 1204 OPERATIVP] Fig. 1415.—Instruments employed in removal of forei<rn bodies from urethra and Madder. a. Merciers duplicator for use in the bladder, h. Collins broken catheter extractor, crusher, d. Nelatons urethral cruslier. e. Reliquets urethral Mathieus lithotrite. g. Old i)attern of urethral lithotrite with calculus in Mathieus curved urethral forceps, i. Thornfisons urethral forceps. /. Short-jawed urethral forceps, k. Syringe. I. Needle for needling stone in urethra, spatula n. Loop of wire and of silkworm gut to lasso urethi-al Silver probe, p. Urethral scoop, q. Wheelhouses staff for perineal section. UrEKATlONS ON TUK LKINAUV BLA DDKIJ. 1205 The rreatinoii.—In jiartial obstruction, the sudden arrest of the flow ofurine and tiie distention of the urethra attendant on grasping the head ofthe penis during micturition will cause dislodgmcnt and escape of the of the canal in front by an oleaginous in
Size: 1335px × 1871px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1890, bookidoperativesurgery02brya
