Minor surgical gynecology : a manual of uterine diagnosis and the lesser technicalities of gynecological practice : for the use of the advanced student and general practitioner . asthe dilatation is performed with or without cutting instruments. I shallfirst describe the various methods without cutting instruments, and thenspeak of the operation for opening the uterine cavity with knife or scis- 234 A TEEATISE ON MINOR SURGICAL GYNECOLOGY. sors, the so-called bloody dilatation of the canal, in contradistinctionto the other bloodless procedure. The cutting operation is naturallya rapid and imme
Minor surgical gynecology : a manual of uterine diagnosis and the lesser technicalities of gynecological practice : for the use of the advanced student and general practitioner . asthe dilatation is performed with or without cutting instruments. I shallfirst describe the various methods without cutting instruments, and thenspeak of the operation for opening the uterine cavity with knife or scis- 234 A TEEATISE ON MINOR SURGICAL GYNECOLOGY. sors, the so-called bloody dilatation of the canal, in contradistinctionto the other bloodless procedure. The cutting operation is naturallya rapid and immediate method. Dilatation without Cutting Instruments (Bloodless Dilatation). Methods and Instruments, and IIoio to Use Them.—There are twomethods of dilating the uterine canal without knife or scissors, and theydiffer simply in the degree of rapidity with which the dilatation is ac-complished. a. Rapid dilatation (that is, within fifteen minutes, and at one sitting)is effected by means of graduated sound-like instruments, which are forcedthrough the uterine canal one after the other; or by steel two- orthree-branched instruments, which are introduced closed and then ex-. Fig. 152.—Peaslees uterine dilators. panded by an external mechanism; or by tubes or bags of rubber whichare inserted in a collapsed condition, and are then inflated with air orwater; or by the finger. Graduated sounds.—In 1870 the late Dr. E. R. Peaslee devised a seriesof graduated metal sounds which were arranged to screw into one appearance is shown in Fig. 152. There were either five or three inthe set. Later these dilators were made of hard rubber. Dr. HoraceT. Hanks modified them slightly by placing two dilators of different size
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