. The diagnosis, pathology and treatment of diseases of women including the diagnosis of pregnancy. or 3 will generally be found piece of gutta percha of a semilunar form, and with a perfora- 470 PATHOLOGY AND TREATMENT. tion at about its centre, is next soldered bj means of a little boil-ing water into the ring pessary. It thus forms a support for theintra-uterine stem. The piece of gutta percha is slightly arched,and the hole in it is so large that it readily admits the lengthenedpart of the stem. This vaginal oval pessary must be well adaptedto the size of the vagina. It then bec
. The diagnosis, pathology and treatment of diseases of women including the diagnosis of pregnancy. or 3 will generally be found piece of gutta percha of a semilunar form, and with a perfora- 470 PATHOLOGY AND TREATMENT. tion at about its centre, is next soldered bj means of a little boil-ing water into the ring pessary. It thus forms a support for theintra-uterine stem. The piece of gutta percha is slightly arched,and the hole in it is so large that it readily admits the lengthenedpart of the stem. This vaginal oval pessary must be well adaptedto the size of the vagina. It then becomes the fixed point: suffi-cient motion in all directions is allowed the uterus, as the plug fitsloosely into the collar below; but the plug cannot easily slip length of the plug must not exceed If inches. Its size atthe bulbed end may vary according to circumstances. In order toin-troduce the instrument, the sound, as a handle, is passed throughthe gutta percha collar, and on it is placed the ebony plug. Afterthe plug has been placed in situ, the ring is made to slide up the Fig. 55.*. sound until finally the little plug finds its place in the supportingcollar. The sound is then withdrawn, and the work is those Avho have attempted to introduce rigid plugs into acontorted or contracted canal, and to maintain them there, willappreciate the necessity or usefulness of this contrivance, which Ihave found to answer extremely well. In the drawing (Fig. 55)are shown the pessary with the plug and its collar complete (a),and adapted for an ordinary case; also the cervical plug (b) sep-arate. * At B the stem is shown the natural size. DYSMENORRHGEA. 471 TREATMENT OF CASES OF IMPERFORATE OS UTERI. In some rare cases the os uteri is imperforate congenital]v, andthere is no outlet for the menstrual fluid. And the os uteri maybecome occluded after labor, from effects of operations, &c. Un-der these circumstances, also in cases of physometra, we may becalled upon to evacuat
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