Treatise on gynæcology : medical and surgical . erior portion of the canal. Itthen glides upward and backward, describing a spiral along the pos-terior wall. A slight pressure on its posterior bar carries it beyond thecervix into the jposterior vaginal pouch and it thus occupies an obliqueposition from above downward and from behind forward. The abdomi-nal pressure acting upon the pelvic floor, constantly but with increasedforce in all efforts, tends to make the pessary take a horizontal posi-tion, and it thus oscillates about an imaginary axis which passesthrough the middle of its transverse
Treatise on gynæcology : medical and surgical . erior portion of the canal. Itthen glides upward and backward, describing a spiral along the pos-terior wall. A slight pressure on its posterior bar carries it beyond thecervix into the jposterior vaginal pouch and it thus occupies an obliqueposition from above downward and from behind forward. The abdomi-nal pressure acting upon the pelvic floor, constantly but with increasedforce in all efforts, tends to make the pessary take a horizontal posi-tion, and it thus oscillates about an imaginary axis which passesthrough the middle of its transverse diameter, so that while the in-ferior arc is depressed the superior is lifted, owing to the obliquity ofthe wall. The jposterior cul-de-sac is therefore stretched, the cervixdrawn backward according to the degree of the abdominal pressure,and the uterus as a whole carried forward if the retroflexion has beenreduced previously. It is not unimportant to, remark that, even whenthis reduction has been incomplete, some benefit may often be obtained.
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Keywords: ., bookcentury1800, bookdecade1890, booksubje, booksubjectgynecology
