The American text-book of obstetrics for practitioners and students . oses when a speedy result is not required, and it is theone in most common use. •°>. Tamponingthe Vagina.—A vaginal tampon of gauze or of cotton pledgets,or a rubber bag (colpeurynter, Fig. 17o) passed up to the cervix and dilatedwith air or water, is sometimes a usefulauxiliary in the induction of labor, butis too slow, uncertain, and painful to berelied upon alone. It is of great ser-vice in placenta prsevia and in somecases oi accidental hemorrhage. It isuseful also to strengthen labor-painswhich are growing weak or to
The American text-book of obstetrics for practitioners and students . oses when a speedy result is not required, and it is theone in most common use. •°>. Tamponingthe Vagina.—A vaginal tampon of gauze or of cotton pledgets,or a rubber bag (colpeurynter, Fig. 17o) passed up to the cervix and dilatedwith air or water, is sometimes a usefulauxiliary in the induction of labor, butis too slow, uncertain, and painful to berelied upon alone. It is of great ser-vice in placenta prsevia and in somecases oi accidental hemorrhage. It isuseful also to strengthen labor-painswhich are growing weak or to applycounter-pressure to a presenting bag of membrane- which it i- desirable tokeep unruptured. The method of applying a tampon has already beendescribed. 4. Dilatation of the Cervix.—When it i- required to empty the uterus asrapidly as possible, it may be necessary to dilate the cervix artificially. For adescription of this method see page 407. There is moreor less risk attendingforcible dilatation, and it should not be attempted unless the case is 175.—Colpeurynter. 406 AMEBIC AX TEXT-BOOK OF OBSTETBICS. 5. Intra-vterine Injection (known as Cohens Method).—A special nozzle oran elastic catheter is passed between the membranes and the uterine wall, as inKrauses method ; water or some other fluid is injected through the nozzle untiltension is complained of. The injected fluid separates the membranes fromtheir uterine attachments and stimulates contraction. The nearer to the fundusthe fluid is conveyed, and the larger the area of detachment, the more certainand active will be the contraction. This method is efficient but dangerous;several fatal cases have been reported from shock and from entrance of air intothe uterine veins. 6. Vaginal Irrigation (known as Kiwischs Method).—A stream of hot water(100° to 120° F.) is directed against the cervix for ten or fifteen minutes at atime every two or three hours until labor-pains set in. Some obstetricians
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