A text-book of the diseases of the ear and adjacent organs . rior end of the instrument is intro-duced into the opening and pressed against theborder of the bone so that the external surfaceof the plate of the hook is against the inner sideof the margo tymp. While the instrument is heldagainst this the branches are pressed together bywhich the chisel cuts through the lamella ofbone lying between it and the plate of the manipulation is repeated 10 or 15 times,during which the instrument must be removed4 or 5 times in order to clean away the par-ticles of bone. Also in this operation t
A text-book of the diseases of the ear and adjacent organs . rior end of the instrument is intro-duced into the opening and pressed against theborder of the bone so that the external surfaceof the plate of the hook is against the inner sideof the margo tymp. While the instrument is heldagainst this the branches are pressed together bywhich the chisel cuts through the lamella ofbone lying between it and the plate of the manipulation is repeated 10 or 15 times,during which the instrument must be removed4 or 5 times in order to clean away the par-ticles of bone. Also in this operation the dan-gerous pressure upon the ossicula should be avoided. The after-treatment is the same as by the first method. The chiselling away of the margo tymp. through the meatus is too unsaferand there is great danger of dislocating the ossicula. As regards the indica-tions for extraction of the hammer and incus, as well as the opening of theattic after loosening the auricle from its posterior insertion, they will be dis-cussed in another section of this Fig. 234 (Half-size). Concluding Remarks on the Treatment of Chronic Middle-earSuppuration. From the above it may be gathered that in the treatment of chronicmiddle-ear suppuration the first indication is the removal of thestagnant secretion from the middle ear. Although certain medica- TREATMENT OF CHRONIC MIDDLE-EAR SUPPURATION. 427 ments prove, on the whole, more efficient, still in many cases theproper one can only be found by trying several. As, according tomy experience, most preparations lose their efficacy after using themfor some time, it is better after the use of one for several weeks tochange to another medicament. The effect of an alternating useof the medicaments is often very much more rapid. Sometimes amedicament which has previously proved without effect after theuse of another one will act very beneficially. That there are casesin which the suppuration is kept up by the use of medicines is provedby the case
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Keywords: ., bookcentury1800, bookdecade1890, booksubjecteardiseases, bookyear
