. Diseases of the dog and their treatment. Fig. 156. Kramers ear speculum. 436 DISEASES OF THE EAR slightly alkaline, can also be used—the two former, however, are to bepreferred. When the condition is chronic a syringe must be used to getinto the deep parts of the ear and the best for this purpose is one madeentirely of soft rubber with a long flexible point that can be pushed intothe meatus without any great danger of injuring the canal; the flexiblepoint adapts itself to the turns of the external ear canal, and by usingapplications of warm water injected into the meatus the latter can betho
. Diseases of the dog and their treatment. Fig. 156. Kramers ear speculum. 436 DISEASES OF THE EAR slightly alkaline, can also be used—the two former, however, are to bepreferred. When the condition is chronic a syringe must be used to getinto the deep parts of the ear and the best for this purpose is one madeentirely of soft rubber with a long flexible point that can be pushed intothe meatus without any great danger of injuring the canal; the flexiblepoint adapts itself to the turns of the external ear canal, and by usingapplications of warm water injected into the meatus the latter can bethoroughly cleansed of accumulated cerumen, crusts, etc. The canal isthen dried with absorbent cotton introduced into the ear on the end of asmall pair of forceps. In some chronic cases great benefit is to be hadfrom injecting peroxide of hydrogen into the ear, as it cleans it out thor-. FiG. 157.—Ear swab and mode of using it. oughly, but under no circumstances must this be repeated frequently asthe peroxide solution, while it has great cleansing properties, if repeatedfrequently, attacks the normal structure of the ear and frequently thewriter has had brought to him cases where the whole inside of the ear andconcha was a mass of granulations, in what was originally a very mildcase, caused by the action of the peroxide solution. Syringings with water and fluids of any kind must not be used forany length of time, as they are apt to carry the debris of the condition,such as wax, pus, mucus, scab, etc., down into the middle ear. On theother hand, it is well to clean out the ear thoroughly once or twice witha syringe with a flexible point. As the meatus is elongated, narrow, andslightly curved, there is not much clanger of injuring the tympanicmembrane. In very slight affections of this character, wdiich may berecognized by a slight redness of the membrane, itching, an
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