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KOCH'S HYPODERMIC SYRINGE.
A very important result of bacteriological study is seen in the introduction of instruments that can be readily and thoroughly sterilized. To this end surgical instruments are now made as simple as possible and with the fewest number of crevices for the accumulation of dirt. An instrument, to be acceptable at this day, must possess not only simplicity of form but must also contain no materials that prevent it from being subjected to the most approved methods of sterilization.In order to secure the advantages of an entirely aseptic instrument for the injection of his inoculation lymph, Prof. Koch has invented a new syringe to take the place of the old Pravaz pattern. Owing to the universality of the interest taken in Koch's new method of treating tuberculosis, this instrument will doubtless come rapidly into vogue throughout the world.Through the courtesy of Messrs. Chas. Truax
NEW INSTRUMENTS.. JAMA. 1890;XV(25):915. doi:10.1001/jama.1890.02410510035015