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Surgical anesthesia combines in large measure both science and art; science in the profound effect of anesthetics, art in the great difference, in safety and well-being of the patient, between skilled and thoughtless administration.
The present time is demanding a finer discrimination between methods. The aim is to approach the "ideal anesthesia," one factor in which is perfectly even administration. Success in the prevailing use of the drop method with ether is hampered by intermittent application of the anesthetic, whereas there should be a steady dropping of the ether. But no suitable dropper has been hitherto made which combines efficiency with simplicity and availability for universal use. The one shown herewith has been designed to fill this need of regulating.
It is a double tubeèinlet for air, outlet for anesthetic—with a needle valve in the latter, so placed that a linger easily screws it down to any degree of
Pinneo FW. A NEW REGULATING DROPPER FOR ETHER OR CHLOROFORM, USABLE ON ANY CONTAINER. JAMA. 1912;LIX(11):877. doi:10.1001/jama.1912.04270090121018
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