Ear-syr′inge.
An instrument for injecting the ear with a liquid or medicated vapor. An ordinary syringe may answer the usual purposes of cleanliness, softening indurated wax, etc., but the instrument shown has a farther capacity. a is an indiarubber air-bag, b a flexible tube, c a bulb of hardrubber, made in two pieces, which screw together and contain a sponge to hold chloroform or other liquid; d is the perforated bulb. It is particularly used in treating diseases of the middle ear. The sponge being previously moistened, the nozzle of the bulb is placed in one nostril, the other is closed by the finger of the surgeon, the mouth is also closed, and the patient, having previously taken a mouthful of water, is told to swallow, and, just as he is doing this, the surgeon compresses the air-bag, and sends the iodized air into the faucial orifice of the eustachian tube, and, if the drum be perforated, into the cavity of the tympanum.Roosa ear-syringe. |