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June 3, 1899, Vol XXXII, No. 22 >

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ARTICLE | June 3, 1899

A MODIFIED SIEGLE'S, PNEUMATIC, AURAL SPECULUM.

CHARLES H. BURNETT, M.D.
JAMA. 1899;XXXII(22):1202-1203. doi:10.1001/jama.1899.92450490003002a.
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ABSTRACT

The modified Siegle pneumatic aural speculum is practically a Gruber speculum made of metal, to which is fitted the glazed lid that transforms it into the Siegle pneumatic speculum. Its extreme length is 5.5 cm., and its diameter at its meatal end is 6 mm. in vertical, by 4 mm. in transverse diameter. This renders it more adaptable to the shape of the meatus. It is nickel-plated both within and without, which gives it a better reflecting surface than possessed by the black-rubber Siegle instrument found in the shops. The two small openings on its inner wall, at the point connecting it with the air-tube, act like a sieve, to prevent the drawing up of particles of cerumen or dirt into the operator's mouth—another advantage over the ordinary Siegle instrument. The attachment for the air-tube is in the long axis, causing a downward curve of the rubber tubing, and preventing

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