Percussor stethoscope / by B. Wills Richardson.

  • Richardson, Benjamin Wills.
Date:
[cbetween 1800 and 1899?]
Catalogue details

Licence: Public Domain Mark

Credit: Percussor stethoscope / by B. Wills Richardson. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    AriT. X.—Percussor Stethoscope. By B. Wills Richardson, F. R. C. S. 1. I[n the twenty-sixth volume of the Dublin Medical Press, 11851, page 382, I described a form of stethoscope which ad- mitted of being used as a substitute for Dr. Winterich's copper Hammer. I considered that an instrument combining both .he stethoscope and percussor in one, might be received with avour*. The description was not accompanied by an illustration; 3ut as this form of instrument was subsequently approved of i,nd adopted by some of our most practised stethoscopists, I lave been induced to publish the annexed drawing of it. The ear-piece, I am now of opinion, should be made of 'vory, from aboiit two-eighths to three-eighths of an inch thick, ^nto its outer edge a small nipple of the same material, and irailar in form and size to Fig. 2, should be screwed and pro- )erly cemented. A piece of vulcanized Indian-rubber, of ibout an eighth of an inch in thickness, and of the same dia- neter as that of the percussing end of the nipple, should next )e glued to this end, and then another piece be drawn tightly )ver the nipple, and tied securely round its neck. Fig. 1 hows the instrument complete. Some makers, instead of the nipple, have substituted that )art of Dr. Winterich's hammer which contains the Indian- •ubber; but I prefer the former, as it may be used with either he pleximeter or naked finger. It is almost superfluous to say, that the stethoscope should » .Sir Henry Marsh was the first to introduce a stethoscope with this comhination. lis instrument consists of an car-piece grooved on its outer edge, into which there is iserted a solid vulcanized India-rubber ring; the shank is made of wood.