The stethometer : an instrument for ascertaining the difference in the mobility of opposite sides of the chest, and thus facilitating diagnosis / by Richard Quain.

  • Richard Quain
Date:
[1850]
Catalogue details

Licence: Public Domain Mark

Credit: The stethometer : an instrument for ascertaining the difference in the mobility of opposite sides of the chest, and thus facilitating diagnosis / by Richard Quain. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    chest, aucl thus will be at once seen any difference which exists in the relative mobility of the two at the point under examination. It will, of course, be absolutely necessary in every examination, such as this, that corresponding parts of the chest be compared. For all useful purposes it may be said, that the move- ments of the opposite sides of the chest, in health, are identical—the difference which exists over the re- gion of the heart, at the left side, is too immaterial to interfere with practical conclusions. The instru- ment may be applied to any part of the chest in the mode here described. In figure 3 it is shown as ap- plied on the sternum, and beneath one of the clavi- cles. The latter position is one of considerable im- portance, from its con- nexion with the deposition of tubercle towards the Fig- a. summit of the lung. I find that on applying the instrument here the cord may, in this instance, be directed towards the arm more conveniently than in any other direction, as shown by the black line, and pressed against a point near the insertion of the del- toid muscle. The cord may also be directed downwards, or outwards, and upwards, or inwards, (as shown by the dotted lines,) and retained on any fixed point. Nor, as is evident, need this point be a part of the body. It may be on the bed, or on a chair, etc., always providing that the direction of the cord be such as to receive the im- pression of the movement of the part of the body under examination, and that its po- sition be symmetrical at both sides. ihe use of the pedestal, which can be fixed in the side of the case with the foot attached, is shown in Figure 4. The instrument
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