Multiple channel stethoscope

Details Multiple channel stethoscope Multiple channel stethoscope

1990-04-23

1991-03-05

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181137, A61B 702

Patent

active

049970550

ABSTRACT:
The present invention is a stethoscope which provides the user with continuous access to physiologic sounds. The stethoscope consists of multiple, lightweight, disposable sound receiving sensors and shutoff valves which allow selective auscultation of specific sites without patient disturbance. In addition, depending upon the positions of the shutoff valves, the stethoscope may enhance sound conduction by producing constructive interference of sound waves. A means of attaching the sound receiving sensors to the skin is also described. Because the sound receiving sensors are disposable, the risk of infection due to cross-examination is minimized. Therefore, this invention is safer than known stethoscopes.

REFERENCES:
patent: 1847607 (1932-03-01), Hardt
patent: 1853951 (1932-04-01), Zala
patent: 2209164 (1940-07-01), Kerr
patent: 2722989 (1955-11-01), Tynan
patent: 3124211 (1964-03-01), Cefaly
patent: 3144091 (1964-08-01), Bodenger
patent: 4401125 (1983-08-01), Taylor et al.
patent: 4706777 (1987-11-01), Baumberg

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