Acoustical amplifying stethoscope

Details Acoustical amplifying stethoscope Acoustical amplifying stethoscope

1988-03-23

1990-02-27

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181137, 181160, A61B 702, H04R 2500

Patent

active

049037943

ABSTRACT:
A stethoscope for auscultating sounds from a subject, the stethoscope including a housing, a curvilinear convex diaphragm supported on the housing for interfacing with the site being auscultated and for receiving sounds therefrom, an enclosed acoustic chamber supporting on the housing and communicating with the curvilinear convex diaphragm for enhancing the fidelity of the received sounds, and means for transmitting the enhanced received sounds to the user, which can be a dual lumen wave guide to binaurals or a single lumen wave guide to one aural tube. With such an arrangement, the user is capable of taking vital signs through clothing, bandages, blankets are other obstructions, even in the presence of high ambient noise, and can auscultate low frequency sounds associated with heart sounds and bowel sounds with significantly improved clarity and volume.

REFERENCES:
patent: 705934 (1902-07-01), Knudson et al.
patent: 1350767 (1920-08-01), Aschburner
patent: 1445711 (1923-02-01), Rayder
patent: 1657078 (1928-01-01), Frederick et al.
patent: 3020971 (1962-02-01), Cefaly
patent: 4270627 (1981-06-01), Hill

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