Stethoscope

Details Stethoscope Stethoscope

1994-12-01

1996-05-07

Dang, Khanh

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181137, A61B 702

Patent

active

055148409

ABSTRACT:
A chesthead having a pair of acoustic chambers, each of which is provided with a diametrically arranged wall separating the acoustic chamber into two portions. The two portions in each chamber are connected selectively to a pair of sound tubes so that dual sounds from each chamber are fed to the user simultaneously.

REFERENCES:
patent: 3938615 (1976-02-01), Bodenger
patent: 4776426 (1988-10-01), Kazama

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