Angularly related dual stethoscope head

Details Angularly related dual stethoscope head Angularly related dual stethoscope head

1978-03-13

1980-07-15

Gonzales, John

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181137, A61B 702, H04R 2500

Patent

active

042123682

ABSTRACT:
A stethoscope head having a bell and a diaphragm. The bell is offset from the diaphragm axis. The bell axis intersects the diaphragm axis at an acute angle of not less than twenty degrees or more than seventy degrees, and preferably at thirty degrees. A selectively movable valve is provided to connect the bell and the diaphragm, individually, to an airway which may be connected to a sound tube leading to binaurals. The valve comprises a cylindrical spool seated and totally supported within a cylindrical bore in the head body.

REFERENCES:
patent: 3124211 (1964-03-01), Cefaly
patent: 3630308 (1971-12-01), Ravin
patent: 3767003 (1973-10-01), Shacklock

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