Stethoscope head with removable bells

Details Stethoscope head with removable bells Stethoscope head with removable bells

1997-10-31

2000-01-18

Dang, Khanh

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181137, A61B 702

Patent

active

060150246

ABSTRACT:
A stethoscope head with multiple removable diaphragm structures and bell components for adapting the stethoscope for use with infants or adults, or on sites having less skin area, such as between the ribs is described. The bell components further include a wider rim than a conventional rim for better acoustically sealing the rim to the skin of the patient's body above the site to be auscultated. Further, the bell component is metallic providing for better sound conductivity than a non-metallic bell component. A non-metallic ring is disposed on the rim to better acoustically seal the rim with the skin of the patient's body and further, provide comfort to the patient since the non-metallic ring is not as cold as the metallic rim. The bell component includes a thick body to exclude external noises from interfering with the sound to be auscultated.

REFERENCES:
patent: D401337 (1998-11-01), Rashman
patent: 965174 (1910-07-01), Fuchs
patent: 3215224 (1965-11-01), Machlup
patent: 4502562 (1985-03-01), Nelson
patent: 4823906 (1989-04-01), Bagriel
patent: 5498841 (1996-03-01), Allen
patent: 5512840 (1996-05-01), Selinger

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