ELECTRONIC STETOPHONENDOSCOPE Russian patent published in 2003 - IPC

Abstract RU 2196512 C2

FIELD: medical engineering. SUBSTANCE: device has cardiomicrophone transducer, electronic amplifier with elements for shaping frequency response. Electrodynamic telephones are mounted in phonendoscope arc bodies at their ends and covered with perforated sealed covers having hollow inserts mounted on them. Distance between the cover and telephone membrane is equal to 5 to 10 maximum membrane displacement. EFFECT: broad dynamic range of reproducible sounds; high accuracy of diagnosis. 1 dwg

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RU 2 196 512 C2

Authors

Andreev A.A.

Leshchinskij L.A.

Dates

2003-01-20—Published

2000-01-06—Filed