ELECTRONIC STETOPHONENDOSCOPE

ELECTRONIC STETOPHONENDOSCOPE

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ANDREEV A.A, LESHCHINSKIJ L.A
Format: Patent
Sprache:eng ; rus
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung: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