Sound insulation and noise reduction stethoscope for cardiology department detection

The stethoscope comprises a pair of metal frames and conduction pipes connected to the bottoms of the metal frames, the tail ends of the conduction pipes are connected with sound pickup heads, the ends of the metal frames are integrally connected with ear clips, the ear clips are sleeved with earmuf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LI HUI, WANG XUAN, PAN LI, GU XUELIAN, ZHANG DONG, DING YINGJUN, ZHANG YANHUI, SI QIUJU, CHANG YI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The stethoscope comprises a pair of metal frames and conduction pipes connected to the bottoms of the metal frames, the tail ends of the conduction pipes are connected with sound pickup heads, the ends of the metal frames are integrally connected with ear clips, the ear clips are sleeved with earmuffs, and an elastic band is connected between the earmuffs; a hearing drum is fixedly installed in the pickup head, a cushion cover is connected around the hearing drum in a sleeved mode, a first spring is arranged between the upper surface of the cushion cover and the inner wall of the pickup head, the cushion cover protrudes out of the hearing drum under the bounce effect of the first spring without external force, a handle is connected to the upper surface of the pickup head, and a pressing rod is connected to the handle in a pin mode. In order to insulate sound and reduce noise, the earmuffs are arranged on the stethoscope, the earmuffs are made of soft materials and can be attached to the peripheries of the aur