The core device of the stethoscope mainly includes four parts, namely, pickup, amplification and filtering circuit, processing chip and Bluetooth module. The main function of the pickup is to collect auscultation sounds. The amplifying and filtering device is a "sound box" to amplify auscultation sound. The processing chip is used to reduce the interference of noise and ensure the ideal sound data.
finally, the bluetooth module transmits the sound signal to the computer for storage. The auscultation sound data collected by Bluetooth stethoscope can be transmitted to the computer, and can also be connected to the hospital's HIS system to match the patient's medical records. Extended data
When auscultating the heart, the membrane-type listening head can listen to high-frequency sounds well, and the cup-type listening head is suitable for listening to low-frequency sounds or murmurs. Modern stethoscopes are all double-sided stethoscopes. There are both membrane stethoscopes and cup stethoscopes on the stethoscope head, and the two can only be rotated by 18. Clinicians use double-sided stethoscopes.
There is another patented technology, called floating membrane technology. In a special way, the membrane auscultation head can be changed into a cup-shaped listening head to listen to low-frequency noises. Normal and abnormal lung sounds belong to high-frequency sounds, and only the membrane listening head can be used for lung auscultation.
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