Intelligent stethoscope

Abstract

The invention discloses an intelligent stethoscope. The intelligent stethoscope comprises a handle end. The handle end internally comprises an audio converter, a DSP chip, an amplifier and a Bluetoothtransmitter which are sequentially connected. An analog-to-digital conversion module, an adjustable filtering frequency band module and an audio processing module are constructed on the DSP chip. Theinput end of the analog-to-digital conversion module is connected to the output end of the audio converter. The audio processing module selects a corresponding frequency band from the adjustable filtering frequency band module to filter the output of the analog-to-digital conversion module according to an external instruction and outputs the filtered output to the amplifier. According to the intelligent stethoscope, the DSP chip is used to replace an analog circuit and can compile audio signal data flow, the selectivity and signal-to-noise ratio of audio signals are further improved through techniques such as noise reduction, filtering, phase overlapping, and separation in a programmable and presetting mode, users can use the intelligent stethoscope to listen more clearly, weak signals ofa suspected case cannot be lost, the listening feeling is obviously better than that of traditional stethoscopes, and the volume is adjustable.

Description

technical field [0001] The invention belongs to the field of medical instruments and relates to a stethoscope. Background technique [0002] At present, the stethoscope used clinically is all made up of chest piece, catheter and earplug. The use of a catheter to connect the chest and earplugs has the following defects: 1) Too long or too short a catheter will cause inconvenience to carrying, storage, and use; 2) With the prolongation of use time, the catheter will gradually age and harden, affecting subjective use experience and Objective auscultation effect; 3) When the catheter is cleaned, wiped and disinfected, it is not resistant to chemical substances and is prone to aging and deformation. In addition, the traditional stethoscope non-selectively transmits the required auscultation sound and noise to the earplugs, causing interference, and when any part of the chest piece, catheter and earplugs is damaged, the entire stethoscope will be unusable. Form a waste of resour...

AI Technical Summary

Problems solved by technology

The use of a catheter to connect the chest and earplugs has the following defects: 1) Too long or too short a catheter will cause inconvenience to carrying, storage, and use; 2) With the prolongation of use time, the catheter will gradually age and harden, affecting subjective use experience and Objective auscultation effect; 3) When the catheter is cleaned, wiped and disinfected, it is not resistant to chemical substances and is prone to aging and deformation

In addition, the traditional stethoscope non-selectively transmits the required auscultation sound and noise to the earplugs, causing interference, and when any part of the chest piece, catheter and earplugs is damaged, the entire stethoscope will be unusable. waste of resources

Images