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Bowel sound acquisition system and acquisition method based on multi-channel electronic stethoscope

An electronic stethoscope and acquisition system technology, applied in stethoscope, auscultation instruments, diagnosis and other directions, can solve problems such as low auscultation efficiency, achieve high-quality bowel sound signal acquisition, and reduce environmental noise.

Inactive Publication Date: 2018-09-28
HARBIN INST OF TECH
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, a single channel can only auscultate bowel sounds in one part, and the efficiency of auscultation is low

Method used

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  • Bowel sound acquisition system and acquisition method based on multi-channel electronic stethoscope
  • Bowel sound acquisition system and acquisition method based on multi-channel electronic stethoscope
  • Bowel sound acquisition system and acquisition method based on multi-channel electronic stethoscope

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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0023] see Figure 1-5 Describe this embodiment, a kind of bowel sound collection system based on multi-channel electronic stethoscope, it comprises electronic stethoscope and special-made abdominal belt 7, and the number of described electronic stethoscopes is N and N is the integer greater than 1, and N electronic stethoscopes are composed The channel of the stethoscope is fixed on the special abdominal belt 7, and is arranged according to the topological structure to form a multi-channel electronic stethoscope bowel sound collection system. Air pump 5 and deflation valve 6, the pressurized air bag 2 is fixed on the back of the electronic stethoscope head 1, the isolation device 3 is fixed on the front of the electronic stethoscope head 1, and the two ends of the rubber tube 4...

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Abstract

The invention provides a bowel sound acquisition system and acquisition method based on a multi-channel electronic stethoscope, belongs to the technical field of bowel sound auscultation signal processing, and particularly relates to a bowel sound acquisition system and acquisition method based on an electronic stethoscope. The acquisition system and the acquisition method provided by the invention solve the problems that in a bowel sound signal acquisition process, the static electricity of the human body and the friction sound of the skin cause interference to the bowel sound, the effect ofthe bowel sound acquired by a suspended stethoscope head is not ideal, artifacts generated by abdominal exercise of a patient interfere with the bowel sound signal, and the auscultation efficiency ofa single auscultation channel is low. The acquisition system comprises an electronic stethoscope head, a pressurization airbag, an isolation device, a hose, an air pump, an air release valve and a tailor-made belly band. The acquisition system and the acquisition method are mainly used for acquiring the bowel sound signal.

Description

technical field [0001] The invention belongs to the technical field of bowel sounds auscultation signal processing, in particular to a system and method for collecting bowel sounds based on a multi-channel electronic stethoscope. Background technique [0002] Bowel sounds are intermittent rumbling and grunting sounds produced by the friction between intestinal contents and intestinal contents during intestinal peristalsis. The human body produces bowel sounds with different characteristics under different physiological states. Auscultation of bowel sounds is the main means of clinical diagnosis of intestinal diseases. Manual auscultation has the disadvantages of strong subjectivity, time-consuming, and easy misdiagnosis. Electronic auscultation equipment has become the main product to replace manual auscultation because of its advantages of short time consumption and no location restrictions. However, the existing electronic auscultation equipment for bowel sounds has the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B7/00A61B7/04
CPCA61B7/00A61B7/04
Inventor 毛兴鹏李欢耿钧邓维波
Owner HARBIN INST OF TECH
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