Multifunctional diaphragmatic muscle signal detection duct

A signal detection, multifunctional technology for catheters, diagnostic recording/measurement, medical science, etc.

Active Publication Date: 2009-10-07
广州锐士伯医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This multi-functional diaphragm signal detection catheter has the functions of the traditional four catheters (nasogastric feeding tube, esophageal tube, gastric tube, multi-conductor es...

Method used

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  • Multifunctional diaphragmatic muscle signal detection duct
  • Multifunctional diaphragmatic muscle signal detection duct
  • Multifunctional diaphragmatic muscle signal detection duct

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Embodiment Construction

[0011] The multifunctional diaphragm muscle signal detection catheter of the present invention has four lumens which are not connected to each other and are respectively used for measuring esophageal pressure, gastric pressure, accommodating electrode wires and nasal feeding. An esophageal sac, a grounding electrode, multiple recording electrodes, and a gastric sac are sequentially attached to the surface of the multifunctional diaphragm signal detection catheter, and there is the same small insulating gap between adjacent recording electrodes. There are many large holes at the distal end of the catheter communicating with the large lumen in the catheter for nasal feeding.

[0012] The present invention will be further described below in conjunction with accompanying drawing:

[0013] Such as figure 1 As shown, the multifunctional diaphragm muscle signal detection catheter 18 of the present invention consists of ten needle electrode wire connectors 27 at the proximal end of t...

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Abstract

The invention relates to a multifunctional diaphragmatic muscle signal detection duct which can simultaneously record esophageal pressure, stomach pressure, spanning diaphragmatic muscle pressure, diaphragmatic muscle myoelectric signals and electrocardiosignals and has a nasal feed function. An esophageal pouch and a stomach pouch are attached to the surface of the multifunctional diaphragmatic muscle signal detection duct, the esophageal pouch is communicated with a small lumen for measuring the esophageal pressure through a plurality of small holes to measure the esophageal pressure, and the stomach pouch is communicated with a small lumen for measuring the stomach pressure through a plurality of small holes to measure the stomach pressure; the remote end of the multifunctional diaphragmatic muscle signal detection duct is provided with a plurality of large holes which are communicated with a large lumen used for nasal feed in the multifunctional diaphragmatic muscle signal detection duct to realize the nasal feed function; a grounding electrode and a plurality of sequential recording electrodes are arranged between the esophageal pouch and the stomach pouch and are used for recording diaphragmatic muscle electricity and esophageal electrocardio, a smallest gap exists between the adjacent recording electrodes, and the recording electrodes form six leads to respectively record the diaphragmatic muscle myoelectric signals and the electrocardiosignals. The invention has the functions of the traditional nasal feeding tube, an esophageal pouch tube, a stomach pouch tube and a plurality of esophageal electrode ducts.

Description

technical field [0001] The invention relates to a multi-functional diaphragm signal detection catheter for simultaneous detection of gastric pressure, esophageal pressure, transdiaphragmatic pressure, multi-channel diaphragm electromyographic signal and nasal feeding function. This multi-functional diaphragm signal detection catheter can detect diaphragm function and respiratory center drive while nasal feeding. Background technique [0002] The diaphragm is the main respiratory muscle, and about 70% of the power of normal breathing comes from the diaphragm. The development of respiratory failure is related to the function of diaphragm. Detecting diaphragm function is of great value in finding the cause of respiratory failure and judging the timing of weaning. The main index reflecting the function of the diaphragm is the transdiaphragmatic pressure. By observing the waveform of the transdiaphragmatic pressure, the respiratory status can be accurately judged and the respir...

Claims

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Application Information

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IPC IPC(8): A61B5/00A61B5/03A61B5/0488A61M25/00A61M31/00
Inventor 罗远明
Owner 广州锐士伯医疗科技有限公司
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