Respiration monitoring method based on wireless link information

A technology of wireless link and breathing monitoring, which is applied in the fields of health monitoring, patient and elderly monitoring, wireless communication and wireless network, and can solve the problems of difficult use for babies and inconvenient installation, and achieves the advantages of convenient disassembly, measurement and low cost Effect

Inactive Publication Date: 2013-09-25
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The monitoring result of this type of technology is more accurate, but it needs to install a breathing tube to the nose of the person, which is inconvenient to install and difficult for babies to use

Method used

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  • Respiration monitoring method based on wireless link information
  • Respiration monitoring method based on wireless link information
  • Respiration monitoring method based on wireless link information

Examples

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Embodiment

[0019] Example: attached figure 1 It is a block diagram of the system structure of the present invention. The system has 10 wireless scanning nodes J1,...J10. The wireless scanning node and the wireless convergence node 1 are all based on the CC2520 chip design of Texas Instruments, which meets the Zigbee industry standard and works in the 2.45GHz frequency band. Battery powered, tripod support, adjustable in height from 0.3m to 1.5m. The 10 wireless scanning nodes are placed on the four sides of the bed 3 for carrying the human body, with an interval of 0.6 m, and the placement height is slightly higher than the bed 3 by 13 cm to ensure that the wireless signal passes through the human body as much as possible. The wireless convergence node 1 and the general PC 2 are placed 3m away from the bed. The wireless convergence node 1 collects all wireless link measurement information and sends it to the general PC 2. The respiratory frequency estimation algorithm running on the gener...

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Abstract

The invention provides a respiration monitoring method based on wireless link information, belongs to the fields of health monitoring, patient and the old caring, wireless communication and wireless networks and relates to non-contact respiration monitoring method based on the wireless link information. The respiration monitoring method comprises the steps of utilizing multiple wireless links formed by multiple wireless scanning nodes and distributed on the periphery of a bed, monitoring periodic influence of human body respiration to the signal strength of the multiple wireless links to estimate a change cycle of the signal strength of the wireless links and then estimating respiratory rate of a human body. A system adopted by the respiration monitoring method consists of N wireless scanning nodes, wireless convergence nodes, a universal personal computer (PC), a respiratory rate monitoring method and the bed for bearing a human body. The respiration monitoring method adopts non-contact monitoring, does not need any facility installed on a monitored human body, enables the monitoring system to be humanized and is suitable for monitoring of infants and postoperative patients, and a non-contact monitoring technology has wide application prospect.

Description

Technical field [0001] The invention belongs to the fields of health monitoring, patient and elderly monitoring, wireless communication and wireless network, and relates to a non-contact breathing monitoring method based on wireless link information. Background technique [0002] Respiratory rate monitoring has very important application value in people's daily life. A significant feature of many critically ill patients when their lives are critically ill is the large fluctuations in respiratory frequency. Therefore, hospitals need to monitor critically ill patients to effectively monitor the occurrence of emergencies. Obstructive sleep apnea syndrome is a common chronic disease with high incidence and greater harm. The use of monitoring equipment to reliably monitor the patient's respiratory rate is of great significance in the clinical prevention and treatment of the disease. Breathing difficulty caused by infants turning over is an important factor that puts infants at risk. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/08G08C17/02
Inventor 王洁高庆华王洪玉孙立奎吴力飞
Owner DALIAN UNIV OF TECH
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