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Vital signs monitoring device and monitoring method based on dfb fiber laser sensing technology

A technology of fiber laser and vital signs, applied in the fields of sensors, diagnostic recording/measurement, medical science, etc., which can solve the problems of expensive coherent light source, complex signal processing technology, and high cost

Active Publication Date: 2022-02-25
JIANGXI YIKANG MEDICAL INSTR GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Fiber Bragg grating sensor (such as L. Dziuda et al , "Monitoring Respiration and CardiacActivity Using Fiber Bragg Grating-Based Sensor," in IEEE Transactions on Biomedical Engineering, vol. 59, no. 7, pp. 1934-1942, July 2012.), optical fiber The wavelength detection technology of the grating sensor is complicated, the cost is high, and the sensitivity of measuring body temperature and body movement is poor; IEEE Transactions on Biomedical Engineering , vol. 59, no. 10, pp. 2922-2929, Oct.2012.), although optical interferometry has high efficiency and high precision, it is very expensive to obtain a coherent light source, and the signal processing technology is also very complicated; Bend optical fiber sensors (such as US20130109931A1, CN102573615B) have simple systems and low cost, and have obvious advantages in detecting basic vital signs (heart rate, respiration, body movement) of the human body, but the sensitivity of microbent optical fiber sensors is relatively insufficient

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  • Vital signs monitoring device and monitoring method based on dfb fiber laser sensing technology
  • Vital signs monitoring device and monitoring method based on dfb fiber laser sensing technology
  • Vital signs monitoring device and monitoring method based on dfb fiber laser sensing technology

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Embodiment 1

[0042] The embodiment of the vital signs monitoring device based on DFB fiber laser sensing technology of the present invention, figure 1 A structural block diagram of a monitoring device based on DFB fiber laser sensing technology provided by an embodiment of the present invention is given. Depend on figure 1 It can be seen that the DFB fiber laser sensor monitoring device includes a DFB fiber laser sensor module 101 , a detection and identification module 102 , a monitoring algorithm module 103 and a display notification module 104 .

[0043] The output end of the DFB fiber optic laser sensor module 101 is connected to the input end of the detection and identification module 102, the output end of the detection identification module 102 is connected to the input end of the monitoring algorithm module 103, and the output end of the monitoring algorithm module 103 is connected to the input end of the display notification module 104;

[0044] The DFB fiber laser sensor modul...

Embodiment 2

[0047] Embodiment of the monitoring method of the vital signs monitoring device based on DFB fiber laser sensing technology of the present invention;

[0048] The DFB fiber optic laser sensor module 101 transmits the collected basic vital sign signals of the monitored object 301 to the detection and identification module 102 for biometric identification, and completes the identification and guardianship requirements of the monitored object 301;

[0049] The monitoring algorithm module 103 automatically analyzes the signal to determine the health status of the monitoring object 301; the processed and diagnosed information is displayed to the user terminal in real time by the display notification module 104, and corresponding prompts are made;

[0050] The pump laser is transmitted to the WDM coupler 202 through the single-mode fiber 204, and the WDM coupler 202 transmits the pump laser to the DFB grating 203;

[0051] The pump light source 201 is used to generate pump laser lig...

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PUM

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Abstract

The present invention relates to the technical field of optical fiber sensing, in particular to an on-line monitoring device for basic vital sign parameters of the human body based on DFB optical fiber laser sensing technology; the monitoring device includes a DFB optical fiber laser sensor module, a detection and identification module, a monitoring algorithm module and a display notification Module; the output end of the DFB fiber laser sensor module is connected to the input end of the detection and identification module, the output end of the detection and identification module is connected to the input end of the monitoring algorithm module, and the output end of the monitoring algorithm module is connected to the input end of the display notification module; DFB fiber laser sensor The module and the display notification module are connected with the monitoring object. The scheme is simple and easy to implement, and the cost is economical. In terms of monitoring basic vital sign parameters (heart rate, respiration, and body movement) of the human body, it is a vital sign monitoring device and method with extremely high sensitivity and stability.

Description

technical field [0001] The invention relates to the technical field of optical fiber sensing, in particular to an on-line monitoring device for basic vital sign parameters of a human body based on DFB (Distributed FeedBack) optical fiber laser sensing technology. Background technique [0002] According to the statistics of the World Health Organization (WHO), cardiovascular and cerebrovascular diseases rank first among various causes of death, and are truly the number one killer of human health. Nowadays, the technology of using fiber optic sensors to monitor the basic vital signs parameters (heart rate, respiration, body temperature, body movement) of the human body is developing rapidly, which is of great significance for the monitoring, prevention, diagnosis and treatment of cardiovascular diseases. [0003] Fiber Bragg grating sensor (such as L. Dziuda et al , "Monitoring Respiration and CardiacActivity Using Fiber Bragg Grating-Based Sensor," in IEEE Transactions on Bio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/0205A61B5/11
CPCA61B5/0205A61B5/1116
Inventor 余海波
Owner JIANGXI YIKANG MEDICAL INSTR GROUP