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A non-fixed wristband pulse collection system and collection method

An acquisition system and non-fixed technology, applied in the field of mobile medical, can solve the problems of large interference, inconvenient pulse detection, and inability to detect pulse signals, etc.

Active Publication Date: 2017-02-01
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the pulse signal acquisition equipment is based on the principle of pressure and photoplethysmography, and these two methods require the device to be in close contact with the pulse acquisition part of the human body (contact type), and the interference of the human body movement is particularly large, making it impossible to detect The pulse signal of the measured object in a non-stationary state; this limitation greatly limits its application in mobile medical
[0003] To solve the problem of pulse signal acquisition in portable and arbitrary states of the measured object (including static or arbitrary motion state), the pulse collection system must be able to overcome the motion interference of the measured object, while the traditional devices based on piezoelectric and photoplethysmography Neither can solve the problem; at the same time, traditional devices based on piezoelectric and photoplethysmography must be closely attached to the detection part of the measured object, that is, they are all fixed contact detection devices, so it brings great inconvenience to pulse detection. At present, there is no non-contact, non-fixed, portable pulse signal acquisition system and acquisition method that can overcome the motion interference of the measured object.

Method used

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  • A non-fixed wristband pulse collection system and collection method
  • A non-fixed wristband pulse collection system and collection method
  • A non-fixed wristband pulse collection system and collection method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105] The optical sampling bracelet is not encrypted, that is, the position distribution of the optical fiber port on the inner side of the bracelet is exactly the same as the position distribution of the photosensitive unit in the photosensitive array, as shown in Figure 6-2 As shown; the light-emitting circuit emits white light and a certain amount of infrared light at the same time; the photosensitive array adopts CCD photosensitive element; the signal processing module adopts a micro DSP module; the wireless communication module chooses a Bluetooth module; the smart terminal chooses a smartphone; Closed ring shape; there is a layer of transparent glass on the inner side of the light sampling bracelet to prevent direct contact between the fiber port and the skin.

[0106] The sampling frequency of the light sampling bracelet is set to 100Hz, that is, the light sampling bracelet sends 100 frames of light data distribution corresponding to the reflected light of the wrist sk...

Embodiment 2

[0126] The light sampling bracelet adopts physical encryption, that is, the relative coordinate positions of the two ports of the same optical fiber in the photosensitive array correspond randomly to the relative coordinate positions on the inner side of the light sampling bracelet (such as Figure 6-1 shown); the light-emitting circuit emits white light and a certain amount of infrared light at the same time; the photosensitive array adopts CCD photosensitive element; the signal processing module adopts a micro DSP module; the wireless communication module chooses a Bluetooth module; the smart terminal chooses a smart phone; light sampling bracelet It is in the shape of a closed ring; there is a layer of transparent glass on the inner side of the light sampling bracelet to prevent direct contact between the fiber port and the skin.

[0127] The sampling frequency of the light-sampling bracelet is set to 100Hz, that is, the light-sampling bracelet sends 100 frames of light-refle...

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Abstract

The invention provides a non-fixation wristband type pulse collecting system and method. The collecting system comprises an optical sampling wristband and an intelligent terminal, the optical sampling wristband is worn by a tested object and does not need to be tightly attached to the skin of the wrist of the tested object, light emitted by the inner side face of the optical sampling wristband is reflected by the skin, then received by the inner side face of the optical sampling wristband and converted into optical data corresponding to the reflected light of the skin of the wrist to be recorded, the wristband transmits the optical data corresponding to the reflected light of the skin of the wrist to the intelligent terminal to be analyzed and processed, and the intelligent terminal utilizes the optical data corresponding to the reflected light of the skin of the wrist within a continuous period, so that real-time pulse signals of the tested object are obtained. The wristband and the intelligent terminal can be carried about, according to the system, pulses are sampled through optical signals, the pulse signals can still be obtained in the moving process of the tested object, and therefore the system has good portability and real-time performance. In addition, the system can encrypt the optical data and is good in safety because only the specific intelligent terminal can obtain the pulse signals of the tested object.

Description

technical field [0001] The invention relates to the field of mobile medical care, in particular to a non-fixed bracelet-type pulse collection system and a collection method. Background technique [0002] With the advancement of modern medical methods and the rapid development of mobile medical care, portable physiological signal acquisition equipment has become a research hotspot, and among them, the pulse signal with rich physiological information has undoubtedly become the focus of attention. At present, most of the pulse signal acquisition equipment is based on the principle of pressure and photoplethysmography, and these two methods require the device to be in close contact with the pulse acquisition part of the human body (contact type), and the interference of the human body movement is particularly large, making it impossible to detect The pulse signal of the measured object in a non-stationary state; this limitation greatly limits its application in mobile medicine. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/02
CPCA61B5/0071A61B5/02
Inventor 孟濬张燃刘琼
Owner ZHEJIANG UNIV
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