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Atrial fibrillation detector and intelligent wearable device having same

A detection device and technology for atrial fibrillation, applied in the medical field, can solve the problems of little significance in primary screening of potential patients with atrial fibrillation and high misjudgment rate of atrial fibrillation, so as to facilitate detection of atrial fibrillation, reduce misdiagnosis rate and misjudgment rate, and improve Effect of AF Detection Rate

Active Publication Date: 2016-08-31
GUANGDONG TRANSTEK MEDICAL ELECTRONICS CO LTD
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AI Technical Summary

Problems solved by technology

Although this detection method is convenient, it cannot be used for long-term monitoring of PPG (photoplethysmography) signals because the smartphone also supports other functions, and the misjudgment rate of atrial fibrillation detection is high, which is of significance for the initial screening of potential patients with atrial fibrillation not big

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  • Atrial fibrillation detector and intelligent wearable device having same
  • Atrial fibrillation detector and intelligent wearable device having same

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Embodiment Construction

[0020] Such as figure 1 Shown is a schematic structural block diagram of an atrial fibrillation detection device 100 according to an embodiment of the present invention. The device 100 mainly includes: an acquisition module 102 , a grouping module 104 , a calculation module 106 , and a comparison module 108 . In other embodiments, it may also optionally include: an activity detection module 110 , a timing module 112 , and / or a reminder module 114 .

[0021] The collection module 102 can include various forms, as long as it can be used to collect the user's pulse signal sequence, all are applicable, such as a device for collecting pulse by oscillometric method. But preferably, in one embodiment, the collection module 102 includes photoelectric sensors and LEDs, collects user photoplethysmography signals based on the principle of photoplethysmography, that is, PPG signals; then, analyzes each pulse in the PPG signals, And extract and record the time interval between pulses. Th...

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Abstract

The invention discloses an atrial fibrillation detector comprising the following elements: an acquisition module used for collecting a pulse signal sequence and recording pulse time intervals; a grouping module used for ranking the recorded pulse time intervals from small to big, and dividing into groups of a preset number; a calculation module used for calculating a pulse time interval deviation value; a comparison module used for comparing repeatedly collected and calculated pulse time interval deviation value of the preset number with a preset threshold value, determining whether the calculated deviation value is bigger than or equal to the preset threshold value, thus determining whether atrial fibrillation exists or not. The atrial fibrillation detector and an intelligent wearable device having same can improve atrial fibrillation discovery rate, so people can self-operate under non-medical conditions, thus carrying out atrial fibrillation detection.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to an atrial fibrillation detection device and an intelligent wearable device including the device. Background technique [0002] Atrial fibrillation, referred to as atrial fibrillation, is one of the most common arrhythmias, and the incidence of atrial fibrillation increases with age. In atrial fibrillation, the heartbeat frequency is not only much faster than the normal heartbeat, but also absolutely irregular, and the atrium loses effective contraction function. Atrial fibrillation is prone to complications such as cerebral infarction, thromboembolism, cardiac insufficiency, and sudden cardiac death, among which 20% of stroke events are related to atrial fibrillation. AF increases the risk of arterial thromboembolism and ischemic stroke fivefold. Therefore, if atrial fibrillation is detected and treated in time, the incidence of complications can be greatly reduced. [0003] ...

Claims

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Application Information

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IPC IPC(8): A61B5/046A61B5/02A61B5/11A61B5/00A61B5/361
CPCA61B5/0059A61B5/02A61B5/1118A61B5/681A61B5/746A61B5/361
Inventor 林昔谦肖朝亮
Owner GUANGDONG TRANSTEK MEDICAL ELECTRONICS CO LTD
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