Wearable sensing band for pulse transit time computation

A technology of pulse transit time and sensing bands, applied in sensors, pressure sensors, catheters, etc., can solve the problem that blood pressure readings do not receive much attention in the consumer space

Inactive Publication Date: 2017-05-24
MICROSOFT TECH LICENSING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Still, blood pressure readings don't

Method used

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  • Wearable sensing band for pulse transit time computation
  • Wearable sensing band for pulse transit time computation
  • Wearable sensing band for pulse transit time computation

Examples

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Embodiment Construction

[0014] In the following description of wearable sensing embodiments, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration specific forms in which wearable sensing embodiments may be practiced. It is to be understood that other embodiments may be utilized and structural changes may be made without departing from the scope thereof.

[0015] Note also that for the sake of clarity, specific terminology will be employed in describing the wearable sensing embodiments described herein, and that it is not intended to limit these embodiments to the specific terminology so chosen. Further, it is to be understood that each specific term includes all technical equivalents that operate in a broadly similar manner to accomplish a similar purpose. Reference herein to "one embodiment" or "another embodiment" or "exemplary embodiment" or "alternative embodiment" means that a particular feature, a particular structure, or a part...

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Abstract

A wearable sensing band is presented that generally provides a non-intrusive way to measure a person's cardiovascular vital signs including pulse transit time and pulse wave velocity. The band includes a strap with one or more primary electrocardiography (ECG) electrodes which are in contact with a first portion of the user's body, one or more secondary ECG electrodes, and one or more pulse pressure wave arrival (PPWA) sensors. The primary and secondary ECG electrodes detect an ECG signal whenever the secondary ECG electrodes make electrical contact with the second portion of the user's body, and the PPWA sensors sense an arrival of a pulse pressure wave to the first portion of the user's body from the user's heart. The ECG signal and PPWA sensor(s) readings are used to compute at least one of a pulse transit time (PTT) or a pulse wave velocity (PWV) of the user.

Description

Background technique [0001] Heart disease is the leading cause of death in the United States, killing approximately 600,000 people each year (nearly 31% of all reported deaths in the United States). High blood pressure (hypertension) is one of the best understood risk factors for heart disease. High blood pressure is a risk factor for stroke, heart attack, heart failure, aneurysm, and is a leading cause of kidney failure. In the United States alone, hypertension is estimated to directly result in billions in medical costs each year, resulting in nearly 1,000 deaths per day. Hypertension is a major public health problem, and nothing saves more lives than controlling blood pressure. [0002] Unfortunately, high blood pressure has no visible warning signs or symptoms, and many people don't even know they have it. This is especially unfortunate because high blood pressure is treatable: lifestyle changes—particularly diet and exercise—are known to be effective in preventing the ...

Claims

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Application Information

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IPC IPC(8): A61B5/021A61B5/024A61B5/0402A61B5/00A61B5/107A61B5/02
CPCA61B5/02007A61B5/02416A61B5/1079A61B5/681A61B5/02125A61B5/6824A61B5/6829A61B5/318A61B5/6831A61B5/6828A61B5/6823A61B5/0082A61B5/0006A61B5/029A61B5/7246A61B5/0261A61B5/0265A61B5/0044A61B2562/0247A61B2576/023A61B5/282
Inventor D·莫里斯S·T·萨普纳斯D·谭G·R·史密斯N·维拉S·帕特尔
Owner MICROSOFT TECH LICENSING LLC
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