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Methods and devices for calculating blood pressure based on measurements of arterial blood flow and arterial lumen

A blood flow and blood pressure technology, applied in blood flow measurement devices, blood flow measurement, blood pressure measurement devices, etc., can solve problems such as changes in blood pressure of patients

Active Publication Date: 2018-10-23
QUALCOMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Furthermore, traditional methods based on inflatable cuffs and measurements performed in a clinical setting may have a strong psychological effect on changes in patient blood pressure

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  • Methods and devices for calculating blood pressure based on measurements of arterial blood flow and arterial lumen
  • Methods and devices for calculating blood pressure based on measurements of arterial blood flow and arterial lumen
  • Methods and devices for calculating blood pressure based on measurements of arterial blood flow and arterial lumen

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Embodiment Construction

[0065] Various embodiments will now be described in detail with reference to the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. References made to specific examples and implementations are for purposes of illustration only and are not intended to limit the scope of the invention.

[0066] The following description is directed to specific implementations for the purpose of describing the innovative aspects of the present disclosure. However, those of ordinary skill in the art should readily recognize that the teachings herein can be applied in a wide variety of different ways. The described embodiments may be implemented in any device, apparatus or system including a sensor system. Furthermore, it is contemplated that the described implementations may be included in or associated with a wide variety of electronic devices such as, but not limited to, mobile phones, multimedia Interne...

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Abstract

A system for calculating blood pressure may include a sensor system and a control system. The control system may be capable of controlling one or more sensors of the sensor system to take at least twomeasurements, the at least two measurements including at least one measurement taken at each of two or more different measurement elevations of a subject's limb. In some examples, the control systemmay be capable of determining a blood flow difference based on the at least two measurements, of determining a hydrostatic pressure difference based on the two or more different elevations of the at least two measurements and of estimating a blood pressure based on one or more values of blood flow, the hydrostatic pressure difference and the blood flow difference.

Description

[0001] priority [0002] This application claims the benefit of U.S. Provisional Patent Application No. 62 / 294,876, filed February 12, 2016, entitled "METHODS AND DEVICES FORCALCULATING BLOOD PRESSURE BASED ON MEASUREMENTS OF ARTERIAL BLOOD FLOW ANDARTERIAL LUMEN," and filed on June 17, 2016 Priority to U.S. Provisional Patent Application No. 15 / 186,228, entitled "METHODS AND DEVICES FOR CALCULATING BLOOD PRESSURE BASED ON MEASUREMENTSOF ARTERIAL BLOOD FLOW AND ARTERIAL LUMEN," filed on 11 May 2009, both of which are hereby incorporated by reference. technical field [0003] The present disclosure relates to medical devices, including but not limited to personal medical devices such as wearable medical devices. Background technique [0004] Devices for measuring cardiovascular properties generally suffer from the problem that the measurement itself seriously interferes with the state of the subject, leading to erroneous results. For example, current cuff-based methods for o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/021
CPCA61B8/0883A61B8/0891A61B8/4227A61B8/4411A61B8/4427A61B8/5223A61B8/56A61B2560/0261A61B5/021A61B8/04A61B8/4281A61B8/488G16H50/30A61B8/06A61B5/0261A61B5/0004A61B5/0022A61B5/681A61B5/7282A61B8/02A61B5/026A61B5/002A61B2560/0475A61B8/4483A61B8/461A61B8/54
Inventor L·拉丁D·B·贝克
Owner QUALCOMM INC
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