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Wearable device, system and method

A wearable device, user technology, used in medical science, diagnosis, diagnostic recording/measurement, etc., can solve problems such as increased signal-to-noise ratio

Inactive Publication Date: 2019-05-24
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One reason companies with PPG-based heart rate monitors advise their customers to wrap their wearables very tightly around the arm is because: at higher pressures, the pulsating blood volume changes of arterial blood relative to other blood volume changes ( For example, in veins and venules) becomes stronger and thus the signal-to-noise ratio increases

Method used

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  • Wearable device, system and method
  • Wearable device, system and method
  • Wearable device, system and method

Examples

Experimental program
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Embodiment Construction

[0071] figure 1 A first embodiment of a wearable device according to an aspect of the present disclosure is schematically shown. The wearable device is indicated in its entirety by the reference numeral 10 . In the given non-limiting example, the wearable device 10 is implemented in the form of a wristwatch or activity tracker comprising a housing 11 and a fixation element 12 . Said housing of the wearable device 10 can comprise a battery, electronics, a communication interface eg for communicating with a smartphone, and an optional output unit 13 eg in the form of a display or speaker.

[0072] The wearable device 10 is adapted to be worn by a user 100 . The wearable device 10 comprises a securing element 12 for securing the wearable device 10 to a user 100; and an underside 15 for contacting the user's skin when worn.

[0073] Using photoplethysmography (PPG), bioimpedance or capacitive techniques, contact sensors adapted to contact the skin of the user 100 and adapted to...

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PUM

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Abstract

The present disclosure relates to the fields of medical technology as well as fitness and activity trackers. To provide improved wearing comfort, in particular by reducing skin irritation, a wearabledevice (10) adapted to be worn by a user (100) is presented. The wearable device comprises a fixation element (12) for fixing the wearable device to the user; a lower side (15) for contacting a skin (101) of the user when worn; and a processing unit (20) adapted to determine a sweat level measure (32) indicative of an amount of sweat accumulated between the lower side (15) of the wearable device and the skin (101) of the user and indicative of an exposure to sweat over time; and to determine a moment in time for ventilating said lower side of the wearable device based on a said sweat level measure (32). The present disclosure further relates to a corresponding system and method.

Description

technical field [0001] The invention relates to the fields of wearable devices such as fitness and activity trackers and medical technology. In particular, the present invention relates to a wearable device adapted to be worn by a user, the wearable device comprising a securing element for securing the wearable device to the user and a means for contacting the user's skin when worn. underside. The invention also relates to a method and a corresponding computer program. Background technique [0002] A person's vital signs, such as heart rate (HR), respiration rate (RR) or arterial oxygen saturation (SpO2), serve as indicators of a person's current state of health or fitness and serve as strong predictors of serious medical events . For this reason, vital signs are widely monitored in inpatient and outpatient care settings, in the home, or in other health, leisure and fitness settings. [0003] In recent years, wearable devices such as activity trackers, sports watches, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/053
CPCA61B5/6844A61B5/0533A61B5/4266A61B5/681A61B5/02055A61B5/02427A61B5/0531A61B5/1118
Inventor L·J·辉基布雷格茨A·希尔格斯R·M·阿尔特斯
Owner KONINKLJIJKE PHILIPS NV
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