WRIST-WORN PULSE TRANSIT TIME SENSOR AND METHOD OF USING THE SAME

WRIST-WORN PULSE TRANSIT TIME SENSOR AND METHOD OF USING THE SAME

A wrist-worn device heart-monitoring device is presented. The wrist-worn heart-monitoring device includes a radial tonometer configured to output a pressure signal indicating a pulse pressure wave at a user's wrist, two or more electrodes configured to output an electrical signal indicating a u...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VILLAR, Nicolas, COHN, Gabriel Adam, KALE, David C, MORRIS, Daniel, SMITH, Gregory R, PAULSEN, Ronald E, GUPTA, Sidhant, SAPONAS, Scott T, PATEL, Shwetak N, TAN, Desney S, MALLADI, Sailaja
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:A wrist-worn device heart-monitoring device is presented. The wrist-worn heart-monitoring device includes a radial tonometer configured to output a pressure signal indicating a pulse pressure wave at a user's wrist, two or more electrodes configured to output an electrical signal indicating a user's heart has been commanded to contract, and a microphone configured to output an audio signal indicating a closing of a user's aortic valve. The wrist-worn heart-monitoring device further includes a pulse transit time monitor configured to calculate a pre-ejection period of the user's heart based on at least the pressure, electrical, and audio signals, and calculate a pulse transit time based on at least the pre-ejection period, the pressure signal, and the electrical signal.