Dynamic measurement device with a blood pressure determination function

11412,940

16/465379

November 30, 2017

The present invention provides a dynamic measurement device with a blood pressure determination function, comprising: a heartbeat sensing module disposed on the chest area of a user wherein the heartbeat sensing module comprising a heart sound sensor for obtaining heartbeat signals; a pulse sensing module disposed on a limb area of the user, the pulse sensing module comprising a pulse wave sensor for obtaining pulse signals; and a data calculating module for calculating a mean arterial pressure and a value of systolic blood pressure and diastolic blood pressure based on the heartbeat signals and pulse signals. In addition to dynamically monitoring the blood pressure of a user for 24 hours, the present invention can dynamically monitor the heart sounds of the user for 24 hours individually in order to monitor user's physical condition. Therefore, the present invention has important medical meanings.

Lin, Shiming (Taipei, TW); BIV MEDICAL, LTD. (Caotun Township, Nantou County, TW)

Lin, Shiming (Taipei, TW), BIV MEDICAL, LTD. (Nantou County, TW)

1. A dynamic measurement device with a blood pressure determination function, comprising: a heartbeat sensing module configured to be disposed on a chest area of a user, the heartbeat sensing module comprising a heart sound sensor for obtaining heartbeat signals; a pulse sensing module configured to be disposed on a limb area of the user, the pulse sensing module comprising a pulse wave sensor for obtaining pulse signals; and a data calculating module for calculating a mean arterial pressure (MAP) and a value of systolic blood pressure and diastolic blood pressure based on the heartbeat signals and pulse signals; wherein the mean arterial pressure is calculated based on the formula (I) or formula (II) as follow: [mathematical expression included] or [mathematical expression included] where L P is a length of an artery path through which a pulse wave propagates; T PA is a pulse arrival time (PAT); and a, A, b, B, c and C each represents a correction parameter independently; wherein the correction parameter a ranges from 0.01 to 0.15; the correction parameter b ranges from 0.01 to 0.15; the correction parameter c ranges from 1 to 1000; the correction parameter A ranges from 0.01 to 0.15; the correction parameter B ranges from 0.1 to 1.0; and the correction parameter C ranges from 1 to 1000; wherein the pulse wave sensor is configured to be disposed on a wrist area at a location corresponding to a radial artery; and the length of an artery path through which the pulse wave propagates is a path length from the chest area to a wrist area; wherein the heartbeat sensing module, the pulse sensing module, and the data calculating module are in communication with each other by wireless communication.

2. The dynamic measurement device of claim 1 , wherein the heart sound sensor is configured to be disposed on the chest area of a user at a location corresponding to an aortic orifice, pulmonary orifice, tricuspid valve, or bicuspid valve.

3. The dynamic measurement device of claim 1 , wherein the heart sound sensor is an acoustic wave sensor.

4. The dynamic measurement device of claim 1 , wherein the pulse wave sensor is a/an Doppler radar, piezoelectric pressure sensor, piezoresistive pressure sensor, capacitive pressure sensor, acoustic wave sensor, ultrasonic sensor, or photoplethysmography (PPG) sensor.

2002/0001390 January 2002 Kawaguchi
2003/0199776 October 2003 Narimatsu et al.
2010/0160797 June 2010 Banet
2011/0066009 March 2011 Moon
104244814 December 2014
104414627 March 2015
104873186 September 2015
WO-2016026698 February 2016
WO-2016040263 March 2016

Chen et al.; “Continuous and Noninvasive Blood Pressure Measurement: A Novel Modeling Methodology of the Relationship Between Blood Pressure and Pulse Wave Velocity”; Jul. 1, 2009; Annals of Biomedical Engineering, vol. 37, pp. 1-12 (Year: 2009). cited by examiner

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