TWI709390B - Wearable blood pressure detecting device and detecting method thereof - Google Patents

Wearable blood pressure detecting device and detecting method thereof Download PDF

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TWI709390B
TWI709390B TW107119004A TW107119004A TWI709390B TW I709390 B TWI709390 B TW I709390B TW 107119004 A TW107119004 A TW 107119004A TW 107119004 A TW107119004 A TW 107119004A TW I709390 B TWI709390 B TW I709390B
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blood pressure
pulse
pulse signal
detection module
pressure measurement
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TW202002891A (en
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陳裕仁
蔡俊祥
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華碩電腦股份有限公司
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Abstract

A wearable blood pressure detecting device is provided. The wearable blood pressure detecting device includes a case, a first pulse detecting module, a second pulse detecting module, and a blood pressure calculating unit. The case has a first detecting surface and a second detecting surface which is different from the first detecting surface. The first pulse detecting module is disposed on the first detecting surface for generating a first pulse signal. The second pulse detecting module is disposed on the second detecting surface for generating a second pulse signal. The blood pressure calculating unit is electrically connected to the first pulse detecting module and the second pulse detecting module for calculating the blood pressure value based on the first pulse signal and the second pulse signal.

Description

穿戴式血壓量測裝置及其量測方法 Wearable blood pressure measuring device and measuring method thereof

本發明係關於一種量測裝置及其量測方法，尤其是關於一種血壓量測裝置及其量測方法。 The present invention relates to a measuring device and a measuring method thereof, in particular to a blood pressure measuring device and a measuring method thereof.

傳統的穿戴式血壓量測裝置(例如腕戴式血壓量測裝置)是透過光體積描繪圖(photoplethymography,PPG)量測脈流速度(pulse wave velocity,PWV)，再依據脈流速度與血壓之關係所建立之一組血壓模型來獲得血壓值。 Traditional wearable blood pressure measurement devices (such as wrist-worn blood pressure measurement devices) measure pulse wave velocity (PWV) through photoplethymography (PPG), and then measure pulse wave velocity (PWV) based on the relationship between pulse flow velocity and blood pressure. A set of blood pressure models established by the relationship to obtain blood pressure values.

傳統的腕戴式血壓量測裝置是透過量測手腕所產生單一個光體積描繪圖訊號計算血壓模型。由於單一個光體積描繪圖訊號無法提供理想的訊雜比(SNR)，因此，傳統的腕戴式血壓量測裝置無法有效校正血壓模型以估算出準確的血壓值。 The traditional wrist-worn blood pressure measurement device calculates the blood pressure model by measuring a single light volume trace signal generated by the wrist. Since a single light volumetric map signal cannot provide an ideal signal-to-noise ratio (SNR), the traditional wrist-worn blood pressure measurement device cannot effectively calibrate the blood pressure model to estimate an accurate blood pressure value.

本發明提供一種穿戴式血壓量測裝置及其量測方法，可以克服手腕之單一個光體積描繪圖訊號 之限制，提升血壓量測之準確性。 The present invention provides a wearable blood pressure measurement device and a measurement method thereof, which can overcome the limitation of a single light volume trace signal of the wrist and improve the accuracy of blood pressure measurement.

本發明提供一穿戴式血壓量測裝置。此穿戴式血壓量測裝置，包含一殼體、一第一脈搏偵測模組、一第二脈搏偵測模組與一計算單元。其中，殼體包含一第一偵測面與一第二偵測面。第一偵測面與第二偵測面位於殼體之不同面。第一脈搏偵測模組係設置於第一偵測面，以產生一第一脈搏信號。第二脈搏偵測模組係設置於第二偵測面，以產生一第二脈搏信號。計算單元係電性連接第一脈搏偵測模組與第二脈搏偵測模組，用以依據第一脈搏信號與第二脈搏信號以估算一血壓值。 The invention provides a wearable blood pressure measuring device. The wearable blood pressure measurement device includes a casing, a first pulse detection module, a second pulse detection module and a calculation unit. Wherein, the casing includes a first detection surface and a second detection surface. The first detection surface and the second detection surface are located on different surfaces of the casing. The first pulse detection module is arranged on the first detection surface to generate a first pulse signal. The second pulse detection module is arranged on the second detection surface to generate a second pulse signal. The calculation unit is electrically connected to the first pulse detection module and the second pulse detection module for estimating a blood pressure value according to the first pulse signal and the second pulse signal.

本發明並提供一血壓量測方法，用於一穿戴式血壓量測裝置。此穿戴式血壓量測裝置包含一殼體、一第一脈搏偵測模組、一第二脈搏偵測模組與一計算單元。其中，殼體包含一第一偵測面與一第二偵測面，第一脈搏偵測模組係設置於第一偵測面，第二脈搏偵測模組係設置於第二偵測面，第一偵測面與第二偵測面係位於殼體之不同面。計算單元係電性連接第一脈搏偵測模組與第二脈搏偵測模組。此血壓量測方法包括：利用第一脈搏偵測模組產生一第一脈搏信號，並且利用第二脈搏偵測模組產生一第二脈搏信號；以及利用計算單元，套用一血壓模型，並依據第一脈搏信號與第二脈搏信號估算一血壓值。其中，第一脈搏信號與第二脈搏信號係用以建立血壓模型。 The present invention also provides a blood pressure measurement method for a wearable blood pressure measurement device. The wearable blood pressure measurement device includes a housing, a first pulse detection module, a second pulse detection module, and a calculation unit. The housing includes a first detection surface and a second detection surface. The first pulse detection module is disposed on the first detection surface, and the second pulse detection module is disposed on the second detection surface. , The first detection surface and the second detection surface are located on different surfaces of the casing. The computing unit is electrically connected to the first pulse detection module and the second pulse detection module. The blood pressure measurement method includes: using a first pulse detection module to generate a first pulse signal, and using a second pulse detection module to generate a second pulse signal; and using a calculation unit to apply a blood pressure model, and The first pulse signal and the second pulse signal estimate a blood pressure value. Among them, the first pulse signal and the second pulse signal are used to establish a blood pressure model.

傳統之穿戴式血壓量測裝置，受限於手腕之單一個光體積描繪圖訊號，無法有效校正血壓模型以 估算出準確的血壓值。相較之下，本發明所提供之穿戴式血壓量測裝置及其量測方法，則可利用第二脈搏偵測模組，產生第二脈搏信號，以補足傳統技術中單一個光體積描繪圖脈搏信號之不足，而有助於提升血壓量測之準確性。 The traditional wearable blood pressure measurement device is limited by a single light volume trace signal of the wrist, and cannot effectively calibrate the blood pressure model to estimate the accurate blood pressure value. In contrast, the wearable blood pressure measurement device and the measurement method provided by the present invention can use the second pulse detection module to generate a second pulse signal to complement a single light volume drawing in the traditional technology The lack of pulse signal helps improve the accuracy of blood pressure measurement.

本發明所採用的具體實施例，將藉由以下之實施例及圖式作進一步之說明。 The specific embodiments adopted in the present invention will be further explained by the following embodiments and drawings.

100,200‧‧‧穿戴式血壓量測裝置 100,200‧‧‧Wearable blood pressure measurement device

120,220‧‧‧第一脈搏偵測模組 120,220‧‧‧The first pulse detection module

140,240‧‧‧第二脈搏偵測模組 140,240‧‧‧Second pulse detection module

160,260‧‧‧計算單元 160,260‧‧‧Computer unit

122,124‧‧‧脈搏偵測器 122,124‧‧‧Pulse Detector

110,210‧‧‧殼體 110,210‧‧‧Shell

110a,210a‧‧‧第一偵測面 110a,210a‧‧‧First detection surface

110b,210b‧‧‧第二偵測面 110b,210b‧‧‧Second detection surface

250‧‧‧心跳偵測模組 250‧‧‧Heartbeat Detection Module

252‧‧‧偵測電極 252‧‧‧Detection electrode

第一圖係本發明穿戴式血壓量測裝置一實施例之方塊示意圖。 The first figure is a block diagram of an embodiment of the wearable blood pressure measurement device of the present invention.

第二A與二B圖係第一圖之穿戴式血壓量測裝置之外觀示意圖。 The second diagrams A and 2B are schematic diagrams of the appearance of the wearable blood pressure measurement device in the first diagram.

第三圖係本發明穿戴式血壓量測裝置另一實施例之方塊示意圖。 The third figure is a block diagram of another embodiment of the wearable blood pressure measurement device of the present invention.

第四A與四B圖係第三圖之穿戴式血壓量測裝置之外觀示意圖。 Figures 4A and 4B are schematic diagrams of the appearance of the wearable blood pressure measurement device in Figure 3.

第五圖係本發明血壓量測方法一實施例之流程圖。 The fifth figure is a flowchart of an embodiment of the blood pressure measurement method of the present invention.

第六圖係本發明血壓量測方法另一實施例之流程圖。 The sixth figure is a flowchart of another embodiment of the blood pressure measurement method of the present invention.

下面將結合示意圖對本發明的具體實施方式進行更詳細的描述。根據下列描述和申請專利範圍，本發明的優點和特徵將更清楚。需說明的是，圖式 均採用非常簡化的形式且均使用非精準的比例，僅用以方便、明晰地輔助說明本發明實施例的目的。 The specific embodiments of the present invention will be described in more detail below with reference to the schematic diagram. According to the following description and the scope of patent application, the advantages and features of the present invention will be more clear. It should be noted that the drawings all adopt very simplified forms and all use imprecise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

第一圖係本發明穿戴式血壓量測裝置100一實施例之方塊示意圖。第二A與二B圖係第一圖之穿戴式血壓量測裝置100之外觀示意圖。此穿戴式血壓量測裝置100可以是電子錶、電子手環、皮膚貼片或其他可配戴於手臂或手腕或接觸人體以偵測脈搏之電子裝置。圖中係以一腕戴式血壓量測裝置為例。 The first figure is a block diagram of an embodiment of the wearable blood pressure measurement device 100 of the present invention. The second diagrams A and 2B are schematic diagrams of the appearance of the wearable blood pressure measurement device 100 of the first diagram. The wearable blood pressure measurement device 100 can be an electronic watch, an electronic bracelet, a skin patch, or other electronic devices that can be worn on the arm or wrist or contact the human body to detect pulse. The figure shows a wrist-worn blood pressure measurement device as an example.

如第一圖所示，此穿戴式血壓量測裝置100包含一第一脈搏偵測模組120、一第二脈搏偵測模組140與一計算單元160。第一脈搏偵測模組120係用以產生一第一脈搏信號，第二脈搏偵測模組140係用以產生一第二脈搏信號。前述第一脈搏信號與第二脈搏信號可以是光體積描繪圖信號。計算單元160係電性連接第一脈搏偵測模組120與第二脈搏偵測模組140。 As shown in the first figure, the wearable blood pressure measurement device 100 includes a first pulse detection module 120, a second pulse detection module 140, and a calculation unit 160. The first pulse detection module 120 is used to generate a first pulse signal, and the second pulse detection module 140 is used to generate a second pulse signal. The aforementioned first pulse signal and second pulse signal may be light volumetric map signals. The calculation unit 160 is electrically connected to the first pulse detection module 120 and the second pulse detection module 140.

計算單元160係依據第一脈搏信號與第二脈搏信號建立一血壓模型，並依據第一脈搏信號與/或第二脈搏信號計算出來的脈流速度(pulse wave velocity,PWV)套用此血壓模型估算出待量測者之血壓值。在一實施例中，第一脈搏偵測模組120包括二脈搏偵測器122,124，以偵測相鄰之二不同位置的脈搏。在已知此二脈搏偵測器122,124之距離的前提下，透過第一脈搏偵測模組120所產生之脈搏信號，即可估算出待量測者之脈流速度。 The calculation unit 160 establishes a blood pressure model based on the first pulse signal and the second pulse signal, and uses the blood pressure model to estimate the pulse wave velocity (PWV) calculated based on the first pulse signal and/or the second pulse signal Get the blood pressure value of the person to be measured. In one embodiment, the first pulse detection module 120 includes two pulse detectors 122 and 124 to detect pulses at two adjacent positions. Under the premise that the distance between the two pulse detectors 122 and 124 is known, the pulse flow velocity of the person to be measured can be estimated through the pulse signal generated by the first pulse detection module 120.

請同時參照第二A與二B圖，此穿戴式血 壓量測裝置100之殼體110包含一第一偵測面110a與一第二偵測面110b。第一偵測面110a與第二偵測面110b位於殼體110之不同面。第一脈搏偵測模組120係設置於第一偵測面110a。第二脈搏偵測模組140係設置於第二偵測面110b。也就是說，第一脈搏偵測模組120與第二脈搏偵測模組140係用以偵測人體不同位置之脈搏信號。計算單元160係設置於殼體110內部，並且電性連接第一脈搏偵測模組120與第二脈搏偵測模組140。 Please refer to FIGS. 2A and 2B at the same time. The housing 110 of the wearable blood pressure measurement device 100 includes a first detection surface 110a and a second detection surface 110b. The first detection surface 110 a and the second detection surface 110 b are located on different surfaces of the casing 110. The first pulse detection module 120 is disposed on the first detection surface 110a. The second pulse detection module 140 is disposed on the second detection surface 110b. In other words, the first pulse detection module 120 and the second pulse detection module 140 are used to detect pulse signals at different positions of the human body. The calculation unit 160 is disposed inside the casing 110 and is electrically connected to the first pulse detection module 120 and the second pulse detection module 140.

如圖中所示，在一實施例中，第二偵測面110b係位於第一偵測面110a之相對側。舉例來說，就一腕帶式血壓量測裝置而言，並且，第一偵測面110a是腕帶式血壓量測裝置之背面(即手腕接觸面)，第二偵測面110b則是腕帶式血壓量測裝置之正面(即非手腕接觸面)。不過，本發明並不限於此。在一實施例中，第二脈搏偵測模組140亦可設置於殼體110之側面。 As shown in the figure, in one embodiment, the second detection surface 110b is located on the opposite side of the first detection surface 110a. For example, for a wristband type blood pressure measurement device, and the first detection surface 110a is the back of the wristband type blood pressure measurement device (that is, the wrist contact surface), and the second detection surface 110b is the wrist The front of the belt-type blood pressure measurement device (that is, the non-wrist contact surface). However, the present invention is not limited to this. In an embodiment, the second pulse detection module 140 can also be disposed on the side of the housing 110.

在實際使用上，就一實施例而言，設置於第一偵測面110a之第一脈搏偵測模組120係用以偵測手腕之脈搏信號，亦即第一脈搏信號係一手腕脈搏信號。設置於第二偵測面110b之第二脈搏偵測模組140則是供手指按壓以偵測手指之脈搏信號，亦即第二脈搏信號係一手指脈搏信號。 In actual use, in one embodiment, the first pulse detection module 120 disposed on the first detection surface 110a is used to detect the pulse signal of the wrist, that is, the first pulse signal is a wrist pulse signal . The second pulse detection module 140 disposed on the second detection surface 110b is for the finger to press to detect the pulse signal of the finger, that is, the second pulse signal is a finger pulse signal.

第三圖係本發明穿戴式血壓量測裝置200另一實施例之方塊示意圖。第四A與四B圖係第三圖之穿戴式血壓量測裝置200之外觀示意圖。此穿戴式血壓量測裝置200可以是電子錶、電子手環、皮膚貼片或示其他可 配戴於手臂或手腕或接觸人體以偵測脈搏之電子裝置。圖中係以一腕戴式血壓量測裝置為例。 The third figure is a block diagram of another embodiment of the wearable blood pressure measurement device 200 of the present invention. The fourth diagrams A and 4B are schematic diagrams of the appearance of the wearable blood pressure measurement device 200 of the third diagram. The wearable blood pressure measurement device 200 can be an electronic watch, an electronic wristband, a skin patch, or other electronic devices that can be worn on the arm or wrist or contact the human body to detect pulse. The figure shows a wrist-worn blood pressure measurement device as an example.

如第三圖所示，此穿戴式血壓量測裝置200包含一第一脈搏偵測模組220、一第二脈搏偵測模組240、一心跳偵測模組250與一計算單元260。第一脈搏偵測模組220係用以產生第一脈搏信號，第二脈搏偵測模組240係用以產生第二脈搏信號。前述第一脈搏偵測模組220與第二脈搏偵測模組240所產生之脈搏信號可以是光體積描繪圖信號。心跳偵測模組250係用以產生一心電圖(electrocardiography,ECG)信號。 As shown in the third figure, the wearable blood pressure measurement device 200 includes a first pulse detection module 220, a second pulse detection module 240, a heartbeat detection module 250, and a calculation unit 260. The first pulse detection module 220 is used to generate a first pulse signal, and the second pulse detection module 240 is used to generate a second pulse signal. The pulse signals generated by the aforementioned first pulse detection module 220 and the second pulse detection module 240 may be light volumetric map signals. The heartbeat detection module 250 is used to generate an electrocardiography (ECG) signal.

計算單元260係電性連接第一脈搏偵測模組220、第二脈搏偵測模組240與心跳偵測模組250。計算單元260係依據第一脈搏信號、第二脈搏信號與心電圖信號建立一血壓模型，並依據心電圖信號與第一脈搏信號，或是心電圖信號與第二脈搏信號計算出來的脈流速度(pulse wave velocity,PWV)估算出待量測者之血壓值。也就是說，本實施例係透過比較心電圖信號與脈搏信號之波型特徵值，如波峰波谷，最大斜率，半高全寬或波型下面積等，以估算出待量測者之脈搏傳遞時間(pulse transit time,PTT)，進而計算出脈流速度。 The calculation unit 260 is electrically connected to the first pulse detection module 220, the second pulse detection module 240, and the heartbeat detection module 250. The calculation unit 260 establishes a blood pressure model based on the first pulse signal, the second pulse signal, and the electrocardiogram signal, and calculates the pulse wave velocity (pulse wave velocity) based on the electrocardiogram signal and the first pulse signal, or the electrocardiogram signal and the second pulse signal. velocity, PWV) Estimate the blood pressure of the person to be measured. That is to say, this embodiment compares the waveform characteristic values of the ECG signal and the pulse signal, such as peaks and valleys, maximum slope, full width at half maximum, or area under the waveform, etc., to estimate the pulse transmission time of the subject to be measured (pulse transit time, PTT), and then calculate the pulse flow velocity.

請同時參照第四A與四B圖，此穿戴式血壓量測裝置200之殼體210包含一第一偵測面210a與一第二偵測面210b。第一偵測面210a與第二偵測面210b位於殼體210之不同面。第一脈搏偵測模組220係設置於第一偵測面210a。第二脈搏偵測模組240係設置於第二偵測面 210b。也就是說，第一脈搏偵測模組220與第二脈搏偵測模組240係用以偵測人體不同位置之脈搏信號。計算單元260係設置於殼體210內部。 Please refer to FIGS. 4A and 4B at the same time. The housing 210 of the wearable blood pressure measurement device 200 includes a first detection surface 210a and a second detection surface 210b. The first detection surface 210 a and the second detection surface 210 b are located on different surfaces of the casing 210. The first pulse detection module 220 is disposed on the first detection surface 210a. The second pulse detection module 240 is disposed on the second detection surface 210b. In other words, the first pulse detection module 220 and the second pulse detection module 240 are used to detect pulse signals at different positions of the human body. The calculation unit 260 is arranged inside the housing 210.

如圖中所示，就一腕帶式血壓量測裝置而言，在一實施例中，第一偵測面210a係此腕帶式血壓量測裝置之背面(即手腕接觸面)，第二偵測面210b則是此腕帶式血壓量測裝置之正面(即非手腕接觸面)。心跳偵測模組250包括二偵測電極252。此二偵測電極係分別位於殼體210之相對側的側面，以方便使用者以手指壓按。 As shown in the figure, for a wristband-type blood pressure measurement device, in one embodiment, the first detection surface 210a is the back (ie, wrist contact surface) of the wristband-type blood pressure measurement device. The detection surface 210b is the front surface of the wristband type blood pressure measurement device (ie, the non-wrist contact surface). The heartbeat detection module 250 includes two detection electrodes 252. The two detection electrodes are respectively located on opposite sides of the casing 210 to facilitate the user to press with his fingers.

不過，本發明並不限於此。在一實施例中，第二脈搏偵測模組240亦可設置於殼體210之側面，相鄰於心跳偵測模組250之偵測電極。又，在一實施例中，心跳偵測模組250之二偵測電極亦可設置於殼體210上包含第一偵測面210a在內之不同面。舉例來說，心跳偵測模組250之二偵測電極可分別設置於第一偵測面210a與第二偵測面210b。 However, the present invention is not limited to this. In one embodiment, the second pulse detection module 240 can also be disposed on the side of the housing 210, adjacent to the detection electrodes of the heartbeat detection module 250. Furthermore, in one embodiment, the two detection electrodes of the heartbeat detection module 250 may also be disposed on different surfaces of the housing 210 including the first detection surface 210a. For example, the two detection electrodes of the heartbeat detection module 250 can be respectively disposed on the first detection surface 210a and the second detection surface 210b.

在實際使用上，就一實施例而言，設置於第一偵測面210a之第一脈搏偵測模組220係用以偵測手腕或手臂之脈搏信號，亦即第一脈搏信號係一手腕脈搏信號或是一手臂脈搏信號。設置於第二偵測面210b之第二脈搏偵測模組240則是供手指按壓以偵測手指之脈搏信號，亦即第二脈搏信號係一手指脈搏信號。心跳偵測模組250則是具有二偵測電極供手指壓按以產生心電圖信號。 In actual use, in one embodiment, the first pulse detection module 220 disposed on the first detection surface 210a is used to detect the pulse signal of the wrist or arm, that is, the first pulse signal is a wrist Pulse signal or an arm pulse signal. The second pulse detection module 240 arranged on the second detection surface 210b is for the finger to press to detect the pulse signal of the finger, that is, the second pulse signal is a finger pulse signal. The heartbeat detection module 250 has two detection electrodes for finger pressing to generate an ECG signal.

第五圖係本發明血壓量測方法一實施例 之流程圖。此量測方法可區分為一血壓模型建立程序(包含步驟S110,S120與S130)與一血壓量測程序(包含步驟S110,S120與S140)。此血壓量測方法係用於第一圖之穿戴式血壓量測裝置100。 The fifth figure is a flowchart of an embodiment of the blood pressure measurement method of the present invention. This measurement method can be divided into a blood pressure model establishment program (including steps S110, S120, and S130) and a blood pressure measurement program (including steps S110, S120, and S140). This blood pressure measurement method is used in the wearable blood pressure measurement device 100 shown in the first figure.

如圖中所示，在血壓模型建立程序中，首先，在步驟S110中，利用第一脈搏偵測模組120產生第一脈搏信號，並且，利用第二脈搏偵測模組140產生一第二脈搏信號。接下來，在步驟S120中，計算第一脈搏信號與第二脈搏信號之脈搏特徵值，如波峰波谷，最大斜率，半高全寬或波型下面積等。然後，在步驟S130中，依據第一脈搏信號與第二脈搏信號之脈搏特徵值建立一血壓模型。 As shown in the figure, in the blood pressure model establishment procedure, first, in step S110, the first pulse detection module 120 is used to generate a first pulse signal, and the second pulse detection module 140 is used to generate a second pulse signal. Pulse signal. Next, in step S120, the pulse characteristic values of the first pulse signal and the second pulse signal are calculated, such as peaks and valleys, maximum slope, full width at half maximum, or area under the waveform, etc. Then, in step S130, a blood pressure model is established according to the pulse characteristic values of the first pulse signal and the second pulse signal.

在一實施例中，此穿戴式血壓量測裝置100可以儲存第一脈搏信號與第二脈搏信號之脈搏特徵值，或是上傳第一脈搏信號與第二脈搏信號之脈搏特徵值，以建立血壓模型。透過蒐集多個量測樣本之資料，包括脈搏特徵值、脈流速度與實際量測血壓值，即可進行血壓模型演算以建立適當的血壓模型。 In one embodiment, the wearable blood pressure measurement device 100 can store the pulse characteristic values of the first pulse signal and the second pulse signal, or upload the pulse characteristic values of the first pulse signal and the second pulse signal to establish blood pressure model. By collecting data from multiple measurement samples, including pulse characteristic value, pulse flow velocity and actual measured blood pressure value, blood pressure model calculations can be performed to establish an appropriate blood pressure model.

如圖中所示，在血壓量測程序中，首先，在步驟S110中，利用第一脈搏偵測模組120產生第一脈搏信號，並且，利用第二脈搏偵測模組140產生一第二脈搏信號。接下來，在步驟S120中，計算第一脈搏信號與第二脈搏信號之脈搏特徵值，如波峰波谷，最大斜率，半高全寬或波型下面積等。然後，在步驟S140中，套用所建立之血壓模型，並依據第一脈搏信號與第二脈搏信 號之脈搏特徵值計算待量測者之血壓值。 As shown in the figure, in the blood pressure measurement procedure, first, in step S110, the first pulse detection module 120 is used to generate a first pulse signal, and the second pulse detection module 140 is used to generate a second pulse signal. Pulse signal. Next, in step S120, the pulse characteristic values of the first pulse signal and the second pulse signal are calculated, such as peaks and valleys, maximum slope, full width at half maximum, or area under the waveform, etc. Then, in step S140, the established blood pressure model is applied, and the blood pressure value of the person to be measured is calculated according to the pulse characteristic values of the first pulse signal and the second pulse signal.

在一實施例中，前述血壓模型建立程序之步驟S110與S120係由穿戴式血壓量測裝置100執行，步驟S130則是由後端之運算裝置進行處理，血壓量測程序則是由穿戴式血壓量測裝置100執行。不過，本發明並不限於此，若是穿戴式血壓量測裝置100具有足夠之運算能力與記憶容量，亦可利用穿戴式血壓量測裝置100執行步驟S130。 In one embodiment, steps S110 and S120 of the aforementioned blood pressure model establishment procedure are performed by the wearable blood pressure measurement device 100, step S130 is processed by the back-end computing device, and the blood pressure measurement procedure is performed by the wearable blood pressure measurement device. The measurement device 100 executes. However, the present invention is not limited to this. If the wearable blood pressure measurement device 100 has sufficient computing power and memory capacity, the wearable blood pressure measurement device 100 can also be used to perform step S130.

第六圖係本發明血壓量測方法另一實施例之流程圖。此量測方法可區分為一血壓模型建立程序(包含步驟S210,S220與S230)與一血壓量測程序(包含步驟S210,S220與S240)。此血壓量測方法係用於第三圖之穿戴式血壓量測裝置200。 The sixth figure is a flowchart of another embodiment of the blood pressure measurement method of the present invention. This measurement method can be divided into a blood pressure model establishment program (including steps S210, S220, and S230) and a blood pressure measurement program (including steps S210, S220, and S240). This blood pressure measurement method is used in the wearable blood pressure measurement device 200 in the third figure.

如圖中所示，在血壓模型建立程序中，首先，在步驟S210中，利用第一脈搏偵測模組220產生第一脈搏信號，利用第二脈搏偵測模組240產生一第二脈搏信號，並且，利用心跳偵測模組250產生一心電圖信號。隨後，在步驟S220中，依據心電圖信號計算第一脈搏信號與第二脈搏信號之特徵值，如波峰波谷，最大斜率，半高全寬或波型下面積等。然後，在步驟S230中，依據第一脈搏信號、第二脈搏信號與心電圖信號建立一血壓模型。 As shown in the figure, in the blood pressure model establishment procedure, first, in step S210, the first pulse detection module 220 is used to generate a first pulse signal, and the second pulse detection module 240 is used to generate a second pulse signal. And, the heartbeat detection module 250 is used to generate an ECG signal. Subsequently, in step S220, the characteristic values of the first pulse signal and the second pulse signal, such as peaks and valleys, maximum slope, full width at half maximum, or area under the waveform, are calculated according to the electrocardiogram signal. Then, in step S230, a blood pressure model is established according to the first pulse signal, the second pulse signal and the electrocardiogram signal.

在一實施例中，此穿戴式血壓量測裝置200可以儲存第一脈搏信號、第二脈搏信號與心電圖信號之脈搏特徵值，或是上傳第一脈搏信號、第二脈搏信號 與心電圖信號之脈搏特徵值，以建立血壓模型。透過蒐集多個量測樣本之資料，包括脈搏特徵值、脈流速度與實際量測血壓值，即可進行血壓模型演算以建立適當的血壓模型。 In one embodiment, the wearable blood pressure measurement device 200 can store the pulse characteristic values of the first pulse signal, the second pulse signal and the electrocardiogram signal, or upload the pulse of the first pulse signal, the second pulse signal and the electrocardiogram signal Characteristic values to establish a blood pressure model. By collecting data from multiple measurement samples, including pulse characteristic value, pulse flow velocity and actual measured blood pressure value, blood pressure model calculations can be performed to establish an appropriate blood pressure model.

如圖中所示，在血壓量測程序中，首先，在步驟S210中，利用第一脈搏偵測模組220產生第一脈搏信號，利用第二脈搏偵測模組240產生一第二脈搏信號，並且，利用心跳偵測模組250產生一心電圖信號。隨後，在步驟S220中，依據心電圖信號計算第一脈搏信號與第二脈搏信號之特徵值，如波峰波谷，最大斜率，半高全寬或波型下面積等。然後，在步驟S240中，套用所建立之血壓模型，並依據第一脈搏信號與第二脈搏信號之脈搏特徵值計算待量測者之血壓值。 As shown in the figure, in the blood pressure measurement procedure, first, in step S210, the first pulse detection module 220 is used to generate a first pulse signal, and the second pulse detection module 240 is used to generate a second pulse signal. And, the heartbeat detection module 250 is used to generate an ECG signal. Subsequently, in step S220, the characteristic values of the first pulse signal and the second pulse signal, such as peaks and valleys, maximum slope, full width at half maximum, or area under the waveform, are calculated according to the electrocardiogram signal. Then, in step S240, the established blood pressure model is applied, and the blood pressure value of the person to be measured is calculated according to the pulse characteristic values of the first pulse signal and the second pulse signal.

在一實施例中，前述血壓模型建立程序之步驟S210與S220係由穿戴式血壓量測裝置200執行，步驟S230則是由後端之運算裝置進行處理，血壓量測程序則是由穿戴式血壓量測裝置200執行。不過，本發明並不限於此，若是穿戴式血壓量測裝置200具有足夠之運算能力與記憶容量，亦可利用穿戴式血壓量測裝置200執行步驟S130。 In one embodiment, steps S210 and S220 of the aforementioned blood pressure model establishment program are executed by the wearable blood pressure measurement device 200, step S230 is processed by the back-end computing device, and the blood pressure measurement program is performed by the wearable blood pressure measurement device. The measurement device 200 executes. However, the present invention is not limited to this. If the wearable blood pressure measurement device 200 has sufficient computing power and memory capacity, the wearable blood pressure measurement device 200 can also be used to perform step S130.

傳統之穿戴式血壓量測裝置，受限於手腕或手臂之光體積描繪圖訊號，無法有效校正血壓模型以估算出準確的血壓值。相較之下，本發明所提供之穿戴式血壓量測裝置及其量測方法，則可利用第二脈搏偵測模組，產生第二脈搏信號，以補足手腕或手臂之光體積 描繪圖脈搏信號之不足，而有助於提升血壓量測之準確性。 The traditional wearable blood pressure measurement device is limited by the light volume trace signal of the wrist or arm, and cannot effectively calibrate the blood pressure model to estimate the accurate blood pressure value. In contrast, the wearable blood pressure measurement device and measurement method provided by the present invention can use the second pulse detection module to generate a second pulse signal to complement the light volume trace pulse of the wrist or arm The lack of signal helps to improve the accuracy of blood pressure measurement.

上述僅為本發明較佳之實施例而已，並不對本發明進行任何限制。任何所屬技術領域的技術人員，在不脫離本發明的技術手段的範圍內，對本發明揭露的技術手段和技術內容做任何形式的等同替換或修改等變動，均屬未脫離本發明的技術手段的內容，仍屬於本發明的保護範圍之內。 The above are only preferred embodiments of the present invention and do not limit the present invention in any way. Any person skilled in the art, without departing from the scope of the technical means of the present invention, makes any form of equivalent replacement or modification or other changes to the technical means and technical content disclosed by the present invention, which does not depart from the technical means of the present invention. The content still falls within the protection scope of the present invention.

100‧‧‧穿戴式血壓量測裝置 100‧‧‧Wearable blood pressure measurement device

120‧‧‧第一脈搏偵測模組 120‧‧‧The first pulse detection module

140‧‧‧第二脈搏偵測模組 140‧‧‧Second pulse detection module

160‧‧‧計算單元 160‧‧‧Computer unit

122,124‧‧‧脈搏偵測器 122,124‧‧‧Pulse Detector

Claims (10)

一種穿戴式血壓量測裝置，包含：一殼體，該殼體包含一第一偵測面與一第二偵測面，該第一偵測面與該第二偵測面位於該殼體之不同面；一第一脈搏偵測模組，設置於該第一偵測面，以產生一第一脈搏信號；一第二脈搏偵測模組，設置於該第二偵測面，以產生一第二脈搏信號；以及一計算單元，電性連接該第一脈搏偵測模組與該第二脈搏偵測模組，用以依據該第一脈搏信號與該第二脈搏信號以估算一血壓值；其中，該第一脈搏信號與該第二脈搏信號係為二光體積描繪圖信號，該第一脈搏信號係一手臂脈搏信號或是一手腕脈搏信號，該第二脈搏信號係一手指脈搏信號。 A wearable blood pressure measurement device, comprising: a housing, the housing comprising a first detection surface and a second detection surface, the first detection surface and the second detection surface are located on the housing Different sides; a first pulse detection module is arranged on the first detection surface to generate a first pulse signal; a second pulse detection module is arranged on the second detection surface to generate a A second pulse signal; and a calculation unit electrically connected to the first pulse detection module and the second pulse detection module for estimating a blood pressure value based on the first pulse signal and the second pulse signal ; Wherein, the first pulse signal and the second pulse signal are two light volume plot signals, the first pulse signal is an arm pulse signal or a wrist pulse signal, and the second pulse signal is a finger pulse signal . 如申請專利範圍第1項所述之穿戴式血壓量測裝置，其中，該第二偵測面係位於該第一偵測面之相對側或相鄰側。 According to the wearable blood pressure measurement device described in claim 1, wherein the second detection surface is located on the opposite side or adjacent side of the first detection surface. 如申請專利範圍第1項所述之穿戴式血壓量測裝置，更包括一心跳偵測模組，用以產生一心電圖信號，該計算單元係依據該心電圖信號與該第一脈搏信號估算該血壓值。 The wearable blood pressure measurement device described in the first item of the scope of the patent application further includes a heartbeat detection module for generating an electrocardiogram signal, and the calculation unit estimates the blood pressure based on the electrocardiogram signal and the first pulse signal value. 如申請專利範圍第3項所述之穿戴式血壓量測裝置，其中，該心跳偵測模組包括二偵測電極，其中，至少一該偵測電極係設置於該第二偵測面。 For the wearable blood pressure measurement device described in item 3 of the patent application, the heartbeat detection module includes two detection electrodes, and at least one of the detection electrodes is disposed on the second detection surface. 如申請專利範圍第4項所述之穿戴式血壓量測裝置，其中，該二偵測電極係位於該殼體之相對側。 The wearable blood pressure measurement device described in item 4 of the scope of patent application, wherein the two detecting electrodes are located on opposite sides of the housing. 如申請專利範圍第3項所述之穿戴式血壓量測裝置，其中，該心跳偵測模組包括二偵測電極，分別位於該第一偵測面與該第二偵測面。 The wearable blood pressure measurement device described in item 3 of the scope of patent application, wherein the heartbeat detection module includes two detection electrodes, respectively located on the first detection surface and the second detection surface. 如申請專利範圍第1項所述之穿戴式血壓量測裝置，其中，該第一脈搏偵測模組包括二脈搏偵測器，用以偵測二不同位置之脈搏。 The wearable blood pressure measurement device according to the first item of the patent application, wherein the first pulse detection module includes two pulse detectors for detecting pulses at two different positions. 如申請專利範圍第1項所述之穿戴式血壓量測裝置，其中，該計算單元係依據該第一脈搏信號與該第二脈搏信號建立一血壓模型以估算該血壓值。 According to the wearable blood pressure measurement device described in claim 1, wherein the calculation unit builds a blood pressure model based on the first pulse signal and the second pulse signal to estimate the blood pressure value. 如申請專利範圍第1項所述之穿戴式血壓量測裝置，其中，該穿戴式血壓量測裝置係一腕帶式血壓量測裝置，並且，該第一偵測面係位於該腕帶式血壓量測裝置之一手腕接觸面。 The wearable blood pressure measurement device according to the first item of the scope of patent application, wherein the wearable blood pressure measurement device is a wristband type blood pressure measurement device, and the first detection surface is located on the wristband type A wrist contact surface of a blood pressure measuring device. 一種血壓量測方法，用於一穿戴式血壓量測裝置，該穿戴式血壓量測裝置包含一殼體、一第一脈搏偵測模組、一第二脈搏偵測模組與一計算單元，該殼體包含一第一偵測面與一第二偵測面，該第一脈搏偵測模組設置於該第一偵測面，該第二脈搏偵測模組設置於該第二偵測面，該第一偵測面與該第二偵測面位於該殼體之不同面，該計算單元係電性連接該第一脈搏偵測模組與該第二脈搏偵測模組，該血壓量測方法包括；利用該第一脈搏偵測模組產生一第一脈搏信號，並且 利用該第二脈搏偵測模組產生一第二脈搏信號；以及利用該計算單元，套用一血壓模型，並依據該第一脈搏信號與該第二脈搏信號估算一血壓值；其中，該第一脈搏信號與該第二脈搏信號係用以建立該血壓模型；其中，該第一脈搏信號與該第二脈搏信號係為二光體積描繪圖信號，該第一脈搏信號係一手臂脈搏信號或是一手腕脈搏信號，該第二脈搏信號係一手指脈搏信號。 A blood pressure measurement method is used in a wearable blood pressure measurement device. The wearable blood pressure measurement device includes a housing, a first pulse detection module, a second pulse detection module, and a calculation unit, The housing includes a first detection surface and a second detection surface. The first pulse detection module is disposed on the first detection surface, and the second pulse detection module is disposed on the second detection surface. Surface, the first detection surface and the second detection surface are located on different sides of the housing, the calculation unit is electrically connected to the first pulse detection module and the second pulse detection module, the blood pressure The measurement method includes: using the first pulse detection module to generate a first pulse signal, and Use the second pulse detection module to generate a second pulse signal; and use the calculation unit to apply a blood pressure model, and estimate a blood pressure value according to the first pulse signal and the second pulse signal; wherein, the first The pulse signal and the second pulse signal are used to establish the blood pressure model; wherein, the first pulse signal and the second pulse signal are two-light volume rendering signals, and the first pulse signal is an arm pulse signal or A wrist pulse signal, and the second pulse signal is a finger pulse signal.
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