CN101708121B - Ear-hook Low Power Physiological Parameter Monitoring Device - Google Patents
Ear-hook Low Power Physiological Parameter Monitoring DeviceDownload PDFInfo
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及医疗器械技术领域，尤其涉及一种生理参数监测装置。 The invention relates to the technical field of medical devices, in particular to a physiological parameter monitoring device. the
背景技术Background technique
根据近年的统计数字，心血管疾病成为头号致命杀手。在2005年由世界卫生组织报告的调查指出，心血管疾病死亡人数占全球整体死亡人数的30％，约为1750多万人，并估计心血管疾病的死亡人数将迟续上升。在中国，心血管疾病的患病情况亦相当严重。每年死于心血管疾病占总死亡人数的45％，另一报告指出国内每年用于治疗心血管疾病的费用高达1300亿人民币。在心血管疾病中，高血压的患病情况尤其普遍，仅在中国已有1.6亿人患有高血压。因此，发展便携式、穿戴式并能长期地监测心率、血压、血氧饱和度等重要生理参数的监测装置，有助于降低心血管疾病的发病率，从而减轻个人及政府用于心血管疾病医疗服务的财政负担。 According to statistics in recent years, cardiovascular disease has become the number one killer. According to the survey reported by the World Health Organization in 2005, the death toll of cardiovascular disease accounts for 30% of the overall death toll in the world, about 17.5 million people, and it is estimated that the death toll of cardiovascular disease will continue to rise. In China, the prevalence of cardiovascular diseases is also quite serious. Cardiovascular disease accounts for 45% of the total death toll every year, and another report points out that the domestic annual cost of treating cardiovascular disease is as high as 130 billion RMB. Among cardiovascular diseases, high blood pressure is particularly prevalent, with 160 million people suffering from high blood pressure in China alone. Therefore, the development of portable, wearable and long-term monitoring devices for important physiological parameters such as heart rate, blood pressure, and blood oxygen saturation will help reduce the incidence of cardiovascular diseases, thereby reducing the cost of medical treatment for cardiovascular diseases by individuals and the government. Financial Burden of Services. the
血压测量仪大致分为侵入和非侵入式两类。侵入式血压测量方法，一般实施在接受手术、手术过后或需要深切治疗的病者身上。因为侵入式血压测量方法需要将道管直接地插入病人的动脉，所以进行侵入式血压测量时不但需要专业医护人员操作，而且造成的伤口也大大的增加病人受细菌感染的风险。因此，侵入式血压测量方法并不适用家庭或需要频繁进行血压测量的用户。取而代之，非侵入式血压监测量仪更适合家庭用户。 Blood pressure measuring devices are broadly classified into invasive and non-invasive types. Invasive blood pressure measurement methods are generally implemented on patients undergoing surgery, after surgery or in need of intensive treatment. Because the invasive blood pressure measurement method needs to directly insert the catheter into the patient's artery, the invasive blood pressure measurement not only requires the operation of professional medical personnel, but also greatly increases the risk of bacterial infection of the patient due to the wound. Therefore, the invasive blood pressure measurement method is not suitable for families or users who need frequent blood pressure measurements. Instead, non-invasive blood pressure monitoring gauges are more suitable for home users. the
现在，大部份的非侵入式电子血压监测仪在使用时需要为袖带充气。袖带式电子血压计多采用振荡法测量血压，使用时，用户需要一个可充气的袖带缠绕在手臂上，电子驱动泵自动的充气，使袖带内的压力上升至高于收缩压的某一个值，然后缓慢地放气。置于袖带内的压力传感器检测袖带内的压力振荡以决定血压值。收缩压及平均压分别是当袖带内的压力振荡幅度开始增加及压力振荡幅度达最大时的压力。舒张压则由收缩压和平均压估计出来。Currently, most non-invasive electronic blood pressure monitors need to inflate the cuff during use. The cuff-type electronic sphygmomanometer mostly uses the oscillation method to measure blood pressure. When using it, the user needs an inflatable cuff wrapped around the arm, and the electronic drive pump automatically inflates, so that the pressure in the cuff rises to a certain level higher than the systolic pressure. value, and then deflate slowly. A pressure sensor placed in the cuff detects pressure oscillations in the cuff to determine blood pressure. The systolic pressure and the mean pressure are the pressures when the amplitude of the pressure oscillation in the cuff starts to increase and the amplitude of the pressure oscillation reaches the maximum, respectively. Diastolic blood pressure was estimated from systolic and mean blood pressure.
但袖带式血压计一般存有以下缺点： However, the cuff type sphygmomanometer generally has the following disadvantages:
第一，袖带充气时令用户感到不适。频繁地使用袖带，甚至可能损害受压的皮肤组织和血管。 First, the cuff is uncomfortable for the user when inflated. Frequent use of the cuff may even damage compressed skin tissue and blood vessels. the
第二，由于袖带充气需要时间，袖带式装置需要较长时间才能完成一次测量，而且袖带式血压测量计只能提供间歇的血压值。 Second, because it takes time to inflate the cuff, the cuff-type device takes a long time to complete a measurement, and the cuff-type sphygmomanometer can only provide intermittent blood pressure values. the
第三，一般充气袖带的设计缠绕在用户的手臂或手腕上，测量时用户只能暂停活动并保持安静。 Third, the design of the general inflatable cuff is wrapped around the user's arm or wrist, and the user can only suspend the activity and keep quiet during the measurement. the
第四，袖带式血压测量装置包括泵和阀，测量计体积因此较大并且功耗高。 Fourth, cuff-type blood pressure measuring devices include pumps and valves, and the meters are therefore bulky and consume a lot of power. the
发明内容Contents of the invention
有鉴于此，有必要针对上述袖带式血压计使用不方便的问题，提供一种方便使用的生理参数监测装置。 In view of this, it is necessary to provide an easy-to-use physiological parameter monitoring device for the above-mentioned problem of inconvenient use of the cuff-type sphygmomanometer. the
一种生理参数监测装置，包括传感器单元、处理单元和通报单元；所述传感器单元包括第一生理传感器、第二生理传感器、压电装置电源和第一通讯模块；所述第一生理传感器包括电极、光电传感器及温度传感器；所述第二生理传感器包括两个电极；所述光电传感器用于采集血容积信号；所述温度传感器用于采集体温信号；所述第二生理传感器结合第一生理传感器的电极用于采集心电信号；所述第一通讯模块用于向处理单元传送心电信号、血容积信号和体温信号；所述处理单元对所述心电信号、血容积信号和体温信号进行处理，输出生理参数；所述生理参数包括心率、心率变化率、血压、血压变化率、血氧饱和度及体温；其中，所述处理单元根据所述心电信号进行处理输出心率变化率、根据所述心电信号和所述血容积信号进行处理输出血压及血压变化率、根据所述血容积信号进行处理输出血氧饱和度、根据所述体温信号输出体温；所述通报单元将生理参数以视觉或听觉的方式发布；所述压电装置电源用于将压力转化为电能，为生理参数监测装置供电及作为其开关； A physiological parameter monitoring device, comprising a sensor unit, a processing unit and a notification unit; the sensor unit comprises a first physiological sensor, a second physiological sensor, a piezoelectric device power supply and a first communication module; the first physiological sensor comprises an electrode , a photoelectric sensor and a temperature sensor; the second physiological sensor includes two electrodes; the photoelectric sensor is used to collect blood volume signals; the temperature sensor is used to collect body temperature signals; the second physiological sensor is combined with the first physiological sensor The electrodes are used to collect electrocardiographic signals; the first communication module is used to transmit electrocardiographic signals, blood volume signals and body temperature signals to the processing unit; Processing and outputting physiological parameters; the physiological parameters include heart rate, heart rate change rate, blood pressure, blood pressure change rate, blood oxygen saturation and body temperature; wherein, the processing unit processes and outputs the heart rate change rate according to the ECG signal, The ECG signal and the blood volume signal are processed to output blood pressure and blood pressure change rate, the blood volume signal is processed to output blood oxygen saturation, and the body temperature signal is output to body temperature; Published in a visual or auditory manner; the piezoelectric device power supply is used to convert pressure into electrical energy, power the physiological parameter monitoring device and act as its switch;
其中，所述第一生理传感器设置在左耳或右耳的耳门、耳垂、外耳道或耳壳部位，第一生理传感器的载体是耳夹；所述耳夹与皮肤两边接触面由海绵软垫铺成，第一生理传感器的电极设置在一个海绵软垫上，光电传感器及温度传感器设置在另一个海绵软垫上； Wherein, the first physiological sensor is arranged on the ear door, earlobe, external auditory canal or ear shell of the left or right ear, and the carrier of the first physiological sensor is an ear clip; the contact surface between the ear clip and the skin is covered by a sponge cushion The electrode of the first physiological sensor is set on a sponge cushion, and the photoelectric sensor and temperature sensor are set on another sponge cushion;
所述压电装置电源利用耳夹产生的压力转化为电能；所述耳夹中安装有小型电路板和第一通讯模块，所述耳夹还设有暗槽，用于收藏第一生理传感器的电极、小型电路板、第一通讯模块的电线； The piezoelectric device power supply utilizes the pressure generated by the ear clip to convert into electrical energy; a small circuit board and a first communication module are installed in the ear clip, and the ear clip is also provided with a dark groove for storing the first physiological sensor. Electrodes, small circuit boards, wires of the first communication module;
所述第二生理传感器设置在左手或右手的手腕、手指、前臂或上臂部位，第二生理传感器的载体是手表；所述第二生理传感器的两个电极安置在手表的表背或表带的表面上，让两个电极与用户手腕皮肤互相紧贴；如果电极装在表背上，电极是两块金属电极，表背的其余部分为绝缘物料，两块金属电极与内藏在手表中的小型电路板连接；如果电极装在表带上，电极使用电子织物制作，表带的其余部分为绝缘物料，电极通过暗藏在表带中的电线连接手表中的小型电路板。 The second physiological sensor is arranged on the wrist, finger, forearm or upper arm of the left or right hand, and the carrier of the second physiological sensor is a watch; the two electrodes of the second physiological sensor are arranged on the back of the watch or on the strap of the watch. On the surface, make the two electrodes and the user's wrist skin close to each other; if the electrodes are installed on the back of the watch, the electrodes are two metal electrodes, and the rest of the back of the watch is made of insulating materials. Small circuit board connection; if the electrodes are mounted on the strap, the electrodes are made of electronic fabric and the rest of the strap is insulating material, and the electrodes are connected to the small circuit board in the watch via wires hidden in the strap. the
优选的，所述耳夹用于夹在用户的耳门位置。 Preferably, the ear clip is used to clip the user's ear door. the
优选的，所述处理单元包括电源、第二通讯模块、集成电路、微处理单元；所述电源为处理单元和通报单元供电；所述第二通讯模块用于接收生物信号；所述集成电路用于对生物信号进行信号处理；所述微处理单元根据生物信号测量生理参数。 Preferably, the processing unit includes a power supply, a second communication module, an integrated circuit, and a micro-processing unit; the power supply supplies power to the processing unit and the notification unit; the second communication module is used to receive biological signals; Signal processing is performed on the biological signal; the micro-processing unit measures physiological parameters according to the biological signal. the
优选的，所述通报单元包括显示单元、发声单元、输入单元和预报单元；所述显示单元以视觉的方式发布生理参数；所述发声单元以听觉的方式发布生理参数；所述输入单元为用户提供输入功能；所述预报单元用于实时启动警报。 Preferably, the notification unit includes a display unit, a sound unit, an input unit, and a forecast unit; the display unit releases physiological parameters in a visual manner; the sound unit releases physiological parameters in an auditory manner; the input unit is a user An input function is provided; the forecast unit is used to activate an alarm in real time. the
优选的，所述处理单元和通报单元的载体是具有视觉或听觉通报功能的物品。 Preferably, the carrier of the processing unit and the notification unit is an item with a visual or audible notification function. the
优选的，所述具有视觉或听觉通报功能的物品是手表、音频播放器、视频播放器、电子游戏机、手提电脑、掌上计算机、手机中的一种。 Preferably, the item with visual or auditory notification function is one of watches, audio players, video players, electronic game consoles, laptop computers, palmtop computers, and mobile phones. the
上述生理参数监测装置是通过传感器采集生物信号，也就是说，传感器只需接触身体即可获取生物信号，不影响使用者的正常活动。并通过处理单元对生物信号进行处理，得到生理参数，通过通报单元将生理参数以视觉或听觉的方式发布。因此，上述生理参数监测装置具有使用方便的优点。而且，上述生理参数监测装置利用压电原理为生理传感器供电，可作为装置的开关及减少对电池的依赖，有效地减少功耗。 The above-mentioned physiological parameter monitoring device collects biological signals through sensors, that is to say, the sensors can acquire biological signals only by touching the body, without affecting the normal activities of the user. The biological signal is processed by the processing unit to obtain physiological parameters, and the physiological parameters are released visually or aurally by the notification unit. Therefore, the above physiological parameter monitoring device has the advantage of being convenient to use. Moreover, the above-mentioned physiological parameter monitoring device uses the piezoelectric principle to supply power to the physiological sensor, which can be used as a switch of the device and reduces the dependence on batteries, effectively reducing power consumption. the
附图说明Description of drawings
图1是生理参数监测装置第一实施方式的示意图。 Fig. 1 is a schematic diagram of a first embodiment of a physiological parameter monitoring device. the
图2是图1的第一生理传感器的示意图。 FIG. 2 is a schematic diagram of the first physiological sensor of FIG. 1 . the
图3是图1的第二生理传感器的示意图。 FIG. 3 is a schematic diagram of the second physiological sensor of FIG. 1 . the
图4是生理参数监测装置第二实施方式的示意图。 Fig. 4 is a schematic diagram of a second embodiment of a physiological parameter monitoring device. the
图5是图4的第一生理传感器的示意图。 FIG. 5 is a schematic diagram of the first physiological sensor of FIG. 4 . the
图6是图4的第二生理传感器的示意图。 FIG. 6 is a schematic diagram of the second physiological sensor of FIG. 4 . the
图7是生理参数监测装置的电路结构示意图。 Fig. 7 is a schematic diagram of the circuit structure of the physiological parameter monitoring device. the
具体实施方式Detailed ways
图1是生理参数监测装置第一实施方式的示意图。生理参数监测装置的第一生理传感器101可以放置在左耳或右耳部位，生理参数监测装置的第二生理传感器102可以放置在左手或右手部位。耳部的测量位置可以是耳门、耳垂、 外耳道或耳壳，手部的测量位置可以是手腕、手指、前臂或上臂。第一生理传感器101的载体是耳夹，第二生理传感器102的载体是手表。 Fig. 1 is a schematic diagram of a first embodiment of a physiological parameter monitoring device. The first
图2是图1的第一生理传感器101的示意图。耳夹与皮肤两边接触面用柔软的海绵软垫204铺成，避免在长期佩带时引起用户不舒服。电极205设置在一个海绵软垫204上，而光电传感器206及温度传感器207则设置在另一个海绵软垫204上。电极205可以是电子织物或金属电极。为增加电极205的柔软性，电极205以电子织物为优先选择。光电传感器206包括光发射器和光电感应器。光电传感器206及温度传感器207分别用于测量血容积信号及体温信号。当光发射器和光电感应器与使用者的耳门表面相贴近时，光发射器发射的光会被人身组织反射、透射或散射，光电感应器接收透过或反射的光。光电传感器206优选采用反射模式。第一生理传感器200的外壳为实色塑料，以黑色为优先选择，以减小环境光对血容积信号的影响。 FIG. 2 is a schematic diagram of the first
生理参数监测装置的压电装置电源208利用耳夹产生的压力转化为电能，为光电传感器206供电及作为信号测量的自动开关。 The piezoelectric
耳夹中还安装有电池电源、小型电路板和通讯模块，电池电源用于为小型电路板和通讯模块提供电能。耳夹还设有暗槽，用于收藏连接电极205、小型电路板、通讯模块的电线210。当用户戴上耳夹后，耳夹产生的压力使压电装置电源208产生电能以启动光电传感器206。如果压电装置电源208能提供足够的电源，耳夹中的电池电源可以省略。 A battery power supply, a small circuit board and a communication module are also installed in the ear clip, and the battery power supply is used to provide electric energy for the small circuit board and the communication module. The ear clip is also provided with a dark groove for storing the
图3是图1的第二生理传感器102的示意图。第二生理传感器102包括两个电极301，两个电极301连同第一生理传感器101的电极205用来采集人体的心电信号。该两个电极301可安置在手表300的表背302或表带303的表面上，让两个电极301与用户手腕皮肤互相紧贴。如果电极301装在表背302上，电极301可以是两块金属电极，表背302的其余部分必须为绝缘物料。两块金属电极与内藏在手表中的小型电路板连接。如果电极301装在表带303上，电极301则使用柔软的电子织物制作，表带303的其余部分必须为绝缘物料。电极301通过暗藏在表带303中的电线连接手表中的小型电路板。 FIG. 3 is a schematic diagram of the second
图4是生理参数监测装置第二实施方式的示意图。生理参数监测装置的第一生理传感器401和第二生理传感器402分别放置在左耳和右耳。测量位置可以是耳门、耳垂、外耳道或耳壳。在本实施方式中，以音频播放器为载体，因此，第一生理传感器401的载体可以是左耳收听器或右耳收听器，相应的，第二生理传感器402的载体可以是右耳收听器或左耳收听器。左耳收听器和右耳收听器的外壳采用柔软的物料制作，使传感器可紧贴用户的耳门及外耳道位置。 Fig. 4 is a schematic diagram of a second embodiment of a physiological parameter monitoring device. The first physiological sensor 401 and the second physiological sensor 402 of the physiological parameter monitoring device are respectively placed on the left ear and the right ear. The measurement location can be the ear door, earlobe, external auditory canal or ear shell. In this embodiment, the audio player is used as the carrier, therefore, the carrier of the first physiological sensor 401 can be the left ear listener or the right ear listener, and correspondingly, the carrier of the second physiological sensor 402 can be the right ear listener or the left ear listener. The shells of the left ear listener and the right ear listener are made of soft materials, so that the sensor can be close to the user's ear door and external auditory canal. the
图5是图4的第一生理传感器401的示意图。第一生理传感器401包括电极502、光电传感器503和温度传感器504。电极502安装在贴近外耳道的位置，光电传感器503放置在贴近耳门的位置以测量血容积信号，温度传感器504安装在收听器的下方来测试体温。 FIG. 5 is a schematic diagram of the first physiological sensor 401 in FIG. 4 . The first physiological sensor 401 includes an
此外，在贴近耳门501的一方还设有夹子505，柔软的夹着用户的门耳。夹子的颜色以黑色为优先考虑，以减小环境光对血容积信号的影响。夹子505产生的压力为压电装置电源506提供电能，用于为光电传感器503供电及作为信号测量的自动开关。 In addition, a
图6是图4的第二生理传感器402的示意图。第二生理传感器402包括两个电极602，分别放置在贴近外耳道和贴近耳门的位置。第二生理传感器402的电极602连同第一生理传感器的电极502一起测量心电信号。电极502、602可以是金属素材或电子织物。为避免弄伤用户的耳朵，优选电子织物为电极502、602的物料。收听器的外壳为实色塑料物料。第一生理传感器401和第二生理传感器402与音频播放器以有线或无线的方式连接，并将检测的生理信号传送到音频播放器处理。 FIG. 6 is a schematic diagram of the second physiological sensor 402 of FIG. 4 . The second physiological sensor 402 includes two
图7是生理参数监测装置的电路结构示意图。生理参数监测装置包括传感器单元、处理单元及通报单元。传感器单元包括第一生理传感器、第二生理传感器、压电装置电源及第一通讯模块。处理单元包括电源、第二通讯模块、集成电路、微处理单元。通报单元包括显示单元、发声单元、输入单元和预报单元。 Fig. 7 is a schematic diagram of the circuit structure of the physiological parameter monitoring device. The physiological parameter monitoring device includes a sensor unit, a processing unit and a notification unit. The sensor unit includes a first physiological sensor, a second physiological sensor, a piezoelectric device power supply and a first communication module. The processing unit includes a power supply, a second communication module, an integrated circuit, and a micro-processing unit. The notification unit includes a display unit, a sound unit, an input unit and a forecast unit. the
在第一实施方式中，传感器单元的载体为手表和耳夹，处理单元及通报单元的载体是手表。在第二实施方式中，传感器单元的载体是音频播放器的左耳收听器和右耳收听器，处理单元和通报单元的载体是音频播放器的主体。此外，传感器单元的载体还可以是头带、耳机、耳筒、耳罩、眼镜、潜水镜、耳环、助听器等与用户耳朵接触的物品。处理单元和通报单元的载体还可以是视频播放器、电子游戏机、手提电脑、掌上计算机、手机等具有视觉或听觉通报功能的个人物品。 In the first embodiment, the carrier of the sensor unit is a watch and the ear clip, and the carriers of the processing unit and the notification unit are watches. In the second embodiment, the carriers of the sensor unit are the left and right ear listeners of the audio player, and the carriers of the processing unit and the notification unit are the main body of the audio player. In addition, the carrier of the sensor unit may also be an item in contact with the user's ear, such as a headband, earphone, earmuff, earmuff, glasses, diving goggles, earrings, and a hearing aid. The carriers of the processing unit and the notification unit can also be video players, electronic game consoles, laptop computers, palmtop computers, mobile phones and other personal items with visual or auditory notification functions. the
用户使用生理参数监测装置时，注意传感器单元内的所有生理传感器必须紧贴用户皮肤，并启动电源。传感器单元内的压电装置电源因为压力而产生电能，自动的启动信号检测，并为部分或全部生理传感器供电。生理传感器中的光电传感器连续地测量血容积信号，而温度传感器间断地检测体温信号。 When the user uses the physiological parameter monitoring device, it should be noted that all the physiological sensors in the sensor unit must be close to the user's skin and the power should be turned on. The piezoelectric device power supply in the sensor unit generates electric energy due to pressure, automatically activates signal detection, and supplies power to some or all of the physiological sensors. The photoelectric sensor in the physiological sensor continuously measures the blood volume signal, while the temperature sensor detects the body temperature signal intermittently. the
同时，电极连续地测量心电信号。第一通讯模块把三个生物信号由测量位置传送到处理单元和通报单元，以进行信号处理及检测生理参数。在第一实施方式中，手表和耳夹以无线方式连接，而且在传感器单元和处理单元分别置有压电装置电源和电源。电源同时为处理单元和通报单元供电。在第二实施方式中，收听器的传感器单元和主体的处理单元可以是有线或无线通讯方式连接。若收听器和主体以有线通讯方式连接，传感器单元、处理单元和通报单元可共享电源、压电装置电源成为装置开关。如果收听器和主体以无线通讯方式连接，压电装置电源可以为部分或全部生理传感器供电，处理单元和通报单元可共享电源。 At the same time, the electrodes continuously measure the ECG signal. The first communication module transmits the three biological signals from the measuring position to the processing unit and the notification unit for signal processing and detection of physiological parameters. In the first embodiment, the watch and the ear clip are connected wirelessly, and the sensor unit and the processing unit are respectively equipped with a piezoelectric device power supply and a power supply. The power supply supplies power to the processing unit and the notification unit at the same time. In the second embodiment, the sensor unit of the listener and the processing unit of the main body may be connected by wired or wireless communication. If the listener and the main body are connected by wired communication, the sensor unit, the processing unit and the reporting unit can share the power supply, and the power supply of the piezoelectric device becomes a device switch. If the listener and the main body are connected by wireless communication, the power supply of the piezoelectric device can supply power to some or all of the physiological sensors, and the processing unit and the reporting unit can share the power supply. the
当处理单元的第二通讯模块接收到生物信号后，该生物信号会经过集成电路以进行信号处理(包括信号放大及滤波，以去除噪声及改善信噪比)。第一通讯模块和第二通讯模块的有线通讯方式包括用电线作为物料，而无线通讯方式则可以是蓝牙、UWB、WiFi、ZigBee或WLAN等其它无线通讯方法。经过放大及滤波处理后的生物信号将由处理单元内的微处理器从检测到的生物信号测量各种生理参数(包括心率、心率变化率、血压、血压变化率、血氧饱和度及体温)。这些生理参数会在通报单元内的显示单元及发声单元以视觉或听觉 方式发布。显示单元包括一个显示屏、输入单元设有简单的按钮为用户提供输入功能。发声单元设有响闹装置，以通告测量生理参数的结果。此外，通报单元还包括预报单元，当被检测的一个或以上的生理参数出现不正常状况时，预报单元实时启动警报，以指示用户注意身体状况。 When the second communication module of the processing unit receives the biosignal, the biosignal will pass through the integrated circuit for signal processing (including signal amplification and filtering to remove noise and improve signal-to-noise ratio). The wired communication method of the first communication module and the second communication module includes using wires as materials, while the wireless communication method can be other wireless communication methods such as Bluetooth, UWB, WiFi, ZigBee or WLAN. The amplified and filtered biological signal will be measured by the microprocessor in the processing unit to measure various physiological parameters (including heart rate, heart rate change rate, blood pressure, blood pressure change rate, blood oxygen saturation and body temperature) from the detected biological signal. These physiological parameters will be released in a visual or auditory manner on the display unit and the sound unit in the notification unit. The display unit includes a display screen, and the input unit is provided with simple buttons to provide input functions for users. The sounding unit is provided with an alarm device to announce the results of measuring physiological parameters. In addition, the notification unit also includes a forecast unit. When one or more detected physiological parameters appear abnormal, the forecast unit activates an alarm in real time to instruct the user to pay attention to the physical condition. the
本发明主要利用血容积信号、心电信号和体温信号计算各种不同的生理参数。例如，心率可以从心电信号R波的时间间隔算出。心率变化率可以在每个心动周期的心率统计，如一连数个心动周期的心率的标准差。血压可以由心电信号和血容积信号得到的脉搏波传输时间测量。脉搏波传输时间可以由心电信号上的参考点和同一个心动周期内血容积信号检测到的脉搏波上的参考点来确定。利用脉搏波传输时间测量血压前，用户需进行较准程序以得到一个或以上的个人系数。血压变化率可以是每搏血压的相差或是指定时间间隔内，如每一分钟数个心动周期的血压的标准差。血氧饱和度可以从血容积信号中测量到。 The present invention mainly uses blood volume signals, electrocardiographic signals and body temperature signals to calculate various physiological parameters. For example, the heart rate can be calculated from the time interval of the R wave of the electrocardiographic signal. The rate of change of the heart rate can be counted on the heart rate of each cardiac cycle, such as the standard deviation of the heart rate of several consecutive cardiac cycles. Blood pressure can be measured from pulse wave transit time obtained from electrocardiographic signals and blood volume signals. The pulse wave transit time can be determined from the reference point on the ECG signal and the reference point on the pulse wave detected by the blood volume signal in the same cardiac cycle. Before using pulse wave transit time to measure blood pressure, the user needs to perform a calibration procedure to obtain one or more personal coefficients. The rate of change of blood pressure can be the difference of beat-to-beat blood pressure or the standard deviation of blood pressure within a specified time interval, such as several cardiac cycles per minute. Oxygen saturation can be measured from the blood volume signal. the
上述生理参数监测装置以无损方式监测多项个人生理参数。上述生理参数监测装置优选从使用者耳门上检测所需要的生理信号，在使用时为用户带来方便，适合用于需要经常测量血压及特别照顾的人士(如年长老人、心血管疾病患者等)。此外，上述生理参数监测装置设有压电装置电源，可为部分或全部生理传感器供电及作为装置的开关，减少功耗及对电池的依赖。 The above physiological parameter monitoring device monitors multiple personal physiological parameters in a non-destructive manner. The above-mentioned physiological parameter monitoring device preferably detects the required physiological signals from the user's ear door, which brings convenience to the user during use, and is suitable for people who need frequent blood pressure measurement and special care (such as the elderly, patients with cardiovascular diseases, etc.) ). In addition, the above-mentioned physiological parameter monitoring device is equipped with a piezoelectric device power supply, which can supply power to some or all of the physiological sensors and serve as a switch of the device, reducing power consumption and dependence on batteries. the
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。 The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims. the
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