CN218572203U - A portable multifunctional vital sign monitoring device - Google Patents
A portable multifunctional vital sign monitoring deviceDownload PDFInfo
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Abstract
Description
Translated fromChinese技术领域technical field
本实用新型属于医疗检测设备领域，具体涉及一种便携式多功能生命体征监测设备。The utility model belongs to the field of medical detection equipment, in particular to a portable multifunctional vital sign monitoring equipment.
背景技术Background technique
目前临床上使用的同类设备为心电监护仪。心电监护仪一般体积较大，且佩戴之后患者活动范围较局限，日常生活受到一定程度的影响，且增加了如VTE、心理焦虑和压力性损伤等情况发生的风险。本设计可便于患者日常活动、减轻医护工作量及加强医患联系。The similar equipment currently used clinically is the ECG monitor. ECG monitors are generally large in size, and after wearing them, the range of activities of patients is limited, which affects daily life to a certain extent, and increases the risk of conditions such as VTE, psychological anxiety, and pressure injuries. This design can facilitate patients' daily activities, reduce the workload of medical staff and strengthen the relationship between doctors and patients.
现有的便携式心电检测设备一般检测电极较少与传统心电检测相比检测误差较大，如何能够实现多电极检测并实现方便携带是一大技术难题。Existing portable ECG detection equipment generally has fewer detection electrodes and larger detection errors than traditional ECG detection. How to realize multi-electrode detection and realize easy portability is a major technical problem.
发明内容Contents of the invention
针对上述现有技术，本实用新型的目的是提出一种便携式多功能生命体征监测设备。In view of the above prior art, the purpose of this utility model is to propose a portable multifunctional vital sign monitoring device.
本实用新型的技术方案是这样实现的：一种便携式多功能生命体征监测设备，包括电极马甲、气囊马甲、电极片和袖带主机，袖带主机可如同袖带固定在手臂上并设有供电电源、显示屏幕、操作按钮、血压检测气囊、气泵和控制系统，气泵受控制系统控制定时往血压检测气囊充气使得控制系统可定时获得血压信息，电极马甲上可固定电极片，电极片可将电信号传递到袖带主机，气囊马甲位于电极马甲外部且可固定到电极马甲上可视电极片接触情况向气囊马甲内部气囊充气使得电极马甲上的电极片可以与皮肤接触更紧密。气囊马甲可以采用同一气泵供气并提供电磁阀控制。电极马甲和气囊马甲都和普通马甲类似可穿戴即可，不过在不需要电极的地方可以镂空增加透气性和舒适度，不镂空不影响功能。The technical scheme of the utility model is realized in the following way: a portable multifunctional vital sign monitoring device, including an electrode vest, an airbag vest, an electrode sheet and a cuff host, the cuff host can be fixed on the arm like a cuff and is equipped with a power supply Power supply, display screen, operation buttons, blood pressure detection airbag, air pump and control system. The air pump is controlled by the control system to inflate the blood pressure detection airbag at regular intervals so that the control system can obtain blood pressure information regularly. The signal is transmitted to the cuff host, and the airbag vest is located outside the electrode vest and can be fixed to the electrode vest to inflate the airbag inside the airbag vest so that the electrode pads on the electrode vest can be in closer contact with the skin. The air bag vest can use the same air pump to supply air and provide solenoid valve control. Both the electrode vest and the airbag vest are wearable like ordinary vests, but they can be hollowed out to increase breathability and comfort in places where electrodes are not needed, and no hollowing will not affect the function.
这样设计的有益效果是与传统监测设备相比方便携带。设计理念科学、实用。各构造设计合理，功能齐全、体积较小，便于患者携带，对日常生活影响较小。可设计无线功能，方便医护观察，减少医护奔波。加强患者安全管理，一定程度上减少安全隐患。也可以平时居家监测使用。The beneficial effect of this design is that it is more convenient to carry than traditional monitoring equipment. The design concept is scientific and practical. Each structure has reasonable design, complete functions, and small volume, which is convenient for patients to carry and has little impact on daily life. The wireless function can be designed to facilitate medical observation and reduce the rush of medical staff. Strengthen patient safety management and reduce potential safety hazards to a certain extent. It can also be used for daily home monitoring.
进一步地，电极马甲上在人体心电检测位置附近规则排布多个孔洞，电极片上设有多根电极针且电极针可插入并固定在孔洞内，电极马甲内部设有可更换的网格短袖，网格短袖在电极可能放置位置采用粗网格布料以便于电极片上的电极针穿过网格布料与皮肤接触。这样可以多人使用更换短袖并对电极针消毒即可，电极针采用可拆卸设计或电机片整体采用可拆卸设计这样方便消毒。Further, a plurality of holes are regularly arranged on the electrode vest near the detection position of the human body's ECG. The electrode sheet is provided with a plurality of electrode needles which can be inserted into and fixed in the holes, and a replaceable grid short is arranged inside the electrode vest. Sleeves, mesh short sleeves are made of coarse mesh cloth where the electrodes may be placed so that the electrode needles on the electrode pad can pass through the mesh cloth and contact the skin. In this way, many people can use it to replace the short sleeve and disinfect the electrode needle. The electrode needle adopts a detachable design or the whole motor piece adopts a detachable design, which is convenient for disinfection.
进一步地，电极针设计成两头大中间小的结构且一端成光滑的球面另一端为阶梯轴形，电极针阶梯轴一端设有可伸缩的波纹管状气囊且波纹管状气囊充气时可推动电极针向远离电极片方向移动一定距离，波纹管状气囊尾部设有导管与气泵连接并通过阀门控制，电极针上设有弹簧使得波纹管状气囊泄气后可将电极针推向电极片即缩回电极针。这样设计电极接触更可靠。Furthermore, the electrode needle is designed to have two ends with a large middle and a small structure, and one end is a smooth spherical surface and the other end is in the shape of a stepped shaft. One end of the electrode needle stepped shaft is provided with a retractable bellows-shaped air bag, and the bellows-shaped air bag can push the electrode needle to the direction when inflated. Move a certain distance away from the electrode sheet. The tail of the bellows airbag is connected to the air pump with a catheter and controlled by a valve. The electrode needle is equipped with a spring so that the bellows airbag is deflated and the electrode needle can be pushed to the electrode sheet. This design electrode contact is more reliable.
进一步地，电极针至少分为两组可切换工作状态即一组缩回一组可伸出且相邻的电极针处于不同组。这样避免同一位置长期受到挤压。Further, the electrode needles are divided into at least two groups of switchable working states, that is, one group is retractable and the other is extendable, and the adjacent electrode needles are in different groups. This prevents the same position from being squeezed for a long time.
进一步地，电极马甲设有多根可调整马甲大小的宽带使得不同身材的人可以使用同一马甲。这样可以有更多适应人群减少生产型号降低生产成本。Further, the electrode vest is provided with multiple wide bands that can adjust the size of the vest so that people of different sizes can use the same vest. In this way, more people can be adapted to reduce production models and reduce production costs.
进一步地，电极马甲上设有多个气孔与气管连接使得气泵可以往电极马甲内部吹气。这样更干爽舒适。Further, the electrode vest is provided with a plurality of air holes connected to the air pipe so that the air pump can blow air into the electrode vest. This makes you drier and more comfortable.
进一步地，该设备主体为显示屏即主机与血压袖带组合形成类似腕式血压计，市场已有小型心电监护仪，血压袖带可监测血压和脉搏：袖带类型可根据病情更换，以肱动脉测量为准或以桡动脉测量为准，腕式血压计即以桡动脉测量为准；显示屏有一定重量，建议以肱动脉测量为准，佩戴更便宜，不影响患者日常活动；腕式可参考运动手环测量脉搏及血氧饱和度原理，随时测量脉搏和血氧饱和度。该设备配有血氧饱和度探头，可监测血氧饱和度和脉搏：探头可采用无线依靠蓝牙连接或有线与一般心电监护仪一样，血氧饱和度探头有导线与主机相连，探头尽量缩小体积，市场上有指环式血氧仪，较临床使用更为小巧；也可使用无线挂耳式，临床有血氧饱和度耳夹式探头。Furthermore, the main body of the device is a display screen, that is, the combination of the host and the blood pressure cuff forms a wrist-type sphygmomanometer. There are small ECG monitors in the market, and the blood pressure cuff can monitor blood pressure and pulse: the cuff type can be replaced according to the condition, and the Brachial artery measurement shall prevail or radial artery measurement shall prevail. Wrist sphygmomanometers shall refer to radial artery measurement; the display screen has a certain weight, so it is recommended to use brachial artery measurement as the standard, which is cheaper to wear and does not affect patients' daily activities; The formula can refer to the principle of measuring pulse and blood oxygen saturation with a sports bracelet, and measure pulse and blood oxygen saturation at any time. The device is equipped with a blood oxygen saturation probe, which can monitor blood oxygen saturation and pulse: the probe can be wireless, rely on bluetooth connection or wired. Like the general ECG monitor, the blood oxygen saturation probe has a wire connected to the host, and the probe should be as small as possible Size, there are ring-type oximeters on the market, which are smaller than clinical use; wireless ear-mounted types can also be used, and clinically available blood oxygen saturation ear clip-on probes.
该设备配有心电导联，可监测心电活动、心率及呼吸：心电导联与主机的连接可选择有线或者蓝牙；蓝牙式可根据病情选择胸背带式本体电极和心电导联线连接的三导联或者五导联将心电导联线与胸背带连接，不易掉落，参考市场正在售卖的无线心电记录仪，或本体电极粘贴式迷你智能动态心电记录仪。The device is equipped with ECG leads, which can monitor ECG activity, heart rate and respiration: the connection between the ECG leads and the host can be wired or bluetooth; the Bluetooth type can be selected according to the condition. Connect the ECG lead line to the chest strap with two or five leads, so that it is not easy to fall off. Refer to the wireless ECG recorder currently on the market, or the mini intelligent dynamic ECG recorder with body electrode paste.
该设备与一般心电监护仪一样，主机可记录所有生命体征监测信息、异常生命体征报警，并可传输至网络。The device is the same as the general ECG monitor, the host can record all vital signs monitoring information, abnormal vital signs alarm, and can transmit to the network.
该设备除患者使用机型，还配有护士端类似智能手表样式及中央控制台。患者端生命体征可全部无线传输至护士端及中央控制台。医生护士均可在中央控制台查看所有患者生命体征。主管护士端主机界面分为主菜单和副菜单，设置所管患者，则所管患者的信息显示于主菜单，主管护士可随时查看所管患者生命体征。其他病人信息缩小于副菜单，需要时查看。In addition to the model used by patients, the device is also equipped with a nurse-side smart watch-like style and a central console. The vital signs of the patient can be transmitted wirelessly to the nurse and the central console. Doctors and nurses can check the vital signs of all patients on the central console. The host interface of the nurse in charge is divided into a main menu and a sub-menu. If the patient is set, the information of the patient in charge will be displayed in the main menu, and the nurse in charge can check the vital signs of the patient at any time. Additional patient information is narrowed down to the side menu, view it as needed.
该设备兼有语音通话及视频通话功能，护士端配有无线耳机，方便医护联系。患者生命体征异常时，护士可拔打通话确认患者状态。The device has both voice call and video call functions, and the nurse end is equipped with wireless earphones, which is convenient for doctors and nurses to contact. When the patient's vital signs are abnormal, the nurse can make a call to confirm the patient's status.
例如午休或者夜间等时间段，病房走廊可关闭呼叫铃，患者可通过该设备呼叫护士，保持病房安静，减少噪音污染，有利于其他患者休息。For example, during lunch break or night time, the call bell can be turned off in the corridor of the ward, and the patient can call the nurse through the device to keep the ward quiet, reduce noise pollution, and help other patients to rest.
患者呼叫按键可分类为“换液”、“输液结束”、“身体不适”和“其他帮助”等，患者正确选择可方便护士了解该患者状态，护士也可直接通话确认患者需求，护士进病房前可做好准备，减少临床来回奔波及无用功，减轻医护压力。The patient call button can be classified into "change fluid", "end of infusion", "discomfort" and "other help". The correct selection of the patient can facilitate the nurse to understand the patient's status. The nurse can also directly call to confirm the patient's needs, and the nurse enters the ward Prepare well in advance, reduce clinical back-and-forth and useless work, and reduce the pressure on medical staff.
护士端可遥控操作患者端，达到实时测量患者生命体征的目的；且护士为患者进行操作时，例如输液、皮试等操作，护士可在护士端操作，为患者设定时间闹钟，时间到提醒护士及患者：例如夜间输注液体时，患者及陪护困顿极易入睡，无法及时观察输液情况，护士设定时间后，及时观察，防止因遗忘等原因造成过失。The nurse terminal can remotely operate the patient terminal to achieve the purpose of real-time measurement of the patient's vital signs; and when the nurse performs operations for the patient, such as infusion, skin test, etc., the nurse can operate on the nurse terminal, set the time alarm clock for the patient, and remind the patient when the time is up Nurses and patients: For example, when infusing fluids at night, patients and escorts are sleepy and easily fall asleep, and cannot observe the infusion situation in time. After the nurse sets the time, observe in time to prevent mistakes caused by forgetting and other reasons.
该设备配有定位、感应设备，可判断患者所处位置，便于寻找因失智、迷路等其他原因导致走失的患者。医院各科室可配有科室感应设备，该设备感应不到科室设备后，即表明患者离开科室，信息传至护士端，提醒护士留心患者去向；医院各处可配有医院感应设备，该设备离开科室后与医院设备关联，当该设备与科室设备和医院设备均无关联，即表明患者离开医院，信息传至护士端，提醒护士留心患者去向，预防患者私自离院或走失。The device is equipped with positioning and sensing equipment, which can determine the location of the patient and facilitate the search for patients who are lost due to dementia, getting lost and other reasons. Each department of the hospital can be equipped with a department sensing device. After the device fails to detect the department equipment, it indicates that the patient has left the department, and the information is sent to the nurse to remind the nurse to pay attention to the whereabouts of the patient; the hospital can be equipped with hospital sensing devices. After the department is associated with the hospital equipment, when the equipment is not associated with the department equipment and hospital equipment, it means that the patient has left the hospital, and the information is sent to the nurse to remind the nurse to pay attention to the whereabouts of the patient and prevent the patient from leaving the hospital or getting lost.
患者离开本科室后，如遇心搏骤停、突发不适时旁边无人等情况，报警信息发送至就近科室和原科室。患者清醒时护士可与之通话判断所在位置甚至通过视频通话观察患者当前状况，患者无法沟通时可根据患者设备感应到的感应设备判断患者所在大致区域。After the patient leaves the department, if there is no one around when there is a sudden cardiac arrest or sudden discomfort, the alarm information will be sent to the nearest department and the original department. When the patient is awake, the nurse can talk to him to determine the location or even observe the patient's current situation through video calls. When the patient cannot communicate, he can judge the general area of the patient based on the sensing device sensed by the patient's device.
护士端亦配有感应设备。当患者端与护士端设备小于一定距离后，两方感应，可以判断护士在患者身旁，可表明护士巡房成功，避免虚假巡房。Nurses are also equipped with sensing devices. When the distance between the patient end and the nurse end equipment is less than a certain distance, the two parties can sense that the nurse is beside the patient, which can indicate that the nurse's ward round is successful and avoid false ward rounds.
该设备护士端可为患者设置治疗时间，超时未操作则不间断提醒护士。例如血糖测量、体温高复测等，避免护士遗忘操作耽误病情观察。The nurse terminal of the device can set the treatment time for the patient, and the nurse will be reminded continuously if there is no operation after the timeout. For example, blood sugar measurement, high body temperature re-test, etc., to prevent nurses from forgetting operations and delaying disease observation.
附图说明Description of drawings
图1为本实用新型一种便携式多功能生命体征监测设备整体外观示意图；Figure 1 is a schematic diagram of the overall appearance of a portable multifunctional vital sign monitoring device of the present invention;
图2为本实用新型一种便携式多功能生命体征监测设备无气囊马甲示意图；Fig. 2 is a schematic diagram of a portable multifunctional vital sign monitoring device without an airbag of the utility model;
图3为本实用新型一种便携式多功能生命体征监测设备电极马甲示意图；Fig. 3 is a schematic diagram of an electrode vest of a portable multifunctional vital sign monitoring device of the present invention;
图4为本实用新型一种便携式多功能生命体征监测设备电极片立体示意图；Fig. 4 is a three-dimensional schematic diagram of an electrode sheet of a portable multifunctional vital sign monitoring device of the present invention;
图5为本实用新型一种便携式多功能生命体征监测设备电极片截面示意图。Fig. 5 is a schematic cross-sectional view of an electrode sheet of a portable multifunctional vital sign monitoring device of the present invention.
具体实施方式Detailed ways
根据需要，在本文中公开了本实用新型的详细实施例，但应了解所公开的实施例只是示范本实用新型，本实用新型可以不同和替代形式实施。附图未必按照比例绘制，且某些特点可被夸大或缩小以示出特定构件的细节。因此，本文所公开的具体结构和功能细节不应被理解为具有限制意义，而是仅作为代表性基础以教导本领域技术人员不同地采用本实用新型。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。As required, detailed embodiments of the invention are disclosed herein, but it should be understood that the disclosed embodiments are only exemplary of the invention, which may be embodied in different and alternative forms. The figures are not necessarily to scale and certain features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted in limiting senses, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
如图1、图2、图3、图4和图5所示，一种便携式多功能生命体征监测设备，包括电极马甲1、气囊马甲2、电极片3和袖带主机4，袖带主机4可如同袖带固定在手臂上并设有供电电源、显示屏幕、操作按钮、血压检测气囊、气泵和控制系统，气泵受控制系统控制定时往血压检测气囊充气使得控制系统可定时获得血压信息，电极马甲1上可固定电极片3，电极片3可将电信号传递到袖带主机4，气囊马甲2位于电极马甲1外部且可固定到电极马甲1上可视电极片3接触情况向气囊马甲2内部气囊充气使得电极马甲1上的电极片3可以与皮肤接触更紧密。电极马甲1上在人体心电检测位置附近规则排布多个孔洞6，电极片3上设有多根电极针7且电极针7可插入并固定在孔洞6内，电极马甲1内部设有可更换的网格短袖8，网格短袖8在电极针7可能放置位置采用粗网格布料以便于电极片3上的电极针7穿过网格布料与皮肤接触。电极针7设计成两头大中间小的结构且一端成光滑的球面另一端为阶梯轴形，电极针7阶梯轴一端设有可伸缩的波纹管状气囊9且波纹管状气囊9充气时可推动电极针7向远离电极片3方向移动一定距离，波纹管状气囊9尾部设有导管与气泵连接并通过阀门控制，电极针7上设有弹簧使得波纹管状气囊9泄气后可将电极针7推向电极片3即缩回电极针7。电极针7至少分为两组可切换工作状态即一组缩回一组可伸出且相邻的电极针7处于不同组。电极马甲1设有多根可调整电极马甲1大小的宽带使得不同身材的人可以使用同一马甲。电极马甲1上设有多个气孔与气管连接使得气泵可以往电极马甲1内部吹气，电池5固定在袖带内且袖带可固定到手臂上。该设备主体为显示屏即主机与血压袖带组合形成类似腕式血压计，市场已有小型心电监护仪，血压袖带可监测血压和脉搏：袖带类型可根据病情更换，以肱动脉测量为准或以桡动脉测量为准，腕式血压计即以桡动脉测量为准；显示屏有一定重量，建议以肱动脉测量为准，佩戴更便宜，不影响患者日常活动；腕式可参考运动手环测量脉搏及血氧饱和度原理，随时测量脉搏和血氧饱和度。该设备配有血氧饱和度探头，可监测血氧饱和度和脉搏：探头可采用无线依靠蓝牙连接或有线与一般心电监护仪一样，血氧饱和度探头有导线与主机相连，探头尽量缩小体积，市场上有指环式血氧仪，较临床使用更为小巧；也可使用无线挂耳式，临床有血氧饱和度耳夹式探头。该设备配有心电导联，可监测心电活动、心率及呼吸：心电导联与主机的连接可选择有线或者蓝牙；蓝牙式可根据病情选择胸背带式本体电极和心电导联线连接的三导联或者五导联将心电导联线与胸背带连接，不易掉落，参考市场正在售卖的无线心电记录仪，或本体电极粘贴式迷你智能动态心电记录仪。该设备与一般心电监护仪一样，主机可记录所有生命体征监测信息、异常生命体征报警，并可传输至网络。该设备除患者使用机型，还配有护士端类似智能手表样式及中央控制台。患者端生命体征可全部无线传输至护士端及中央控制台。医生护士均可在中央控制台查看所有患者生命体征。主管护士端主机界面分为主菜单和副菜单，设置所管患者，则所管患者的信息显示于主菜单，主管护士可随时查看所管患者生命体征。其他病人信息缩小于副菜单，需要时查看。该设备兼有语音通话及视频通话功能，护士端配有无线耳机，方便医护联系。患者生命体征异常时，护士可拔打通话确认患者状态。例如午休或者夜间等时间段，病房走廊可关闭呼叫铃，患者可通过该设备呼叫护士，保持病房安静，减少噪音污染，有利于其他患者休息。患者呼叫按键可分类为“换液”、“输液结束”、“身体不适”和“其他帮助”等，患者正确选择可方便护士了解该患者状态，护士也可直接通话确认患者需求，护士进病房前可做好准备，减少临床来回奔波及无用功，减轻医护压力。护士端可遥控操作患者端，达到实时测量患者生命体征的目的；且护士为患者进行操作时，例如输液、皮试等操作，护士可在护士端操作，为患者设定时间闹钟，时间到提醒护士及患者：例如夜间输注液体时，患者及陪护困顿极易入睡，无法及时观察输液情况，护士设定时间后，及时观察，防止因遗忘等原因造成过失。该设备配有定位、感应设备，可判断患者所处位置，便于寻找因失智、迷路等其他原因导致走失的患者。医院各科室可配有科室感应设备，该设备感应不到科室设备后，即表明患者离开科室，信息传至护士端，提醒护士留心患者去向；医院各处可配有医院感应设备，该设备离开科室后与医院设备关联，当该设备与科室设备和医院设备均无关联，即表明患者离开医院，信息传至护士端，提醒护士留心患者去向，预防患者私自离院或走失。患者离开本科室后，如遇心搏骤停、突发不适时旁边无人等情况，报警信息发送至就近科室和原科室。患者清醒时护士可与之通话判断所在位置甚至通过视频通话观察患者当前状况，患者无法沟通时可根据患者设备感应到的感应设备判断患者所在大致区域。护士端亦配有感应设备。当患者端与护士端设备小于一定距离后，两方感应，可以判断护士在患者身旁，可表明护士巡房成功，避免虚假巡房。该设备护士端可为患者设置治疗时间，超时未操作则不间断提醒护士。例如血糖测量、体温高复测等，避免护士遗忘操作耽误病情观察。该设备采用低功耗心电采集芯片ADS1191和低功耗单片机MSP430F2112组成信号采集电路，采集的心电信号可通过蓝牙传输到通信终端进行显示和分析；并利用无线传输和无线充电技术使整个设备完全密封，实现了防水功能，符合医疗安全标准。系统结构及设计可穿戴式无线心电记录仪应具备功耗低、体积小、处理速度高的特性。心电记录仪软件开发环境采用IAR公司为MSP430单片机设计的交叉编译器IAR Embedded Workbench，编写语言为C语言。无线充电技术源于无线电力输送技术，市场比较主流的无线充电技术主要通过3种方式(电磁感应、无线电波及共振作用)实现。无线充电模块选用Qi无线充电技术和BQ24201充电器实现。Qi是全球首个推动无线充电技术的标准化组织-无线充电联盟(WPC)推出的“无线充电”标准，具备便捷性和通用性两大特征。Qi无线充电技术利用磁共振在充电器与设备之间的空气中传输电荷，线圈和电容器则在充电器与设备之间形成共振，实现电能的高效传输，其基本原理是在两个线圈间形成共振从而实现电能的无线传输。BQ24201是一种用于锂离子电池或者锂聚合物的充电器，将内部高精度电压调节、功率MOSFET、温度监控、充电状态及充电终止电路集成在一个芯片上；外围元件少，节省空间及成本。电源管理模块选用BQ24312作为锂离子充电器的前端保护方案，可提供4.25V的过压保护；选用ADuM5000实现电源隔离，ADuM5000是一款基于ADI公司技术的隔离式DC/DC转换器，可为后续电路提供5V电源隔离。锂电池经MIC5205LB稳压芯片为ADS1191、MSP430F2112以及蓝牙模块提供稳定的3.3V数字电压和模拟电压。As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a portable multifunctional vital sign monitoring device includes an
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