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使用胰岛素泵进行闭环操作的连续血糖监测仪(CGM)

概览

简介

监测血糖水平对糖尿病患者来说至关重要。 连续血糖监测仪(CGM)是一种可穿戴式医疗设备,可为胰岛素泵等接口和/或胰岛素治疗系统提供近乎实时的数据。 这有助于患者保持最佳血糖水平并预防并发症。

CGM 会频繁测量血糖,通常每几分钟测量一次,与指尖血糖仪相比,能更快地做出反应。 先进的 CGM 可以与胰岛素泵连接,自动调节胰岛素的给药量,从而改善血糖控制,使患者更放心。

瑞萨电子的 CGM 用于与胰岛素泵进行闭环操作,具有强大的信息安全性和设计紧凑性,而且其采用的符合标准的模块和解决方案,可缩短医疗设备开发的上市时间。

系统优势:

  • 模块化设计,配有可拆卸的传感器机械和电子设备:
    • 用户只需要更换传感器电极(机械)并保留电子设备,无需丢弃整个组件。
    • 延长使用寿命,提高成本效益。
    • 完全密封的可充电电池,使用 NFC-WLC 延长电子寿命。
  • 与胰岛素泵完成闭环组合功能,实现可扩展的胰岛素治疗系统设计:
    • 使用电化学阻抗谱实现高精度。
    • 通过 NFC 通信和按钮实现安全的蓝牙®低功耗(LE)连接。
  • NFC 系统具有最低的 BOM 数量和直接天线连接,确保了很小的设计占用空间。
  • 使用蓝牙 LE 5 在各种设备上方便地可视化,从而提高稳定性、安全性、结构性和能效。
  • MCU 通过了《无线电法》(日本)、FCC/ISED(北美)和 CE(欧洲)的射频合规性认证,可缩短产品上市时间。

产品对比

应用

  • 通过连续血糖监测治疗糖尿病
  • 通过蓝牙链接自动依从正确的胰岛素量

成功产品组合交互框图

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4:3 ratio Sheet.1 Sheet.2 Sheet.3 Sheet.4 EU175 EU175 EU175 Ultra-Low Iq Buck/Boost Ultra-Low Iq Buck/Boost Ultra-Low Iq Buck/Boost Sheet.49 Sheet.50 Sheet.51 Sheet.52 Sheet.53 Battery Li-ion.159 Sheet.60 Sheet.61 Sheet.62 Sheet.63 Sheet.64 Sheet.65 Sheet.66 Sheet.67 Diode - IR Infrared Sheet.69 Sheet.70 Sheet.71 Sheet.72 Sheet.73 Darlington.651 Sheet.75 Darlington.254 Shunt Sheet.78 Sheet.79 Sheet.80 Sheet.86 Ground Sheet.89 Sheet.90 Ground.91 Sheet.92 Sheet.93 Ground.94 Sheet.95 Sheet.96 Replace / dispose only this part Replace/Dispose Only This Part Replace/Dispose Only This Part Small NFC Coil Small NFC Coil Small NFC Coil Power Switch Power Switch Power Switch Charger Charger Charger NTC NTC NTC Li-Ion Battery Li-Ion Battery Li-Ion Battery Transformer Inductor Iron Core Line.841 Inductor Air Core.212 Sheet.123 Sheet.124 Sheet.125 Sheet.126 Sheet.127 Sheet.128 Sheet.129 Sheet.130 Sheet.131 Line.29 3.3V 3.3V 3.3V 2 2 2 2 Sheet.150 Communication e.g. for BT Pairing Communication e.g. for BT Pairing Communication e.g. for BT Pairing Enable Measurement Enable Measurement Enable Measurement 2 2 2 2 Sheet.157 ~3.7V ?100mAmax ~3.7V 100mAmax ~3.7V100mAmax I2C = 0X 4B I2C = 0X 4B I2C = 0X 4B User-Button User-Button User-Button THREE-ELECTRODE TEST STRIP THREE-ELECTRODE TEST STRIP THREE-ELECTRODE TEST STRIP CGM 3-Electrodes CGM 3-Electrodes CGM 3-Electrodes Gold Plated Contacts Gold Plated Contacts Gold Plated Contacts ?10mApk 10mApk 10mApk Sheet.170 Sheet.171 Sheet.172 Sheet.174 Sheet.179 Sheet.180 Sheet.181 Sheet.182 Sheet.184 Sheet.185 Sheet.186 Sheet.187 Sheet.188 Sheet.189 Sheet.190 Sheet.191 Sheet.192 Sheet.193 Sheet.196 Sheet.197 Sheet.198 Sheet.199 Sheet.200 Sheet.202 Sheet.208 Sheet.209 Sheet.211 Sheet.212 Sheet.214 Sheet.215 Connector 1.174 Sheet.219 Sheet.223 3mAmax 3mAmax 3mAmax Sheet.173 Connector 1.174.220 3mAmax 3mAmax 3mAmax Sheet.230 Connector 1.174.231 Sheet.232 Sheet.233 Connector 1.174.234 Sheet.235 Sheet.238 3mAtyp 3mAtyp 3mAtyp 3mAtyp 3mAtyp 3mAtyp Sheet.242 Input Magnet Magnet Magnet Bi-directional Magnet Magnet Magnet WE WE WE RE RE RE CE CE CE Input.249 Input.250 Sheet.252 Sheet.253 Sheet.262 Antenna Antenna Antenna Sheet.267 Sheet.268 Sheet.271 Sheet.272 n n n n Sheet.275 Sheet.276 32MHz 32MHz 32MHz Sheet.133 Sheet.134 Sheet.135 Sheet.136 Sheet.137 Sheet.138 Sheet.139 Sheet.277 32kHz 32kHz 32kHz Sheet.279 Sheet.280 Sheet.281 Sheet.282 Sheet.283 Sheet.284 Sheet.285 Sheet.286 Sheet.287 Sheet.288 Sheet.289 Sheet.291 NFC 1W Charger RX NFC 1W Charger RX NFC 1W Charger RX I2C I2C I2C Sheet.292 P-Ch Load Switch P-Ch Load Switch P-Ch Load Switch Ctrl Ctrl Ctrl Sheet.293 Temperature & Humidity Sensor Temperature & Humidity Sensor Temperature & Humidity Sensor I2C I2C I2C I2C=0X 54 I2C=0X 54 I2C=0X 54 Vdd Vdd Vdd Sheet.294 Transimpedance Amplifier Transimpedance Amplifier Transimpedance Amplifier Out Out Out E+ E+ E+ Vdd Vdd Vdd Sheet.295 Instrumentation Amplifier 2 Instrumentation Amplifier Instrumentation Amplifier E- E- E- E+ E+ E+ Vdd Vdd Vdd Sheet.296 Instrumentation Amplifier 1 Instrumentation Amplifier Instrumentation Amplifier Out Out Out Vdd Vdd Vdd E- E- E- E+ E+ E+ Sheet.297 Bluetooth MCU Bluetooth MCU Bluetooth MCU GPIO GPIO GPIO I2C I2C I2C ADC ADC ADC DAC DAC DAC DAC DAC DAC 32 kHz RTC 32 kHz RTC 32 kHz RTC Vdd Vdd Vdd Debug Debug Debug UART UART UART GPIO GPIO GPIO RF Osc. RF Osc. RF Osc. BLE5 PHY BLE5 PHY BLE5 PHY
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