胎心监测仪方案详解
Release time：2017-07-12
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source：William
reading：2836
胎心就是胎儿的心跳。胎心监护检查是利用超声波的原理对胎儿在宫内的情况进行监测，是正确评估胎儿宫内的状况的主要检测手段。胎儿心率受交感神经和副交感神经调节，通过信号描记瞬间的胎心变化所形成的监护图形的曲线，可以了解胎动时、宫缩时胎心的反应，以推测宫内胎儿有无缺氧。
胎心监测是胎心胎动宫缩图的简称，是应用胎心率电子监护仪将胎心率曲线和宫缩压力波形记下来供临床分析的图形，是正确评估胎儿宫内的状况的主要检测手段.采用微波技术，对小孩没有危害，只需要买胎心检测仪即可。尤其是怀孕4月个以后，自己对baby监护很重要。有趣的是有时还能够听到baby的打嗝声。
胎心监护胎儿心率受交感神经和副交感神经调节，通过信号描记瞬间的胎心变化所形成的监护图形的曲线，可以了解胎动时、宫缩时胎心的反应，以推测宫内胎儿有无缺氧。
搭载恩智浦技术的多普勒胎心监测仪是一种手持式超声波变送器，可测量并放大胎儿心跳。这些监测仪借助多普勒效应提供心率的声音仿真，并显示每分钟的心跳次数。
超声波探头为系统提供关键组件，包括一个用于生成超声波频率的振荡器，其后是一个按电压变化调适正弦波的放大器。
| Manufacturer | Model | Description |
| NXP | MKL03Z32VFK4 | Microprocessor |
| NXP | LPC824M201JHI33E | Microprocessor |
| Cypress Semiconductor | CY8C4124LQI-443 | Microprocessor |
| Atmel | ATSAMD21G18A-AUT | Microprocessor |
| TI | TPS62100D | 电源管理 |
| TI | TPS62100DG4 | 电源管理 |
| linear | LTC1877EMS8#PBF | 电源管理 |
| Murata | LBEE5KL1DX | WiFi Module |
| Murata | LBWA1KL1FX | WiFi Module |
| Murata | 88-00153-00 | WiFi Module |
| 4D Systems | 4DOLED-282815 | DISPLAY 1.5" |
| Parallax | 27925 | DISPLAY 1.5" |
| NXP | MMA9553L | Pressure Sensor |
| MEAS | MS580302BA01-00 | Pressure Sensor |
| MEAS | MS580314BA01-00 | Pressure Sensor |
| MEAS | MS580305BA01-00 | Pressure Sensor |
| NXP | MC13242 | Touch Sensor |
| Analog Devices Inc. | AD8232ACPZ-R7 | Heart Rate Monitor |
| Maxim Integrated | MAX30003CTI+ | Heart Rate Monitor |
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