Implantable sensor requires a compact size, light weight and body compatible. It should have a very small power. The most important, the thermistor cannot decay over time. Generally, this kind of thermistor sensor is very expensive and needs medical experts to do surgery for transplanting.
3. External sensor for NTC thermistor and body fluid contact
There are some types of disposable sensor that are used extra corporally, but they contact the body liquid, such as disposable blood pressure sensor. This kind of sensor is used for surgical and intensive care, which can continually monitor the pressure of the patients. This is the most ideal method to measure blood pressure when the patients is under IV. This type of thermistor sensor needs to be replaced per 24 hours in order to ensure the cleanliness of the sensor. The sensor is connected to a monitor to record all the information. There are some other types of thermistor sensor contacting with body liquid.
To be continued…
Physical photo of NTC thermistor
