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Micro-pressure sensor in medical applications

The principle of a miniature pressure sensor is a transducer that converts force and gravity into electrical signals, and it is also applied to medicine. They must be highly accurate and compact for easy portability, especially when the device is to be connected directly to the patient. If the sensor is used in a medical device-integrated monitoring instrument, standard packaging materials such as stainless steel and anodized aluminum are used. If the miniature pressure sensor device is in direct contact with the human body or liquid, special stainless steel or disposable sensors that can be autoclaved can be used.

Medical pressure sensors have been used for bed weight monitoring early on, and miniature pressure sensors are now being applied to areas prone to human error, such as infusion pumps for administration. In order to adjust the flow rate as accurately as possible and to facilitate the nurse to monitor at any time, pressure sensor sensors are applied to the infusion pump. This sensor accurately measures the weight of the infusion bag. When the weight of the liquid is different from the preset value, the sensor will immediately send a warning message to the connected device and communicate with the controller in time.

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