The research team at Stanford University has developed a biodegradable blood flow sensor that can wrap the artery during vascular surgery to monitor postoperative blood flow and let the doctor know if the blood vessels are clogged, so as to avoid serious complications. . Because this sensor is biodegradable, it will automatically decompose and disappear over time, without special surgery.
It has been difficult to confirm the success or failure of vascular surgery. Sometimes it is too late to find the problem, so that the patient will undergo a second vascular operation. However, if the doctor can properly monitor the blood flow after the blood vessel, you can find the problem early to avoid the problem.
The implantable device takes the form of a capacitive strip with one end wound around the blood vessel and the other end fixed to the antenna. Since the pulsation of the blood vessel distort the inner surface of the sensor, affecting its ability to store charge, it can be monitored by the sensor. The research team has so far only tested on mice, and it can indeed provide blood flow data after being wrapped in the artery of the mouse.
The device is based on the technology of the skin of a touch-sensitive robot and is biodegradable harmlessly after healing of the blood vessel. Researcher Paige Fox is optimistic about this technology and believes that blood flow measurement is critical for many medical applications, including vascular grafting, reconstructive surgery, and cardiac surgery.
Future research teams will also adjust the material of the sensor to increase sensitivity and durability. (Source: DIGITIMES)
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