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In this paper, a quick and efficient approach is proposed to estimate the in-vivo RF induced heating of small medical implants under MRI procedure. The method is based on scaling the in-vivo incident electric fields. Numerical and experimental studies demonstrate the efficiency and accuracy of the proposed method.
The heating of orthopedic implants under MRI RF fields were investigated 1.5T and 3T systems. Modeling and experiments were performed on an orthopedic device at different sizes inside an ASTM phantom. It is observed that the induced energy deposition near the device is almost linearly related to the dimension of the orthopedic implants when the device is less than 10 cm in length. Higher temperature...
This paper describes an optimized hardware and software design for the heat meter. It is equipped with the international popular low-power consumption single-chip microcontroller MSP430FW425, temperature sensor Pt1000, impeller flow meter and zero energy-consuming magnetic sensor. They improve the precision and sensitivity of heat measurement. It also concludes the RFID module which has realized the...
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