An active MRI implant is a small device incorporated into metal surgical implant

Question

An active MRI implant is a small device incorporated into metal surgical implants to make imaging via MRI easier by producing local interference to stop the disruptive eddy current. However, the MRI implant produces heat and it is important to know whether tissue temperature can rise too high. Consider the implant as a sphere of diameter 30 mm that is surrounded by the tissue. The implant has a rate of heat generation of 1 W that is conducted into the tissue equally distributed over the surface area of the sphere at steady state. The tissue temperature far from the implant is 36

Explanation / Answer

Q/t=1

36

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