| 摘要 |
A medical imaging apparatus (100) includes a rotating gantry (302). The rotating gantry (302) includes a first side (108) and a second side (302, 304). The first and second side (108 and 302, 304) are spaced apart from each other along a longitudinal axis, thereby defining a plenum (116) therebetween. The first side (108) includes at least one material free region (110). At least one air mover (126), located in the plenum (116), that expels air in the plenum (116) through the at least one material free region (110).
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