| 摘要 |
PROBLEM TO BE SOLVED: To stabilize the flow of an interface agent inside a vessel in a mammographic apparatus of such a type that the interface agent is circulated inside/outside of the vessel. SOLUTION: The mammographic apparatus 1 obtains the information on the inside of a breast by irradiating the breast of a subject with light and detecting the diffused light. The mammographic apparatus 1 comprises an inner vessel 31 surrounding the hanging breast; an outer vessel 32 constituting a gap 34 with the inner vessel 31; a partition wall 33 dividing the gap 34 into an inflow chamber 35 and an outflow chamber 36; piping 13e for injecting the interface agent I into the inflow chamber 35; and piping 13a for discharging the interface agent I from the outflow chamber 36. The inner vessel 31 has an interface agent inlet 14 for letting the interface agent I in the inflow chamber 35 flow into the inner vessel 31 and an interface agent outlet 15 for letting the interface agent I in the inner vessel 31 flow into the outflow chamber 36. COPYRIGHT: (C)2008,JPO&INPIT
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