Patent ID: 9417179
Filing Date: 2016-08-16
CPC Classification: A61B,G01N

Claim Text:
1. An acoustic wave acquisition apparatus comprising: a light source configured to generate light; a detector including a plurality of elements configured to receive an acoustic wave generated from inside a subject when the subject is irradiated with the light; a rotation driving unit configured to rotate the detector; and a plurality of light irradiation portions configured to irradiate the subject with the light from the light source, wherein the plurality of light irradiation portions are provided at least at positions other than a rotation axis of the detector, wherein, when the plurality of light irradiation portions is seen from a rotation axis direction, a density of the plurality of light irradiation portions provided at a center area of the detector is different from a density of the plurality of light irradiation portions provided at a peripheral area of the detector.