Fig. 2.

Blood removal via intracardial perfusion. (a) Lay-out of the intracardiac perfusion model along with the optoacoustic imaging system. TA – transducer array, PT – pressure transducer, HC – heating coil, ACSF – artificial cerebrospinal fluid. (b) Maximum intensity projections (MIPs) of the three dimensional optoacoustic images taken before (left) and after (right) ACSF perfusion along with boxplots of the optoacoustic signals for the 100 brightest voxels in the image as a function of time. Scalebar – 3 mm.