| 摘要 |
PURPOSE:To store data synchronous to a heart beat by reduced data capacity by constituting a memory storing nuclear medicine data of a readable/writable memory having addresses made endless. CONSTITUTION:A memory 8 has a writing W terminal and a reading R terminal and also has addresses 0 - n and the next of the address is continued to the address 0 to make the addresses endless and, when the data capacity of a usual one heart beat is set to m, the addresses are set so that n > m and n < 2m are formed. The generation and position (nuclear medicine data) of gamma-rays from a human body detected by a scintillation camera are stored in the addresses 0 - m of the memory 8 at first in the generation order in synchronous relation to a heart beat and, in the next heart beat, they are stored in the generation order on and after m+1. Reading is successively performed in a data unit at every one heart beat. The read data from the memory 8 is edited by an IC 4 to be stored in a memory 5 and the stored data is read by a data display circuit 6 to be displayed on a CRT 7. A CPU 1 performs the R/W control of the memory 8, address control and the R/W control of the memory.
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