PURPOSE: To achieve a higher heat exchange rate while preventing retention of bubbles with a simple construction by setting a heat exchanger in a blood storage tank while upright tube parts of pipe bodies are arranged in a vertical way to form gaps continuing in the vertical way between the upright tube parts of the pipe bodies.
CONSTITUTION: In a blood storage tank 1, a blood storage space 5 is formed in a housing 2 comprising a body 3 and a lid body 4 to form a blood storage space 5 for storing blood. Here, an inflow port 6 is opened in the lid body 4 so as to communicate with the blood storage space 5 while a blood outflow port 7 is opened at the bottom of the body 3 to communicate the blood storage space 5. A heat exchanger 9 is set on the blood storage tank 1 and is made up of a plurality of pipe bodies mounted in the blood storage space 5, a pair of partitions 11 supporting the pipe bodies 10 and a supply part and a discharge part of a heat medium paired in the pipe bodies 10. Moreover, the pipe bodies are each made up of the pipe bodies arranged vertically in series at an equal interval.
WAKAYAMA YOSHIAKI
KATSUTA EERIO TAKASHI
