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Blood heating apparatus for heating plastic blood supply pouches

  • US 4,906,816 A
  • Filed: 05/20/1988
  • Issued: 03/06/1990
  • Est. Priority Date: 05/22/1987
  • Status: Expired due to Fees
First Claim
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1. In blood heating apparatus comprising a box provided with a hinged door and with pins for suspending thereon a plastic pouch with a labyrinth-shaped passage formed therein communicating with flexible inlet and outlet tubes for, respectively, the blood to be heated and the heated blood, said box and door being provided with temperature-controlled electrical heating means for contacting both sides of a pouch suspended in said box to provide heating of said pouch, and with passages for the tubes of said pouch, the improvement wherein said door is hinged at the lower side thereof on a hinge axis which, in the orientation of the apparatus during use thereof extends horizontally, means being provided for keeping the opened door in a substantially horizontal position, said door being provided with said pouch suspending pins, the inlet and outlet tubes of said pouch communicating with said pouch symmetrically at two opposite sides and being mutually aligned, and the passages for said tubes in the box and door walls being situated in the vicinity of said hinge axis of said door.

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