Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1992-04-29
1994-03-15
Flanigan, Allen J.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264254, 264277, B29C 3910
Patent
active
052943976
ABSTRACT:
A heat exchanger for medical treatment comprises a cylindrical blood passing space and a multiplicity of heat-exchanging tubes disposed inside the blood passing space and extending in the longitudinal direction of the blood passing space and provided with an inner space watertightly separated from the blood passing space for effecting exchange of heat between the blood being passed through the blood passing space and a heat-exchanging medium being passed through the inner spaces of the heat-exchnging tubes through the medium of walls of the heat-exchanging tubes. Blood inlet tube for introducing blood into the blood passing space and a blood outlet tube for discharging blood from within the blood passing space are expended inwardly from outside substantially along a straight lines perpendicular to the longitudinal direction of the blood passing space and tangent to the peripheral plane of the blood passsing space and communicating with the blood passing space. Optionally, the heat exchanger further comprises blood chambers disposed one each near the blood inlet and the blood outlet and each formed of an empty space destitute or devoid of the arrangement of the heat-exchanging tubes, and ribs formed on the inner wall of the blood passing space for retarding the flow of blood.
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Nogawa Atsuhiko
Oshiyama Hiroaki
Flanigan Allen J.
Terumo Kabushiki Kaisha
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