A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/81.2
A61M 1/16 (2006.01) B01D 67/00 (2006.01) B01D 69/14 (2006.01)
Patent
CA 1333873
A membrane type oxygenator for effecting exchange of gases with a porous gas-exchange membrane possessing minute through pores forming a path for gas, which membrane type oxygenator is characterized by the fact that minute particles are retained in the minute pores of the porous gas-exchange membrane to permit a decrease in the cross-sectional area of the path for gas and as blood anticoagulant is retained in the minute particles or between the minute particles, and it is manufactured assembling a membrane type oxygenator containing a porous gas-exchange membrane possessing minute through pores forming a path for gas, then causing a dispersion of minute particles to flow through the interior of the membrane type oxygenator thereby allowing the minute pores to retain the minute particles and permitting a decrease in the cross-sectional area of the path for gas, removing the dispersion remaining within the membrane type oxygenator, and further causing a liquid containing a blood anticoagulant to flow through the interior of the oxygenator and allowing the liquid to pass through the minute pores of the gas-exchange membrane thereby inducing deposition of the blood anticoagulant on the minute particles.
561739
Macrae & Co.
Terumo Kabushiki Kaisha
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