US 11,986,583 B2
Oxygenator
Shotaro Terane, Kanagawa (JP)
Assigned to TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed by TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed on May 18, 2021, as Appl. No. 17/322,981.
Application 17/322,981 is a continuation of application No. PCT/JP2019/045478, filed on Nov. 20, 2019.
Claims priority of application No. 2018-221230 (JP), filed on Nov. 27, 2018.
Prior Publication US 2021/0268163 A1, Sep. 2, 2021
Int. Cl. A61M 1/16 (2006.01); A61M 1/36 (2006.01); B01D 69/08 (2006.01)
CPC A61M 1/1698 (2013.01) [A61M 1/1641 (2014.02); A61M 1/3623 (2022.05); B01D 69/08 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/073 (2013.01); B01D 2325/20 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An oxygenator for treating a flow of blood, comprising:
a housing;
a bubble-removing hollow fiber membrane layer disposed in the housing and configured to remove bubbles from the blood;
a gas-exchanging hollow fiber membrane layer disposed in the housing and configured to exchange a gas with the blood;
a discharge port which is formed in the housing to discharge the bubbles removed by the bubble-removing hollow fiber membrane layer to an outside of the housing;
a gas permeable member which is arranged between the discharge port and an end portion of the bubble-removing hollow fiber membrane layer, wherein the gas permeable member allows passage of the bubbles removed by the bubble-removing hollow fiber membrane layer without allowing passage of a plasma leaking through the bubble-removing hollow fiber membrane layer; and
a plasma capture chamber which is a partition between the end portion of the bubble-removing hollow fiber membrane layer and the gas permeable member and captures the plasma leaking through the bubble-removing hollow fiber membrane layer.