Heat exchanger and oxygenator
AssigneeTerumo Kabushiki Kaisha
InventorsAkira Gyoten, Wataru Matsumoto
Life of this patent
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Abstract
A heat exchanger for a blood circulation circuit comprises a hollow fiber membrane layer having a plurality of hollow fiber membranes, and a fixing portion fixing both end portions of the hollow fiber membranes from outsides of the hollow fiber membranes. The fixing portion mainly contains polyurethane, and each of the hollow fiber membranes has a heat conductive layer containing high density polyethylene, and an adhesion layer provided on an outside of the heat conductive layer, bonded to the fixing portion, and mainly containing a modified polyolefin resin.
Claims16
A heat exchanger for a blood circulation circuit, comprising:
- a hollow fiber membrane layer having a plurality of hollow fiber membranes;
- and
- a fixing portion fixing both end portions of the hollow fiber membranes from outside of the hollow fiber membranes;
- wherein the fixing portion is comprised of polyurethane;
- and
- wherein each of the hollow fiber membranes has a heat conductive layer containing high density polyethylene, and an adhesion layer provided on an outside of the heat conductive layer, bonded to the fixing portion, and comprising a modified polyolefin resin.
An oxygenator for a blood circulation circuit, comprising:
- a hollow fiber membrane layer having a plurality of hollow fiber membranes;
- and
- a fixing portion fixing both end portions of the hollow fiber membranes from outside of the hollow fiber membranes;
- wherein the fixing portion is comprised of polyurethane;
- and
- wherein each of the hollow fiber membranes has a heat conductive layer containing high density polyethylene, and an adhesion layer provided on an outside of the heat conductive layer, bonded to the fixing portion, and comprising a modified polyolefin resin.
Dependencies are inferred from the claim text.