Method for decontaminating blood
AssigneeJapan Medical Supply Co., Ltd.
InventorsMasafumi Sugiyama, Hideki Kawanishi
Life of this patent
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Abstract
A method for decontaminating blood uses an adsorber prepared by forming a porous membrane containing an adsorbent in the form of powder or fine particles on a support is suitable for removing harmful soluble substances contained in blood. The adsorber has a high rate of adsorbtion, and does not readily shed the fine particles of the adsorbent material. In order to attain these features, it is necessary to set the thickness of the porous membrane within a specified range.
Claims17
A method for removing soluble poisonous substances contained in blood by hemoperfusion comprising
- providing a support;
- attaching a porous membrane to said support, said membrane having a thickness in the range of approximately 10-400 microns and containing a powdery or fine particulate adsorbent for removing soluble poisonous substances from blood;
- and
- bringing blood into contact with said adsorbent-containing membrane, thereby effectively removing said poisonous substances from said blood.
A method for removing soluble poisonous substances contained in blood by hemoperfusion comprising the steps of
- providing a porous membrane having a thickness in the range of approximately 10-400 microns and containing a powder or fine particulate adsorbent for removing soluble poisonous substances from blood;
- wrapping said membrane about a core;
- placing said core in a housing having a blood inlet and a blood outlet;
- and
- passing blood through said housing via said blood inlet and outlet and thereby effectively removing said poisonous substances from said blood.
A method for removing soluble poisonous substances contained in blood by hemoperfusion comprising the steps of:
- preparing an adsorbent membrane having a thickness in the range of approximately 10-400 microns by applying a polymer solution contining an adsorbent dispersed therein to a support, then subsequently contacting the applied solution with a nonsolvent for said polymer;
- and
- bringing blood into contact with said absorber thereby effectively removing said poisonous substances from said blood.
A method for removing bilirubin contained in blood by hemoperfusion comprising
- providing a support;
- attaching a porous membrane to said support, said membrane having a thickness in the range of approximately 10-400 microns and containing a powdery or fine particulate adsorbent for removing bilirubin from blood;
- and
- bringing blood into contact with said adsorbent-containing membrane, thereby effectively removing said bilirubin from said blood.
A method for removing bilirubin contained in blood by hemoperfusion comprising the steps of:
- providing a porous membrane having a thickness in the range of approximately 10-400 microns and containing a powdery or fine particulate adsorbent for removing bilirubin from blood;
- wrapping said membrane about a core;
- placing said core in a housing having a blood inlet and a blood outlet;
- and
- passing blood through said housing via said blood inlet and outlet and thereby effectively removing said billirubin from said blood.
A method for removing bilirubin contained in blood by hemoperfusion comprising the steps of:
- preparing an adsorbent membrane having a thickness in the range of approximately 10-400 microns by applying a polymer solution containing an adsorbent dispersed therein in a support, then subsequently contacting the applied solution with a nonsolvent for said polymer;
- and
- bringing blood into contact with said adsorber thereby effectively removing said bilirubin from said blood.
Dependencies are inferred from the claim text.