The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 21, 1986
Filed:
Nov. 30, 1983
Takeda Chemical Industries, Ltd., Osaka, JP;
Abstract
An apparatus for blood treatment has a housing having a blood inlet for introducing the blood to be treated and a blood outlet for exhausting the treated blood, at least one blood channel within the housing and extending from the inlet to the outlet and being constituted by a plasma-separating membrane capable of allowing the plasma component of blood to permeate therethrough while preventing the blood cells from penetrating therethrough. A blood treating material is packed in the space within the housing around the blood channel. A pump is connected to the inlet for pumping blood into the inlet. A pressure varying mechanism operatively associated with the housing imposes from outside the housing on the space within the housing pressure changes for alternately changing the direction of the pressure difference between the inside of the blood channel and the blood treating material-containing space, so that the plasma component of the blood flow in the blood channel is caused to permeate through the plasma-separating membrane toward the blood treating material to bring the plasma into contact with the blood treating material, and the plasma is thereafter caused to be returned to the blood channel through the plasma-separating membrane.