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:
Nov. 04, 1980
Filed:
May. 03, 1978
Per-Olov A Carlsson, Sosdala, SE;
Kaj O Stenberg, Staffanstorp, SE;
Gambro AB, , SE;
Abstract
A diffusion apparatus is disclosed including an outer casing and an inner core within the outer casing providing an annular space therebetween so that a tubular semi-permeable membrane having a first end and a second end and spacing material can be helically wound around the inner core within the annular space. The apparatus includes first fluid directing means communicating with a first fluid within the interior of the tubular semi-permeable membrane at a first end thereof, second fluid directing means communicating with a second fluid within the annular space for contacting the outer surface of the tubular semi-permeable membrane with the second fluid, wherein the first fluid directing means includes channel means integral with the inner core, and third fluid directing means communicating with the first fluid within the interior of the tubular semi-permeable membrane at the second end thereof.