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:
Sep. 18, 2001
Filed:
Mar. 23, 2000
James Richard Spears, Bloomfield Hills, MI (US);
Wayne State University, Detroit, MI (US);
Abstract
An apparatus and method for delivering a high partial pressure of a gas into a liquid. The apparatus has a gas transfer device with a housing that includes upstream and downstream regions, between which there is located a gas-liquid contacting region with contacting members such as hollow microporous fibers. A reservoir of gas supplies the gas at a high pressure (P) to a flask of gas-depleted liquid and to the gas transfer device The reservoir of gas provides hydrostatic pressure for urging the liquid through the contacting members and propelling the gas around the contacting members so that the gas does not diffuse across the contacting members . The gas-enriched liquid is then ducted to a high resistance delivery channel for administration to a site of interest without effervescence, bubble formation, or significant disruption of laminar flow.