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:
Dec. 08, 2015
Filed:
Sep. 28, 2012
Roche Diagnostics International Ag, Rotkreuz, CH;
Roche Diagnostics International AG, Rotkreuz, CH;
Abstract
Embodiments directed to a degassing device for removing gas bubbles from a liquid drug stream and an ambulatory infusion system are disclosed. The degassing device may comprise an inlet chamber with an inlet opening, an outlet chamber with an outlet opening, and a degassing opening. A hydrophilic membrane and a hydrophobic membrane, wherein the hydrophilic membrane fluidically couples the inlet chamber with the outlet chamber, enabling a transfer of liquid from the inlet chamber to the outlet chamber. The hydrophobic membrane fluidically couples the inlet chamber with the degassing opening, enabling a transfer of gas from the inlet chamber to the degassing opening. The hydrophilic and hydrophobic membranes being joined along a joint to establish a joined membrane, such that a contact line of a liquid-gas phase separation on the joined membrane does not coincide with the joint independent of an orientation of the degassing device with respect to gravity.