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:
May. 21, 2013
Filed:
Oct. 06, 2010
Rainer Gransee, Mainz, DE;
Tina Röser, Brohl, DE;
Rainer Gransee, Mainz, DE;
Tina Röser, Brohl, DE;
Institut fur Mikrotecknik Mainz GmbH, Mainz, DE;
Abstract
A measurement channel for use in a microfluidic system, particularly a lab-on-chip system, having a first end at which a first gas permeable but liquid impermeable wall section is disposed which makes available a gas conduit, and a second end at which the measurement channel is connectable to at least one fluid conduit and at which an isolation or cutoff device is disposed, wherewith in the measurement channel a defined volume is included between the wall section and the isolation or cutoff device. A microfluidic structure is disclosed having a plurality of fluid conduits, and further having a valve for selectively connecting and/or blocking the fluid conduits, at least one of which fluid conduits is in the form of a measurement channel. A method of measuring and/or positioning a volume of a liquid in a microfluidic system, by a measurement channel is disclosed.