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:
Aug. 08, 2017
Filed:
Aug. 15, 2012
Applicants:
Jeffrey H. Burbank, Boxford, MA (US);
Dennis M. Treu, Castle Rock, CO (US);
James M. Brugger, Newburyport, MA (US);
Daniel Joseph Rubery, Jr., Windham, NH (US);
Inventors:
Jeffrey H. Burbank, Boxford, MA (US);
Dennis M. Treu, Castle Rock, CO (US);
James M. Brugger, Newburyport, MA (US);
Daniel Joseph Rubery, Jr., Windham, NH (US);
Assignee:
NXSTAGE MEDICAL, INC., Lawrence, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/30 (2006.01); A61M 1/36 (2006.01); G01M 3/04 (2006.01);
U.S. Cl.
CPC ...
A61M 1/3656 (2014.02); A61M 1/367 (2013.01); G01M 3/04 (2013.01); A61M 2205/15 (2013.01); Y10T 137/5762 (2015.04);
Abstract
Features for protecting against leaks in a fluid circuit are disclosed. In a first embodiment, a fluid circuit is housed by another fluid circuit that is configured to capture and convey leaks to leak detector. In a second embodiment, a first indicator of a leak is used to trigger confirmation by blood flow reversal and air detection in the blood circuit.