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. 16, 2014
Filed:
May. 10, 2012
Nigel Wright, California, PA (US);
Samuel Ernest Magargi, Iii, Pittsburgh, PA (US);
Jeremy Thomas Harbaugh, Cranberry Township, PA (US);
Michael John Zang, Allison Park, PA (US);
Regis Joseph Winniewicz, Jr., Ellwood City, PA (US);
Joseph Stephen Beri, Gibsonia, PA (US);
Douglas Mark Zatezalo, Allison Park, PA (US);
Tom Monahan, Cranberry Township, PA (US);
Ronald Robert Fox, Glenshaw, PA (US);
Nigel Wright, California, PA (US);
Samuel Ernest Magargi, III, Pittsburgh, PA (US);
Jeremy Thomas Harbaugh, Cranberry Township, PA (US);
Michael John Zang, Allison Park, PA (US);
Regis Joseph Winniewicz, Jr., Ellwood City, PA (US);
Joseph Stephen Beri, Gibsonia, PA (US);
Douglas Mark Zatezalo, Allison Park, PA (US);
Tom Monahan, Cranberry Township, PA (US);
Ronald Robert Fox, Glenshaw, PA (US);
Fresenius Medical Care Holdings, Inc., Waltham, MA (US);
Abstract
This disclosure relates to detecting fluid in medical tubing. In certain aspects, a method is performed by a data processing apparatus. The method includes controlling repetitive activation of the ultrasonic transmitter. The method also includes receiving a signal from the ultrasonic receiver during an activation of the ultrasonic transmitter. The method also includes determining that fluid is absent or present in a portion of the medical fluid tube based on a comparison between the signal and a threshold value.