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:
Jul. 25, 2017
Filed:
Mar. 15, 2013
Applicant:
Fresenius Medical Care Holdings, Inc., Waltham, MA (US);
Inventor:
Mark David Tuckwell, Hertfordshire, GB;
Assignee:
Fresenius Medical Care Holdings, Inc., Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 35/00 (2006.01); B01D 61/00 (2006.01); B01D 11/00 (2006.01); A61M 1/16 (2006.01); G01F 1/58 (2006.01); G01N 33/49 (2006.01); G01N 27/02 (2006.01); A61M 1/36 (2006.01); A61B 5/055 (2006.01); A61B 5/145 (2006.01); G01N 22/00 (2006.01); G11B 5/00 (2006.01); C02F 1/44 (2006.01);
U.S. Cl.
CPC ...
A61M 1/16 (2013.01); A61B 5/055 (2013.01); A61B 5/145 (2013.01); A61M 1/1605 (2014.02); A61M 1/3609 (2014.02); G01F 1/586 (2013.01); G01N 27/023 (2013.01); G01N 33/49 (2013.01); A61M 2205/3317 (2013.01);
Abstract
This disclosure relates to medical fluid sensors and related systems and methods. In some aspects, a circuit includes a radio frequency coil tuned to at least one frequency and at least one switching circuit directly connected to the radio frequency coil. The radio frequency coil is characterized by a high impedance.