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:
Mar. 05, 2024
Filed:
Mar. 12, 2020
Applicant:
Nxstage Medical, Inc., Lawrence, MA (US);
Inventors:
Mark T. Wyeth, Andover, MA (US);
James M. Brugger, Newburyport, MA (US);
Adam G. McDermott, Acton, MA (US);
Assignee:
NxStage Medical, Inc., Lawrence, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 7/08 (2006.01); A61M 1/36 (2006.01);
U.S. Cl.
CPC ...
G01L 7/086 (2013.01); A61M 1/3639 (2013.01);
Abstract
A pressure measurement system includes a pressure pod with two chambers separated by a diaphragm such that a deformation/movement of the diaphragm is indicative of a difference between the pressures of the two chambers. Such deformation/movement is detected by a device that has no physical contact with the diaphragm, for example, by an optical detector that detects a change in the shape of the diaphragm or a movement of a protrusion on the diaphragm.