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.

Date of Patent:
May. 03, 2016

Filed:

Feb. 20, 2014
Applicant:

Novartis Ag, Fort Worth, TX (US);

Inventors:

Denis Turner, Vista, CA (US);

Robert Palino, Aliso Viejo, CA (US);

Assignee:

Novartis AG, Basel, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 19/00 (2006.01); A61F 9/007 (2006.01); A61F 9/013 (2006.01); A61B 17/00 (2006.01);
U.S. Cl.
CPC ...
A61B 19/46 (2013.01); A61F 9/00736 (2013.01); A61F 9/0133 (2013.01); A61B 2017/00119 (2013.01); A61B 2017/00123 (2013.01); A61B 2017/00544 (2013.01);
Abstract

A gas pressure monitor system for a pneumatically-powered surgical machine includes a first transducer, a second transducer, and a controller. The first transducer is located upstream from a filter and is configured to read a first pressure of a gas before the gas enters the filter. The second transducer is located downstream from the Filter and is configured to read a second pressure of a gas after the gas exits the filter. The controller is configured to compute a difference between the first pressure and the second pressure. A state of the filter is determined from the difference between the first pressure and the second pressure.


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