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:
Jul. 05, 2022

Filed:

Oct. 22, 2018
Applicant:

Smith & Nephew, Inc., Memphis, TN (US);

Inventors:

Jonathan L. Gaspredes, Austin, TX (US);

Jean Woloszko, Austin, TX (US);

Rajitha Aluru, Austin, TX (US);

David J. Miller, Austin, TX (US);

Assignee:

SMITH & NEPHEW, INC., Memphis, TN (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 1/00 (2006.01); A61B 1/015 (2006.01); A61M 3/02 (2006.01); F04B 49/20 (2006.01); F04B 49/08 (2006.01); A61B 17/32 (2006.01); F04B 49/06 (2006.01);
U.S. Cl.
CPC ...
A61M 1/0058 (2013.01); A61B 1/015 (2013.01); A61B 17/320016 (2013.01); A61M 1/74 (2021.05); A61M 3/022 (2014.02); A61M 3/0216 (2014.02); F04B 49/065 (2013.01); F04B 49/08 (2013.01); F04B 49/20 (2013.01); A61B 2217/005 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/3344 (2013.01); A61M 2205/3365 (2013.01); A61M 2205/52 (2013.01); F04B 2203/0409 (2013.01); F04B 2205/04 (2013.01); F04B 2205/09 (2013.01);
Abstract

Fluid management in surgical procedures. At least some of the example embodiments are methods including: pumping surgical fluid through a tube to a surgical site by a fluid controller operating in a first mode, the first mode comprising a first relationship of fluid flow and pressure drop across the tube and cannula, and the first mode comprising a first set of proportional, integral, and differential (PID) parameters; and then pumping surgical fluid through the tube to the surgical site with the fluid controller operating in a second mode, the second mode comprising a second relationship of fluid flow and pressure drop across the tube and cannula, the second relationship different than the first relationship, and the second mode comprising a second set of PID parameters used, the second set of PID parameters different than the first set of PID parameters.


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