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:
Jan. 26, 2016

Filed:

Apr. 25, 2011
Applicants:

Saul E. Greenhut, Aurora, CO (US);

Robert T. Taepke, Coon Rapids, MN (US);

David R. Bloem, Maple Grove, MN (US);

Yong K. Cho, Maple Grove, MN (US);

Donna M. Salmi, Minneapolis, MN (US);

Inventors:

Saul E. Greenhut, Aurora, CO (US);

Robert T. Taepke, Coon Rapids, MN (US);

David R. Bloem, Maple Grove, MN (US);

Yong K. Cho, Maple Grove, MN (US);

Donna M. Salmi, Minneapolis, MN (US);

Assignee:

Medtronic, Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/02 (2006.01); A61B 5/0215 (2006.01); A61B 5/024 (2006.01); A61M 5/142 (2006.01); A61M 5/172 (2006.01); A61N 1/365 (2006.01); A61N 1/39 (2006.01); A61B 5/00 (2006.01); A61B 5/042 (2006.01); A61N 1/372 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0215 (2013.01); A61B 5/024 (2013.01); A61B 5/7239 (2013.01); A61M 5/14276 (2013.01); A61M 5/1723 (2013.01); A61N 1/36564 (2013.01); A61N 1/3962 (2013.01); A61B 5/0031 (2013.01); A61B 5/0422 (2013.01); A61B 5/686 (2013.01); A61B 5/6847 (2013.01); A61B 5/6869 (2013.01); A61B 5/6876 (2013.01); A61M 2205/054 (2013.01); A61M 2210/125 (2013.01); A61N 1/37247 (2013.01);
Abstract

Various techniques for measuring cardiac cycle length and pressure metrics based on pulmonary artery pressures are described. One example method described includes identifying a point within a derivative signal of a cardiovascular pressure signal without reference to electrical activity of a heart, initiating a time window from the identified point in the derivative signal, identifying a point within the cardiovascular signal within the time window, and determining at least one of a systolic pressure or diastolic pressure based on the identified point.


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