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:
Jun. 30, 2020
Filed:
Nov. 11, 2015
Applicant:
University of Maryland, Baltimore, Baltimore, MD (US);
Inventors:
Zhongjun Wu, Marriottsville, MD (US);
Bartley P. Griffith, Gibson Island, MD (US);
Keshava Rajagopal, Sugar Land, TX (US);
Assignee:
University of Maryland, Baltimore, Baltimore, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
A61M 1/36 (2006.01); A61M 1/10 (2006.01); A61B 17/34 (2006.01); A61B 17/00 (2006.01); A61M 1/12 (2006.01);
U.S. Cl.
CPC ...
A61M 1/3659 (2014.02); A61B 17/3417 (2013.01); A61B 17/3421 (2013.01); A61B 17/3439 (2013.01); A61M 1/1008 (2014.02); A61B 2017/00247 (2013.01); A61B 2017/3419 (2013.01); A61B 2017/3425 (2013.01); A61M 1/101 (2013.01); A61M 1/122 (2014.02);
Abstract
The present invention discloses a self-sealing cannula that through a self-sealing mechanism fixed on the ventricular wall or atrial wall, the cannula body is attached to the self-sealing fixture and blood is drawn into the lumen via an external pump and returned to the circulation system through a separate cannula; in the case of the double lumen cannula embodiment, the blood will be drawn into the drainage lumen of the double lumen cannula and returned through an infusion lumen at the desired location.