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:
Jan. 10, 2017
Filed:
Mar. 12, 2013
Applicant:
Medtronic, Inc., Minneapolis, MN (US);
Inventor:
Brian D. Nelson, Birchwood, MN (US);
Assignee:
Medtronic, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/14 (2006.01); A61M 25/00 (2006.01); A61M 5/142 (2006.01);
U.S. Cl.
CPC ...
A61M 5/141 (2013.01); A61M 5/14276 (2013.01); A61M 25/0023 (2013.01); A61M 25/0084 (2013.01); A61M 25/007 (2013.01); A61M 2005/1406 (2013.01); A61M 2025/0042 (2013.01); A61M 2025/0089 (2013.01); A61M 2210/0693 (2013.01);
Abstract
A stepped catheter comprising a distal portion of smaller diameter than a proximal portion, wherein the distal portion defines a flow aperture configured to deliver fluid passing through the catheter from the proximal portion to the flow aperture. The catheter may include a flow restrictor located within a lumen of the catheter at or near the flow aperture. A filter element may also be included and located within the lumen of the catheter at a location upstream of the flow restrictor.