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:
May. 29, 2018
Filed:
Jan. 29, 2016
Applicant:
Futurematrix Interventional, Athens, TX (US);
Inventors:
David L. Nichols, Brownsboro, TX (US);
Christopher A. Richardson, Athens, TX (US);
Assignee:
FUTUREMATRIX INTERVENTIONAL, Athens, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/04 (2013.01); A61F 2/848 (2013.01); A61M 27/00 (2006.01); A61F 2/00 (2006.01); A61L 31/06 (2006.01); A61M 25/00 (2006.01); A61M 25/01 (2006.01);
U.S. Cl.
CPC ...
A61F 2/848 (2013.01); A61F 2/0095 (2013.01); A61F 2/04 (2013.01); A61L 31/06 (2013.01); A61M 27/008 (2013.01); A61F 2002/048 (2013.01); A61F 2210/00 (2013.01); A61F 2240/001 (2013.01); A61M 25/002 (2013.01); A61M 25/0009 (2013.01); A61M 25/0102 (2013.01); A61M 2207/00 (2013.01);
Abstract
A ureteral stent comprises an internal portion, which comprises a first polymer, and an external portion, which comprises a second polymer. The external portion surrounds the internal portion and has a plurality of radial projections that extend along the length of the ureteral stent. The second polymer has a Shore D hardness of 20-40 Shore D. The first polymer has a Shore D hardness that is at least 10 units greater than the Shore D hardness of the second polymer.