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. 02, 2023
Filed:
Aug. 09, 2019
Applicant:
Carnegie Mellon University, Pittsburgh, PA (US);
Inventors:
Zhou Yu, Pittsburgh, PA (US);
Philip R. LeDuc, Wexford, PA (US);
O. Burak Ozdoganlar, Sewickley, PA (US);
Assignee:
CARNEGIE MELLON UNIVERSITY, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/106 (2017.01); B29C 64/20 (2017.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); A61L 27/20 (2006.01); A61L 27/22 (2006.01); A61L 27/26 (2006.01); B29K 105/24 (2006.01); B29K 105/00 (2006.01); B29K 67/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 64/106 (2017.08); A61L 27/20 (2013.01); A61L 27/222 (2013.01); A61L 27/26 (2013.01); B29C 64/20 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); B29K 2067/043 (2013.01); B29K 2105/0061 (2013.01); B29K 2105/24 (2013.01); B29K 2995/0056 (2013.01); B29L 2031/7532 (2013.01);
Abstract
A method and device for fabricating vascular networks in for tissue engineering. The vascular network is embedded in a porous scaffold and is created from a sacrificial wax template, according to one embodiment. A extrusion-based three dimensional printer is used to create the template, wherein the printer utilizes an extruder incorporating a mixer to maintain the consistency of the extrudate.