US 11,701,828 B2
Additive manufacturing for medical devices
Timothy M. Ramos, Blaine, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Filed by Medtronic, Inc., Minneapolis, MN (US)
Filed on Oct. 27, 2020, as Appl. No. 17/81,815.
Claims priority of provisional application 62/927,092, filed on Oct. 28, 2019.
Prior Publication US 2021/0122115 A1, Apr. 29, 2021
Int. Cl. B29C 64/336 (2017.01); A61M 25/00 (2006.01); B29C 64/118 (2017.01); B29C 64/295 (2017.01); B33Y 30/00 (2015.01); B33Y 80/00 (2015.01); B33Y 10/00 (2015.01); B29L 31/00 (2006.01)
CPC B29C 64/336 (2017.08) [A61M 25/0009 (2013.01); B29C 64/118 (2017.08); B29C 64/295 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 80/00 (2014.12); A61M 2207/10 (2013.01); B29L 2031/7542 (2013.01)] 25 Claims
OG exemplary drawing
 
1. An additive manufacturing apparatus comprising: a heating block at least partially defining an interior volume to allow an elongate substrate to pass through the interior volume and through the heating block, wherein the heating block at least partially defines a first filament port in fluid communication with the interior volume; and a first guide sheath coupled to the heating block and extending into the first filament port from an exterior of the heating block, the first guide sheath defining a lumen in fluid communication with the interior volume, wherein the heating block at least partially defines a second filament port in fluid communication with the interior volume separate from the first filament port.