US 12,257,394 B2
Catheters including radiopaque markers and methods of making the same
Juan Ramon Gonzalez, Arleta, CA (US); Sam William Bowman, Valencia, CA (US); and Rudolph A. Montalvo, Woodland Hills, CA (US)
Assigned to MEDTRONIC MINIMED, INC., Northridge, CA (US)
Filed by MEDTRONIC MINIMED, INC., Minneapolis, MN (US)
Filed on Jul. 3, 2021, as Appl. No. 17/367,358.
Application 17/367,358 is a division of application No. 16/041,542, filed on Jul. 20, 2018, granted, now 11,123,516.
Claims priority of provisional application 62/535,796, filed on Jul. 21, 2017.
Prior Publication US 2021/0330932 A1, Oct. 28, 2021
Int. Cl. A61M 25/00 (2006.01); A61L 29/06 (2006.01); A61L 29/14 (2006.01); A61L 29/18 (2006.01); B23P 15/00 (2006.01); B29C 65/40 (2006.01); A61M 5/142 (2006.01); A61M 25/01 (2006.01); B29C 45/14 (2006.01); B29K 83/00 (2006.01); B29K 105/00 (2006.01); B29K 683/00 (2006.01); B29L 31/00 (2006.01)
CPC A61M 25/0012 (2013.01) [A61L 29/06 (2013.01); A61L 29/14 (2013.01); A61L 29/18 (2013.01); A61M 25/0069 (2013.01); A61M 5/14276 (2013.01); A61M 25/0102 (2013.01); A61M 25/0108 (2013.01); A61M 2205/32 (2013.01); A61M 2207/00 (2013.01); B23P 15/00 (2013.01); B29C 45/14336 (2013.01); B29C 65/405 (2013.01); B29K 2083/00 (2013.01); B29K 2105/0097 (2013.01); B29K 2683/00 (2013.01); B29L 2031/7542 (2013.01); Y10T 29/4998 (2015.01)] 16 Claims
OG exemplary drawing
 
1. A method of making a catheter, comprising:
providing a catheter body having a distal end and defining a lumen therethrough;
inserting a radiopaque marker into the lumen of the catheter body, wherein inserting the radiopaque marker into the lumen comprises extending a portion of the radiopaque marker out from the distal end of the catheter body;
providing an abutment in the lumen of the catheter body, the abutment configured to transfer force from a stylet to the catheter body and to prevent the stylet from directly engaging the radiopaque marker; and
after the radiopaque marker has been inserted into the catheter body lumen, providing a non-metal tip on the distal end of the catheter body, wherein providing the non-metal tip on the distal end of the catheter body comprises receiving the portion of the radiopaque marker in an indentation in the non-metal tip.