US 12,343,273 B2
Delivery of medical devices
Kurt Haggstrom, Mission Viejo, CA (US); Michael L. Losordo, San Juan Capistrano, CA (US); and Kenneth Brown, Oceanside, CA (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Aug. 26, 2021, as Appl. No. 17/446,050.
Application 17/446,050 is a continuation of application No. 16/123,549, filed on Sep. 6, 2018, granted, now 11,103,374.
Application 16/123,549 is a continuation of application No. 15/331,008, filed on Oct. 21, 2016, granted, now 10,092,431, issued on Oct. 9, 2018.
Application 15/331,008 is a continuation of application No. 14/040,510, filed on Sep. 27, 2013, granted, now 9,474,639, issued on Oct. 25, 2016.
Claims priority of provisional application 61/870,755, filed on Aug. 27, 2013.
Prior Publication US 2021/0386570 A1, Dec. 16, 2021
Int. Cl. A61F 2/966 (2013.01); A61F 2/82 (2013.01); A61F 2/86 (2013.01); A61F 2/90 (2013.01); A61F 2/92 (2013.01); A61F 2/95 (2013.01); A61F 2/958 (2013.01); A61F 2/962 (2013.01); A61F 2/97 (2013.01); A61M 25/00 (2006.01)
CPC A61F 2/966 (2013.01) [A61F 2/82 (2013.01); A61F 2/86 (2013.01); A61F 2/90 (2013.01); A61F 2/92 (2013.01); A61F 2/95 (2013.01); A61F 2/958 (2013.01); A61F 2/962 (2013.01); A61F 2/97 (2013.01); A61M 25/0053 (2013.01); A61M 25/008 (2013.01); A61F 2002/823 (2013.01); A61F 2002/9505 (2013.01); A61F 2002/9528 (2013.01); A61F 2230/0091 (2013.01); A61F 2250/0018 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method of operating a stent delivery system, the method comprising:
inserting a core member into a catheter in a tortuous configuration, the core member comprising a longitudinally extending tube having a helical cut extending along the tube, the helical cut having an axial length of at least 50 cm and being continuous along the axial length;
pushing the core member through the tortuous catheter; and
by pushing the core member, causing the tube to flex along the helical cut, thereby facilitating advancement of the core member through the tortuous catheter.