US 12,274,633 B2
Stent retention
Ashur Bourang, Turlock, CA (US); and Henry Bourang, Turlock, CA (US)
Assigned to Advanced Bifurcation Systems Inc., Livermore, CA (US)
Filed by Advanced Bifurcation Systems Inc., Livermore, CA (US)
Filed on Aug. 11, 2022, as Appl. No. 17/885,723.
Application 17/885,723 is a division of application No. 17/198,685, filed on Mar. 11, 2021, granted, now 11,452,629.
Claims priority of provisional application 62/988,132, filed on Mar. 11, 2020.
Prior Publication US 2023/0042061 A1, Feb. 9, 2023
Int. Cl. A61F 2/95 (2013.01); A61F 2/958 (2013.01)
CPC A61F 2/9525 (2020.05) [A61F 2/958 (2013.01); A61F 2002/9583 (2013.01); A61F 2210/0019 (2013.01); A61F 2250/0098 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A method for retaining a stent, comprising:
providing a stent delivery system comprising a first elongate shaft and a first radially expandable member disposed on a distal portion of the first elongate shaft,
wherein the first elongate shaft further comprises a distal radiopaque marker on a distal portion of the first elongate shaft and a proximal radiopaque marker disposed on the distal portion of the first elongate shaft, the proximal marker proximal of the distal marker;
inserting the first radially expandable member into a cavity in a mold;
partially crimping a distal portion of the stent onto the first radially expandable member to hold the stent in alignment between the proximal and distal radiopaque markers;
fully crimping the distal portion of the stent onto the first radially expandable member, wherein fully crimping embeds the stent onto the first radially expandable member;
applying heat and pressure to the first radially expandable member while disposed in the cavity in the mold, thereby imparting a shape memory to a portion of the first radially expandable member; and
slidably disposing a second elongate shaft having a second radially expandable member under a proximal portion of the stent and through a side hole of the stent after the fully crimping; and
simultaneously crimping the stent onto the first radially expandable member and the second radially expandable member.