US 12,274,634 B2
Pliant members for receiving and aiding in the deployment of vascular prostheses
Wayne Mower, Bountiful, UT (US); Michael Adams, Bluffdale, UT (US); Zeke Eller, Plano, TX (US); John Hall, North Salt Lake, UT (US); and Christopher Cindrich, Highland, UT (US)
Assigned to Merit Medical Systems, Inc., South Jordan, UT (US)
Filed by Merit Medical Systems, Inc., South Jordan, UT (US)
Filed on Oct. 12, 2020, as Appl. No. 17/068,521.
Application 17/068,521 is a continuation of application No. 15/718,419, filed on Sep. 28, 2017, granted, now 10,799,378.
Claims priority of provisional application 62/401,628, filed on Sep. 29, 2016.
Prior Publication US 2021/0161692 A1, Jun. 3, 2021
Int. Cl. A61F 2/966 (2013.01); A61B 17/00 (2006.01); A61F 2/82 (2013.01); A61F 2/95 (2013.01); A61M 25/00 (2006.01)
CPC A61F 2/966 (2013.01) [A61B 17/00 (2013.01); A61B 2017/00407 (2013.01); A61F 2/82 (2013.01); A61F 2/9517 (2020.05); A61F 2002/9665 (2013.01); A61M 25/0009 (2013.01); A61M 25/0026 (2013.01); A61M 2025/0034 (2013.01); A61M 2025/0039 (2013.01); A61M 2205/0216 (2013.01)] 20 Claims
OG exemplary drawing
 
12. A method of treating a vascular lesion, comprising:
positioning a stent adjacent the vascular lesion, wherein the stent is constrained by an outer sheath of a stent deployment device;
actuating the stent deployment device, wherein the outer sheath is retracted relative to the stent;
deploying a distal portion of the stent against a vessel wall adjacent the vascular lesion, such that the distal portion is not constrained by the outer sheath;
deploying a middle portion of the stent against the vessel wall, such that the middle portion is not constrained by the outer sheath;
displacing the stent deployment device relative to the deployed distal portion to change an effective length of the stent;
deploying a proximal portion of the stent;
applying a radial outwardly directed force to the vessel wall adjacent the vascular lesion by the stent,
wherein the stent comprises a plurality of rows of helical coils that are nestable with each other such that each row of the plurality of rows of helical coils is configured to be displaced toward at least a portion of an adjacent row; and
nesting and unnesting adjacent rows of helical coils in the distal portion, middle portion, and the proximal portion of the stent to change the effective length of the stent while deploying the distal portion, the middle portion, and the proximal portion of the stent;
wherein bends of the plurality of rows of helical coils circumferentially align with each other along an axis parallel to a longitudinal axis of the stent.