Manufacturing process for polymetric stents
AssigneeAdvanced Cardiovascular Systems, Inc.
InventorsDavid C. Gale, Bin Huang, Anthony J. Abbate, Timothy A. Limon, Klaus Kleine
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Abstract
Methods and systems of fabricating a polymeric stent are disclosed herein. Methods are disclosed that include forming a polymeric tube using extrusion, radially deforming the formed tube so that the deformed tube comprises a target diameter, forming a stent from the deformed tube, and forming a stent from the deformed tube. The stent is formed by laser machining a stent pattern in the deformed tube with an ultra-short pulse laser. Disclosed methods further include crimping the stent on a support element, wherein a temperature of the stent during crimping is above an ambient temperature.
Claims18
A method of fabricating a stent delivery device comprising:
- forming a polymeric tube using extrusion, the tube being drawn during extrusion so that a diameter of the formed tube is less than a target diameter;
- radially deforming the formed tube so that the deformed tube comprises the target diameter;
- forming a stent from the deformed tube, wherein forming the stent includes laser machining a stent pattern in the deformed tube with an ultra-short pulse laser;
- and
- crimping the stent on a support element, wherein a temperature of the stent during crimping is above an ambient temperature, wherein the support element comprises a catheter and/or balloon.
A method of manufacturing a stent comprising:
- forming a polymeric tube using extrusion, the tube being drawn during extrusion so that a diameter of the formed tube is less than a target diameter;
- radially deforming the extruded tube to the target diameter;
- and
- forming a stent from the deformed tube, wherein forming the stent includes laser machining a stent pattern in the deformed tube with an ultra-short pulse laser.
A method of manufacturing a stent comprising:
- radially deforming a polymeric tube about a cylindrical axis of the tube;
- and
- forming a stent from the deformed tube, wherein forming the stent includes laser machining a stent pattern in the deformed tube with an ultra-short pulse laser.
A method comprising:
- radially deforming a polymeric tube about a cylindrical axis of the tube;
- and
- fabricating a stent from the deformed tube;
- and
- crimping the stent on a support element, wherein a temperature of the stent during crimping is above an ambient temperature, wherein the support element comprises a catheter and/or balloon.
Dependencies are inferred from the claim text.