Rotatable support elements for stents
First Claim
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1. A method of coating a stent, comprising:
- positioning a stent on a support element;
applying a coating composition to the stent;
applying at least one translational pulse to the support element along an axis of the stent during coating of the stent, wherein the at least one translational pulse causes the support element to move axially relative to the stent; and
axially translating an assembly that includes the support element to cause the stent to move axially back and forth during application of the coating composition to the stent, wherein the at least one translational pulse causes the support element to move relative to other parts of the assembly that were or are being axially translated, andwherein the at least one translational pulse has a start time and an end time, wherein at the start time and the end time there is a zero difference in axial translation rate between the support element and the other parts of the assembly that were or are being axially translated, and wherein at a time between the start time and the end time there is a non-zero difference in axial translation rate between the support element and the other parts of the assembly that were or are being axially translated.
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Abstract
Various embodiments of methods and devices for coating stents are described herein.
1107 Citations
21 Claims
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1. A method of coating a stent, comprising:
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positioning a stent on a support element; applying a coating composition to the stent; applying at least one translational pulse to the support element along an axis of the stent during coating of the stent, wherein the at least one translational pulse causes the support element to move axially relative to the stent; and axially translating an assembly that includes the support element to cause the stent to move axially back and forth during application of the coating composition to the stent, wherein the at least one translational pulse causes the support element to move relative to other parts of the assembly that were or are being axially translated, and wherein the at least one translational pulse has a start time and an end time, wherein at the start time and the end time there is a zero difference in axial translation rate between the support element and the other parts of the assembly that were or are being axially translated, and wherein at a time between the start time and the end time there is a non-zero difference in axial translation rate between the support element and the other parts of the assembly that were or are being axially translated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of coating a stent, comprising:
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positioning a stent on a support element; applying a coating composition to the stent; and applying at least one translational pulse to the support element along an axis of the stent during coating of the stent, wherein the at least one translational pulse causes the support element to move axially relative to the stent, and wherein the support element is partially inserted in one end of the stent, and the at least one translational pulse translates the support element in an inward direction relative to the stent and further into the one end of the stent. - View Dependent Claims (15, 16, 17)
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18. A method of coating a stent, comprising:
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positioning a stent on a support element; applying a coating composition to the stent; and applying at least one translational pulse to the support element along an axis of the stent during coating of the stent, wherein the at least one translational pulse causes the support element to move axially relative to the stent, and wherein the support element is partially inserted in one end of the stent, and the at least one translational pulse translates the support element in an outward direction relative to the stent and further out of the one end of the stent. - View Dependent Claims (19, 20)
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21. A method of coating a stent, comprising:
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positioning a stent on a support element; applying a coating composition to the stent; and applying at least one translational pulse to the support element along an axis of the stent during coating of the stent, wherein the at least one translational pulse causes the support element to move axially relative to the stent, and wherein the translational pulse starts at a first axial position and ends at a third axial position, and the translational pulse translates the support element from the first axial position to a second axial position offset from the first axial position and then to the third axial position toward and past the first axial position.
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Specification