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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0654413 (2007-01-16) |
등록번호 | US-8197879 (2012-06-12) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 7 인용 특허 : 791 |
A stent mandrel fixture for supporting a stent during the application of a coating substance is provided. A method supporting a stent during the application of a coating substance is also provided.
1. A method of coating a stent with a composition, the method comprising: positioning a stent on a support, the support comprising a masking element configured to be inserted through a bore of a stent, the masking element having an expanded configuration and a retracted configuration, andan expansio
1. A method of coating a stent with a composition, the method comprising: positioning a stent on a support, the support comprising a masking element configured to be inserted through a bore of a stent, the masking element having an expanded configuration and a retracted configuration, andan expansion causing mechanism capable of expanding the masking element from the retracted configuration to the expanded configuration to cause the masking element to make contact with and mask an inner surface of the stent, wherein the expansion causing mechanism expands the masking element by supplying a gas or fluid into the masking element, wherein a coupling is disposed between the masking element and the expansion causing mechanism, the coupling enabling the masking element to rotate without having to rotate the expansion causing mechanism; andapplying a coating composition to the stent. 2. The method of claim 1, wherein the temperature of the gas or fluid is other than room temperature. 3. A method of coating a stent with a composition, the method comprising: positioning a stent on a support, the support comprising a hollow tubular member configured to be inserted into a longitudinal bore of a stent,a rod extending through the tubular member, anda movable member on the rod, wherein tilting of the movable member in a first direction relative to the rod causes the tubular member to radially expand to support the stent during the application of a coating composition to the stent, and tilting of the movable member in a second direction relative to the rod causes the tubular member to radially contract to allow removal of the stent from the tubular member,wherein the tubular member is disposed between the movable member and a compression surface coupled to the rod, and tilting of the movable member in the first direction causes the tubular member to be axially compressed between the movable member and the compression surface; andapplying a coating composition to the stent. 4. A method of coating a stent with a composition, the method comprising: positioning a stent on a support, the support comprising a base,a compression surface,a support element having a proximal end disposed against the base, and a distal end disposed against the compression surface, the support element having an expanded configuration of being engaged with the stent and a reduced configuration of being disengaged from the stent,an expansion causing device configured to tilt relative to the base so as to move from a first tilt position to a second tilt position, the first tilt position corresponding to the expanded configuration of the support element, the second tilt position corresponding to the reduced configuration of the support element, anda movable member coupled to the compression surface, the movable member coupled to the base by the expansion causing device such that tilting of the expansion causing device causes the movable member to move relative to the base, wherein the support element is disposed within a space between the compression surface and the base, tilting of the expansion causing device toward the first tilt position causes a decrease in size of the space, and tilting of the expansion causing device toward the second tilt position causes an increase in size of the space; andapplying a coating composition to the stent. 5. The method of claim 1, wherein the stent includes a plurality of struts that are radially expandable and define a tubular body through which the masking element extends while applying the coating composition to the stent. 6. The method of claim 5, further comprising supplying a fluid or gas into the masking element so that the masking element expands at least partially extends through gaps between the struts. 7. The method of claim 3, wherein the stent includes a plurality of struts that are radially expandable and define a tubular body through which the tubular member extends while applying the coating composition to the stent. 8. The method of claim 7, further comprising tilting the moveable member in the first direction so that the tubular member expands at least partially through gaps between the struts. 9. The method of claim 4, wherein tilting of the expansion causing device toward the first tilt position causes the compression surface and movable member to move inward toward the base, and tilting of the expansion causing device toward the second tilt position causes the compression surface and movable member to move outward from the base. 10. The method of claim 4, wherein the stent includes a plurality of struts that are radially expandable and define a tubular body through which the support element extends while applying the coating composition to the stent. 11. The method of claim 10, further comprising tilting the expansion causing device to the first tilt position so that the support element, in the expanded configuration, extends at least partially through gaps between the struts. 12. The method of claim 1, wherein the support further comprises a pressure monitor disposed within the masking element and for providing feedback to the expansion causing mechanism to allow the expansion causing mechanism to adjust the amount of gas or fluid supplied into the masking element.
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