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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0549373 (2012-07-13) |
등록번호 | US-8419788 (2013-04-16) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 646 |
A woven, self-expanding stent device has one or more strands and is configured for insertion into an anatomical structure. The device includes a coupling structure secured to two different strand end portions that are substantially aligned with each other. The two different strand end portions inclu
A woven, self-expanding stent device has one or more strands and is configured for insertion into an anatomical structure. The device includes a coupling structure secured to two different strand end portions that are substantially aligned with each other. The two different strand end portions include nickel and titanium. The coupling structure is not a strand of the device.
1. A stent comprising: a multiple number of strands each including a strand portion on both sides of a first strand bend, each of the strand portions having an end, the strand portions being woven to define a stent body having a plurality of strand intersections between a first stent body end and a
1. A stent comprising: a multiple number of strands each including a strand portion on both sides of a first strand bend, each of the strand portions having an end, the strand portions being woven to define a stent body having a plurality of strand intersections between a first stent body end and a second stent body end, one said strand portion crossing one other said strand portion at each of said strand intersections, the first strand bends defining the first stent body end, some of the strand portions including a second strand bend and being back braided towards the first stent body end, the second strand bends defining the second stent body end, the strand portion ends disposed proximate to the second stent body end; anda multiple number of tubular coupling structures, the number of coupling structures equal to the number of strands, the coupling structures being different than the strands, each of the coupling structures secured to two of said strand portion ends by welding, the coupling structures being axially aligned with each other along an axial direction of the stent, and at least one crossing strand crossing over each of the coupling structures at a position radially outward from the coupling structure. 2. The stent of claim 1, wherein welding comprises forming a first welded region and a second welded region, the first welded region spaced apart from the second welded region along a length of the coupling structure. 3. The stent of claim 1, wherein the coupling structures are spaced from the second stent body end by at least two strand crossings. 4. The stent of claim 1, wherein each of the coupling structures includes a passageway having a diameter sized to receive one said strand. 5. The stent of claim 1, wherein the strand portion ends secured by each of the coupling structures are aligned end end-to-end. 6. The stent of claim 5, wherein the strand portion ends secured by each of the coupling structures are spaced apart from each other. 7. The stent of claim 1, wherein a diameter of the stent is between about 4 mm and about 10 mm. 8. The stent of claim 1, wherein a length of the stent is between about 40 mm and about 150 mm. 9. The stent of claim 1, wherein each of the strands is a round wire. 10. The stent of claim 1, wherein each of the strands has a diameter between about 0.006 inches and about 0.008 inches. 11. The stent of claim 1, wherein the strands comprise nitinol. 12. The stent of claim 1, wherein the coupling structures comprise nitinol. 13. The stent of claim 1, wherein the strands and the coupling structures comprise the same material. 14. The stent of claim 1, wherein the multiple number of strands includes six strands. 15. The stent of claim 1, wherein each of the coupling structures is substantially centered radially inward of the crossing strand crossing that coupling structure. 16. The stent of claim 1, wherein the coupling structures are spaced from the second stent body end by at least three strand crossings. 17. The stent of claim 1, wherein the coupling structures are spaced from the second stent body end by at least four strand crossings.
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