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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0466576 (2014-08-22) |
등록번호 | US-9314230 (2016-04-19) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 3 인용 특허 : 699 |
An anchor for use with a closure device includes a body being configured to move from a pre-deployed state to a deployed state. In the pre-deployed state, the body has a first width aspect relative to a direction of deployment and a second width aspect in the deployed state relative to the direction
An anchor for use with a closure device includes a body being configured to move from a pre-deployed state to a deployed state. In the pre-deployed state, the body has a first width aspect relative to a direction of deployment and a second width aspect in the deployed state relative to the direction of deployment, the second width aspect being greater than the first width aspect and the body being formed from a rapidly eroding material configured to erode through dissolution within a body lumen.
1. A closure device for sealing an intravascular puncture site located in a wall in a blood vessel, the blood vessel defining a body lumen having a blood stream, the closure device comprising: a closure element made of biocompatible, hemostatic material;an anchor; anda tether extending through the a
1. A closure device for sealing an intravascular puncture site located in a wall in a blood vessel, the blood vessel defining a body lumen having a blood stream, the closure device comprising: a closure element made of biocompatible, hemostatic material;an anchor; anda tether extending through the anchor and the closure element, wherein the anchor comprises a body being configured to move from a pre-deployed state to a deployed state, wherein in the pre-deployed state the body has a first width aspect relative to a direction of deployment, and a second width aspect in the deployed state relative to the direction of deployment, the second width aspect being greater than the first width aspect,wherein the body is formed from a rapidly eroding material configured to erode through dissolution within a body lumen, the rapidly eroding material being a solid solution based on a sugar alcohol solvent and a solute,wherein the anchor initially has sufficient structural integrity to deploy through the puncture site and function as an anchor during placement of the closure element, andwherein the anchor erodes or dissolves more rapidly than the closure element so that, once the anchor is placed in the body lumen, it rapidly erodes or dissolves in the blood stream and leaves behind the closure element. 2. The closure device of claim 1, wherein the body is configured to erode in less than twelve hours. 3. The closure device of claim 1, wherein the body is configured to erode in less than one hour. 4. The closure device of claim 1, wherein the body includes a major axis and wherein the body is configured to rotate in response to a force applied parallel to the major axis. 5. The closure device of claim 1, wherein the sugar alcohol includes mannitol, sorbitol, or isomalt. 6. The closure device of claim 1, wherein the body further includes at least one polymeric component. 7. The closure device of claim 6, wherein the at least one polymeric component includes at least one of poly-vinylpyrrolidone, poly-ethyleneglycol, hydroxyethyl starch, polysaccharide, dextran or dextran sulfate. 8. The closure device of claim 1, wherein the rapidly eroding material includes a plurality of pores. 9. The closure device of claim 8, wherein at least one of the plurality of pores includes at least one beneficial agent. 10. The closure device of claim 1, wherein the anchor includes at least one of poly-vinyl pyrrolidone, hyaluronic acid, dextran, hydrogel, heparin, and benzalkonium heparin. 11. The closure device of claim 1, wherein the anchor is formed using a freeze-drying process. 12. The closure device of claim 1, wherein the solid solution is a solid solution of hydroxyethyl starch in mannitol-sorbitol. 13. The closure device of claim 1, wherein the body includes an eyelet extending through the body.
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