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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0706079 (2012-12-05) |
등록번호 | US-9387063 (2016-07-12) |
발명자 / 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 412 |
A blood filter delivery system for delivering a filter into a vein includes an introducer and a push rod with a spline member disposed along the push rod. The spline member has a main body, and first and second boss portions spaced apart along the longitudinal axis to provide a gap for retaining anc
A blood filter delivery system for delivering a filter into a vein includes an introducer and a push rod with a spline member disposed along the push rod. The spline member has a main body, and first and second boss portions spaced apart along the longitudinal axis to provide a gap for retaining anchor member of the filter during delivery via the introducer.
1. A filter delivery system including a vena cava filter having a plurality of anchor members terminating in a hook, each anchor member having an anchor portion adjacent to the hook, the delivery system comprising a pusher assembly including a spline member having a plurality of grooves longitudinal
1. A filter delivery system including a vena cava filter having a plurality of anchor members terminating in a hook, each anchor member having an anchor portion adjacent to the hook, the delivery system comprising a pusher assembly including a spline member having a plurality of grooves longitudinally extending a length of the spline member, each groove defining a plurality of different widths, wherein a minimum width of each groove is less than a maximum width of the anchor portion adjacent to the hook, each anchor portion having a body positioned in one of the plurality of grooves, and each hook having an end positioned outside of the groove. 2. The filter delivery system according to claim 1, wherein the pusher assembly includes an elongated member, and wherein the spline member is disposed along a distal section of the elongated member. 3. The filter delivery system according to claim 2, wherein the pusher assembly includes a handle at a proximal end of the elongated member and a pusher pad at a distal end of the elongated member, and wherein the spline member is disposed between the handle and the pusher pad. 4. The filter delivery system according to claim 3, wherein the elongated member includes a flexible section connected directly to the pusher pad, the flexible section compressed along the longitudinal axis to provide a spring force for deployment of the vena cava filter. 5. The filter delivery system according to claim 1, wherein each anchor portion of the anchor member has a width less than a maximum width of the anchor member. 6. The filter delivery system according to claim 5, wherein the maximum width of the anchor member is greater than the minimum width of the plurality of widths of the groove. 7. The filter delivery system according to claim 1, wherein the plurality of widths decrease along a length of the spline member. 8. The filter delivery system according to claim 1, wherein the spline member includes a first conical surface and a second conical surface. 9. The filter delivery system according to claim 8, wherein the plurality of grooves are defined in the first conical surface and the hook end of each anchor member is positioned over the second conical surface. 10. The filter delivery system according to claim 1, wherein the anchor portion has a frustoconical shape including a first diameter and a second diameter smaller than the first diameter, wherein the first diameter is equivalent to a maximum width of the anchor member, and wherein the anchor portion length positioned in the groove includes the second diameter. 11. The filter delivery system according to claim 1, further comprising an introducer having a coupling port connected to an elongated generally tubular member, a storage member coupled to the coupling port of the introducer and a Y-adaptor, wherein the pusher assembly has a distal end disposed in the storage member and a proximal end extending out of the Y-adapter.
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