[특허]Electrically actuated annelid

Electrically actuated annelid 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-031/00 A61M-025/01 A61M-025/00
출원번호	US-0506491 (2006-08-18)
등록번호	US-9242073 (2016-01-26)
발명자 / 주소	Sutermeister, Derek Rassat, Jay Wefel, Dan
출원인 / 주소	Boston Scientific Scimed, Inc.
대리인 / 주소	Seager, Tufte & Wickhem LLP
인용정보	피인용 횟수 : 0 인용 특허 : 48

초록

An apparatus for delivery through a vessel including an extensor segment and first and second anchor segments positioned on either side of the extensor segment, wherein each segment has associated with it an individually-addressable electro-active polymer.

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1. An apparatus for delivery of a medical device through a vessel, the apparatus comprising: an extensor segment configured to be selectively elongated along a longitudinal axis of the apparatus;first and second anchor segments positioned on either side of the extensor segment and fixedly secured to opposing ends of the extensor segment, the first and second anchor segments configured to be selectively radially expanded and place a compressive load against the vessel; anda medical device affixed along the extensor segment between the first and second anchor segments, wherein the medical device is selected from the group consisting of a stent, a balloon, a graft, and a filter;wherein each segment has associated with it an individually-addressable electro-active polymer;wherein the first and second anchor segments each include a plurality of holes extending axially therethrough;wherein the medical device is removable from the extensor segment such that the medical device remains in the vessel when the apparatus is withdrawn. 2. The apparatus of claim 1, further comprising: a power source coupled to provide electrical current to actuate the electro-active polymer of each segment. 3. The apparatus of claim 1, further comprising: a controller configured to direct a control signal to cause actuation of the electro-active polymer associated with a segment. 4. The apparatus of claim 1, wherein the electro-active polymer comprises a polypyrrole polymer. 5. The apparatus of claim 1, wherein the electro-active polymer associated with at least one of the first and second anchor segments comprises an individually-addressable radially-actuating electro-active polymer. 6. The apparatus of claim 1, wherein the electro-active polymer associated with the extensor segment comprises an individually-addressable length-actuating electro-active polymer. 7. The apparatus of claim 1, further comprising a pair of electro-active polymer fingers configured to form a fork in response to actuation. 8. The apparatus of claim 1, wherein the extensor segment comprises a series of sub-segments, wherein each sub-segment has associated with it an individually-addressable electro-active polymer. 9. The apparatus of claim 1, wherein the extensor segment comprises plural ligaments, wherein each ligament has associated with it an individually-addressable electro-active polymer. 10. The apparatus of claim 1, wherein at least one of the first and second anchor segments comprises a pair of individually-addressable electro-active sides configured to change the orientation of the at least one of the first and second anchor segments in response to actuation. 11. The apparatus of claim 1, wherein the extensor segment comprises plural individually addressable ligaments wound in a helix. 12. The apparatus of claim 1, wherein at least one of the segments includes a radio-opaque material. 13. The apparatus of claim 1, further comprising: an external power source electrically coupled to the segments. 14. The apparatus of claim 13, wherein the electric coupling comprises an inductive coupling. 15. The apparatus of claim 1, further comprising: a battery electrically coupled to the segments. 16. A method of delivering a medical device through a vessel, the method comprising: affixing a medical device to a delivery apparatus, the delivery apparatus having a first anchor segment configured to be selectively radially expanded, a second anchor segment configured to be selectively radially expanded, and an extensor segment extending between the first and second anchor segments and fixedly secured to each of the first and second anchor segments which is configured to be selectively elongated, wherein each segment has associated with it an individually-addressable electro-active polymer, wherein the medical device is affixed along the extensor segment between the first and second anchor segments, wherein the medical device is selected from the group consisting of a stent, a balloon, a graft, and a filter, and wherein the first anchor segment and the second anchor segment each include a plurality of holes extending axially therethrough;inserting the delivery apparatus into the vessel;actuating the delivery apparatus within the vessel to propel the apparatus to a target location within the vessel, wherein the step of actuating the delivery apparatus further comprises:radially expanding the first anchor segment to exert a compressive load against the vessel thereby securing the first anchor segment within the vessel;elongating the extensor segment;radially expanding the second anchor segment to exert a compressive load against the vessel thereby securing the second anchor segment within the vessel;releasing the first anchor segment from the vessel; andcontracting the extensor segment;releasing the medical device from the delivery apparatus at the target location within the vessel; andwithdrawing the delivery apparatus from the vessel, wherein the medical device remains at the target location. 17. The method of claim 16, further comprising: steering the apparatus within the vessel. 18. The method of claim 16, further comprising: extending a first side of one of the anchor segments while contracting a second side of the one of the anchor segments. 19. The method of claim 16, further comprising: controlling the speed of propulsion. 20. The method of claim 16, further comprising: controlling the direction of propulsion.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Electrically actuated annelid 원문보기

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Electrically actuated annelid 원문보기

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