System and method for delivering and deploying an occluding device within a vessel
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-029/00
출원번호
US-0596248
(2012-08-28)
등록번호
US-8636760
(2014-01-28)
발명자
/ 주소
Garcia, Adrian
Ye, Ting Tina
Tran, Quang Quoc
Berez, Aaron Lee
출원인 / 주소
Covidien LP
대리인 / 주소
Kertz, Esq., Mark J.
인용정보
피인용 횟수 :
2인용 특허 :
385
초록▼
A system and method for deploying an occluding device that can be used to remodel an aneurysm within the vessel by, for example, neck reconstruction or balloon remodeling. The system comprises an introducer sheath and an assembly for carrying the occluding device. The assembly includes an elongated
A system and method for deploying an occluding device that can be used to remodel an aneurysm within the vessel by, for example, neck reconstruction or balloon remodeling. The system comprises an introducer sheath and an assembly for carrying the occluding device. The assembly includes an elongated flexible member having an occluding device retaining member for receiving member for engaging a second end of the occluding device and a support surrounding a portion of the elongated flexible member over which the occluding device can be positioned. The elongated flexible member may be a integral portion formed thereof that form a coil portion.
대표청구항▼
1. A method for delivering a self-expanding device within a vessel, the method comprising: introducing an assembly and a self-expanding device into a lumen of an elongate member, the assembly comprising an innermost delivery wire extending through a lumen of the device, the innermost delivery wire h
1. A method for delivering a self-expanding device within a vessel, the method comprising: introducing an assembly and a self-expanding device into a lumen of an elongate member, the assembly comprising an innermost delivery wire extending through a lumen of the device, the innermost delivery wire having a distal retaining member for receiving a first end of the device and a proximally positioned retaining member for engaging a second end of the device when the device is axially positioned against said proximally positioned retaining member; the innermost delivery wire having an expandable portion with a radially compressed state and a radially expanded state, wherein the expandable portion is radially constrained in the radially compressed state by the elongate member and the device as the device and the expandable portion remain within the elongate member;positioning an end of the elongate member proximate a weakened wall of a vessel;advancing at least a portion of the assembly out of the elongate member, so that the expandable portion forms a non-rectilinear shape when transitioning from the radially compressed state to the radially expanded state and as the device expands radially and engages the vessel wall;wherein the device foreshortens longitudinally as the device expands; andwherein the expandable portion foreshortens longitudinally, while releasing the device, at a slower rate than does the device. 2. The method according to claim 1, further comprising confirming the position of the device prior to expanding the device. 3. The method according to claim 1, further comprising repositioning the device after expanding at least a portion of the device. 4. The method according to claim 1, further comprising replacing the device back into the elongate member. 5. The method according to claim 1, wherein advancing at least a portion of the assembly out of the elongate member further comprises changing a shape of the expandable portion into a coil shape within the expanded device. 6. The method of claim 1, wherein the expandable portion forms a coil-shaped portion in the radially expanded state. 7. The method of claim 1, wherein the expandable portion forms a coil within an interior void of the device in the radially expanded state. 8. The method of claim 1, wherein an outer surface of the device is a lattice structure. 9. The method of claim 8, wherein a lattice density of the lattice structure changes when the first end of the device and the second end of the device move towards each other. 10. The method of claim 1, wherein a distal tip of the assembly is configured to be stationary relative to the vessel while advancing the at least a portion of the assembly out of the elongate member. 11. A method for delivering a self-expanding device within a vessel, the method comprising: introducing an assembly and a self-expanding device into a lumen of an elongate member, the assembly comprising an innermost delivery wire extending through a lumen of the device, the innermost delivery wire having a distal retaining member for receiving a first end of the device and a proximally positioned retaining member for engaging a second end of the device when the device is positioned against said proximally positioned retaining member; the innermost delivery wire having an expandable portion with a radially compressed state and a radially expanded state, wherein the expandable portion is radially constrained by the elongate member and the device as the device and the expandable portion remain within the elongate member;positioning an end of the elongate member proximate a weakened wall of a vessel;advancing at least a portion of the assembly out of the elongate member, so that the expandable portion forms a pattern of peaks when transitioning from the radially compressed state to the radially expanded state and when the first end of the device and the second end of the device move in relation to each other along a length of the assembly as the device is expanded;wherein the first end of the device and the second end of the device move relative to each other along a length of the assembly at a first rate; andwherein the distal retaining member and the proximally positioned retaining member move relative to each other along the length of the assembly at a second rate, slower than the first rate. 12. The method according to claim 11, further comprising confirming the position of the device prior to expanding the device. 13. The method according to claim 11, further comprising repositioning the device after expanding at least a portion of the device. 14. The method according to claim 11, further comprising replacing the device back into the elongate member. 15. The method according to claim 11, wherein advancing at least a portion of the assembly out of the elongate member further comprises changing a shape of the expandable portion into a coil shape within the expanded device. 16. The method of claim 11, wherein the expandable portion forms a coil-shaped portion in the radially expanded state. 17. The method of claim 11, wherein the expandable portion forms a coil within an interior void of the device in the radially expanded state. 18. The method of claim 11, wherein an outer surface of the device is a lattice structure. 19. The method of claim 18, wherein a lattice density of the lattice structure changes when the first end of the device and the second end of the device move towards each other. 20. The method of claim 11, wherein a distal tip of the assembly is configured to be stationary relative to the vessel while advancing the at least a portion of the assembly out of the elongate member.
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