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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0596240 (2012-08-28) |
| 등록번호 | US-9204983 (2015-12-08) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 405 |
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 a first end of the occluding device, a proximally positioned retaining 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.
1. A method for introducing a stent within a vessel, said method comprising: introducing a delivery assembly into a catheter, the delivery assembly comprising (i) an elongate flexible member; and (ii) a retaining member having an inner lumen that extends around a circumference of a distal portion of
1. A method for introducing a stent within a vessel, said method comprising: introducing a delivery assembly into a catheter, the delivery assembly comprising (i) an elongate flexible member; and (ii) a retaining member having an inner lumen that extends around a circumference of a distal portion of the elongate member, the lumen receiving a first end of the stent to secure a portion of the stent in the retaining member;positioning an end of the catheter proximate an aneurysm;advancing at least a portion of the delivery assembly out of the catheter;expanding at least a portion of the stent by applying a force against an internal portion of the stent;rotating the retaining member relative to the stent, whereby the first end moves proximally relative to the retaining member and is released from within the lumen. 2. The method of claim 1, wherein the force comprises a pressure that is applied as the delivery assembly is advanced out of said catheter. 3. The method of claim 1, wherein the force comprises a pressure that is applied via the catheter. 4. The method according to claim 1, wherein the stent is a self-expanding device. 5. The method according to claim 1, wherein the retaining member comprises a protective coil. 6. The method according to claim 1, wherein the first end of the stent is biased radially outwardly against the retaining member. 7. A method for positioning a self-expanding stent at a treatment site in a vessel, the method comprising: introducing a catheter into the vessel;advancing at least a portion of a delivery assembly out of a distal end of the catheter, the delivery assembly comprising an elongate flexible member and a retaining member at a distal end of the elongate flexible member, the retaining member receiving a first end of the self-expanding stent, the stent being concentrically constrained within the retaining member and configured to radially expand against an internal surface of a lumen of the retaining member;expanding a distal portion of the stent against a vessel wall;advancing the stent, after expanding the distal end, in a distal direction in the vessel by applying a force at a proximal portion of the stent; androtating the delivery assembly to release the first end of the stent from the retaining member by moving the first end proximally relative to the retaining member. 8. The method of claim 7, wherein the force exceeds a frictional force between the distal portion of the stent and the vessel wall. 9. The method of claim 8, wherein the frictional force between the distal portion of the stent and the vessel wall prevents immediate movement of the distal portion of the stent. 10. The method according to claim 7, wherein the retaining member comprises a protective coil, and the stent first end is received within an interior of the protective coil. 11. The method according to claim 7, further comprising holding the catheter stationary while rotating the delivery assembly.
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