[특허]Aneurysm embolization device and deployment system

[미국특허] Aneurysm embolization device and deployment system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-029/00
출원번호	US-0729523 (2003-12-05)
발명자 / 주소	West,Stephen
출원인 / 주소	Cordis Neurovascular, Inc.
인용정보	피인용 횟수 : 43 인용 특허 : 22

초록 ▼

An aneurysm embolization device and deployment system for use in occluding the flow of blood at a preselected position within a vessel of the human body comprising a headpiece and a plurality of spherical members linked together with a central connecting member, which, when deployed the embolization

대표청구항 ▼

That which is claimed is: 1. An aneurysm embolization device and deployment system for use in placing said embolization device at a preselected position within a vessel of a human body, said embolization device and deployment system comprising: a deployment catheter having a small diameter lumen extending therethrough and having a proximal section and a distal section, said catheter being formed of a material which is sufficiently flexible to pass through the vessels of the body; an embolization device including a headpiece having a proximal section and a distal section; a central connecting member which takes the form of a flexible fiber, said connecting member having a proximal end and a distal end, the proximal end of said connecting member being attached to the distal section of said headpiece; a spherical member which takes the form of a small diameter ball, said spherical member being carried by said central connecting member; and, said proximal section of said headpiece being disposed within the distal section of said deployment catheter so that when a fluid pressure is applied to the lumen of said catheter the catheter releases the headpiece at the preselected position. 2. An aneurysm embolization device as defined in claim 1, wherein said spherical member is formed from a polymer. 3. An aneurysm embolization device as defined in claim 1, wherein said headpiece and said spherical member is formed from a metallic material. 4. An aneurysm embolization device as defined in claim 1, wherein said central connecting member takes the form of a shape memory wire such that, after said aneurysm embolization device is deployed at the preselected position within the vessel said central connecting member tends to assume a predetermined configuration. 5. An aneurysm embolization device as defined in claim 1, wherein said central connecting member takes the form of a stretchable fiber. 6. An aneurysm embolization device as defined in claim 1, wherein said spherical member includes a plurality of flexible filaments extending outwardly from said spherical member in order to enhance the occlusive effect of said spherical member. 7. An aneurysm embolization device as defined in claim 1, wherein said spherical member includes a time-released adhesive coating on the periphery of said spherical member in order to enhance the occlusive effect of said spherical member. 8. An aneurysm embolization device as defined in claim 1, wherein said aneurysm embolization includes a plurality of spherical members and a plurality of flexible filaments coupling each of said spherical members to an adjacent spherical member. 9. A method for placing an aneurysm embolization device at a pre-selected position within a vessel, the method comprising the steps of: providing a deployment catheter having a small diameter lumen extending therethrough and being formed of a material which is sufficiently flexible to pass through the vessels of the body, providing an aneurysm embolization device including a headpiece coupled to the distal end of the said deployment catheter; the embolization device includes a central connecting member which takes the form of a flexible fiber, and is attached to the headpiece, and the embolization device includes a spherical member which takes the form of a small spherical ball which is attached to the central connecting member; introducing said deployment catheter with said aneurysm embolization device into a vessel and positioning said aneurysm embolization device at a pre-selected position within the vessel; and, releasing said aneurysm embolization device at the preselected site with the vessel.

이 특허에 인용된 특허 (22) 인용/피인용 타임라인 분석

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Purdy Phillip D. (Dallas TX), Multi-element intravascular occlusion device.
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[미국특허] Aneurysm embolization device and deployment system 원문보기