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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0492717 (1990-03-13) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 688 인용 특허 : 0 |
An artery, vein, aneurysm, vascular malformation or arterial fistula is occluded through endovascular electrothrombosis by the endovascular insertion of a platinum guidewire tip into the vascular cavity followed by application of a positive current. The guidewire tip is then separated from the guide
An artery, vein, aneurysm, vascular malformation or arterial fistula is occluded through endovascular electrothrombosis by the endovascular insertion of a platinum guidewire tip into the vascular cavity followed by application of a positive current. The guidewire tip is then separated from the guidewire by electrolytic separation of the tip from the guidewire. A portion of the guidewire connected between the tip and the body of the guidewire is comprised of stainless steel and exposed to the bloodstream so that upon continued application of a positive current to the exposed portion, the exposed portion is corroded away at least at one location and the tip is separated from the body of the guidewire. The guidewire and the microcatheter are thereafter removed leaving the guidewire tip embedded in the thrombus formed within the vascular cavity.
A method for forming an occlusion within a vascular cavity having blood disposed therein comprising the steps of: endovascularly disposing a guidewire near an endovascular opening into said vascular cavity; disposing a distal tip of said guidewire into said vascular cavity to form said occlusion wit
A method for forming an occlusion within a vascular cavity having blood disposed therein comprising the steps of: endovascularly disposing a guidewire near an endovascular opening into said vascular cavity; disposing a distal tip of said guidewire into said vascular cavity to form said occlusion within said vascular cavity about said distal tip; and detaching said distal tip from said guidewire to leave said distal tip within said vascular cavity and said occlusion being formed within said vascular cavity, whereby said vascular cavity is occluded by said distal tip, and any thrombus formed by use of said tip.
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