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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0015267 (1987-02-17) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 645 인용 특허 : 0 |
A device for sealing an opening or puncture in the wall of a blood vessel, duct or other lumen of a living being. The device includes an elongated tubular body having an outlet at the distal end thereof and which is arranged to be inserted, such as percutaneously, through the puncture in the blood v
A device for sealing an opening or puncture in the wall of a blood vessel, duct or other lumen of a living being. The device includes an elongated tubular body having an outlet at the distal end thereof and which is arranged to be inserted, such as percutaneously, through the puncture in the blood vessel so that the outlet is located within the vessel\s interior. An expandible closure is disposed within the tubular body and is formed so as to be held in a compact configuration therein. The tubular body also includes ejecting means for forcing the closure out of the outlet into the interior of the blood vessel, whereupon the closure automatically expands to form an enlarged engagement surface. A retraction filament is secured to the closure for pulling it to the puncture after the tubular body has been withdrawn from the puncture so that the engagement surface of the closure means hemostatically engages the inner surface of the blood vessel contiguous with the puncture. The filament held taut and taped or otherwise secured in place on the patient\s skin to hold the closure in position. The closure and filament are each formed of a biodegradable material to enable the closure to be left in place. Preferably the closure also includes a non-thrombogenic coating on its surface. The closure is constructed so that when it is opened and is in place sealing the puncture in the blood vessel it doesn\t appreciably block the flow of any blood through the blood vessel.
A device for sealing a percutaneous incision or puncture in the wall of a blood vessel of a living being, said device comprising first means having an outlet at the distal end thereof and adapted to be inserted through said incision or puncture so that said outlet is located within the interior of s
A device for sealing a percutaneous incision or puncture in the wall of a blood vessel of a living being, said device comprising first means having an outlet at the distal end thereof and adapted to be inserted through said incision or puncture so that said outlet is located within the interior of said vessel, expandable closure means disposed within said first means and being formed of a material which is held in a compact configuration within said first means, ejecting means for causing said closure means to pass out of said outlet into the interior of said vessel, said closure means being expandable to expand to form an engagement surface, said engagement surface conforming to the arcuate inner surface of said vessel contiguous with said incision or puncture, and retraction means for moving said closure to said opening after said first means has been removed therefrom, whereupon said engagement surface hemostatically engages said arcuate inner surface of said vessel contiguous with said incision or puncture to seal said incision or puncture, said retraction means serving to hold said closure in place and without said closure appreciably blocking the flow of blood through said vessel.
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