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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0579105 (1990-09-06) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 457 인용 특허 : 0 |
A spinal needle which has the capability of sealing its opening after withdrawal. A first conventional spinal needle or cannula is used for standard diagnostic or therapeudic use. A second cannula is inserted concentrically into the first needle and includes a dural seal having an absorbable suture
A spinal needle which has the capability of sealing its opening after withdrawal. A first conventional spinal needle or cannula is used for standard diagnostic or therapeudic use. A second cannula is inserted concentrically into the first needle and includes a dural seal having an absorbable suture extending from the second cannula. A stylet is inserted into the second cannula dislodging the seal into the subarachnoid space. The cannulae are removed and the suture is pulled to set the dural seal in the spinal puncture.
A dural sealing apparatus for spinal puncture and sealing comprising, a first cannula for performing a spinal puncture, a second cannula and a stylet, said stylet being telescopically received within said second cannula said second cannula being telescopically insertable into said first cannula, mea
A dural sealing apparatus for spinal puncture and sealing comprising, a first cannula for performing a spinal puncture, a second cannula and a stylet, said stylet being telescopically received within said second cannula said second cannula being telescopically insertable into said first cannula, means for sealing the dura positioned in the distal end of said second cannula including a dry gelatin product component which softens and swells in the presence of spinal fluid for sealing the spinal puncture, elastic, initially folded, impact wings for packing the softened gelatin product into the spinal puncture, and an impact cone for seating in the spinal puncture behind the gelatin product and impact wings, and seal actuating means connected with said sealing means extending out of the proximal end of said second cannula, said stylet for pushing said sealing means out of said second cannula.
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