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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0623788 (1975-10-20) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 674 인용 특허 : 0 |
The pivotable struts of an umbrella-like shunt defect closure device are resiliently biased from a collapsed position to an expanded position by resilient and foldable flat ring sections which extend between the struts when the struts are in their expanded positions but which are folded between the
The pivotable struts of an umbrella-like shunt defect closure device are resiliently biased from a collapsed position to an expanded position by resilient and foldable flat ring sections which extend between the struts when the struts are in their expanded positions but which are folded between the struts when the struts are in their collapsed positions.
In an umbrella-like expansive device for closing intravascular shunt defects and the like, said device having a central hub, a plurality of struts movably mounted on the hub and movable between a first, collapsed position in which the struts extend generally parallel to the axis of the hub and a sec
In an umbrella-like expansive device for closing intravascular shunt defects and the like, said device having a central hub, a plurality of struts movably mounted on the hub and movable between a first, collapsed position in which the struts extend generally parallel to the axis of the hub and a second, expanded position in which the struts extend generally radially from the hub, and closure material extending between the struts and secured thereto, an improved expansion means for moving the struts from the first position to the second position comprising a foldable, resilient strip extending between each pair of adjacent struts and secured thereto, each strip being folded between the struts when the struts are in the first position, whereby the folded resilient strips bias the struts from the first position toward the second position.
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