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Patent foramen ovale (PFO) closure device with radial and circumferential support
专利权人:
Andrzej J. Chanduszko
发明人:
Andrzej J. Chanduszko
申请号:
US12210897
公开号:
US08784448B2
申请日:
2008.09.15
申请国别(地区):
US
年份:
2014
代理人:
摘要:
The present invention provides a device for occluding an anatomical aperture, such as a septal defect or patent foramen ovale (PFO). The occluder includes two sides connected by an intermediate joint. Each of the sides includes at least one elongate element, which is arranged to form non-overlapping loops. Each loop has at least one radially-extending segment that is adjacent to a radially-extending segment of another loop. In at least some embodiments, at least one pair of adjacent radially-extending segments is connected. In some embodiments, at least one of the sides includes a tissue scaffold. When the occluder is deployed in vivo, the two sides are disposed on opposite sides of the septal tissue surrounding the aperture, thereby exerting a compressive force on the septal tissue that is distributed along both the outer periphery of the occluder and the radially-extending segments.
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