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Devices and methods for limiting depth of penetration of an anchor within an anatomy
专利权人:
W.L. Gore & Associates; Inc.
发明人:
Michalak, Christopher S.
申请号:
AU2013299624
公开号:
AU2013299624A1
申请日:
2013.08.08
申请国别(地区):
AU
年份:
2015
代理人:
摘要:
The present disclosure includes a securing device comprising one or more barbs. A barb may comprise a depth stop, which may itself comprise an apex portion coupled to a trough portion. A barb may be constructed, in various embodiments, from a length of shape memory wire. Thus, during deployment, a barb may spring away from a medical device to which the barb is coupled such that the barb makes contact with and punctures, to a limited depth, a body lumen wall. A barb may not, however, fully puncture a body lumen wall. Rather, a depth stop may limit a puncture depth to a depth that does not endanger and/or subject tissue surrounding or external to the lumen wall to damage and/or bleeding or leakage from within the lumen. In various embodiments, a pair of barbs may be coupled to from an integral two pronged barb.
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