Flexible barb for anchoring a prosthesis
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United States of America Patent
Stats
-
Jul 25, 2006
Grant Date -
Dec 25, 2003
app pub date -
May 8, 2003
filing date -
May 16, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A barbed medical prosthesis is disclosed in which the barb includes a basal portion comprising a point of union with the substrate of origin (such as a strut), an anchoring portion adapted to embed into tissue, and a stress-dispersing portion located between the basal and anchoring portions. In one embodiment the stress-dispersing portion comprises a helical coil having a free winding that is unattached to the strut from which the barb extends. In another embodiment, the stress-dispersing portion comprises a series of bends or curves formed in the barb proximate to the point of union with the strut. The barb can be mechanically attached and/or soldered to the prosthesis, or integrally formed therefrom. A second barb portion and stress-dispersing portion, may also extend from the basal portion.
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