Compound barb medical device and method of manufacturing

摘要

A compound barb medical device (12) comprising: an elongated body (14); at least one barb (12) extending from the elongated body and defining an inner surface, the inner surface including: a first portion (12a) disposed at a first orientation defining first angle ± relative to a longitudinal axis of the elongated body, a second portion (12b) disposed at a second orientation defining second angle ² relative to the longitudinal axis, and a third portion (12c) disposed at a third orientation defining third angle ³ relative to the longitudinal axis, wherein the second angle ² is less than the first angle ± and the third angle ³ is less than the second angle ².