| 摘要 |
An introducer assembly for use in delivering an implantable device to a target site within the vasculature of a patient includes an outer sheath and an inner catheter sized for passage through the lumen of the sheath. The outer sheath has a shaft portion and a tapered distal tip portion, and the inner catheter is sized for carrying the implantable device thereon. The tapered distal tip portion includes a frangible portion capable of splitting when the portion of the inner catheter having the implantable device thereon passes through the sheath distal tip portion for deployment of the implantable device at the target site.
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