| 摘要 |
An apparatus for preventing embolisms resulting from an operation being performed in a body conduit by an instrument. The apparatus includes a selectively actuable conduit blocking mechanism (20) that is actuated prior to performing the operation to thereby block the conduit (V) while the operation is being performed upon an interior wall (W) of the conduit, wherein the conduit blocking mechanism (20) is de-actuated subsequent to the operation being performed. A transporting mechanism (12) is movable within the conduit. The conduit blocking mechanism (20) and the instrument (30) are disposed at separate positions upon the transporting mechanism (12). The apparatus may be used for stent delivery, vessel predilation, or other operations.
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