| 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 operatio n 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 b e used for stent delivery, vessel predilation, or other operations.
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