| 摘要 |
An elongated medical apparatus suitable for insertion into a bodily passageway of a patient for carrying out a medical procedure. The elongated apparatus includes an elongated tubular body having a proximal portion and a distal portion, wherein the distal portion terminates at a distal end. The tubular body has a plurality of lumens extending therein. An inflatable balloon member is mounted at the distal end of the tubular body and extends in a distal direction therefrom. The balloon member is inflated by receiving an inflation fluid through one of the lumens. The presence of the balloon member at the leading end of the elongated apparatus reduces the risk of puncture and trauma upon insertion of the apparatus into the bodily passageway.
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