| 摘要 |
<p>A surgical apparatus for engaging an intracardiac device with a tissue in a patient, comprising and elongate member comprising a lumen (110), a delivery member (120) disposed within the lumen of the elongate member, said delivery member (120) having a proximal end and a distal end, and a flexible coil member (142"") comprising a first end and a second end, said first end being connected to the distal end (124) of the delivery member (120), said flexible coil member (142"") transitionable between a first position wherein said flexible coil member (142"") is collapsed and substantially parallel to the longitudinal axis of the elongate member (104) within the lumen (110) of the elongate member (104), and a second position wherein said flexible coil member (142"") is expanded to form a spiral comprising a plurality of loops, at least one of said loops defining a plane that is non-parallel to the longitudinal axis of the elongate member when said second portion is extended from the lumen (110) of the elongate member (104).
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