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Vessel harvester

  • US 9,730,782 B2
  • Filed: 02/20/2015
  • Issued: 08/15/2017
  • Est. Priority Date: 08/12/1998
  • Status: Expired due to Fees
First Claim
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1. A blood vessel harvesting system comprising:

  • a blunt dissection tip comprising a transparent member having a taper to a vertex and a slot, wherein a portion of the transparent member has a cone shape that includes the vertex;

    an elongated shaft attached at a distal end to the dissection tip, wherein the elongated shaft has a longitudinal central axis and comprises an optical path that extends to the transparent member of the dissection tip, wherein the longitudinal central axis is aligned to pass through the vertex;

    anda cutting assembly comprising at least one blade disposed to extend longitudinally along an offset axis that is substantially parallel to the longitudinal central axis and offset from the longitudinal central axis of the elongated shaft, and at least one electrode that contacts a blood vessel to be transected while captivated by the at least one blade, wherein the at least one electrode is disposed on, along, or about the blunt dissection tip, and wherein the at least one blade is moveable relative to the elongated shaft and through the slot to enable cutting of the blood vessel on a region of the transparent member, and wherein a junction in the vicinity of where the dissection tip is attached to the elongated shaft has a perimeter, and the longitudinal central axis of the elongated shaft and the offset axis are disposed within the perimeter of the junction.

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