Device and method to create a smooth opening on a tubular structure such as an artery or a vein
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 25, 1997
Grant Date -
N/A
app pub date -
Oct 12, 1995
filing date -
Oct 12, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for creating a substantially circular hole in a wall of a vessel of a patient is provided, comprising an elongated circular knife with a proximal end, a distal end with a circular knife edge, and an inner channel, an elongated probe with a proximal end and a distal end, the elongated probe being disposed within the inner channel of the elongated circular knife and being adapted to be moveable axially and rotatably with respect to the elongated circular knife, and a bar formed on the distal end of the elongated probe, the bar being substantially perpendicular to the elongated probe, whereby when the bar is inserted in the vessel through a slit in the wall of the vessel, the elongated probe and the bar may be rotated with respect to the circular knife edge of the elongated cylindrical knife to form a substantially circular hole in the wall of the vessel. A method for creating a substantially circular hole in a wall of a vessel of a patient is also provided.
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