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Short-Bevel Non-Coring Needle

  • US 20140276472A1
  • Filed: 03/14/2014
  • Published: 09/18/2014
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A non-coring needle, comprising:

  • a cannula that terminates at a sharpened distal tip, the cannula defining a lumen that terminates at a distal opening, the cannula including a proximal portion and a distal portion, wherein;

    a distal portion of the cannula is disposed in a bent configuration with respect to the proximal portion of the cannula, the distal portion defining a bevel face extending proximally from the distal tip, the bevel face including the distal opening of the lumen, the bevel face defining an open angle of at least about one degree with respect to a line parallel to a longitudinal axis of the proximal portion of the cannula; and

    at least a proximal half of a perimeter of the distal opening on the bevel face includes a dulled surface so as to prevent coring by the distal opening perimeter.

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