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Vented directional delivery cannula with openings of different size for use with flowable materials and method for use thereof

  • US 20070255230A1
  • Filed: 04/27/2006
  • Published: 11/01/2007
  • Est. Priority Date: 04/27/2006
  • Status: Abandoned Application
First Claim
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1. A cannula for use in delivering a flowable material into human tissue, said cannula comprising:

  • a proximal end, a distal end, a length therebetween, a mid-longitudinal axis, and an interior passage extending along the mid-longitudinal axis between said proximal and distal ends, said cannula having a plurality of transverse openings between said proximal and distal ends, said transverse openings being in communication with said passage, at least two of said transverse openings being proximate said distal end and being of a different size, said cannula having an exterior surface being generally smooth along a majority of the length to facilitate linear insertion of said cannula into the tissue.

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