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Longitudinal dilator

  • US 20060287574A1
  • Filed: 10/28/2003
  • Published: 12/21/2006
  • Est. Priority Date: 08/25/1999
  • Status: Abandoned Application
First Claim
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1. An apparatus for performing a surgical procedure comprising:

  • an inner cannula having an elongated body and a tip positioned at a distal end of the elongated body; and

    an outer expandable sheath disposed about the inner cannula and configured to expand in an outward direction responsive to the tip of the inner cannula passing through the sheath.

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