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EXPANDABLE CANNULA

  • US 20080051734A1
  • Filed: 10/31/2007
  • Published: 02/28/2008
  • Est. Priority Date: 02/04/1993
  • Status: Abandoned Application
First Claim
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1. A method of accessing an interior portion of a body of a patient, comprising inserting an expandable cannula into the body of the patient, the expandable cannula including a tubular sheath defining a passage extending between axially opposite end portions of the tubular sheath;

  • expanding the tubular sheath and passage from a first position having a first cross sectional area to a second position having a second cross sectional area, wherein the second cross sectional area is greater than the first cross sectional area; and

    inserting a medical device through the passage into the interior portion of the body of the patient.

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