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Configured and sized cannula

  • US 20030083688A1
  • Filed: 10/30/2001
  • Published: 05/01/2003
  • Est. Priority Date: 10/30/2001
  • Status: Active Grant
First Claim
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1. A dilator for use in surgery having an outer surface for insertion into an access hole formed in a patient for stretching the tissue adjacent to the access hole so as to enlarge the same wherein said outer surface is ovoid shaped.

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