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Trocar system having expandable port

  • US 6,080,174 A
  • Filed: 04/19/1995
  • Issued: 06/27/2000
  • Est. Priority Date: 03/05/1993
  • Status: Expired due to Term
First Claim
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1. A dilation tube comprising:

  • a handle having a passage therethrough;

    an expandable tube having a distal end, a proximal end, and an axial lumen aligned with the passage in the handle, wherein the tube is attached at its proximal end to one handle and the tube is expandable from a narrow diameter configuration to a radially expanded configuration along its entire length from the proximal end to the distal end; and

    an elastic or plastic layer covering the tube.

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