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Anti-extravasation sheath

  • US 20070185380A1
  • Filed: 02/03/2006
  • Published: 08/09/2007
  • Est. Priority Date: 02/03/2006
  • Status: Active Grant
First Claim
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1. An anti-extravasation sheath comprising:

  • a tube characterized by a distal portion, a proximal portion, an outer surface, an inner surface, an inner diameter and an outer diameter;

    wherein the inner diameter of said tube is sized and dimensioned to permit fluid flow between the inner surface of the tube and an outer surface of an arthroscopic instrument when the arthroscopic instrument is disposed within the tube;

    a plurality of ribs extending inwardly from the inner surface of the tube and running longitudinally along the tube;

    a drainage lumen running longitudinally along the tube disposed within the ribs;

    wherein the ribs form a seal between the outer surface of the arthroscopic instrument and ribs when an arthroscopic instrument is inserted into the sheath; and

    wherein said ribs further define outer lumens between the outer surface of the arthroscopic instrument and inner surface of the tube.

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