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Apparatus and method for developing an anatomic space for laparoscopic hernia repair and patch for use therewith

  • US 6,514,272 B1
  • Filed: 08/11/1998
  • Issued: 02/04/2003
  • Est. Priority Date: 06/02/1992
  • Status: Expired due to Fees
First Claim
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1. An expansible tunneling apparatus for creating an anatomic working space in a body comprising:

  • a substantially rigid tubular member having a bore therein and an open distal end;

    a rigid tunneling shaft having a blunt distal end for tunneling bluntly through tissue in the body, said rigid shaft slidably receivable in said bore of said tubular member;

    a first obturator slidably mounted on said tunneling shaft and having a rounded distal tip;

    a second obturator mounted on a distal end of said tunneling shaft, said first and second obturators being of a size so that said first and second obturators can pass through said bore;

    a balloon carried by said tunneling shaft during tunneling through tissue;

    a releasable sheath surrounding at least a portion of said balloon, when deflated; and

    means for inflating said deflated balloon after tunneling to a desired location to create the anatomic working space.

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