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Method and apparatus for emplacement of a gastrostomy catheter

  • US 5,073,166 A
  • Filed: 02/15/1989
  • Issued: 12/17/1991
  • Est. Priority Date: 02/15/1989
  • Status: Expired due to Term
First Claim
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1. An apparatus for providing access through an opening in a surface, comprising:

  • an elongate tube having a proximal end, a distal end, and a main body, with an access passage through the tube;

    anchoring means attached to said distal end for anchoring said elongate tube at said opening, said anchoring means having a first configuration wherein an outer diameter of said anchoring means is substantially equal to an outer diameter of said tube, and having a second configuration wherein said anchoring means outer diameter is greater than said tube outer diameter;

    means for retaining said anchoring means in said second configuration, said retaining means including means for increasing resistance to repositioning to said first configuration when a radial force is applied to said anchoring means;

    means for manipulating said anchoring means into each of said first and second configurations, for insertion of said anchoring means and a portion of the tube through the opening while said anchoring means is in said first configuration, and for manipulating said anchoring means into said second configuration.

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