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Apparatus and method for percutaneous placement of gastro-intestinal tubes

  • US 6,030,364 A
  • Filed: 10/03/1997
  • Issued: 02/29/2000
  • Est. Priority Date: 10/03/1997
  • Status: Expired due to Term
First Claim
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1. An apparatus for percutaneously placing a gastro-intestinal tube within a target organ comprising:

  • a hollow dilator having a distal tapered section formed of longitudinal fingers, and an untapered tubular section proximal thereto, wherein the longitudinal fingers of the distal tapered section open radially in response to a force applied from inside the hollow center of the dilator;

    a sheath having proximal and distal ends, and a central lumen extending from the proximal end to the distal end, said sheath having a first inner diameter at the distal end, and a second inner diameter at the proximal end, wherein the second inner diameter is greater than the first inner diameter, and wherein said dilator is receivable within the central lumen of the sheath;

    a penetration device having proximal and distal ends, and a piercing means on the distal end, wherein said penetration device is receivable within the central lumen of the sheath.

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