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Catheter assembly

  • US 20070149927A1
  • Filed: 12/10/2004
  • Published: 06/28/2007
  • Est. Priority Date: 12/15/2003
  • Status: Abandoned Application
First Claim
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1. A catheter assembly comprising:

  • an outer catheter and an inner catheter that can be inserted into said outer catheter;

    said outer catheter being comprised an outer catheter body comprising at least an inner layer, an outer layer, and a reinforcing layer interposed between them, a flexible soft tip attached to a distal end of said outer catheter body, and an outer catheter hub attached to a proximal end of said outer catheter body;

    said inner catheter being comprised a hard proximal part, a distal part softer than said hard proximal part, and an inner catheter hub formed at a proximal end of the proximal part, and wherein said outer catheter hub and said inner catheter hub are adapted to be fixed each other so that said two catheters do not rotate and move relative to each other, when said outer catheter hub and said inner catheter hub engage each other, at least a part of said inner catheter protrudes from a distal end of said outer catheter, with the distance between the distal end of said outer catheter and a distal end of said inner catheter being no more than 10 mm.

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