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Catheter having a low drag septum

  • US 6,719,726 B2
  • Filed: 09/24/2002
  • Issued: 04/13/2004
  • Est. Priority Date: 05/25/2001
  • Status: Expired due to Term
First Claim
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1. A catheter and introducer needle assembly, comprising:

  • a catheter having a proximal end and a distal end;

    a catheter adapter in fluid communication with the catheter and having a proximal end and a distal end connected to the proximal end of the catheter, the catheter adapter including a side port in fluid communication with the catheter adapter;

    an introducer needle disposed, at least in part, within the catheter, the introducer needle having a proximal end and a distal end with an opening, wherein the introducer needle defines a notch therein adjacent to the distal end, and wherein a notch distance is defined as the distance between a proximal end of the notch and a distal end of the opening in the distal end of the introducer needle;

    a needle hub having a proximal end and a distal end connected to the proximal end of needle; and

    an elastomeric septum having a distal portion and a proximal portion, the elastomeric septum being disposed in the catheter adapter and located proximal of the side port wherein the septum has a length greater than the notch distance.

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