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Magnetic element-equipped needle assemblies

  • US 10,449,330 B2
  • Filed: 10/15/2013
  • Issued: 10/22/2019
  • Est. Priority Date: 11/26/2007
  • Status: Active Grant
First Claim
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1. An insertion tool for inserting a catheter into a body of a patient, comprising:

  • a housing in which at least a portion of the catheter is initially disposed;

    a needle cannula distally extending from the housing, at least a portion of the catheter pre-disposed over the needle cannula;

    a guidewire pre-disposed within the needle cannula;

    an advancement assembly for selectively advancing the guidewire distally past a distal end of the needle cannula in preparation for distal advancement of the catheter; and

    a magnetic element included with at least one of the housing, the needle cannula, the guidewire, and the catheter, wherein the magnetic element includes a permanent magnet.

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