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Catheter insertion device

  • US 10,080,869 B2
  • Filed: 09/21/2015
  • Issued: 09/25/2018
  • Est. Priority Date: 07/04/2002
  • Status: Expired due to Term
First Claim
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1. A catheter insertion device comprising:

  • a catheter hub comprising a body having an interior surface defining a bore having a groove on the interior surface;

    said bore comprising an opening at a proximal end and a catheter tube attached at a distal end;

    a valve located inside the bore of the catheter hub for blocking fluid flow therethrough and remaining inside the bore in a ready position and a needle guarded position;

    a valve actuating element slidably disposed in the bore of the catheter hub;

    said valve actuating element comprising a locating section and a plunger section extending from the locating section;

    a needle having a needle shaft defining a needle axis projecting distally of an end of a needle hub, said needle projecting through the catheter tube and comprising a needle tip extending out a distal opening of the catheter tube;

    a needle guard slidably mounted relative to the needle so that the needle tip is guarded by the needle guard when the needle tip is removed from the catheter hub; and

    wherein the valve actuating element is guided in the groove of the bore and projects radially into the bore and said plunger section provides an abutting surface for a conical neck portion.

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