×

Vascular access port with needle detector

  • US 20050256451A1
  • Filed: 07/26/2005
  • Published: 11/17/2005
  • Est. Priority Date: 09/17/2002
  • Status: Active Grant
First Claim
Patent Images

1. A vascular access port system for detecting the presence or absence of a needle, the system comprising:

  • a vascular access port including a portal housing containing an internal reservoir with first and second openings, a self-sealing septum disposed in the first opening, and a catheter extending from the portal housing, the catheter defining a lumen extending therethrough in fluid communication with the reservoir via the second opening;

    a detecting circuit configured to detect the presence or absence of the needle in the reservoir; and

    an indicating circuit configured to indicate the presence or absence of the needle in the reservoir;

    wherein the indicating circuit is configured to generate a removal signal when the needle is removed from the reservoir.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×