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Vascular access port with needle detector

  • US 6,962,580 B2
  • Filed: 09/17/2002
  • Issued: 11/08/2005
  • Est. Priority Date: 09/17/2002
  • Status: Expired due to Fees
First Claim
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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;

    wherein the removal signal comprises an alarm.

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