Method and apparatus to indicate prior use of a medical item

  • US 7,740,611 B2
  • Filed: 10/17/2006
  • Issued: 06/22/2010
  • Est. Priority Date: 10/27/2005
  • Status: Active Grant
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First Claim
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1. An apparatus for notifying a user of prior use of a medical item containing a medical fluid, wherein said medical item includes a port with a passage to enable insertion of a substance into said medical item via an instrument, said apparatus comprising:

  • an indicator disposed within said passage to determine use of said medical item and alter an appearance of at least one of said indicator and said medical fluid in response to said insertion of said instrument within said passage, wherein said indicator includes;

    an inflatable device that is filled with a colored fluid and enables said colored fluid to alter an appearance of said medical fluid to indicate said medical item use in response to said instrument piercing said inflatable device during said insertion within said passage.

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