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Automatic dye dispersant for endotracheal tubes and catheters

  • US 5,103,817 A
  • Filed: 07/20/1990
  • Issued: 04/14/1992
  • Est. Priority Date: 07/20/1990
  • Status: Expired due to Term
First Claim
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1. An endotracheal tube having a conduit with a main air flow passage, an inflation lumen formed in said conduit noncommunicable with said main air flow passage, a pilot balloon communicable with said inflation lumen, an expandable inflation cuff joined to said conduit for inflation by a liquid infused through said inflation lumen, and a preinstalled leak detection dye material provided in said pilot balloon in dry form adapted for dispersal in said cuff responsive to infusion of said liquid through said pilot balloon and into said cuff.

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