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Tube placement verifier system

  • US 5,316,024 A
  • Filed: 12/24/1992
  • Issued: 05/31/1994
  • Est. Priority Date: 07/23/1992
  • Status: Expired due to Term
First Claim
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1. A device for insertion into the body of a mammal comprising a tube having a plurality of resonant circuit targets incorporated in the tube, said resonant circuit targets being spaced apart from one another, and each resonant circuit target having a different resonant frequency.

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