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Catheter with measurement electrodes

  • US 4,176,659 A
  • Filed: 07/19/1977
  • Issued: 12/04/1979
  • Est. Priority Date: 07/21/1976
  • Status: Expired due to Term
First Claim
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1. A catheter comprising a tubular body which defines therewithin a passage which extends to an axially-facing open end of the tubular body and which serves as a sampling port at the tip of the catheter, said catheter further comprising first and second annular electrodes which are arranged in spaced relationship on the rim of the said open end around the sampling port, and electrical connection means for connecting said first and second electrodes to measuring equipment.

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