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Chest tube drainage system with analyzer

  • US 10,220,121 B2
  • Filed: 01/12/2017
  • Issued: 03/05/2019
  • Est. Priority Date: 12/20/2013
  • Status: Active Grant
First Claim
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1. A method of determining if it is proper for a chest tube to be removed, the method comprising the steps of:

  • detecting a gas at a point downstream of a liquid seal in a chest tube drainage system connected to the chest tube, the gas having leaked from a lung into the pleural space, the gas selected from the group consisting of gaseous carbon dioxide and gaseous oxygen;

    determining if an upper threshold level of carbon dioxide is exceeded at the point downstream of the liquid seal; and

    removing the chest tube if the upper threshold level of carbon dioxide is not exceeded.

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