Vol. 26, issue 07, article # 10

Kapitanov V.A., Topol'nitskiy E.B., Ponomarev Yu.N. Application of the laser photoacoustic leak detector for tightness control of lung and tracheobronchial sutures. // Optika Atmosfery i Okeana. 2013. V. 26. No. 07. P. 595-600 [in Russian].
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Abstract:

The simple and effective method (technique) of the leakage test of the respiratory system using medical ventilation apparatus and laser photoacoustic leak detector "LaserGasTest" was suggested. The technique was tested in model experiments and experiments on animals. Sulfur hexafluoride is inert and biologically harmless gas and its concentration in medical ventilation apparatus does not exceed 5000 mg/m3 (0.077%). The proposed technique provides precise location and size of leakage.

Keywords:

respiratory system, leak tightness of surgical suture, sulfur hexafluoride, laser photoacoustic leak detector

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