to study the tracheostomy patients airway application trace injection pump for the clinical effect of wet process. Methods: Using micro pump continuous drip into the method, the configuration of wetting liquid add 50 ml or within 20 ml syringe, connected to the one-time extension tube, to adjust at any time according to sputum viscosity of wetting liquid quantity can automaticaly continuous drip. Results: Found by micro pump for pumping of wetting liquid, dilute sputum effect is good, avoid the traditional airway wet method. Conclusion: The convenience of operation, reduce the workload of nursing at the same time.
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