A New Disinfector for Laryngeal Fiberscopes.

概要

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In 1991, we described a newly designed washer for flexible laryngeal fiberscopes which used running water.In this study, disinfection of fiberscopes was tested with the combined method of dipping them in glutaral solution and then washing them with running water in the washer. The main part of the washer is a cloro-vinyl pipe 16 mm in diameter, into which the fiberscope is inserted, and fresh water is kept flowing for 3 minutes. Immediately after endoscopic examinations, an average of 1.65 strains of bacteria were cultured from the tip of the endoscope.After the dipping endoscopes in the glutaral solution for 3 minutes, the washer was applied for 3 minutes. The incidence of the cases was 97.1%, which all strains of bacteria detected before the disinfection were disappeared, and the no effective cases were 2.9%.All of the tips of the nasal endoscopes used in 15 patients with epistaxis had negative occult blood tests except 1 case, in the trial to apply just running water for 3 minutes without glutaral solution.The combined method of disinfection of endoscopes by dipping in glutaral solution and applying the washer which uses running water was considered to be clinically effective for successive endoscopies.