TEMPERATURE AND TIME STERILIZATION INDICATOR AND PROCESS OF ITS MANUFACTURE Russian patent published in 1999 - IPC

Abstract RU 2131117 C1

FIELD: temperature measurements, chemical indicators, inspection of process of sterilization of articles of medical assignment. SUBSTANCE: temperature and time sterilization indicator has base and temperature-sensitive coat. Base is fabricated from heat-resistant flexible material. Temperature-sensitive coat includes dihydric carbonic acid, zinc oxide, pH indicator and water-soluble varnish with pH=8.0 used as binder. Process of manufacture of temperature and time sterilization indicator includes grinding of crystalline components of temperature- sensitive coat with binder till paste-like condition is obtained and application of paste on base. Solid particles have average size of 1.0-2.0 μm after grinding. Specified design of indicator and process of its manufacture make it possible to check simultaneously specified sterilization temperature and time of its action. EFFECT: simultaneous check of specified sterilization temperature and time. 8 cl, 1 dwg, 3 tbl

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RU 2 131 117 C1

Authors

Shavelkina M.B.

Dates

1999-05-27Published

1998-09-15Filed