A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/42 (2006.01) A61F 13/84 (2006.01) G01N 21/80 (2006.01) G01N 27/416 (2006.01)
Patent
CA 2396340
A method and apparatus (20) for gauging the levels of pH in the interiors of articles such as diapers (12), incontinence garments, pads, catamenial products, bedding, and wound dressings. The method and apparatus include sensing devices (16, 29, 37, 41) and relay systems (38, 47) for displaying the pH on the outside of the articles that provide visual or audible warnings that deleterious levels of bacteria and compounds are building up in the absorbent article and that the aricle should be removed and replaced.
L'invention concerne un procédé et un appareil (20) pour évaluer les niveaux de pH à l'intérieur d'articles, tels que des couches (12), des serviettes pour incontinents, des serviettes hygiéniques, des protections périodiques, des draps et des pansements. Le procédé et l'appareil selon l'invention concernent des dispositifs de détection (16, 29, 37, 41) et des systèmes de relais (38, 47) pour visualiser le pH sur l'extérieur d'articles qui fournissent des alarmes visuelles et/ou sonores se déclenchant lorsque des niveaux toxiques vont être atteints et qu'il est temps de retirer et de remplacer les articles.
Pound Bruce George
Springer John S.
Tappa Jerry Lee
Blake Cassels & Graydon Llp
Indicator Technologies Inc.
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