Disintegratable films for diagnostic devices

Details Disintegratable films for diagnostic devices Disintegratable films for diagnostic devices

G - Physics

01

N

G01N 33/76 (2006.01) G01N 33/532 (2006.01) G01N 33/545 (2006.01) G01N 33/548 (2006.01)

Patent

CA 2543350

The invention provides disintegratable film compositions for diagnostic test devices. The films are prepared with a combination of components that yield films of sufficient film strength and desired disintegration profiles. A disintegratable film according to the present invention contains a water soluble high molecular weight component, a water soluble low molecular weight component, and one or more reagents for use in a diagnostic device. Optionally, the films further contain a starch component, a glucose component, a plasticizer and/or a humectant, and/or a filler. The invention further provides a diagnostic testing device, which includes a film according to an embodiment of the invention, and methods of using such devices.

L'invention concerne des compositions de films désintégrables destinées à des dispositifs de test de diagnostic. Ces films sont préparés à l'aide d'une combinaison de composants qui produisent des films à résistance suffisante et à profils de désintégration souhaitée. Un film désintégrable de l'invention contient un composant à poids moléculaire élevé soluble dans l'eau, un composant à poids moléculaire bas soluble dans l'eau et un ou plusieurs réactifs destinés à être utilisés dans un dispositif de diagnostic. Ces films peuvent éventuellement contenir un composant amylacé, un composant glucosé, un plastifiant et/ou un humectant, et/ou un remplisseur. L'invention concerne, en outre, un dispositif de test de diagnostic qui comprend un film de l'invention, et des procédés d'utilisation de ces dispositifs.

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