Non-invasive glucose measurement

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/00 (2006.01) A61B 10/00 (2006.01) C12Q 1/54 (2006.01) G01N 33/50 (2006.01)

Patent

CA 2572313

Described are devices, methods, and kits for non-invasively measuring glucose. In general, the devices comprise skin patches for placement on a skin surface and measurement devices for measuring glucose collected in the patches. The patches may include an adhesive material, a collection layer, an interface layer, and a sweat-permeable membrane. The sweat-permeable membrane is configured to act as a barrier to epidermal contaminants and glucose brought to the skin surface via diffusion. In this way, non-correlatable skin surface glucose will not be measured. The patches may further include components to induce a local sweat response. The measurement device typically includes a display, a processor, and a measurement mechanism. The methods typically include the steps of wiping the skin surface with a wipe containing at least one solvent for removing glucose, placing a patch on a skin surface, and measuring glucose collected in the patch. Kits comprising the patch and measurement device are also described.

L'invention concerne des dispositifs, des procédés et des trousses pour la mesure non invasive de glucose. En général, ces dispositifs comprennent des timbres cutanés à placer sur une surface cutanée et des dispositifs de mesure servant à mesurer le glucose collecté dans les timbres. Ces timbres peuvent comporter un matériau adhésif, une couche de collecte, une couche d'interface et une membrane perméable à la sueur. Cette membrane perméable à la sueur est conçue pour agir comme une barrière contre des contaminants épidermiques et contre le glucose amené vers la surface cutanée par diffusion. Ainsi, le glucose de la surface cutanée non corrélable ne sera pas mesuré. Ces timbres peuvent également comporter des composants destinés à induire une sudation locale. Ce dispositif de mesure comprend en règle générale un affichage, un processeur et un mécanisme de mesure. Les procédés consistent d'ordinaire à frotter la surface cutanée avec un chiffon, contenant au moins un solvant, afin d'éliminer le glucose, à placer un timbre sur une surface cutanée et à mesurer le glucose collecté dans ce timbre. L'invention concerne également des trousses comprenant le timbre et le dispositif de mesure.

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