Compact device for measuring tissue analytes

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/00 (2006.01) G01N 21/31 (2006.01) G01N 21/35 (2006.01)

Patent

CA 2382530

A compact device (10) for non-invasively monitoring concentration levels of blood constituents, including glucose, cholesterol, alcohol, blood gases and various ions. The device includes a finger receptor (140) having a channel for receiving a finger of a user. The channel has a light entrance and a light exit so that light can be passed from a light source (91) through a finger located in the channel in a direction generally normal to the finger. Certain heat generating components, including a stable power supply for the device, are external to the device housing so as to reduce heat generation and thereby increase stability of the device. The device includes a communications interface for interacting with a computer. The device can be used for clinical use or for home use and the memory of the computer can be used to assist with record keeping and with dosage calculations.

L'invention concerne un dispositif compact (10) destiné à surveiller, de manière non insertive, les niveaux des constituants sanguins, dont le glucose, le cholestérol, l'alcool, les gaz sanguins et divers ions. Le dispositif comporte un logement pour doigts (140) doté d'un canal destiné à recevoir le doigt d'un utilisateur. Le canal comporte une entrée de lumière et une sortie de lumière de façon que la lumière puisse être acheminée d'une source lumineuse (91), à travers un doigt situé dans le canal, dans une direction relativement normale pour le doigt. Certains composants générateurs de chaleur, dont une alimentation stable du dispositif, sont extérieurs au boîtier du dispositif de façon à réduire la génération de chaleur, et à ainsi augmenter la stabilité du dispositif. Ce dernier comprend une interface de communication, permettant une interaction avec un ordinateur. Le dispositif peut être utilisé à des fins cliniques ou domestiques, et la mémoire de l'ordinateur peut être utilisée afin d'aider à l'archivage d'informations et au calcul des doses.

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