A system for sensing electrophysiological signals

Details A system for sensing electrophysiological signals A system for sensing electrophysiological signals

A - Human Necessities

61

B

A61B 5/048 (2006.01) A61B 5/0448 (2006.01) A61B 5/0478 (2006.01) G01R 27/26 (2006.01)

Patent

CA 2729873

A system (10) for sensing electrophysiological signals includes a plurality of shielded electrodes (12). The elec-trodes (12) are connected to an amplifier (18) for amplifying signals received from each of the electrodes (12), the amplifier hav-ing a shielding input and the shielding of the electrodes (12) being connected to the shielded input of the amplifier (18). A power supply (22) powers the amplifier (18), a reference voltage derived from the power supply (22) being used as a reference voltage for the electrodes (12).

L'invention porte sur un système (10) de détection de signaux électrophysiologiques qui comprend une pluralité d'électrodes blindées (12). Les électrodes (12) sont connectées à un amplificateur (18) afin d'amplifier des signaux reçus à partir de chacune des électrodes (12), l'amplificateur comportant une entrée blindée et le blindage des électrodes (12) étant connecté à l'entrée blindée de l'amplificateur (18). Une alimentation électrique (22) alimente l'amplificateur (18), une tension de référence issue de l'alimentation électrique (22) étant utilisée en tant que tension de référence pour les électrodes (12).

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