Medical system and method for setting programmable heat limits

Details Medical system and method for setting programmable heat limits Medical system and method for setting programmable heat limits

A - Human Necessities

61

N

A61N 1/378 (2006.01) H01M 10/44 (2006.01) H02J 7/00 (2006.01) H02J 17/00 (2006.01)

Patent

CA 2729933

An external charger transmits energy to charge an implanted medical device. A sensor measures a parameter that is correlated to a temperature that is adjacent to the external charger. This parameter is indicative of the temperature or an amount of heat that is generated during the charging of the implanted medical device by the external charger. The temperature is compared to a user programmable temperature threshold and based on the comparison, the charge rate or output power of the external charger or input power of the implanted medical device is adjusted to reduce the heat generated by the charging. The user programmable temperature threshold is set to an optimum charge rate whereby the temperature that is generated during charging of the implanted medical device by the external charger feels comfortable to the user.

Cette invention concerne un dispositif de charge externe transmettant de lénergie pour charger un dispositif médical implanté. Un capteur mesure un paramètre qui est corrélé avec une température et qui est adjacent au dispositif de charge externe. Ce paramètre est indicateur de la température ou dune quantité de chaleur générée lors de la charge du dispositif médical implanté par le dispositif de charge externe. La température est comparée avec un seuil thermique programmable par lutilisateur, et en fonction de la comparaison, la vitesse de charge ou la puissance de sortie du dispositif de charge externe ou la puissance dentrée du dispositif médical implanté est ajustée de manière à réduire la chaleur générée par la charge. Le seuil thermique programmable par lutilisateur est paramétré sur une vitesse de charge optimale, la température générée durant la charge du dispositif médical implanté par le dispositif de charge externe étant une température jugée confortable par lutilisateur.

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