A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 1/362 (2006.01) A61N 1/39 (2006.01)
Patent
CA 2454235
A system and method for delivering both anti-tachy pacing (ATP) therapy and high-voltage shock therapy in response to detection of abnormal cardiac rhythms is disclosed. The system controls the time between delivering ATP therapy and the charging of high-voltage capacitors in preparation for shock delivery based on a predetermined set of criteria. In one embodiment, the inventive system operates in an ATP during Capacitor Charging (ATP-DCC) mode wherein all, or substantially all, of the ATP therapy is delivered during charging of the high-voltage capacitors. Based on evaluation of the predetermined set of criteria, the system may switch to an additional ATP before Capacitor Charging (ATP-BCC) mode, wherein substantially all of the ATP therapy is delivered prior to charging of the high-voltage capacitor. According to one aspect of the invention, the predetermined set of criteria is based, at least in part, on the effectiveness of previously-delivered ATP therapy.
L'invention porte sur un système et un procédé de traitement antitachycardique (ATP) et de traitement par choc à haute tension, suite à la détection d'arythmies cardiaques. Ledit système fixe le temps séparant le traitement antitachycardique du chargement des condensateurs HT, en vue de la production du choc en fonction d'un ensemble prédéterminé de critères. Dans l'une des exécutions, le système fonctionne en mode <=ATP pendant chargement des condensateurs>=, (ATP-DCC) selon lequel la majeure partie du traitement ATP se fait pendant le chargement des condensateurs. En fonction de l'ensemble prédéterminé de critères, le système peut passer en un autre mode dit ATP avant chargement des condensateur HT, (ATP-BCC) selon lequel la majeure partie du traitement ATP se fait avant le chargement des condensateurs HT. L'invention prévoit que l'ensemble prédéterminé de critères se base au moins partiellement sur les résultats d'un traitement ATP antérieur.
Degroot Paul J.
Krause Paul G.
Ousdigian Kevin T.
Padmanabhan Vasant
Sharma Vinod
Medtronic Inc.
Smart & Biggar
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