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Pub. No.:    WO/2004/093991    International Application No.:    PCT/US2004/011121
Publication Date: 04.11.2004 International Filing Date: 09.04.2004
A61N 1/39 (2006.01)
Applicants: MEDTRONIC, INC. [US/US]; MS LC340, 710 Medtronic Parkway, Minneapolis, Minnesota 55432 (US) (For All Designated States Except US).
DEGROOT, Paul, J. [US/US]; (US) (For US Only).
HAVEL, William, J. [US/US]; (US) (For US Only).
STEIN, Paul, M. [US/US]; (US) (For US Only)
Inventors: DEGROOT, Paul, J.; (US).
HAVEL, William, J.; (US).
STEIN, Paul, M.; (US)
Agent: WOLDE-MICHAEL, Girma; MS LC340, 710 Medtronic Parkway, Minneapolis, Minnesota 55432 (US)
Priority Data:
10/418,853 18.04.2003 US
Abstract: front page image
(EN)In general, the invention provides for adaptive timing of the delivery of cardioversion shocks. In particular, the invention provides for an adaptive cardioversion synchronization delay with respect to a cardiac event, such as a sensed P-wave or R-wave. When cardioversion with a first synchronization delay fails to terminate a tachycardia, for example, cardioversion may be attempted again with a second synchronization delay. A medical device may keep track of whether each synchronization delay is effective in terminating the tachycardia, and may employ a historically effective synchronization delay when applying cardioversion therapy to treat a subsequent tachycardia episode.
(FR)L'invention concerne la synchronisation adaptative d'administration de chocs de cardioversion en général, et l'adaptation du rythme de cardioversion à un événement cardiaque tel que la détection d'une onde P ou d'une onde R, en particulier. Lorsque la cardioversion à un premier rythme de synchronisation ne peut arrêter une tachycardie, cette cardioversion peut, par exemple, être renouvelée à un deuxième rythme de synchronisation. Un dispositif médical permet de surveiller si chaque rythme de synchronisation est efficace pour arrêter une tachycardie, et d'appliquer un rythme de synchronisation avéré efficace dans le passé, lors d'une thérapie par cardioversion pour traiter un épisode de tachycardie subséquent.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)