Defibrillation and method for cardioverting a heart and storing related activity data
First Claim
1. An atrial defibrillator for applying cardioverting energy to atria of a heart and storing heart activity data related to the application of cardioverting energy comprising:
- cardioverting means for applying cardioverting electrical energy to the atria of the heart;
sensing means for sensing electrical activity of the heart and generating heart activity data;
storage means for storing the heart activity data generated by said sensing means;
means for establishing a discrete continuous time interval, said discrete continuous time interval spanning a plurality of cardiac cycles of the heart;
means for causing said storage means to store generated heart activity data during said discrete continuous time interval; and
means for causing said cardioverting means to apply the cardioverting electrical energy to the atria during said discrete continuous time interval.
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Accused Products
Abstract
An implantable atrial defibrillator applies cardioverting electrical energy to the atria of a human heart in response to detection of an atrial fibrillation episode and stores selected data associated with the detected atrial fibrillation episode. The atrial defibrillator includes a cardiovertor which provides successive applications of cardioverting electrical energy to the atria of the heart until one of the pulses successfully cardioverts the atria. A memory system stores selected heart activity data in connection with the detected episode including heart activity data related to initial detection of the atrial fibrillation episode and heart activity data occurring from before and until after the application of the cardioverting electrical energy which successfully cardioverts the atria of the heart.
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Citations
14 Claims
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1. An atrial defibrillator for applying cardioverting energy to atria of a heart and storing heart activity data related to the application of cardioverting energy comprising:
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cardioverting means for applying cardioverting electrical energy to the atria of the heart; sensing means for sensing electrical activity of the heart and generating heart activity data; storage means for storing the heart activity data generated by said sensing means; means for establishing a discrete continuous time interval, said discrete continuous time interval spanning a plurality of cardiac cycles of the heart; means for causing said storage means to store generated heart activity data during said discrete continuous time interval; and means for causing said cardioverting means to apply the cardioverting electrical energy to the atria during said discrete continuous time interval. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An implantable atrial defibrillator for applying cardioverting electrical energy to the atria of a human heart in response to detection of atrial fibrillation and for storing data associated with the detection and cardioversion of the atrial fibrillation of the heart, said defibrillator comprising:
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detecting means for detecting activity of the heart; data generating means responsive to said detecting means for generating heart activity data; atrial fibrillation detecting means responsive to detected activity of the heart for detecting atrial fibrillation of the heart; cardioverting means responsive to the detection of atrial fibrillation for providing successive applications of cardioverting electrical energy to the atria of the heart; memory means for storing heart activity data generated by said data generating means; first means defining a first discrete time period corresponding to initial detection of an atrial fibrillation episode; second means defining a second discrete time period for and corresponding to each application of cardioverting electrical energy to the atrial; and means for causing said memory means to store heart activity data generated by said data generating means during the first time period and during a last second discrete time period. - View Dependent Claims (8, 9, 10)
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11. A method of applying cardioverting electrical energy to the atria of a human heart in response to detection of atrial fibrillation and for storing data associated with detection and cardioversion of an atrial fibrillation episode of the heart, said method comprising the steps of:
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detecting activity of the heart and generating heart activity data during a first time period; storing in a memory the heart activity data generated during the first time period; processing the heart activity data stored during the first time period to determine if the atria are in fibrillation; if the atria are in fibrillation, detecting activity of the heart and generating heart activity data during a second time period; continuously storing the heart activity data generated during the second time period in the memory; applying cardioverting electrical energy to the atria of the heart during the second time period; and transmitting the stored heart activity data to a non-implantable receiver. - View Dependent Claims (12, 13, 14)
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Specification