Implantable defibrillation system
A defibrillation generator for an implantable defibrillation system comprises a housing, a connector block for connecting an electrode lead assembly to be non-transvenously implanted in a patient, and control device for controlling the operation of the defibrillation generator. The connector block has two connectors, to each of which an electrode lead of the electrode lead assembly, said electrode leads having at least one defibrillation electrode pole, is connectable, wherein the control device is configurable to assume a first operating state if an electrode lead is connected to just one of the two connectors, or a second operating state if electrode leads are connected to each of the two connectors.
1 . A defibrillation generator for an implantable defibrillation system, comprising:
a housing;
a connector block for connecting a non-transvenously implantable electrode lead assembly having at least one electrode lead and at least one defibrillation electrode pole; and
a control device for controlling the operation of the defibrillation generator,
wherein the connector block has two connectors, each connector of the two connectors is configured to connect to a single electrode lead of the electrode lead assembly,
wherein the control device is configured to assume a first operating state when only one electrode lead is connected to one connector of the two connectors, the first operating state providing a first defibrillation function,
wherein the control device is configured to assume a second operating state when two electrode leads, are connected to the two connectors, the second operating state providing a second defibrillation function,
wherein each of the two electrode leads comprises a defibrillation electrode pole, an atrial sensing electrode pole for detecting atrial signals and arranged on a first side of the defibrillation electrode pole, and a ventricular sensing electrode pole for detecting ventricular signals and arranged on a second side of the defibrillation electrode pole,
wherein the control device has a first receiving channel for processing ventricular signals received via the electrode lead assembly and a second receiving channel for processing atrial signals received via the electrode lead assembly, wherein the second receiving channel has a different gain and different filter characteristic than the first receiving channel for processing the atrial signals separately from the ventricular signals, and
wherein each filter characteristic utilizes a cyclic time window to suppress interfering signals.
2 . The defibrillation generator according to claim 1 , wherein the connector block has a third connector for connecting an electrode lead to be transvenously implanted intracardially.
3 . The defibrillation generator according to claim 2 , wherein the connector block has a fourth connector for connecting a coronary sinus electrode lead to be transvenously implanted.
4 . The defibrillation generator according to claim 1 , wherein the housing of the defibrillation generator forms a counter-electrode to at least one defibrillation electrode pole of an electrode lead of the electrode lead assembly for delivering stimulation energy.
5 . An implantable defibrillation system, comprising:
an electrode lead assembly; and
a defibrillation generator, comprising:
a connector block for connecting a non-transvenously implantable electrode lead assembly having at least one electrode lead and at least one defibrillation electrode pole; and
a control device for controlling the operation of the defibrillation generator,
wherein the connector block has two connectors, each connector of the two connectors is configured to connect to a single electrode lead of the electrode lead assembly,
wherein the control device is configured to assume a first operating state when only one electrode lead is connected to one connector of the two connectors, the first operating state providing a first defibrillation function,
wherein the control device is configured to assume a second operating state when two electrode leads, are connected to the two connectors, the second operating state providing a second defibrillation function,
wherein each of the two electrode leads comprises a defibrillation electrode pole, an atrial sensing electrode pole for detecting atrial signals and arranged on a first side of the defibrillation electrode pole, and a ventricular sensing electrode pole for detecting ventricular signals and arranged on a second side of the defibrillation electrode pole,
wherein the control device has a first receiving channel for processing ventricular signals received via the electrode lead assembly and a second receiving channel for processing atrial signals received via the electrode lead assembly, wherein the second receiving channel has a different gain and different filter characteristic than the first receiving channel for processing the atrial signals separately from the ventricular signals, and
wherein each filter characteristic utilizes a cyclic time window to suppress interfering signals.
6 . The implantable defibrillation system according to claim 5 , wherein at least one of the atrial sensing electrode pole and the ventricular electrode pole is designed as a ring electrode.
7 . The implantable defibrillation system according to claim 5 , wherein the at least one defibrillation electrode pole is designed as a helix.
8 . The implantable defibrillation system according to claim 5 , wherein the first electrode lead and/or the second electrode lead have at least one atrial sensing electrode pole for detecting atrial signals at a distal end of the electrode lead in question, remote from the defibrillation generator.
9 . The implantable defibrillation system according to claim 5 , wherein the first electrode lead and/or the second electrode lead have two atrial sensing electrode poles, forming a dipole, for detecting atrial signals.
10 . The implantable defibrillation system according to claim 5 , further comprising a third electrode lead for connection to a third connector of the connector block of the defibrillation generator, the third electrode lead being intended to be intravenously implanted in the heart.
11 . The implantable defibrillation system according to claim 10 , wherein the third electrode lead has an electrode array for intracardiac stimulation and/or sensing.
12 . A method for configuring an implantable defibrillation system, comprising the steps of:
providing a defibrillation generator, which has a housing, a connector block for connecting to an electrode lead assembly, and a control device for controlling the operation of the defibrillation generator;
providing a non-transvenously electrode lead assembly comprising at least one electrode lead and at least one defibrillation electrode pole;
wherein the connector block has two connectors, each connector of the two connectors is configured to connect to a single electrode lead of the electrode lead assembly;
configuring a switching unit of the control device to assume a first operating state when only one electrode lead is connected to one connector of the two connectors, the first operating state providing a first defibrillation function;
configuring the switching unit of the control device to assume a second operating state when two electrode leads, are connected to the two connectors, the second operating state providing a second defibrillation function,
wherein each of the two electrode leads comprises a defibrillation electrode pole, an atrial sensing electrode pole for detecting atrial signals and arranged on a first side of the defibrillation electrode pole, and a ventricular sensing electrode pole for detecting ventricular signals and arranged on a second side of the defibrillation electrode pole,
wherein the control device has a first receiving channel for processing ventricular signals received via the electrode lead assembly and a second receiving channel for processing atrial signals received via the electrode lead assembly, wherein the second receiving channel has a different gain and different filter characteristic than the first receiving channel for processing the atrial signals separately from the ventricular signals, and
wherein each filter characteristic utilizes a cyclic time window to suppress interfering signals.