Implantable Medical Device for Treating Neurological Conditions Including ECG Sensing
First Claim
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1. An apparatus comprising:
- a hermetically sealed implantable device including at least three leadless electrodes located on a housing of the medical device and a brain port;
a lead having a proximal end configured to connect with the brain port, the lead having a distal end with an electrode configured to deliver stimulation to a patient'"'"'s brain;
a processor; and
a computer readable medium in communication with the processor, the computer readable medium comprising executable instructions for causing the processor to perform the following;
enable two of the at least three leadless electrodes for cardiac monitoring based on a post-implantation determination indicating which of the at least three leadless electrodes will be used for cardiac monitoring;
enable one of the at least three leadless electrodes not enabled for cardiac monitoring for acting as an indifferent electrode in monopolar stimulation;
deliver neurostimulation to the patient to treat a neurological condition through the electrode on the distal end of the lead while the one of the at least three leadless electrodes not enabled for cardiac monitoring acts as the indifferent electrode for the neurostimulation; and
monitor for the presence of cardiac events using the two of the at least three leadless electrodes enabled for cardiac monitoring.
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Abstract
An implantable medical device such as an implantable pulse generator that includes EEG sensing for monitoring and treating neurological conditions, and leadless ECG sensing for monitoring cardiac signals. The device includes a connector block with provisions for cardiac leads which may be used/enabled when needed. If significant co-morbid cardiac events are observed in patients via the leadless ECG monitoring, then cardiac leads may be subsequently connected for therapeutic use.
93 Citations
17 Claims
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1. An apparatus comprising:
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a hermetically sealed implantable device including at least three leadless electrodes located on a housing of the medical device and a brain port; a lead having a proximal end configured to connect with the brain port, the lead having a distal end with an electrode configured to deliver stimulation to a patient'"'"'s brain; a processor; and a computer readable medium in communication with the processor, the computer readable medium comprising executable instructions for causing the processor to perform the following; enable two of the at least three leadless electrodes for cardiac monitoring based on a post-implantation determination indicating which of the at least three leadless electrodes will be used for cardiac monitoring; enable one of the at least three leadless electrodes not enabled for cardiac monitoring for acting as an indifferent electrode in monopolar stimulation; deliver neurostimulation to the patient to treat a neurological condition through the electrode on the distal end of the lead while the one of the at least three leadless electrodes not enabled for cardiac monitoring acts as the indifferent electrode for the neurostimulation; and monitor for the presence of cardiac events using the two of the at least three leadless electrodes enabled for cardiac monitoring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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dividing a plurality of electrodes on the exterior of an implantable housing for use between cardiac monitoring and brain stimulation; enabling cardiac monitoring from two of the plurality of electrodes based on the division of the plurality of electrodes; enabling brain stimulation from one of the plurality of electrodes not enabled for cardiac monitoring based on the division of the plurality of electrodes; monitoring for cardiac events using the two of the plurality of electrodes enabled for cardiac sensing; and delivering monopolar stimulation to a patient'"'"'s brain through an electrode on the distal end of a lead, the lead connected to a brain port of the implantable housing, the one of the plurality of electrodes enabled for brain stimulation acting as an indifferent electrode for the neurostimulation, wherein enabling cardiac monitoring, enabling brain stimulation, monitoring, and delivering are each performed at least in part by a processor. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A system comprising:
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means for dividing a plurality of electrodes on the exterior of an implantable housing for use between cardiac monitoring and brain stimulation; means for enabling cardiac monitoring from two of the plurality of electrodes based on the division of the plurality of electrodes; means for enabling brain stimulation from one of the plurality of electrodes not enabled for cardiac monitoring based on the division of the plurality of electrodes; means for monitoring for cardiac events using the two of the plurality of electrodes enabled for cardiac sensing; and means for delivering monopolar stimulation to a patient'"'"'s brain through an electrode on the distal end of a lead, the lead connected to a brain port of the implantable housing, the one of the plurality of electrodes enabled for brain stimulation acting as an indifferent electrode for the monopolar stimulation.
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Specification