Adjustment of stimulation current path
First Claim
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1. An implantable stimulation device comprising:
- first and second anode electrodes adapted for placement in, on or near a heart;
a cathode electrode adapted for placement in, on or near a heart;
a battery separate from the first and second anode electrodes and the cathode electrode and having an anode terminal coupled to the first anode electrode and the second anode electrode and a cathode terminal coupled to the cathode electrode, the battery configured to generate an electrical potential between the first anode electrode and the cathode electrode and the second anode electrode and the cathode electrode; and
a resistance device separate from the battery and coupled between one of the anode terminal and the first anode electrode, the anode terminal and the second anode electrode and the cathode terminal and the cathode electrode and having a resistance selected to divide current between a first current path between the first anode electrode and the cathode electrode and a second current path between the second anode electrode and the cathode electrode upon generation of the electrical potential.
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Abstract
An exemplary implantable stimulation device includes an anode, a cathode, a circuit to generate an electrical potential between the anode and the cathode, and a resistance selected to divide current between a first current path to the anode and a second current path to the anode upon generation of the electrical potential between the anode and the cathode. Other exemplary methods, devices, systems, etc., are also disclosed.
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Citations
30 Claims
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1. An implantable stimulation device comprising:
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first and second anode electrodes adapted for placement in, on or near a heart; a cathode electrode adapted for placement in, on or near a heart; a battery separate from the first and second anode electrodes and the cathode electrode and having an anode terminal coupled to the first anode electrode and the second anode electrode and a cathode terminal coupled to the cathode electrode, the battery configured to generate an electrical potential between the first anode electrode and the cathode electrode and the second anode electrode and the cathode electrode; and a resistance device separate from the battery and coupled between one of the anode terminal and the first anode electrode, the anode terminal and the second anode electrode and the cathode terminal and the cathode electrode and having a resistance selected to divide current between a first current path between the first anode electrode and the cathode electrode and a second current path between the second anode electrode and the cathode electrode upon generation of the electrical potential. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An implantable lead comprising:
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an electrode; a connector configured to connect to an implantable medical device; a conductor defining a current path between the electrode and the connector and having a first end coupled to the electrode and a second end coupled to the connector; and a first circuit defining a first path having a first resistance and a second circuit defining a second path having a second resistance, the first circuit and the second circuit arranged in parallel with respect to each other and disposed between the first end of the conductor and the second end of the conductor, the first circuit configured to block current from the connector to the electrode and to pass current from the electrode to the connector and, the second circuit configured to block current from the electrode to the connector and to pass current from the connector to the electrode. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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Specification