Tissue conduction communication (TCC) transmission
First Claim
1. An implantable cardioverter defibrillator (ICD) configured to transmit a tissue conduction communication (TCC) signal, the ICD comprising:
- a housing;
a plurality of electrodes; and
a signal generator within the housing, the signal generator comprising;
a shock module coupled to the plurality of electrodes, wherein the shock module is configured to generate an anti-tachyarrhythmia shock and deliver the anti-tachyarrhythmia shock to a patient via the plurality of electrodes; and
a TCC transmitter module coupled to the plurality of electrodes, wherein the TCC transmitter module is configured to generate the TCC signal and transmit the TCC signal via the plurality of electrodes, wherein the TCC signal comprises a biphasic signal having an amplitude and a frequency, wherein at least one of the amplitude or the frequency is configured to avoid stimulation of tissue of the patient by the TCC signal, and wherein the TCC transmitter module comprises;
a power source configured to deliver current having the amplitude to the plurality of electrodes;
polarity switching circuitry coupled to the power source, wherein the polarity switching circuitry is configured to switch the polarity of the current at the frequency; and
protection circuitry coupled between the power source and the plurality of electrodes, wherein the protection circuitry is configured to protect the TCC transmitter module and other circuitry within the housing of the ICD from an anti-tachyarrhythmia shock delivered to the patient by the shock module or an external device, and a standoff voltage of the protection circuitry is greater than 2000 volts (V).
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Accused Products
Abstract
An implantable cardioverter defibrillator (ICD) configured to transmit a tissue conduction communication (TCC) signal includes a TCC transmitter module configured to generate the TCC signal and transmit the TCC signal via a plurality of electrodes. The TCC signal comprises a biphasic signal having an amplitude and a frequency, wherein at least one of the amplitude and the frequency are configured to avoid stimulation of tissue of the patient. The TCC transmitter module comprises protection circuitry coupled between a current source and the plurality of electrodes, wherein the protection circuitry is configured to protect the signal generator from an external anti-tachyarrhythmia shock delivered to the patient.
115 Citations
20 Claims
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1. An implantable cardioverter defibrillator (ICD) configured to transmit a tissue conduction communication (TCC) signal, the ICD comprising:
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a housing; a plurality of electrodes; and a signal generator within the housing, the signal generator comprising; a shock module coupled to the plurality of electrodes, wherein the shock module is configured to generate an anti-tachyarrhythmia shock and deliver the anti-tachyarrhythmia shock to a patient via the plurality of electrodes; and a TCC transmitter module coupled to the plurality of electrodes, wherein the TCC transmitter module is configured to generate the TCC signal and transmit the TCC signal via the plurality of electrodes, wherein the TCC signal comprises a biphasic signal having an amplitude and a frequency, wherein at least one of the amplitude or the frequency is configured to avoid stimulation of tissue of the patient by the TCC signal, and wherein the TCC transmitter module comprises; a power source configured to deliver current having the amplitude to the plurality of electrodes; polarity switching circuitry coupled to the power source, wherein the polarity switching circuitry is configured to switch the polarity of the current at the frequency; and protection circuitry coupled between the power source and the plurality of electrodes, wherein the protection circuitry is configured to protect the TCC transmitter module and other circuitry within the housing of the ICD from an anti-tachyarrhythmia shock delivered to the patient by the shock module or an external device, and a standoff voltage of the protection circuitry is greater than 2000 volts (V). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An implantable cardioverter defibrillator (ICD) configured to transmit a tissue conduction communication (TCC) signal, the ICD comprising:
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a housing; a plurality of electrodes; and a signal generator within the housing, the signal generator comprising; a shock module coupled to the plurality of electrodes, wherein the shock module is configured to generate an anti-tachyarrhythmia shock and deliver the anti-tachyarrhythmia shock to a patient via the plurality of electrodes; and a TCC transmitter module coupled to the plurality of electrodes, wherein the TCC transmitter module is configured to generate the TCC signal and transmit the TCC signal via the plurality of electrodes, wherein the TCC signal comprises a biphasic signal having an amplitude and a frequency, wherein at least one of the amplitude or the frequency is configured to avoid stimulation of tissue of the patient by the TCC signal, and wherein the TCC transmitter module comprises; a power source configured to deliver current having the amplitude to the plurality of electrodes; polarity switching circuitry coupled to the power source, wherein the polarity switching circuitry is configured to switch the polarity of the current at the frequency; and protection circuitry coupled between the power source and the plurality of electrodes, wherein the protection circuitry is configured to protect the TCC transmitter module and other circuitry within the housing of the ICD from an anti-tachyarrhythmia shock delivered to the patient by the shock module or an external device, wherein the power source and the protection circuitry comprise at least two common high-voltage switches, wherein a first high-voltage switch of the at least two common high-voltage switches is coupled to a first electrode of the plurality of electrodes, and a second high-voltage switch of the at least two common high-voltage switches is coupled to a second electrode of the plurality of electrodes, and wherein cathodes of the first and second high-voltage switches deliver current to the plurality of electrodes. - View Dependent Claims (16)
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17. An implantable cardioverter defibrillator (ICD) configured to transmit a tissue conduction communication (TCC) signal, the ICD comprising:
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a housing, a plurality of electrodes, and a signal generator within the housing, the signal generator comprising; a shock module coupled to the plurality of electrodes, wherein the shock module is configured to generate an anti-tachyarrhythmia shock and deliver the anti-tachyarrhythmia shock to a patient via the plurality of electrodes, and a TCC transmitter module coupled to the plurality of electrodes, wherein the TCC transmitter module is configured to generate the TCC signal and transmit the TCC signal via the plurality of electrodes, wherein the TCC signal comprises a biphasic signal having an amplitude and a frequency, wherein at least one of the amplitude or the frequency is configured to avoid stimulation of tissue of the patient by the TCC signal, and wherein the TCC transmitter module comprises; a power source configured to deliver current having the amplitude to the plurality of electrodes, polarity switching circuitry coupled to the power source, wherein the polarity switching circuitry is configured to switch the polarity of the current at the frequency, wherein the polarity switching circuitry comprises; a first transistor coupled to a first electrode of the plurality of electrodes; and a second transistor coupled to a second electrode of the plurality of electrodes, and wherein on-off states of the first and second transistors are oppositely alternated at the frequency to switch the polarity of the current at the frequency; and protection circuitry coupled between the power source and the plurality of electrodes, wherein the protection circuitry is configured to protect the TCC transmitter module and other circuitry within the housing of the ICD from an anti-tachyarrhythmia shock delivered to the patient by the shock module or an external device. - View Dependent Claims (18, 19)
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20. An extravascular implantable cardioverter defibrillator (ICD) configured to transmit a tissue conduction communication (TCC) signal, the extravascular ICD comprising:
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a housing configured for extravascular implantation within a patient, wherein the housing comprises a housing electrode; and a signal generator within the housing, the signal generator comprising; a shock module coupled to the housing electrode and a coil electrode, wherein the coil electrode is configured for extravascular implantation within the patient and is coupled to the extravascular ICD by an implantable lead, wherein the shock module is configured to generate an anti-tachyarrhythmia shock and deliver the anti-tachyarrhythmia shock to a patient via the housing electrode and the coil electrode; and a TCC transmitter module coupled to the housing electrode and the coil electrode, wherein the TCC transmitter module is configured to generate the TCC signal and transmit the TCC signal via the housing electrode and the coil electrode, wherein the TCC signal comprises a biphasic signal having an amplitude and a frequency, wherein at least one of the amplitude or the frequency is configured to avoid stimulation of tissue of the patient by the TCC signal, wherein the frequency is at least 100 kHz and the amplitude is within a range from 5 mA to 40 mA, and wherein the TCC transmitter module comprises; a power source configured to deliver a current having the amplitude to the electrodes; polarity switching circuitry coupled to the power source, the polarity switching circuitry configured to switch the polarity of the current at the frequency; and protection circuitry coupled between the power source and the electrodes, wherein the protection circuitry is configured to protect the TCC transmitter module and other circuitry within the housing of the ICD from an anti-tachyarrhythmia shock delivered to the patient by the shock module or an external device, and wherein the protection circuitry comprises; an LC circuit that comprises a first capacitor coupled between the power source and one of the electrodes and an inductor, wherein the frequency of the TCC signal is within a pass-band of the LC circuit; and a second capacitor coupled between the power source and the other of the electrodes.
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Specification