Leadless cardiac pacemaker
First Claim
Patent Images
1. A leadless biostimulator comprising:
- a housing;
a plurality of electrodes formed integrally to the housing or coupled to the housing at a maximum distance of 2 centimeters;
a pulse generator hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse generator configured to generate and deliver electrical pulses via the electrode plurality;
a processor hermetically contained within the housing and communicatively coupled to the pulse generator and the electrode plurality, the processor configured to control electrical pulse delivery according to programmed instructions; and
a power supply hermetically contained within the housing and coupled to the pulse generator, the power supply configured to supply energy for operations and electrical pulse generation as a source internal to the housing, the power supply further comprising a primary battery with an energy density of at least 3 watt-hours/cubic centimeter.
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Accused Products
Abstract
In a cardiac pacing system, a leadless cardiac pacemaker is configured for implantation in electrical contact with a cardiac chamber and configured for leadless pacing.
324 Citations
44 Claims
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1. A leadless biostimulator comprising:
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a housing;
a plurality of electrodes formed integrally to the housing or coupled to the housing at a maximum distance of 2 centimeters;
a pulse generator hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse generator configured to generate and deliver electrical pulses via the electrode plurality;
a processor hermetically contained within the housing and communicatively coupled to the pulse generator and the electrode plurality, the processor configured to control electrical pulse delivery according to programmed instructions; and
a power supply hermetically contained within the housing and coupled to the pulse generator, the power supply configured to supply energy for operations and electrical pulse generation as a source internal to the housing, the power supply further comprising a primary battery with an energy density of at least 3 watt-hours/cubic centimeter. - 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, 24, 25)
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26. A leadless biostimulator comprising:
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a housing;
a plurality of electrodes formed integrally to the housing or coupled to the housing at a maximum distance of 2 centimeters;
a pulse generator hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse generator configured for generating and delivering electrical pulses to the electrode plurality;
an amplifier hermetically contained within the housing and electrically coupled to the electrode plurality, the amplifier configured to amplify signals received from the electrode plurality;
a processor hermetically contained within the housing and communicatively coupled to the pulse generator, the amplifier, and the electrode plurality, the processor configured to receive amplifier output signals from the amplifier and control electrical pulse delivery according to programmed instructions; and
a power supply hermetically contained within the housing and coupled to the pulse generator, the power supply configured to supply energy for operations and electrical pulse generation as a source internal to the housing wherein the power supply has a volume less than approximately 1 cubic centimeter and sources sufficient energy to support circuitry contained within the housing. - View Dependent Claims (27, 28, 29, 30)
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31. A leadless cardiac pacemaker comprising:
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a housing;
a plurality of electrodes formed integrally to the housing or coupled to the housing at a maximum distance of 2 centimeters;
a pulse generator hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse generator configured for generating and delivering electrical pulses to the electrode plurality and causing cardiac contractions, the pulse generator further configured for conveying information to at least one device external to the pacemaker by conductive communication encoded on pacing pulses via the electrode plurality;
at least one amplifier hermetically contained within the housing and electrically coupled to the electrode plurality, the at least one amplifier configured to amplify signals received from the electrode plurality and to detect cardiac contractions, the at least one amplifier further configured to receive information from the at least one external device;
a processor hermetically contained within the housing and communicatively coupled to the pulse generator, the at least one amplifier, and the electrode plurality, the processor configured to receive amplifier output signals from the amplifier, control communications, and control electrical pulse delivery according to programmed instructions; and
a power supply hermetically contained within the housing and coupled to the pulse generator, the power supply configured to supply energy for operations, communication, and electrical pulse generation as a source internal to the housing. - View Dependent Claims (32, 33, 34, 35)
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36. A leadless cardiac pacemaker comprising:
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a housing;
a plurality of electrodes formed integrally to the housing or coupled to the housing at a maximum distance of 2 centimeters;
a pulse generator hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse generator configured to generate and deliver electrical pulses to the electrode plurality powered from a source contained entirely within the housing;
a logic hermetically contained within the housing and communicatively coupled to the pulse generator and the electrode plurality, the logic configured to control electrical pulse delivery and communication with an external device according to logic execution of program instructions; and
a battery configured to power the leadless biostimulator and having a volume of less than one cubic centimeter and a minimum lifetime of five years.
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37. A leadless biostimulator comprising:
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a housing;
a plurality of electrodes formed integrally to the housing or coupled to the housing at a maximum distance of 2 centimeters;
a pulse generator hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse generator configured for generating and delivering electrical pulses to the electrode plurality; and
a processor hermetically contained within the housing and communicatively coupled to the pulse generator and the electrode plurality, the processor configured to control electrical pulse delivery and configured to communicate with at least one device external to the biostimulator by conductive communication signals encoded on biostimulation pulses via the electrode plurality. - View Dependent Claims (38, 39, 40)
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41. A cardiac pacing system comprising:
a leadless cardiac pacemaker configured for implantation in electrical contact with a cardiac chamber and configured for leadless pacing and powered by a battery contained within a volume of less than one cubic centimeter that sources sufficient energy to support circuitry that consumes a maximum of 64 microwatts.
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42. A method of operating a biostimulator comprising:
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configuring operational circuits and components in a leadless biostimulator to consume a maximum of 64 total microwatts; and
powering the leadless biostimulator from a battery contained within a volume of less than one cubic centimeter that sources sufficient energy to support the operational circuits and components. - View Dependent Claims (43, 44)
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Specification