Abstract: Methods, systems, and devices for a mechanical circulatory support system are disclosed herein. An implantable power supply can be part of a mechanical circulatory support system. The implantable power supply can include one or several energy storage components, a power source, a voltage converter, and an output bus. Power can be provided to the voltage converter from one or both of the power source and the first energy storage component. The voltage converter can convert the voltage of the power from a first voltage to a second voltage and can power the output bus.

Abstract: An implantable blood pump system is disclosed herein. The implantable blood pump system includes an implantable blood pump and a controller coupled to the blood pump. The controller includes a partially sealed housing defining an internal volume. The controller includes an energy storage component contained within the internal volume and a processor. The processor can generate one or several signals affecting operation of the implantable blood pump. The controller includes a connector receptacle including a plurality of contacts selectively coupled via a circuitry to the energy storage component. The circuitry can electrically couple the plurality of contacts to the energy storage component when a connector insert is received within the connector receptacle and deactivate the plurality of contacts from the energy storage component when the connector insert is not within the connector receptacle.

Abstract: Methods, systems, and devices for a mechanical circulatory support system are disclosed herein. An implantable power supply can be part of a mechanical circulatory support system. The implantable power supply can include one or several energy storage components, a power source, a voltage converter, and an output bus. Power can be provided to the voltage converter from one or both of the power source and the first energy storage component. The voltage converter can convert the voltage of the power from a first voltage to a second voltage and can power the output bus.

Abstract: Apparatuses and methods relating to interfacing and controlling external batteries are described. In one embodiment, an external battery is integrated with a touch screen display. In one embodiment, the external battery provides an infrared communication link with a detachable device or system controller. In one embodiment, the external battery touch screen interface provides data received from a detachable device or system controller.

Abstract: The present disclosure is directed to an electrochemical cell connector for electrically connecting a plurality of electrochemical cells, and to battery packs including the electrochemical cell connector. The electrochemical cell connectors of the present disclosure are fabricated from a flexible circuit. The flexible circuit includes conductors, such as nickel conductors, soldered or otherwise attached thereto via holes or openings in the flexible circuit. These conductors may be welded or otherwise attached to an electrochemical cell, and the electrochemical cell connections made on the flexible circuit. In many embodiments, the conductors may be attached to the flexible circuit using industry standard automated assembly equipment thus streamlining the manufacturing process and improving overall quality of the product.

Abstract: A connector assembly for connecting external power sources to an implanted medical device enables continual supply of electrical power to the implanted medical device during replacement of an external power source. A connector assembly includes a distal driveline contact assembly, a first driveline contact assembly, and a second driveline contact assembly. The second driveline contact assembly is connectable to the distal driveline contact assembly prior to disconnection of the first driveline contact assembly from the distal driveline contact assembly.

Abstract: Methods, systems, and devices for a mechanical circulatory support system are disclosed herein. An implantable power supply can be part of a mechanical circulatory support system. The implantable power supply can include one or several energy storage components, a power source, a voltage converter, and an output bus. Power can be provided to the voltage converter from one or both of the power source and the first energy storage component. The voltage converter can convert the voltage of the power from a first voltage to a second voltage and can power the output bus.

Abstract: Methods, systems, and devices for a mechanical circulatory support system are disclosed herein. An implantable power supply can be part of a mechanical circulatory support system. The implantable power supply can include one or several energy storage components, a power source, a voltage converter, and an output bus. Power can be provided to the voltage converter from one or both of the power source and the first energy storage component. The voltage converter can convert the voltage of the power from a first voltage to a second voltage and can power the output bus.

Abstract: Systems and designs for tuning a wireless power transfer system are provided, which may include any number of features. In one embodiment, a wireless power transfer system can be configured such that resonant frequencies of the system move towards an operating frequency of the system as a coupling coefficient between the transmit and receive resonators becomes smaller. In another embodiment, a receive controller can be configured to control a current delivered to a DC load by comparing an actual current at the DC load to a current requested by the DC load and adjusting an angle or a magnitude of a voltage at the DC load to match the requested current. In another embodiment, a rectifier circuit can act as a controlled voltage source and be configured to tune resonant frequencies between the transmit resonator and the receive resonator. Methods of use are also provided.

Abstract: An improved wireless transmission system for transferring power over a distance. The system includes a transmitter generating a magnetic field and a receiver for inducing a voltage in response to the magnetic field. In some embodiments, the transmitter can include a plurality of transmitter resonators configured to transmit wireless power to the receiver. The transmitter resonators can be disposed on a flexible substrate adapted to conform to a patient. In one embodiment, the polarities of magnetic flux received by the receiver can be measured and communicated to the transmitter, which can adjust polarities of the transmitter resonators to optimize power transfer. Methods of use are also provided.

Abstract: Systems for tuning a wireless power transfer system are provided, which may include any number of features. In one embodiment, a wireless power transfer system can include a transmit controller connected to the transmitter resonator and configured to measure an impedance on the transmitter resonator. The transmit controller can be configured to determine a load resistance of the receiver resonator and a coupling coefficient between the transmitter and receiver resonators based on the measured impedance on the transmitter resonator. The transmit controller can be further configured to adjust a power transmission parameter of the transmitter resonator based on the determined load resistance and the coupling coefficient to achieve a controlled voltage at a load of the receiver. Methods of use are also provided.

Abstract: The present disclosure is directed to an electrochemical cell connector for electrically connecting a plurality of electrochemical cells, and to battery packs including the electrochemical cell connector. The electrochemical cell connectors of the present disclosure are fabricated from a flexible circuit. The flexible circuit includes conductors, such as nickel conductors, soldered or otherwise attached thereto via holes or openings in the flexible circuit. These conductors may be welded or otherwise attached to an electrochemical cell, and the electrochemical cell connections made on the flexible circuit. In many embodiments, the conductors may be attached to the flexible circuit using industry standard automated assembly equipment thus streamlining the manufacturing process and improving overall quality of the product.

Abstract: An implantable blood pump system is disclosed herein. The implantable blood pump system includes an implantable blood pump and a controller coupled to the blood pump. The controller includes a partially sealed housing defining an internal volume. The controller includes an energy storage component contained within the internal volume and a processor. The processor can generate one or several signals affecting operation of the implantable blood pump. The controller includes a connector receptacle including a plurality of contacts selectively coupled via a circuitry to the energy storage component. The circuitry can electrically couple the plurality of contacts to the energy storage component when a connector insert is received within the connector receptacle and deactivate the plurality of contacts from the energy storage component when the connector insert is not within the connector receptacle.

Abstract: A connector assembly for connecting external power sources to an implanted medical device enables continual supply of electrical power to the implanted medical device during replacement of an external power source. A connector assembly includes a distal driveline contact assembly, a first driveline contact assembly, and a second driveline contact assembly. The second driveline contact assembly is connectable to the distal driveline contact assembly prior to disconnection of the first driveline contact assembly from the distal driveline contact assembly.

Abstract: Systems and designs for tuning a wireless power transfer system are provided, which may include any number of features. In one embodiment, a wireless power transfer system can include first and second switched capacitor circuits electrically connected to opposite poles of the inductor of a resonator in the wireless power system. The first and second switched capacitor circuits can be switched on and off with MOSFETS to change a capacitance of the circuits, and thus an effective capacitance of the resonator. Methods of use are also provided.

Abstract: A method for modeling, designing, and/or optimizing a wireless power transfer system, such as a resonant power transfer system. The method may be based on artificial intelligence or expert systems. A computer program product for optimizing a power transfer system is also disclosed.

Abstract: Apparatuses and methods relating to interfacing and controlling external batteries are described. In one embodiment, an external battery is integrated with a touch screen display. In one embodiment, the external battery provides an infrared communication link with a detachable device or system controller. In one embodiment, the external battery touch screen interface provides data received from a detachable device or system controller.

Abstract: An improved wireless transmission system for transferring power over a distance. The system includes a transmitter generating a magnetic field and a receiver for inducing a voltage in response to the magnetic field. In some embodiments, the transmitter can include a plurality of transmitter resonators configured to transmit wireless power to the receiver. The transmitter resonators can be disposed on a flexible substrate adapted to conform to a patient. In one embodiment, the polarities of magnetic flux received by the receiver can be measured and communicated to the transmitter, which can adjust polarities of the transmitter resonators to optimize power transfer. Methods of use are also provided.

Abstract: Apparatuses and methods relating to interfacing and controlling external batteries are described. In one embodiment, an external battery is integrated with a touch screen display. In one embodiment, the external battery provides an infrared communication link with a detachable device or system controller. In one embodiment, the external battery touch screen interface provides data received from a detachable device or system controller.

Abstract: An improved wireless transmission system for transferring power over a distance. The system includes a transmitter generating a magnetic field and a receiver for inducing a voltage in response to the magnetic field. In some embodiments, the transmitter can include a plurality of transmitter resonators configured to transmit wireless power to the receiver. The transmitter resonators can be disposed on a flexible substrate adapted to conform to a patient. In one embodiment, the polarities of magnetic flux received by the receiver can be measured and communicated to the transmitter, which can adjust polarities of the transmitter resonators to optimize power transfer. Methods of use are also provided.