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| Number | Title | Issue Date |
| 8185212 | Chair pad charging and communication system for a battery-powered microstimulator A system and method are provided for both recharging and communicating with a stimulator having a rechargeable battery, which stimulator is implanted deeply in the body, in particular where the stimulator is a microstimulator, the system includes a base station and ... | 05/22/2012 |
| 8175717 | Ultracapacitor powered implantable pulse generator with dedicated power supply A stimulator includes an implantable pulse generator comprising circuit elements, a first power source, such as an ultracapacitor, that provides operating power for the circuit elements of the pulse generator. The pulse generator can also have a memory associated th... | 05/08/2012 |
| 8175718 | Electrode patch and method for neurostimulation A system for stimulating a nerve or nerves in a patient includes an electrode patch having an array of equally spaced concentric electrodes each having a central cathode and a concentrically surrounding anode. The electrode array patch is used to determine the locat... | 05/08/2012 |
| 8170681 | Method of charging an implantable medical device A rechargeable implantable medical device with a magnetic shield placed on the distal side of a secondary recharging coil to improve charging efficiency is disclosed. The rechargeable implantable medical device can be a wide variety of medical devices such as neuro ... | 05/01/2012 |
| 8155752 | Implantable medical device with single coil for charging and communicating A combination charging and telemetry circuit for use within an implantable device, such as a microstimulator, uses a single coil for both charging and telemetry. In accordance with one aspect of the invention, one or more capacitors are used to tune the single coil ... | 04/10/2012 |
| 8140168 | External power source for an implantable medical device having an adjustable carrier frequency and system and method related therefore A transcutaneous energy transfer system, transcutaneous charging system, external power source, external charger and methods of transcutaneous energy transfer and charging for an implantable medical device and an external power source/charger. The implantable medica... | 03/20/2012 |
| 8131378 | Inductive repeater coil for an implantable device The present invention is a power and data transmission system for an implantable device. In particular, it is an inductive system with a passive repeater coil pair to improve efficiency of the device. ... | 03/06/2012 |
| 8082041 | Bio-implantable ultrasound energy capture and storage assembly including transmitter and receiver cooling A bio-implantable energy capture and storage assembly, including an acoustic energy transmitter for contact with the skin, and an acoustic energy receiver—converter for converting acoustic energy to electrical energy; and a battery or capacitor connected to the en... | 12/20/2011 |
| 8078286 | Techniques for minimizing radiofrequency-induced tissue heating Methods and systems are provided for wirelessly powering a medical device in a living subject using external radiofrequency energy. A radiofrequency driving unit outside the subject irradiates the medical device. A passive antenna is positioned outside the subject, ... | 12/13/2011 |
| 8060215 | Implantable microstimulator having a battery unit and methods of use therefor An implantable microstimulator arrangement includes at least one implantable microstimulator unit; an implantable battery unit separate from the implantable microstimulator unit(s); and at least one lead coupling the microstimulator unit(s) to the battery unit. The ... | 11/15/2011 |
| 8060214 | Implantable medical device with inductive coil configurable for mechanical fixation An embodiment of a system for gathering physiologic data related to a human body includes a sensor device implanted in the human body, an inductive coil communicably coupled to the implanted sensor device; and a manager device in communication with the implanted sen... | 11/15/2011 |
| 8046081 | Implanted system with DC free inputs and outputs An implantable electronic system is described. An implantable power supply includes multiple power input ports for receiving an externally generated power supply signal, and multiple power output ports for developing a detected power signal. An implantable prostheti... | 10/25/2011 |
| 8032227 | Method for controlling telemetry in an implantable medical device based on power source capacity An implantable microstimulator configured for implantation beneath a patient's skin for tissue stimulation to prevent and/or treat various disorders, uses a self-contained power source. Periodic or occasional replenishment of the power source is accomplished, for ex... | 10/04/2011 |
| 8024047 | Alignment indication for transcutaneous energy transfer System for transcutaneous energy transfer. An implantable medical device, adapted to be implanted in a patient, has componentry for providing a therapeutic output. The implantable medical device has an internal power source and a secondary coil operatively coupled t... | 09/20/2011 |
| 8000800 | Contactless charging system for an artificial organ, a storage device and a feeding device for use with this system According to a charging system of this invention, an alternating current required for charging of an electric double layer capacitor of a storage device in the body may be transmitted from a feeding device outside the body through power receiving and power transmitt... | 08/16/2011 |
| 7962222 | Battery protection and zero-volt battery recovery system for an implantable medical device Circuitry useable to protect and reliably charge a rechargeable battery, even from a zero-volt state, is disclosed, and is particularly useful when employed in an implantable medical device. The circuit includes two charging paths, a first path for trickle charging ... | 06/14/2011 |
| 7953493 | Optimizing size of implantable medical devices by isolating the power source A wireless cardiac stimulation device comprising an implantable transmitter module housing a transmitter and a separately implantable battery module housing a battery for powering the transmitter and other device electronics via a subcutaneously routable electrical ... | 05/31/2011 |
| 7945334 | Implantable medical device and electrical stimulation device with magnetic shield A rechargeable implantable medical device with a magnetic shield placed on the distal side of a secondary recharging coil to improve charging efficiency is disclosed. The rechargeable implantable medical device can be a wide variety of medical devices such as neuro ... | 05/17/2011 |
| 7925357 | Holster for charging pectorally implanted medical devices A holster that may be donned in a first configuration for charging a pectorally implanted medical device on the patient's right side, a second configuration for charging a pectorally implanted medical device on the patient's left side, or a third configuration for u... | 04/12/2011 |
| 7908014 | Antenna on ceramic case The invention is an antenna for use with an implantable microdevice, such as a microstimulator or microsensor, having a dipole antenna that is formed by ceramic processes on the inner or outer surface of the ceramic case of the microdevice. The antenna receives data... | 03/15/2011 |
| 7904171 | Voltage converter for implantable microstimulator using RF-powering coil A combination, voltage converter circuit for use within an implantable device, such as a microstimulator, uses a coil, instead of capacitors, to provide a voltage step up and step down conversion functions. The output voltage is controlled, or adjusted, through duty... | 03/08/2011 |
| 7881803 | Multi-electrode implantable stimulator device with a single current path decoupling capacitor Disclosed herein are circuits and methods for a multi-electrode implantable stimulator device incorporating one decoupling capacitor in the current path established via at least one cathode electrode and at least one anode electrode. In one embodiment, the decouplin... | 02/01/2011 |
| 7865245 | Battery recharge management for implantable medical device An implantable medical device having an implantable power source such as a rechargeable lithium ion battery. The implantable medical device includes a recharge module that regulates the recharging process of the implantable power source using closed-loop feedback co... | 01/04/2011 |
| 7844342 | Powering implantable restriction systems using light Various powering devices are provided for transferring and/or generating energy from numerous sources to a communicating member implanted in a patient. The energy transferred to or generated by the communicating member can be used to provide power to an implantable ... | 11/30/2010 |
| 7818068 | Implantable pulse generators using rechargeable zero-volt technology lithium-ion batteries An implantable medical device, such as an implantable pulse generator (IPG) used with a spinal cord stimulation (SCS) system, includes a rechargeable lithium-ion battery having an anode electrode with a substrate made substantially from titanium. Such battery constr... | 10/19/2010 |
| 7813810 | Apparatus and method for supplying power to subcutaneously implanted devices A power source providing electric power to subcutaneously implanted devices capture mechanical energy from the expansion and contraction of a cross-section of a blood vessel during a systolic-diastolic blood pressure cycle include a mechano-electric transducer assem... | 10/12/2010 |
| 7805200 | Implantable medical device with external housing for a recharging coil A rechargeable implantable medical device with an external recharging coil carried on the medical device proximal face. The recharging coil can be attached to the medical device housing physically, or chemically, or a combination of both physically and chemically. T... | 09/28/2010 |
| 7774069 | Alignment indication for transcutaneous energy transfer System for transcutaneous energy transfer. An implantable medical device, adapted to be implanted in a patient, has componentry for providing a therapeutic output. The implantable medical device has an internal power source and a secondary coil operatively coupled t... | 08/10/2010 |
| 7769466 | Class-E radio frequency amplifier for use with an implantable medical device A medical apparatus includes an extracorporeal power source that transmits electrical power via a radio frequency signal to a medical device implanted inside an animal. The extracorporeal power source has a Class-E amplifier with a choke and a semiconductor switch c... | 08/03/2010 |
| 7751902 | Digitally controlled RF amplifier with wide dynamic range output A push-pull amplifier efficiency provides a 4:1 (12 dB) course adjustment of power output by using a single digital control input. The amplifier is provided with an input voltage (VDD) having sixteen steps ranging from 1.25 volts to 3.00 volts. Based on the digital ... | 07/06/2010 |
| 7738965 | Holster for charging pectorally implanted medical devices A holster that may be donned in a first configuration for charging a pectorally implanted medical device on the patient's right side, a second configuration for charging a pectorally implanted medical device on the patient's left side, or a third configuration for u... | 06/15/2010 |
| 7734353 | Controlling temperature during recharge for treatment of infection or other conditions Methods include determining whether an infection is in proximity to an implanted rechargeable medical device. If an infection is determined to be present, the recharge process is allowed to sufficiently heat the device to facilitate clearing of the infection. Additi... | 06/08/2010 |
| 7720546 | Dual power supply switching circuitry for use in a closed system Optimal power switching circuitry for use in a closed system such as a TET system including an internal device separated from an external device by a boundary. The internal and external devices being powered by separate power sources. During telemetric communication... | 05/18/2010 |
| 7720547 | Extracorporeal power supply with a wireless feedback system for an implanted medical device A medical device adapted for implantation into a patient receives electrical power from an extracorporeal power supply. The medical device has a first receiver for a first wireless signal, a power circuit that extracts energy from the first wireless signal to power ... | 05/18/2010 |
| 7711434 | Wireless intravascular medical device with a double helical antenna assembly A medical device, such as a cardiac pacing device for an animal, includes an intravascular antenna that has a first coil for engaging a wall of a first blood vessel to receive a radio frequency signal. The first coil includes a first winding wound helically in a rot... | 05/04/2010 |
| 7711435 | Pre-positioned storable implantable medical device assembly allowing in package charging and method A storable implantable medical device assembly. An implantable medical device has a secondary coil operatively coupled to therapeutic componentry. A container holds the implantable medical device, the container having a first face. The implantable medical device bei... | 05/04/2010 |
| 7650192 | Passive charge of implantable medical device utilizing external power source and method External power source for an implantable medical device implanted in a patient, the implantable medical device having a secondary coil operatively coupled to therapeutic componentry and method therefore. A modulation circuit is operatively coupled to a power source.... | 01/19/2010 |
| 7634318 | Multi-element acoustic recharging system An acoustic energy delivery system for delivering acoustic energy to an implantable medical device (“IMD”). The system includes an IMD having a power source and an energy delivery device. The energy delivery device includes a controller and an array of ultrasoni... | 12/15/2009 |
| 7599743 | Low frequency transcutaneous energy transfer to implanted medical device An implantable medical device system advantageously utilizes low frequency (e.g., about 1-100 kHz) transcutaneous energy transfer (TET) for supplying power from an external control module to an implantable medical device, avoiding power dissipation through eddy curr... | 10/06/2009 |
| 7599744 | Transcutaneous energy transfer primary coil with a high aspect ferrite core Adjustable gastric band implants contain a hollow elastomeric balloon with fixed end points encircling a patient's stomach just inferior to the esophago-gastric junction. These balloons can expand and contract through the introduction of saline solution into the bal... | 10/06/2009 |
