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7610092 Leadless tissue stimulation systems and methods  
Systems including an implantable receiver-stimulator and an implantable controller-transmitter are used for leadless electrical stimulation of body tissues. Cardiac pacing and arrhythmia control is...
7606621 Implantable transducer devices  
Receiver-stimulators comprise a nearly isotropic transducer assembly, demodulator circuitry, and at least two tissue contacting electrodes. Use of near isotropic transducers allows the devices to...
7570994 Apparatus and method for maintaining a defibrillator battery charge and optionally communicating  
Defibrillator assemblies and methods to wirelessly transfer energy from an external source to a battery or other rechargeable power source within the defibrillator assembly. The transfer of energy...
7532933 Leadless cardiac stimulation systems  
Various configurations of systems that employ leadless electrodes to provide pacing therapy are provided. In one example, a system that provides multiple sites for pacing of myocardium of a heart...
7519421 Vagal nerve stimulation using vascular implanted devices for treatment of atrial fibrillation  
An abnormally rapid ventricular cardiac rate that results from atrial fibrillation can be reduced by stimulating a vagal nerve of the heart. An apparatus for such stimulation includes a power...
7471986 System and method for transmitting energy to and establishing a communications network with one or more implanted devices  
Systems and methods for automatically powering and communicating with an implantable medical device through an inductive link are disclosed. A preferred embodiment comprises an inductive coil or...
7437644 Automatic self-testing of an internal device in a closed system  
A closed system such as a TET system in which self-testing of all components of the implantable medical device whose malfunction could negatively impact on the proper operation of the closed system...
7428438 Systems and methods for providing power to a battery in an implantable stimulator  
An exemplary system for providing power to a rechargeable battery in an implantable stimulator includes a first coil configured to emit a first magnetic field, a coil in the stimulator configured...
7386347 Electric stimilator for alpha-wave derivation  
An electric stimulator for alpha-wave derivation is characterized in that frequency selected from a range of 1 Hz to 50 Hz, preferably, 7 Hz to 14 Hz, and an output voltage are applied to auricle...
7379775 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...
7349741 Cochlear implant sound processor with permanently integrated replenishable power source  
A cochlear implant sound processor is powered by a rechargeable battery that is permanently integrated into the sound processor. The sound processor contains an inductive coil that may be tuned to...
7337002 Implantable medical device with detachable battery compartment  
An implantable medical electronic tissue stimulating device is formed of two hermetically sealed, fluid impervious housings, one containing an electronic pulse generator and the other a battery...
7310556 Implantable medical stimulation apparatus with intra-conductor capacitive energy storage  
An implantable device electrically stimulates an organ of an animal in response to a trigger event. Between trigger event that device receives a wireless signal, such as a radio frequency signal,...
7308316 Storable implantable medical device assembly allowing in package charging  
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,...
7283874 Acoustically powered implantable stimulating device  
An implantable stimulation system comprises an implantable stimulator and a control device. The control device is configured to transmit acoustic waves to the implantable stimulator, and the...
7272445 Medical device programmer with faceplate  
In general, the invention is directed to a patient programmer for an implantable medical device. The patient programmer may include one or more of a variety of features that may enhance...
7254449 Systems and methods for providing power to one or more implantable devices  
Systems and methods for providing a power signal to one or more implantable devices include a number of dynamic range amplifiers each having a multiplicity of output drivers. Each of the output...
7248926 Status indicator for implantable systems  
A status indicator is provided for use with a medical device that employs a power transmitting coil. In one embodiment, the status indicator comprises a receiving coil and feedback element. The...
7225032 External power source, charger and system for an implantable medical device having thermal characteristics and method therefore  
External power source, charger, system and method for transcutaneous energy transfer. An implantable medical device has a first housing having operational componentry for providing the therapeutic...
7212110 Implantable device and system and method for wireless communication  
A wireless communication method and protocol, and wireless devices and systems for stimulation, are provided for communication between a wireless device and a charging device. During active...
7191007 Spatially decoupled twin secondary coils for optimizing transcutaneous energy transfer (TET) power transfer characteristics  
An implantable device, such as an infuser device for bidirectional hydraulically controlling a medical artificial sphincter, enhances power transfer characteristics to a secondary coil thereby...
7177691 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 lithiumion battery having an anode electrode...
7177690 Implantable system having rechargeable battery indicator  
A system and method for detecting the status of a rechargeable battery included within an implantable medical device. The medical device can incorporate a status indicator which signals the user...
7107103 Full-body charger for battery-powered patient implantable device  
A full-body charger for charging one or more battery-powered devices wherein such devices are configured for implanting beneath a patient's skin for the purpose of tissue, e.g., nerve or muscle,...
7079901 Low-power, high-modulation-index amplifier for use in battery-powered device  
An external transmitter circuit drives an implantable neural stimulator having an implanted coil from a primary coil driven by a power amplifier. For efficient power consumption, the transmitter...
7076304 Transcutaneous power supply  
An in-body power supply for supplying energy to an in-body device. The in-body power supply is configured to transfer energy to the in-body device and to compensate for variations and to receive...
7062331 Methods and apparatus for providing a sufficiently stable power to a load in an energy transfer system  
Methods and apparatus for providing a sufficiently stable power to a load in an energy transfer system that transfers energy from one side of a physical boundary to another side of he boundary. In...
7003350 Intravenous cardiac pacing system with wireless power supply  
A cardiac pacemaker includes a power transmitter which periodically transmits a pulse of a radio frequency signal to a vascular electrode-stent that is implanted in a vein or artery of an animal....
6961619 Subcutaneously implantable power supply  
A subcutaneously implantable power supply is a device for powering implantable medical devices. The device has one or more thin photovoltaic cells contained in a case formed of a lamination of a...
6907285 Implantable defibrillartor with wireless vascular stent electrodes  
A cardiac defibrillator includes a fibrillation detector, which determines when a medical patient requires defibrillation at which time a transmitter produces a radio frequency signal. A first...
6850803 Implantable medical device with a recharging coil magnetic shield  
A rechargeable implantable medical device with a magnetic shield placed on the distal side of a secondary recharging coil to improve recharging efficiency is disclosed. The rechargeable implantable...
6654638 Ultrasonically activated electrodes  
An implantable electrode, where the electrode comprises a first piezoelectric element which converts mechanical energy into electrical energy, and a cathode and an anode, where electrical energy...
6556867 Apparatus and method to power a medical device using stored mechanical power  
A cardiac defibrillator for discharging an electrical charge into a patient includes a device for storing mechanical energy, a generator, a capacitor, a charging circuit, a patient interface, an...
6542777 Spiral shield for a flexible high-Q implantable inductively coupled device  
A spiral shield for an implantable secondary coil confines the electrical field of the coil, and thus prevents capacitive coupling of the coil through surrounding dielectrics (such as human...
6496733 Transcutaneous energy transfer device with magnetic field protected components in secondary coil  
The invention provides a transcutaneous energy transfer device having an external primary coil and an implanted secondary coil inductively coupled to the primary coil, electronic components...
6470216 Method for smoothing contour irregularities of skin surface  
A method to modify a skin surface or a soft tissue structure underlying the skin surface includes a template with a mechanical force application surface and a receiving opening to receive a body...
6456883 Apparatus and method for allowing immediate retrieval for information and identification from an implantable medical device having a depleted power source  
An apparatus and method that will allow for external communication, via an external programmer, for positive device identification and for retrieval of device or patient information stored by an...
6445953 Wireless cardiac pacing system with vascular electrode-stents  
A cardiac pacing apparatus has a source of pacing pulses that are transmitted through the animal by a radio frequency signal. An electrode-stent is implanted in a blood vessel adjacent to the point...
6400991 Electromagnetic field source method with detection of position of secondary coil in relation to multiple primary coils  
An electromagnetic field source (EFS) for providing electromagnetic energy to a secondary coil, including two or more primary coils that each carry a time-varying current to produce an...
6266567 Implantable epicardial electrode  
An implantable epicardial lead (13) is provided which is comprised of two spherical ICs (25) and (26) disposed at opposite ends of a supporting structure and separated by a predetermined distance....
6141588 Cardiac simulation system having multiple stimulators for anti-arrhythmia therapy  
A medical system comprising a control device (referred to as a "planet") and a plurality of sensing and stimulating devices (referred to as "satellites") is disclosed. The satellites are relatively...
6092531 Movable magnet transmitter for inducing electrical current in an implanted coil  
An external power head is energized by a motor causing movement of an element that produces a varying magnetic field, thereby inducing power in an implanted receiver coil within a patient's body....
6070103 Apparatus for making direct electrical connection with an implantable medical device  
A connector apparatus system and method for providing a direct electrical connection to an implanted medical device for recharging batteries, reprogramming memory, or accessing data. The apparatus...
6067474 Implantable device with improved battery recharging and powering configuration  
An implantable system, such as a neural stimulator or a cochlear implant system, includes a rechargeable battery configuration having improved recharging and lifetime characteristics. The battery...
5991665 Self-cooling transcutaneous energy transfer system for battery powered implantable device  
A self-cooling transcutaneous energy transfer system is provided for transmitting power to an implantable medical device, such as a defibrillator. The system includes a housing that is supported...
5876425 Power control loop for implantable tissue stimulator  
A power control loop is established between an external control device and an implantable device so that only the amount of power needed by the implant device to sustain its present operating...
5814089 Leadless multisite implantable stimulus and diagnostic system  
There is provided an implantable system and method for delivering stimulus pulses and/or collecting data from a plurality of sites within a patient's body, having a main controller device with a...
5749909 Transcutaneous energy coupling using piezoelectric device  
An energy transmission system for transmitting energy non-invasively from an external unit to an implanted medical device to recharge a battery in the medical device. An alternating magnetic field...
5735887 Closed-loop, RF-coupled implanted medical device  
The implantable, electrically operated medical device system comprises an implantable radio frequency (RF) receiver and an external RF transmitter. The receiver has a receiving antenna and...
5733313 RF coupled, implantable medical device with rechargeable back-up power source  
The implantable, electrically operated medical device system comprises an implanted radio frequency (RF) receiving unit (receiver) incorporating a back-up rechargeable power supply and an...
Matches 1 - 50 out of 89 1 2 >