Matches 1 - 46 out of 46
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7616995 Variable recharge determination for an implantable medical device and method therefore  
Implantable medical device adapted to provide a therapeutic output to a patient. A therapy module, operatively coupled to a battery, is adapted to provide the therapeutic output. A control circuit...
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...
7437193 Microstimulator employing improved recharging reporting and telemetry techniques  
An implantable microstimulator configured to be implanted beneath a patient's skin for tissue stimulation to prevent and/or treat various disorders, e.g., neurological disorders, uses a...
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...
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...
7337001 Implantable medical device and method with a dual power source incorporating electrolyte additive 2,2,2-trifluoroacetamide  
An implantable medical device includes a control circuit for controlling the operation of the device and for obtaining physiological data from a patient in which the medical device is implanted....
7295872 System for and method of power efficient electrical tissue stimulation  
Circuitry for and method of power efficient operation of, and energy recovery from, tissue-stimulating electrodes having high charge capacities. Post-stimulation energy is recovered from 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...
7239917 Vipul's lifetime lifeline permanent pacemaker and implantable cardioverter-defibrillator  
A Permanent Pacemaker and Implantable Cardioverter-Defibrillator with a rechargeable battery with recharging facility This PPM/ICD has systems which can be programmed or serviced from a distant...
7221977 Method and apparatus for measuring battery depletion in implantable medical devices  
A method and apparatus for measuring battery depletion in an implantable medical device is presented. The apparatus includes first and second switch pairs disposed in series between the battery and...
7214189 Methods and apparatus for tissue activation and monitoring  
Techniques for controlling one or more modular circuits (“satellites”) that are intended for placement in a subject's body. The one or more satellites are controlled by sending signals over a...
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...
7203547 System and method of implementing a prophylactic pacer/defibrillator  
The prophylactic pacer/defibrillator is configured to deliver shocking therapy in response to a single episode of ventricular fibrillation, as well as delivering otherwise conventional pacing...
7191008 Implantable medical device with a dual power source  
An implantable medical device includes a control circuit for controlling the operation of the device and for obtaining physiological data from a patient in which the medical device is implanted....
7151378 Implantable energy management system and method  
An implantable energy supply system having at least two cells is disclosed. The system may have a switch with a first state in which the cells are electrically connected to a load, and a second...
6975905 Stimulation circuits for a cycle to cycle stimulation threshold capture for an active implantable cardiac device  
A circuit for delivering a back-up stimulation voltage in a cycle to cycle capture test for an active implantable medical device such as a pacemaker, defibrillator and/or cardiovertor or a...
6937894 Method of recharging battery for an implantable medical device  
A method of operating an implantable medical device containing a Lithium Silver Vanadium Oxide battery. In response to a detected need for therapy, a current flow is delivered from the battery to a...
RE38777 Dual battery power system for an implantable cardioverter defibrillator with voltage booster  
An improved dual battery power system uses two separate battery power sources for an implantable cardioverter defibrillator, each having optimized characteristics for monitoring functions and for...
6898463 Current monitor for an implantable medical device  
A method and an apparatus for performing a device component failure analysis in an implantable medical device using current consumption data. A current consumption signal relating to current...
6892096 Implantable cardiac stimulating device with optimized demand  
It is important in cardiac pacing devices and systems to achieve efficient power utilization and conservation to extend the life of the battery cells, thereby extending the intervals between...
6704596 Electrically active medical implant  
An electrically active medical implant has a circuit ( 5 ), at least one first battery ( 1 ) to supply low current, and a second battery ( 2 ) to supply high current into the circuit ( 5 ), and a...
6650942 Implantable medical device with dual cell power source  
An implantable medical device having a dual cell power source powering a high-power output circuit and a low-power control circuit. The power source includes a first, high-rate cell and a second,...
6591135 Portable patient monitor with defibrillator/pacemaker interface and battery power management  
A method and apparatus are provided for distributing power within a cardiac treatment and monitoring system which includes a defibrillator releasably coupled to a patient monitoring unit. The...
6549807 Implantable cardioverter defibrillator having a rechargeable, fast-charging battery and method thereof  
An implantable cardiac device has a pulse generator configured to generate electric shocks for delivery to a patient's heart. The device has an output capacitor, and connected charging circuitry. A...
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...
6289246 High compliance output stage for a tissue stimulator  
The output stage of a tissue stimulating apparatus, for example a cochlear implant prosthesis, operating at a low supply voltage (35) incorporates a multiplier circuit (54, 62, 63, 64) for ensuring...
5814075 Method and apparatus for optimizing source allocation within an implantable cardioverter-defibrillator  
A power control system is described for use in an implantable cardioverter-defibrillator (ICD) having a low-power cell and a high-power cell. The power control system includes a fuzzy logic...
5591211 Defibrillator having redundant switchable high voltage capacitors  
An implantable cardioverter defibrillator having a plurality of high voltage capacitors in the output stage which are coupled in parallel and a switching matrix for controlling the number of...
5522856 Pacemaker with improved shelf storage capacity  
A pacemaker has logic incorporated for holding the pacemaker circuitry, or at least a portion of such circuitry, in a low current drain "standby" mode of operation from time of fabrication until...
5370666 Pacemaker with power-consuming component inhibited during storage  
A pacemaker contains at least one power-consuming component, such as a sensor with associated electronic circuitry for controlling the pacemaker function or a heart signal detector, and an...
5350412 Device for reducing power consumption in medical equipment which is implantable in the human body  
A device for reducing power consumption in medical electrical equipment, implantable in the human body, having a sensor, which includes a sensor element and sensor electronic circuitry for sensing...
5314451 Replaceable battery for implantable medical device  
An implantable electromedical device having a detachable, replaceable power supply. In one embodiment, the circuitry for an electromedical device is contained in a first hermetic enclosure, while a...
4590941 Cardiac pacer with improved battery system, output circuitry, and emergency operation  
A fully implantable programmable cardiac pacer includes two main pacing channels driven by a crystal oscillator circuit. For each channel, amplitude and pulse width are programmed in paired...
4345604 Long life cardiac pacer with switching power  
A switching power delivery means for use with a relatively low voltage power source, adapted to be used in conjunction with a converter for providing a raised voltage supply to a load, wherein the...
4237897 Battery life extender  
A battery life extender for use in an implantable tissue stimulator. The tissue stimulator comprises a battery which powers a volatile memory, control circuits and a pulse output circuit all of...
4197850 Implantable human tissue stimulator with memory protect means  
In an implantable human tissue stimulator with a volatile memory an arrangement is provided to protect against the stimulating circuitry producing pulses as a function of unknown parameters in the...
4120306 Cardiac pacer with pre-programmed power source interface means  
A cardiac pacer for providing stimulus signals for pacing a human heart, adapted to utilize a lithium-type battery source having an internal resistance which increases with the energy depletion of...
4096866 Rechargeable body tissue stimulator with back-up battery and pulse generator  
An implanted tissue stimulator apparatus includes circuitry, powered by an implanted rechargeable battery, to produce electrical stimulation and apply it to selected body tissue. The condition of...
4041955 Implantable living tissue stimulator with an improved hermetic metal container  
An implantable hermetically sealed living tissue stimulator which includes a coil in which current is induced by an external alternating magnetic field is disclosed. All the stimulator circuit...
3866615 Portable electronic cardiac stimulator  
A light weight portable electronic cardiac emergency stimulator which includes separate defibrillation and pacemaking electronic circuits and a self-contained battery pack. The defibrillation and...
3789854 DUAL MODE CARDIAC PACER POWER SOURCE  
A power source for a cardiac pacer operative in first and second states to provide respectively redundant battery power to said pacer and series connected battery power to said pacer. The...
3783877 BODY IMPLANTABLE STIMULATOR BATTERY UTILIZATION CIRCUIT  
Paralleled sets of batteries are used to supply power to an implantable electric organ stimulator stimulus signal generator. Each set has a device having the characteristics of a diode connected in...
3748500 MULTIPLE REDUNDANT POWER SUPPLY  
A multiple redundant power supply for supplying a substantially constant voltage to output terminals is disclosed in accordance with the teachings of the present invention. A first pair of voltage...
3620220 CARDIAC PACER WITH REDUNDANT POWER SUPPLY  
The cardiac pacer disclosed herein employs a redundant power supply in which a pair of batteries are connected to pulse-generating circuitry through the collector-emitter circuits of respective...
3518997 ELECTRONIC HEART STIMULATOR  
Matches 1 - 46 out of 46