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7620452 |
Systems and methods for managing the longevity of an implantable medical device battery
One embodiment of the present invention relates to a method for managing battery longevity of an implantable medical device (“IMD”) battery. In accordance with this embodiment, the method can...
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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...
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7587241 |
Method for controlling telemetry in an implantable medical device based on power source capacity
A method for controlling an implantable medical device is disclosed. In one embodiment, a voltage of a power source within the implantable medical device is monitored. If this voltage is above a...
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7580749 |
Method for monitoring end of life for battery
A system is described. The system includes a lithium battery, a charge storage capacitor electrically connected to the lithium battery, a first device, and at least one second device. The first...
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7542801 |
System and method for monitoring power source longevity of an implantable medical device
Power source longevity monitor for an implantable medical device. An energy counter counts the amount of energy used by the implantable medical device. An energy converter converts the energy used...
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7515962 |
Method for monitoring end of life for battery
A system is described which has a battery, a device which is powered by the battery in an episodic manner, and a charge storage capacitor. The system has attached to the charge storage capacitor a...
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7469161 |
Systems and methods for monitoring and managing power consumption of an implantable medical device
In one embodiment, an external programming device is operable to determine and graphically display power consumption of an implantable medical device (“IMD”). In accordance with this particular...
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7450991 |
Systems and methods used to reserve a constant battery capacity
Techniques are disclosed which provide a substantially constant battery reserve capacity with respect to therapeutic medical devices. Accordingly, a battery control system may be operable to...
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RE40470 |
Body function measuring apparatus
Body function measuring apparatus which provides: (1) an indication of the body function being measured, and (2) a loose probe condition by determining that the difference between the rate of...
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7389144 |
Medical device failure detection and warning system
A failure detection and warning system for monitoring a medical device wherein the system includes means structured to passively or actively detect faults occurring in the medical device being...
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7386345 |
Apparatus and method for temporary treatment of acute heart failure decompensation
A system for providing temporary therapy, such as cardiac resynchronization therapy, to a patient suffering a decompensation event. The system can include a device having an external module for...
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7324849 |
Methods and devices for inhibiting battery voltage delays in an implantable cardiac device
A battery of a cardiac stimulation device may experience voltage delay problems caused by a passivation layer that forms on the anode of the battery. To inhibit voltage delay, the battery is...
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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...
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7245965 |
Implantable cardiac device providing mode switching and automatic atrial sensitivity control and method
An implantable cardiac stimulation device, mode switchable between atrial tracking and atrial non-tracking pacing modes includes a threshold control for controlling atrial sensing threshold. The...
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7239146 |
Indicator of remaining energy in storage cell of implantable medical device
A manganese dioxide (MnO2) or silver vanadium oxide (SVO) or other battery of an implantable medical device having a relatively flat quiescent battery voltage during a beginning portion of the...
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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...
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7215999 |
Battery charge indicator for implantable pacemakers and defibrillators
Current usage from a battery in an implantable cardiac device is tracked. The apparatus includes a battery current sensor having multiple current ranges. The current sensor produces a first signal...
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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...
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7194308 |
System and method for monitoring or reporting battery status of implantable medical device
A system and method monitors or reports the battery status of an implantable medical device to a user. The battery terminal voltage and charge delivered are measured. Before the battery terminal...
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7191005 |
System and method for measuring battery current
Systems, devices and methods are provided for measuring battery current. According to one aspect, a medical device is provided that comprises a battery, a pulse generator, and a current measuring...
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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...
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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...
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7142923 |
Implantable neurostimulator programming with battery longevity indication
A programming device used to program an implantable neurostimulator (INS) presents battery longevity information to a user to assist the user in selecting a program for the INS. The programming...
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7136701 |
Hybrid battery power source for implantable medical use
A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of...
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7123964 |
Replacement indicator timer for implantable medical devices
A system and method is provided for reliably indicating that an implantable medical device is in need of replacement. The system and method measures the operational characteristics of the battery...
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7120500 |
Battery monitor and power demand adjuster
A system for monitoring and controlling power demands in devices with DC power supplies. In response to a detected decline in voltage levels, the device reduces power demands of the device, in one...
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7092830 |
Method for estimating long term end-of-life characteristics using short-term data for lithium/silver vanadium oxide cells
The present invention is directed to a method for analyzing the tail-end behavior of a lithium cell having a solid cathode. The tail of a longer-term accelerated discharge data (ADD) test is...
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7058451 |
Method and apparatus for determining depleted capacity of a battery
In a method and apparatus for determining the depleted capacity of a CF x type battery used in an implantable medical device, average values of battery voltage and battery current drawn from the...
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6940255 |
Battery charge indicator such as for an implantable medical device
This document discusses, among other things, a system providing a battery charge indicator for an implantable medical device, such as using a lithium/carbon monofluoride (CFx) or other battery....
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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...
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6915164 |
Automatic capture using independent channels in bi-chamber stimulation
A cardiac stimulation device and method deliver independent stimulation pulses to right and left cardiac chambers, based on the capture thresholds of each chamber, and confirm capture in each...
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6871093 |
Reporting the status for an external defibrillator with an audible report in response to a specified user input
A defibrillator system including a defibrillator and at least one indicator including at least one visual indicator and/or at least one audible indicator connected to the defibrillator for...
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6820019 |
Device and method for determining and communicating the remaining life of a battery in an implantable neurological tissue stimulating device
The invention is a device and method for determining the current status and remaining life of a power source in an implantable neurological tissue stimulator. The invention contemplates a method,...
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6804557 |
Battery monitoring system for an implantable medical device
An implantable cardiac device, such as a pacemaker, provided with a carbon monofluoride (CF x ) battery. The CF x battery enables replacement of the typical voltage tripler with a voltage doubler...
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6748273 |
Method and circuit for determining the battery status in a medical implant
In a method and an apparatus for detecting the status of a battery in an implantable heart stimulator, the battery impedances measured and an increased value of the measured impedance is detected,...
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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...
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6671552 |
System and method for determining remaining battery life for an implantable medical device
A system and method for determining a remaining life estimate of the remaining battery life of a battery of an implantable medical device (IMD). The IMD battery preferably exhibits a highly...
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6648823 |
Method and system of follow-up support for a medical device
A method and structure for notifying clinicians with patients with implantable medical devices (IMDs), about recalls and upgrades, therapy improvements, longevity estimates/improvements, and...
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6553260 |
Medical implant
A medical implant such as a heart stimulator has a detector which detects an extracorporeally generated interrogation signal for at least one predetermined working parameter of the medical implant....
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6490484 |
Apparatus and method for estimating battery condition in implantable cardioverter/defibrillators
An apparatus and method for determining the condition of a battery in an implantable cardioverter/defibrillator. A battery's operating status is determined from measurements of its open circuit...
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6453198 |
Power management for an implantable medical device
A power management system and technique to manage and allocate the energy provided to various components of an implanted device during periods of low energy. The power management system includes an...
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6400988 |
Implantable cardiac device having precision RRT indication
An implantable cardiac device including a depletable power source, having an initial energy capacity, and method provide precise recommended replacement time and end of life indications for the...
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6377850 |
Fuel gauge for an alkali metal electrochemical cell
A “fuel gauge” for a pulse dischargeable alkali metal/solid cathode cell is described. The rate of voltage recovery is used to determine the state of charge of the cell. Voltage recovery...
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6366809 |
Defibrillator battery with memory and status indication guage
A defibrillator battery includes at least one battery cell, a housing surrounding the at least one battery cell, and a memory connected to the at least one battery cell. The memory can be...
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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...
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6223077 |
Automatic power switching in a defibrillator
A method and apparatus for providing automatic power switching in a portable external defibrillator is disclosed. The power supply switching circuit includes a plurality of power supply ports for...
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6185461 |
System and method for verification of recommended replacement time indication in an implantable cardiac stimulation device
An implantable stimulation device is interrogated by an external programmer, operated by a medical practitioner, to determine whether a recommended replacement time indicator in the device is set...
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6154675 |
Resetting ERI/POR/PIR/indicators in implantable medical devices
An automatic, body-implantable medical device having at least two modes of operation is disclosed. The device is provided with circuitry for automatically detecting when the device has been...
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6148235 |
Implantable stimulator with battery status measurement
There is provided an implantable device system such as a battery-powered pacemaker system, with an improved capability of measuring battery internal impedance, thereby providing the means to...
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6108579 |
Battery monitoring apparatus and method for programmers of cardiac stimulating devices
A system and method for predicting and displaying a realistic time remaining to a recommended replacement time (RRT) of a battery of a implantable cardiac stimulating device or similar battery...
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