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Class 607/7 - Controlling or indicating stimulation level


Subclass of Class 607 - Surgery: light, thermal, and electrical application
Definition: Subject matter for signalling when a preset stimulation level has been reached
No. of patents: 235
Last issue date: 04/03/2012


1            
NumberTitleIssue Date
8150510Shock timing technology
A method for accurately determining timing points for T-wave shocks is particularly useful in a system for determining a cardiac shock strength in an implantable cardioverter defibrillator (ICD. The method involves acquiring at least one first signal, acquiring at l...
04/03/2012
8150511Systems and methods for determining an optimal defibrillation shock waveform
Embodiments of the invention present methods and systems for determining an optimal defibrillation shock waveform for application to the heart of a patient to stop a rhythm abnormality such as ventricular fibrillation or ventricular tachycardia. Such methods and sys...
04/03/2012
8032213Ventricular defibrillation threshold estimation
Systems and methods are provided for estimating a patient's ventricular defibrillation threshold (VDFT). Stimulation pulses, which are of at least three different energy levels up to 2 Joules, are delivered to the patient's right ventricle during a window defined be...
10/04/2011
7869869Subcardiac threshold vagal nerve stimulation
In one embodiment, an implantable stimulation apparatus includes a vagal nerve stimulator configured to generate electrical pulses below a cardiac threshold of a heart, and an electrode coupled to the vagal nerve stimulator which is configured to transmit the electr...
01/11/2011
7865238High-voltage module for an external defibrillator
A defibrillator includes a module having a portion of the high-voltage components of the defibrillator attached to a substrate and encased in a dielectric material. In one embodiment the defibrillating shock is delivered by a high voltage H-bridge circuit which util...
01/04/2011
7747320Responding a partial lead failure in an implantable cardioverter defibrillator
An implanted cardioverter defibrillator (ICD) delivers an electrical therapy signal to the heart of a patient. When ventricular fibrillation or another condition of the heart requiring high voltage therapy is sensed, the therapy signal is delivered to the heart. Whe...
06/29/2010
7668593System and method to accelerate individualized gain adjustment in implantable medical device systems
A system and method for increasing the speed of individualizing amplifier gain optimization in implantable medical devices. A variable amplifier gain is initially set at a relatively high level such that the amplifier experiences at least intervals of saturation. A ...
02/23/2010
7660629Device and method for preventing the acceleration of cardiac arrhythmias
An exemplary method includes detecting ventricular fibrillation, delivering a low voltage cardiac stimulus, determining whether the low voltage cardiac stimulus terminated the ventricular fibrillation, and delivering a higher voltage cardiac stimulus if the low volt...
02/09/2010
7551960External presentation of electrical stimulation parameters
An external indicator device presents parameters associated with stimulation therapy generated by a pulse generator, which may be associated with an external or implantable stimulation device. In this manner, the external indicator device enables a user to visualize...
06/23/2009
7546159Subcutaneous cardiac stimulation device, system, and method providing accelerated arrhythmia detection verification and transient rate compensation
A subcutaneous cardiac stimulation system verifies accelerated arrhythmia detection before delivering accelerated arrhythmia therapy to the heart. The stimulation system includes a verification circuit that verifies detection of the accelerated arrhythmia with each ...
06/09/2009
7408762Method and apparatus for providing capacitor feedthrough
A capacitor feedthrough assembly with a cavity including a capacitor stack, including one or more substantially flat anode layers and one or more substantially flat cathode layers in a case with a cover, the case having a first opening sized for passage of the capac...
08/05/2008
7369893Method and apparatus for identifying lead-related conditions using prediction and detection criteria
A method for delivering therapy in a medical device that includes a two-tiered approach of determining the presence of a lead-related condition, and determining, in response to a lead-related condition being present, the presence of oversensing. Deliver of therapy b...
05/06/2008
7369889Apparatus for analyzing cardiac events
An apparatus for detecting cardiac events in electrograms has a feature extraction unit that derives features of the cardiac events for discriminating among different types of cardiac events. A clustering unit groups cardiac events with similar features into respect...
05/06/2008
7366567Method for treating myocardial infarction
A method for treating patients after a myocardial infarction which includes pacing therapy is disclosed. A cardiac rhythm management device is configured to deliver pre-excitation pacing to one or more sites in proximity to an infarcted region of the ventricular myo...
04/29/2008
7355841Configurations and methods for making capacitor connections
An exemplary capacitor has a capacitor stack positioned in a case with a conductor positioned between the case and a lid. In one embodiment the conductor is positioned between the lid and an upper rim of the case and is welded to the lid and case. In one aspect, a c...
04/08/2008
7352560Method and apparatus for interconnecting electrodes with partial titanium coating
The present subject matter includes a capacitor stack having a plurality of anode layers, and a plurality of cathodic metal substrates partially coated in a titanium coating. Cathode portions lacking titanium enable weld interconnections which are substantially free...
04/01/2008
7349735Methods and apparatus for treating fibrillation and creating defibrillation waveforms
Methods and apparatus for treating fibrillation utilize biphasic waveforms. A cardiac stimulator includes a defibrillation circuit that uses a pulse width modulated capacitive discharge to generate various biphasic waveforms, one or more of which may be delivered to...
03/25/2008
7347880Flat capacitor having staked foils and edge-connected connection members
A method of joining a connection member to a capacitor foil using a staking tool having a tip of less than 0.030″ (0.762 mm) in diameter. Another embodiment couples multiple connection members of a capacitor together by edge-connecting each connection member to it...
03/25/2008
7336994Control of atrial defibrillation therapy based on hemodynamic sensor feedback
Control of defibrillation therapy delivered by implantable medical devices (IMDs) using hemodynamic sensor feedback is disclosed. The hemodynamic sensor feedback allows for increased control over application of atrial defibrillation therapy. Specifically, the therap...
02/26/2008
7333855Method and apparatus for determining oversensing in a medical device
A method and apparatus for determining oversensing in a medical device that includes sensing cardiac signals and detecting cardiac events via a first electrode configuration, determining the presence of an episode event in response to the detected cardiac events, an...
02/19/2008
7328065Electric stimulator and defibrillator
A plurality of electrodes are adapted to be attached on a living body. An electric pulse is output through the electrodes as an electric stimulation to the living body. An analyzer is operable to detect a waveform of the electric pulse and to analyze a parameter of ...
02/05/2008
7319898Self-adapting defibrillator induction feature
A system that includes a programming device and a defibrillator provides a self-adapting defibrillator induction feature to test the effectiveness of the defibrillator in detecting and terminating fibrillation of a heart, such as ventricular fibrillation. A fibrilla...
01/15/2008
7319333Power control unit
A tracked vehicle has a power control apparatus for controlling charging and discharging of a plurality of storage devices. A voltage measuring device measures voltages of the respective storage devices, and a current measuring device measures currents flowing throu...
01/15/2008
7317943Capture threshold monitoring
In general, the invention is directed to techniques for capture testing of a capture threshold in cooperation with measurement of other cardiac parameters. Physiological or non-physiological parameters may indicate a possible change in the capture threshold, and a s...
01/08/2008
7310556Implantable 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, and stores energy from the signal in a plurality of capacitors. The ca...
12/18/2007
7310553Integrated resuscitation
A resuscitation system that includes at least two defibrillation electrodes configured to be applied to the exterior of the chest of a patient for delivering a defibrillation shock, a source of one or more ECG signals from the patient, a defibrillation circuit for d...
12/18/2007
7283865Device and method for determining a cardiac condition using a complex signal formed from a detected cardiac signal
In a device and a method for determining a cardiac condition from a detected cardiac signal, an input signal is formed from the detected cardiac signal and supplied to an analysis unit. The analysis unit forms an analysis signal from the input signal, having a real ...
10/16/2007
7283871Self adjusting optimal waveforms
An exemplary method includes detecting fibrillation, measuring impedance of a defibrillation circuit that includes myocardial tissue, determining one or more defibrillation shock parameters based at least in part on the impedance, delivering a defibrillation shock u...
10/16/2007
7277752System for cardiac resuscitation
A system and method for monitoring and controlling the therapy of a cardiac rhythm abnormality victim at a remote site by proving immediate access to a medical professional at a central station. The method comprises the steps of: (1) providing a plurality of electro...
10/02/2007
7277750Method and apparatus for anti-tachycardia pacing and defibrillation
An implantable cardioverter/defibrillator (ICD) includes an Anti-Tachycardia Pacing Before Charge (ATP-BC) mode according to which one or more high-voltage capacitors for storing defibrillation energy are charged in preparation of delivering a defibrillation shock o...
10/02/2007
7266409Method and apparatus for determining oversensing in a medical device
A method and apparatus for determining oversensing in an implantable medical device that includes sensing a first cardiac signal and detecting cardiac events via a first electrode configuration, determining the presence of an episode requiring therapy in response to...
09/04/2007
7254447Resonant muscle stimulator
A method and apparatus include a therapeutic or developmental apparel that includes hardware and/or software for stimulating a muscle. Such apparel may comprise, for instance, of: a glove, a uniform, a shoe, a sock, a vest, a sleeve, a shirt, a hat, a helmet, a brac...
08/07/2007
7254446System and method for stimulus calibration for an implantable pulse generator
A system, method, and computer program product for calibrating a stimulation device such as an implantable pulse generator (IPG). An IPG, whether it is a self-contained implantable pulse generator (SCIPG) or externally-powered implantable pulse generator (EPIPG), co...
08/07/2007
7251527Method 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 device is electrically connected to the lithium battery and is powered b...
07/31/2007
7248921Method and devices for performing cardiac waveform appraisal
The present invention is directed toward a sensing architecture for use in cardiac rhythm management devices. The sensing architecture of the present invention provides a method and means for certifying detected events by the cardiac rhythm management device. Moreov...
07/24/2007
7242979External defibrillator and methods for operating the external defibrillator
Methods and apparatus are provided for minimizing the inherent time delays within external defibrillators. The methods and apparatuses utilize timing schemes for initiation and completion of charging of an energy storage device of an external defibrillator, measurin...
07/10/2007
7239146Indicator 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 battery's useful life, makes it difficult to use quiescent battery voltag...
07/03/2007
7239914Rate smoothing control
A rate smoothing function used in implantable pulse generators uses detected triggering events, which cause the rate smoothing function to be activated or deactivated, and detected parameter adjusting events, which cause parameter(s) of the rate smoothing function t...
07/03/2007
7231255System and method for reducing pain associated with cardioversion shocks generated by implantable cardiac stimulation devices
Techniques are provided for generating pre-pulse pain inhibition (PPI) pulses and subsequent main cardioversion shocks. The PPI pulses are relatively low-voltage pulses each having a chevron-shaped waveform. The main shocks are relatively high-voltage shocks each ha...
06/12/2007
7228184Viral-inhibiting method
A hand-held viral inhibitor and related methodology which transfer between space exposed electrodes an electric current signal of reversing polarity through the viral-laden tissue are disclosed. ...
06/05/2007
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