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| Number | Title | Issue Date |
| 7899532 | Method and apparatus for minimizing post-infarct ventricular remodeling A cardiac rhythm management device for in which pre-excitation pacing is applied to one or more sites in proximity to an infarcted region of the ventricular myocardium. Such pacing servers to either prevent or minimize post-infarct remodeling. ... | 03/01/2011 |
| 7805193 | Combined remodeling control therapy and anti-remodeling therapy by implantable cardiac device A method and device for delivering ventricular resynchronization pacing therapy in conjunction with electrical stimulation of nerves which alter the activity of the autonomic nervous system is disclosed. Such therapies may be delivered by an implantable device and a... | 09/28/2010 |
| 7778707 | Method and device for myocardial stress redistribution Methods and devices are described for delivering electrical stimulation to the heart in a manner that advantageously redistributes myocardial stress during systole for therapeutic purposes in the treatment of, for example, post-MI and HF patients. Pre-excitation pac... | 08/17/2010 |
| 7650184 | Cylindrical multi-contact electrode lead for neural stimulation and method of making same An implantable lead includes a tubular polymer body having a plurality of wire conductors embedded or carried within the inner tube body. A ring contact, e.g., a platinum ring contact, is electrically and mechanically connected to at least one of the plurality of wi... | 01/19/2010 |
| 7623916 | Implantable cardiac stimulus devices and methods with input recharge circuitry An illustrative embodiment includes an implantable cardiac stimulus device comprising input circuitry configured to reduce the time required to return to small signal operation after a disturbance of small signal operation. In another illustrative embodiment, the pr... | 11/24/2009 |
| 7577480 | System for waveform stimulation compensating electrode polarization Upon delivery of a pacing pulse to a heart by an electrode of an implantable medical device (IMD), a deleterious pace polarization artifact is generally created at the electrode-tissue interface and subsequently stored by the electrode. Such polarization artifact is... | 08/18/2009 |
| 7499749 | Method and apparatus for minimizing post-infarct ventricular remodeling A cardiac rhythm management device for in which pre-excitation pacing is applied to one or more sites in proximity to an infarcted region of the ventricular myocardium. Such pacing servers to either prevent or minimize post-infarct remodeling. ... | 03/03/2009 |
| 7403819 | Parasympathetic nerve stimulation for control of AV conduction Exemplary methods for affecting conduction and/or operation of the AV node and/or AV bundle. Various exemplary methods include delivery of one or more stimulation pulses to affect conduction and/or operation of an AV node and/or AV bundle. Such delivery optionally s... | 07/22/2008 |
| 7371220 | System and method for real-time apnea/hypopnea detection using an implantable medical system Techniques are provided for detecting the onset of an episode of apnea/hypopnea substantially in real-time. A moving threshold is generated based on recent respiration cycles and differences are accumulated between amplitudes of new respiration cycles and the moving... | 05/13/2008 |
| 7365593 | Output equalized charge pump A charge pump circuit has a charge pump section and a replica charge pump section. The replica charge pump section produces a replica voltage at which the UP current will match the DOWN current. A comparator compares the replica voltage to the output voltage, and ad... | 04/29/2008 |
| 7366567 | Method 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 |
| 7361964 | Surface acoustic wave device with electro-static discharge protection Sacrificial electrodes with fractal-shaped are formed on a SAW (surface acoustic wave) device. The sacrificial electrodes discharge electro-static charge in the SAW device for protecting the IDT (inter-digital transducer) from electrostatic break. Moreover, the sacr... | 04/22/2008 |
| 7363081 | System and method for providing preventive overdrive pacing and antitachycardia pacing using an implantable cardiac stimulation device Techniques for enabling both preventive overdrive pacing and antitachycardia pacing (ATP) within an implantable device are provided. The device gains the benefits of overdrive pacing for preventing the onset of a tachycardia and, if one nevertheless occurs, ATP is e... | 04/22/2008 |
| 7357775 | System and method for providing demand-based Cheyne-Stokes Respiration therapy using an implantable medical device Techniques are provided for controlling therapy delivered in response to Cheyne-Stokes Respiration (CSR) or other forms of periodic breathing in an effort to reduce the likelihood of unnecessary therapy directed toward preventing sleep interruption. Following each b... | 04/15/2008 |
| 7343199 | Measurement of respiratory sinus arrhythmia using respiratory and electrogram sensors in an implantable device An apparatus for measuring a patient's heart rate response to respiration, for monitoring the patient's autonomic tone, includes an implantable system. The implantable system includes a sensor for generating sensed signals representing detected beat-to-beat heart ra... | 03/11/2008 |
| 7325153 | Obtaining configuration data for a data processing apparatus A method to obtain configuration data for a data processing apparatus by calculating (110) a time interval between the commencement of a mode (104) and a subsequent event (108). The calculated time interval is then compared (112) with one... | 01/29/2008 |
| 7319900 | Cardiac response classification using multiple classification windows Methods and devices for classifying a cardiac response to pacing involve establishing a plurality of classification windows relative to and following a pacing pulse. One or more characteristics of a cardiac signal sensed following the pacing pulse are detected withi... | 01/15/2008 |
| 7317948 | Neural stimulation system providing auto adjustment of stimulus output as a function of sensed impedance A neural stimulation system automatically corrects or adjusts the stimulus magnitude (stimulation energy) in order to maintain a comfortable and effective stimulation therapy. Because the changes in impedance associated with the electrode-tissue interface can indica... | 01/08/2008 |
| 7299093 | Method and apparatus for avoidance of phrenic nerve stimulation during cardiac pacing A cardiac rhythm management device in which an accelerometer is used to detect diaphragmatic or other skeletal muscle contraction associated with the output of a pacing pulse. Upon detection of diaphragmatic contraction, the device may be configured to automatically... | 11/20/2007 |
| 7286876 | Template-based capture verification for multi-site pacing An apparatus and method for verifying capture by first and second pacing pulses in which an evoked response waveform recorded during a pacing event is compared with template waveforms representing capture by the first, second, and both pacing pulses. The evoked resp... | 10/23/2007 |
| 7277752 | System 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 |
| 7272443 | System and method for predicting a heart condition based on impedance values using an implantable medical device Techniques are provided for predicting the onset of a heart condition within a patient based on impedance measurements. Briefly, overloads in fluid levels in the thorax and in ventricular myocardial mass within the patient are detected based on impedance signals sen... | 09/18/2007 |
| 7257444 | Apparatus and method for testing and adjusting a bipolar stimulation configuration A system and method for measuring the capture threshold of a bipolar lead in order to determine an appropriate value for the stimulus pulse energy to be used with the lead by a cardiac rhythm management device. An appropriate bipolar stimulating configuration can al... | 08/14/2007 |
| 7254446 | System 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 |
| 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 threshold control reduces the sensing threshold from a first threshold ... | 07/17/2007 |
| 7236825 | Cardiac activity sensing during pacing in implantable devices A method and device for sensing cardiac activity that includes a first plurality of electrodes forming a first electrode configuration to sense cardiac activity, a second plurality of electrodes forming a second electrode configuration to sense cardiac activity, and... | 06/26/2007 |
| 7233824 | Secure and efficacious therapy delivery for an extra-systolic stimulation pacing engine An extra-systolic stimulation (ESS) therapy addresses cardiac dysfunction including heart failure. ESS therapy employs atrial and/or ventricular extra-systoles via pacing-level stimulation to a heart. These extra-systoles must be timed correctly to achieve beneficia... | 06/19/2007 |
| 7225020 | System and method for providing preventive overdrive pacing and antitachycardia pacing using an implantable cardiac stimulation device Techniques for enabling both preventive overdrive pacing and antitachycardia pacing (ATP) within an implantable device are provided. The device gains the benefits of overdrive pacing for preventing the onset of a tachycardia and, if one nevertheless occurs, ATP is e... | 05/29/2007 |
| 7215993 | Cardiac rhythm management systems and methods for detecting or validating cardiac beats in the presence of noise This document describes systems, devices, and methods for detecting or validating cardiac beats, such as in the presence of myopotential or other noise. In one example, an amplitude peak, which is a candidate for a detected cardiac beat, is used in a weighted averag... | 05/08/2007 |
| 7212855 | System and method for providing preventive overdrive pacing and antitachycardia pacing using an implantable cardiac stimulation device Techniques for enabling both preventive overdrive pacing and antitachycardia pacing (ATP) within an implantable device are provided. The device gains the benefits of overdrive pacing for preventing the onset of a tachycardia and, if one nevertheless occurs, ATP is e... | 05/01/2007 |
| 7200504 | Measuring temperature change in an electronic biomedical implant The change in temperature of an implanted electronic device can be determined by providing power to one or more circuit elements included in the implanted electronic device, wherein the circuit elements comprise a non-crystal oscillator. A shift in the output freque... | 04/03/2007 |
| 7197360 | Methods and systems for using an inductor to increase capacitor reformation efficiency in an implantable cardiac device (ICD) Methods and systems for increasing capacitor reformation efficiency in an implantable cardiac device (ICD) are presented. In one embodiment, a method and system provide for: (1) fully charging a first capacitor, (2) transferring energy from the first capacitor to an... | 03/27/2007 |
| 7191002 | Anti-tachycardia pacing methods and devices An improved method and device for performing anti-tachycardia pacing (ATP) to convert a ventricular tachycardia (VT) to normal sinus rhythm. Pairs of pacing/sensing electrodes are placed in or on each of the left and right ventricles. Each pair of electrodes is shor... | 03/13/2007 |
| 7181280 | System and method of automatically adjusting auto capture safety margin An implantable stimulation device delivers a stimulation pulse in a chamber of a patient's heart and perform periodic threshold tests for generating a statistical model of the threshold data, to minimize the number of threshold tests required over a given time. Base... | 02/20/2007 |
| 7179229 | System and method for apnea detection using blood pressure detected via an implantable medical system Techniques are provided for detecting non-obstructive forms of apnea within a patient using an implantable medical system based on changes in blood pressure. The implantable system monitors for any substantially uniform decease in diastolic blood pressure over a ser... | 02/20/2007 |
| 7177689 | Method and apparatus for capture verification and threshold determination An apparatus and method for verifying capture by a pacing pulse in which a test depolarization waveform recorded during a pacing event is compared with a template waveform representing capture by the pacing pulse. Capture verification in this manner may be used in p... | 02/13/2007 |
| 7176754 | Control system for the characteristic parameters of an active filter A control system for the characteristic parameters of an active filter includes: a system for the determination of the technological distribution of the components that provides the information related to said technological distribution of the components; an elabora... | 02/13/2007 |
| 7162299 | ICD with VF prevention A cardiac stimulation device includes a sensing unit for monitoring the electrical activity of a heart and a controller configured to predict the onset of an arrhythmia of the heart. The controller calculates a statistical indicia relating to the immediate past four... | 01/09/2007 |
| 7158831 | Method and apparatus for cardiac pacing with variable safety margin A cardiac pacemaker in which a variable safety margin with respect to a capture threshold is employed in delivering pacing pulses. The safety margin of a pacing pulse is made to vary in accordance with the pattern of preceding intrinsic and paced beats. The pacing p... | 01/02/2007 |
| 7142917 | Heart treatment equipment and method for preventing fatal arrhythmia In order to avoid a sudden cardiac death by a fatal arrhythmia, various living body information for generating a signal which shows a level of an autonomic tone is detected by a sensor or a VT/VF risk event is detected so as to control the stimulation of the vagus n... | 11/28/2006 |
