|
Match
|
Document |
Document Title |
|
|
6477418 |
Implantable heart stimulation system with automatic mode switching controlled by sympatho-vagal balance
An implantable dual-chamber pacemaker system has a means for automatic beat-to-beat adjustment of the maximum allowable variation (MAV) of the sensed atrial rate (AR) as a function of the...
|
|
|
6473644 |
Method to enhance cardiac capillary growth in heart failure patients
A method is disclosed for treating patients suffering from heart failure to increase cardiac output. The patient's vagus nerve is electrically stimulated or modulated with a sequence of...
|
|
|
6473645 |
System and method for programmably controlling electrode activation sequence in a multi-site cardiac stimulation device
An implant able multi-chamber cardiac stimulation device includes flexibly programmable electrode sensing configurations, and is capable of precisely controlling the stimulation sequence between...
|
|
|
6466820 |
Multi-site cardiac pacing system having trigger pace window
Multi-site cardiac pacing systems for providing pacing to multiple spaced apart sites of a patient's heart, including especially but not limited to sites in right heart chamber (RHC) and left heart...
|
|
|
6463324 |
Cardiac output enhanced pacemaker
This invention is an apparatus for heart packing with cardiac output modification, including one or more electrodes ( 27, 29 ) which apply electrical signals to muscle. Signal generation circuitry...
|
|
|
6461351 |
Energy delivery system and method for performing myocardial revascularization
An energy delivery system for performing myocardial revascularization on a heart of a patient including an energy pulse source that produces energy pulses sufficient to create channels in a wall of...
|
|
|
6459934 |
Estimate of efficiency using acceleration-heart rate ratio
A method for estimating the efficiency of a patient's body, and specifically for estimating the efficiency of a patient's body while undergoing different cardiac therapies. Acceleration and heart...
|
|
|
6459928 |
Apparatus and method for collecting data useful for determining the parameters of an alert window for timing delivery or ETC signals to a heart under varying cardiac conditions
Apparatus and method for obtaining from a patient's heart data useful for on-line setting of the parameters of a detection time window in an excitable tissue control device. The method includes...
|
|
|
6456882 |
Implantable cardiac stimulation device having automatic capture/threshold capability using a dynamically adjustable safety margin
An improved system and method for performing automatic capture/threshold detection in an implantable cardiac stimulation device or any device capable of stimulating some organ or tissue in the...
|
|
|
6456878 |
Cardiac pacing system delivering multi-site pacing in a predetermined sequence triggered by a sense event
A system for pacing in a right and its corresponding left heart chamber provides a predetermined or programmable triggered delay in a predetermined or programmable, right-to-left or left-to right...
|
|
|
6453196 |
High frequency oscillator for implantable medical devices
A timing circuit especially designed for use in implantable medical devices provides both a low frequency clock and a high frequency clock. The low frequency clock and high frequency clock are...
|
|
|
6442428 |
Implantable cardiac stimulation device having a programmable reconfigurable sequencer
A pacemaker or implantable cardioverter defibrillator is provided with a microcontroller having a general purpose microprocessor for performing high-level device functions and a sequencer for...
|
|
|
6442427 |
Method and system for stimulating a mammalian heart
A method for instantaneously stimulating a mammalian heart is provided. The mammalian heart includes a first atrium and a second atrium. A commencement signal is received. At least one additional...
|
|
|
6437073 |
Non-elastomeric polyurethane compositions
A non-elastomeric polyurethane composition which includes a first chain extender of the general formula (I) wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are the same or different and selected...
|
|
|
6434426 |
Method and system for determining a noise floor in a cardiac pacing system
A method for determining a representative noise floor in a cardiac pacing system from which future events are measured is provided. An event amplitude is determined. Pluralities of noise levels are...
|
|
|
6434424 |
Regularization of ventricular rate during atrial tachyarrhythmia
A pacing system provided with a mode switching feature and ventricular rate regularization (VRR) function adapted to stabilize or regularize ventricular heart rate during chronic or paroxysmal...
|
|
|
6424866 |
Apparatus and method for timing the delivery of non-excitatory ETC signals to a heart
A method and devices for timing the delivery of non-excitatory signals for modifying myocardial contractility of a portion of the heart are disclosed. The method includes the steps of applying...
|
|
|
6421555 |
Method and apparatus for discriminating between electromagnetic interference signals and electromedical scanning signals, particularly of cardiological implants
A method for discriminating between externally-radiated, electromagnetic interference signals and electromedical scanning signals comprises the following steps: the preamplification of the scanning...
|
|
|
6421564 |
Bi-chamber cardiac pacing system employing unipolar left heart chamber lead in combination with bipolar right chamber lead
In a bi-ventricular pacing system, an implantable pulse generator optionally having an IPG indifferent electrode is coupled to a small diameter, unipolar, left ventricular (LV) lead and a bipolar...
|
|
|
6415183 |
Method and apparatus for diaphragmatic pacing
A diaphragmatic pacing system and method. The method includes monitoring a signal representing a patient's respiratory activity, and delivering an electric stimulus from a lead to the phrenic nerve...
|
|
|
6411848 |
System providing ventricular pacing and biventricular coordination
A cardiac rhythm management system includes techniques for computing an indicated pacing interval, AV delay, or other timing interval. In one embodiment, a variable indicated pacing interval is...
|
|
|
6411847 |
Apparatus for applying cyclic pacing at an average rate just above the intrinsic heart rate
Apparatus for cyclic ventricular pacing starting at a rate just above the intrinsic atrial firing rate (overdrive pacing), followed by relaxation to a rate just below the intrinsic atrial firing...
|
|
|
6406421 |
System and method of determining skeletal muscle contraction by serial lead impedance measurements
There is provided a system and method for continually monitoring the occurrence of contraction during stimulation of skeletal muscle which is employed in a cardiac assist-type system. During...
|
|
|
6397105 |
Active implantable medical device having a sophisticated automatic DDD/AAI mode switching
An active implantable medical device having an automatic DDD/AAI mode switching. This device includes sensing spontaneous atrial and ventricular events, detecting an atrio-ventricular block and...
|
|
|
6381493 |
Ischemia detection during non-standard cardiac excitation patterns
In using electrogram signals to determine physiologic conditions like ischemia, the bad cardiac cycle information due to noise, axis shifts in the cardiac electrical axis, and the like must be...
|
|
|
6381494 |
Response to ambient noise in implantable pulse generator
A method and system for response to ambient noise in implantable pulse generator. At least one cardiac signal is sensed with an implantable pulse generator. Cardiac depolarizations are identified...
|
|
|
6377852 |
Implanatable cardiac stimulation device and method for prolonging atrial refractoriness
An implantable cardiac stimulation device, e.g., a pacemaker or an implantable cardioverter defibrillator (ICD), is provided which prolongs the atrial refractoriness of a heart. The implantable...
|
|
|
6377851 |
Implantable cardiac stimulation device and method for optimizing sensing performance during rate adaptive bradycardia pacing
An implantable cardiac stimulation device including a ventricular defibrillator and a rate adaptive cardiac pacer automatically adjusts post-pacing sensing parameters dependent upon pacing rate....
|
|
|
6370430 |
Apparatus and method for controlling the delivery of non-excitatory cardiac contractility modulating signals to a heart
A method and device for controlling the delivery of cardiac contractility modulating signals to the heart are disclosed. The method includes applying electrodes to a heart, sensing electrical...
|
|
|
6370427 |
Method and apparatus for dual chamber bi-ventricular pacing and defibrillation
Device and method are disclosed in which leads with pacing and defibrillating electrodes are implanted into both the right and left ventricles of a patient's heart to enable simultaneous pacing of...
|
|
|
6366810 |
Deterministic and jitter-free dual-chamber cardiac pacemaker
A deterministic and jitter-free dual chamber brady pacemaker utilizes both a programmed microprocessor and a hardware state machine, both of which are coupled to a real time clock (RTC), random...
|
|
|
6363277 |
Cardiac rhythm management system with differential sensing channel
A differential discrete-time signal processing channel differentially processes cardiac signals in an implantable cardiac rhythm management device. Such signal processing effectively uses...
|
|
|
6360126 |
Apparatus and method for controlling the delivery of contractility modulating non-excitatory signals to the heart
Apparatus for automatically controlling the delivery of excitable tissue control signals to a heart. The apparatus includes an excitable tissue control unit for delivering excitable tissue control...
|
|
|
6353759 |
Cardiac rhythm management system promoting a trial pacing
A cardiac rhythm management system includes an atrial pacing preference (APP) filter for promoting atrial pacing. The APP filter includes an infinite impulse response (IIR) or other filter that...
|
|
|
6345201 |
System and method for ventricular capture using far-field evoked response
An implantable pacemaker delivers a stimulation pulse in the ventricular chamber of patient's heart and automatically verifies ventricular capture. A control system of the pacemaker sets a...
|
|
|
6343231 |
Active implantable medical device, especially a pacemaker, defibrillator and/or cardiovertor of the DDD/AAI type with effort optimized operation
An improved active implantable medical device which detects spontaneous atrial and ventricular events, the presence or the absence of an atrio-ventricular spontaneous conduction, and stimulates the...
|
|
|
6341233 |
Device for maintaining a natural heart rhythm
Device for maintaining or restoring a natural heart rhythm through the generation of an electrical stimulation signal, in particular in the form of an implantable heart pacemaker, which device...
|
|
|
6341234 |
Tripolar stimulation of heart chambers
Tripolar stimulation of the heart utilizes electrodes implanted in at least two locations in the heart. In a first case, for bi-atrial or bi-ventricular stimulation, electrodes are placed in an...
|
|
|
6341235 |
Augmentation of electrical conduction and contractility by biphasic cardiac pacing administered via the cardiac blood pool
Augmentation of electrical conduction and contractility by biphasic cardiac pacing. A first stimulation phase is administered to the cardiac blood pool. This first stimulation phase has a...
|
|
|
6337996 |
Active implantable medical devices with refractory period management
An active implantable medical device with a sophisticated management of the refractory periods. Such devices typically include a detection circuit and a stimulation circuit and a circuit which...
|
|
|
RE37480 |
Cardiac pacer which compensates for effects of abrupt changes in heart rate
Clinical studies of heart patients have demonstrated that ventricular tachyarrhythmia often is preceded by a foreshortened cardiac cycle length followed by a relatively long compensatory pause,...
|
|
|
6330476 |
Electrical muscle controller using a non-excitatory electric field
A method of modifying the force of contraction of at least a portion of a heart chamber, including providing a subject having a heart, comprising at least a portion having an activation, and...
|
|
|
6328733 |
Hand-held laser scanner
A surgical laser scanner having optics that scans a pulsed laser beam onto a target tissue is disclosed. The laser scanner has a lens and a scanning mirror or mirrors located upstream of the lens...
|
|
|
RE37454 |
Cardiac pacemaker with hystersis behavior
A pacemaker having a hysteresis feature which permits intrinsic heart activity, controlled by the sinus node to resume optimally after pacing. The pacemaker has a programmable lower rate and upper...
|
|
|
6324425 |
Recharge circuitry for multi-site stimulation of body tissue
Multi-chamber cardiac pacing systems for providing multi-site pacing to at least one of the right and left atria and then synchronously to the right and left ventricles in a triggered pacing...
|
|
|
6321115 |
Noise detection system and method for use in an implantable medical device
An implantable cardiac stimulation device includes a system for detecting noise in an electrogram signal. The system for detecting noise generates an event signal when the electrogram signal...
|
|
|
6317631 |
Controlling heart performance using a non-excitatory electric field
A method of modifying the force of contraction of at least a portion of a heart chamber, including providing a subject having a heart, comprising at least a portion having an activation, and...
|
|
|
6314322 |
System and method for treating dilated cardiomyopathy using end diastolic volume (EDV) sensing
A system for controlling end diastolic volume of the heart is disclosed. The system includes an EDV sensor constructed and arranged to measure a parameter related to the end diastolic volume of the...
|
|
|
6304777 |
Induction of cardioplegia applied electrical signals
A method and apparatus for controlling activity of a heart of a living person during a medical procedure. Electrical signals are applied to the heart so as to induce a spontaneously-reversible...
|
|
|
6298268 |
Cardiac output controller
This invention is an apparatus for modifying cardiac output of the heart of a subject, including one or more sensors which sense signals responsive to cardiac activity, and a stimulation probe...
|