Matches 251 - 300 out of 442 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5855594 Self-calibration system for capture verification in pacing devices  
A cardiac pacing and sensing system includes a body implantable unit for generating tissue stimulation pulses and manipulating information based on sensed signals, and a catheter for transmitting...
5836989 Method and apparatus for controlling an implanted medical device in a time-dependent manner  
An implantable medical device and corresponding system and method are disclosed having programmable operating functions for monitoring a patient condition or delivering a therapy. The device has a...
5837900 System and method for detecting metal ion oxidation in pacing lead  
There is provided a system and method for determining the existence of metal ion oxidation degradation in an implanted pacing lead. A micro-vibration driver, preferably operating at a sonic...
5792202 System and method for rate encoding of pacing intervals for external transmission of data  
There is provided a system and method for increased data transmission from an implanted pacemaker when the pacemaker is in magnet mode. Pacemaker data including, e.g., pacemaker operating...
5792201 Safety optimization in microprocessor-controlled implantable devices  
A microprocessor-controlled implantable cardiac stimulating device having a normal mode, an intermediate mode, and a backup pacing mode is provided. The device switches from one mode to another in...
5790427 Event history data acquisition  
An event data recorder and method for recording data relating to a distinct event which pertains to operation of a mechanism. The recorder comprises a device for collecting data pertaining to such...
5782888 Method of selecting an operating mode for an implantable medical device  
This is a method and apparatus for the automated discrimination of cardiac events of interest, including P-waves, R-waves, T-waves and specific arrhythmic sequences, in EGM signals for data storage...
5776168 EGM recording system for implantable medical device  
An EGM recording system in an implantable medical device of the type comprising an implantable pulse generator (IPG) and a lead system including one or more sensing leads each having a proximal end...
5766230 Pacemaker with intra-stimulus capture detection  
A pacemaker is disclosed that includes circuitry for monitoring the current and/or voltage delivered to the heart during a pacing pulse. A microprocessor connects to the monitoring circuitry and...
5755742 Cardioversion/defibrillation lead impedance measurement system  
A lead integrity measurement system for a cardiac pacemaker/cardioverter/defibrillator (PCD) of the type comprising an implantable pulse generator (IPG) and a lead system including one or more...
5755763 Pacemaker connector with sealable access openings and methods for its use  
A pacemaker lead is disclosed of the type comprising a flexible cord formed of at least one spiralled electric conductor and surrounded by a sheath of insulating material and connected, at a...
5749907 System and method for identifying and displaying medical data which violate programmable alarm conditions  
A system and method for identifying and displaying medical data items which violate programmable alarm conditions are provided. The system of the present invention automatically alerts the medical...
5740811 Device and method for generating a synthesized ECG  
In a method and apparatus for physiological signal processing, a number of measured physiological signals are obtained in vivo from a subject and at least one of these measured physiological...
5735882 Cardiac stimulator with backup-mode self-recovery  
A cardiac stimulator with a method and apparatus for automatically switching the cardiac stimulator to its normal mode from its backup mode. A fault monitor receives fault signals and determines...
5732708 Method for storing EGM and diagnostic data in a read/write memory of an implantable cardiac therapy device  
A method for storing digitized electrogram and diagnostic data in a read/write memory of an implantable cardiac therapy device which includes the steps of configuring the memory into first and...
5722999 System and method for storing and displaying historical medical data measured by an implantable medical device  
A system and method for acquiring medical data, integrating recently acquired medical data with previously acquired medical data, storing the integrated medical data, and displaying the integrated...
5713931 Method and apparatus for detecting amplitude loss in cardiac pacing pulses  
A method and apparatus for detecting loss of cardiac pacing pulse amplitude includes a comparator for comparing the actual pulse voltage to a reference voltage. In one advantageous embodiment, the...
5713932 Method and apparatus for determining atrial lead disclocation and confirming diagnosis of atrial tachyarrhythimias  
In a dual chamber cardiac stimulators, e.g. cardiac pacemaker or pacemaker/cardioverter/defibrillator (PCD) system, which relies upon the detection of atrial depolarizations or the stimulation of...
5713937 Pacemaker programmer menu with selectable real or simulated implant data graphics  
A graphic user interface for a cardiac implant, such as an implant programmer, includes image generators for generating multiple images on a screen, each image corresponding to as representation of...
5709712 Implantable cardiac stimulation device with warning system  
A cardiac simulation system including a patient warning apparatus. The cardiac stimulator is an implantable pacemaker or defibrillator or combination which can be programmed to automatically alter...
5707398 Automatic determination of optimum electrode configuration for a cardiac stimulator  
In an implantable pacemaker or cardioversion/defibrillation device, the optimal electrodes for determining a pacing parameter are found. A test signal is sequentially switched and a response from...
5702426 Automatic adjustment of electrical signal parameters  
Apparatus and methods for adjusting an electrical parameter of an electronic device, notably of an active implantable medical device such as a pacemaker or cardiac defibrillator, and an...
5694952 Magnetic field detector  
In a magnetic field detector as well as in a combined telemetry and magnetic field detector unit in a medical implant, a magnetic field sensor with a coil and a diode are employed for determining...
5683430 Status monitor for anomaly detection in implanted devices and method  
A status monitoring system for evaluating the condition of an electrode implanted in the body of a mammal. The system comprises a modulator for modulating interrogation signals on an electrode of...
5679022 Universal cable connector for temporarily connecting implantable stimulation leads and implantable stimulation devices with a non-implantable system analyzer  
A universal cable connector for use between an external system analyzer (54) and an implantable stimulation device includes a multi-conductor cable (60) and a universal connector block (52) having...
5669391 Apparatus and method for presenting patient electrocardiogram and implantable device status information  
An implantable cardiac therapy device collects patient ECG and device status information, including cardiac event interval information, why therapy was or was not applied, and patient response to...
5620472 Apparatus and method for dynamically interpreting and displaying a real-time telemetry link  
A monitoring and/or programming device communicates with a cardiac stimulation device, such as a pacemaker, which is operatively implanted within a patient. Communication between the programmer and...
5620473 Calibration system for pacemaker-generated intracardiac electrogram  
A calibration system for use with an implantable pacemaker allows the intracardiac electrogram (IEGM) generated by the pacemaker to be calibrated when the pacemaker is coupled to an external...
5609615 Implantable cardiac stimulation device with warning system and conductive suture point  
A cardiac simulator including a patient warning apparatus, having an electrically conductive suture point in electrical communication with the patient warning apparatus. An electrically conductive...
5554173 Defibrillator charge tester  
A defibrillator charge tester includes a generally fork-shaped nonconductive shell defining two prongs and a handle. A charge testing circuit is disposed in the shell. The circuit terminates at two...
5534018 Automatic lead recognition for implantable medical device  
A method and apparatus for determining the availability of unipolar and/or bipolar pacing/sensing paths in a body-implantable cardiac pacing system. In one embodiment, a pacemaker system includes...
5518001 Cardiac device with patient-triggered storage of physiological sensor data  
A cardiac device that stores physiological sensor data from multiple sensors is provided. A patient may use a portable triggering device to cause the cardiac device to store the data when the...
5513645 Holter functions with a zoom feature  
This invention provides an improved Holter function in an implantable device for arrhythrnia monitoring or therapy. One improvement consists of a zoom feature which stores information about an...
5507786 System and method for measuring and storing parametric data pertaining to operating characteristics of an implantable medical device  
A system and method for measuring and storing parametric data pertaining to the operating characteristics of an implantable medical device are provided. The parametric data may include the...
5496271 Combined hyperthermia and dilation catheter  
An apparatus and method for treatment of conditions in which it is desired to simultaneously hyperthermally treat diseased target tissue in a patient and dilate a lumen of a patient which is...
5487754 Method and apparatus for reporting and displaying a sequential series of pacing events  
An implantable pacemaker continuously records pacing events and their respective rates of occurrence in sequence, as they occur, into an Event Record stored in a circular buffer. The circular...
5487755 Methods for displaying a sequential series of pacing events  
An implantable pacemaker continuously records pacing events and their respective rates of occurrence in sequence, as they occur, into an Event Record stored in a circular buffer. The circular...
5453698 Method and system for testing an implantable defibrillator output stage and high voltage lead integrity  
A method and system for testing the integrity of a high voltage output stage and high voltage leads of an implantable cardioverter/defibrillator. The method and system comprises charging one or...
5448997 Heart pacing pulse detection system  
A system including a process for enhancing detection of a pacing artifact in a patient having artificially paced myocardial contractions. The detection is accomplished by sensing seven EKG leads....
5447525 Pacemaker which adapts to minimize current drain and provide desired capture safety margin  
A cardiac pacemaker improves battery longevity by automatically providing a safe threshold and an associated pulse width leading to minimum current drain. The pacemaker stores a matrix of current...
5435316 Low amplitude pacing artifact detection amplifier circuit with driven right leg for filtering high frequency noise caused by multiple noise sources  
A pacing artifact detection apparatus and method uses high speed operational amplifiers configured as an instrumentation amplifier to sense common mode noise signals at frequencies up to and above...
5431692 Method and apparatus for testing compatibility of lead polarity and polarity programming of a cardiac stimulator  
A cardiac stimulation device includes a system for testing lead polarity and determining whether the programmed polarity configuration is compatible with an attached pacing and sensing lead. The...
5431691 Method and system for recording and displaying a sequential series of pacing events  
An implantable pacemaker continuously records pacing events and their respective rates of occurrence in sequence, as they occur, into an Event Record stored in a circular buffer. The circular...
5425373 Apparatus and method for analyzing and enhancing intercardiac signals  
An external diagnostic/programming device is disclosed which includes means for both displaying intracardiac electrical signals sensed and telemetered from an implantable pacemaker in real-time,...
5423871 Method and device for monitoring electrodes of electrical heart stimulators  
In a method for continuous, electrical monitoring of the electrodes of an electrical heart stimulator, having at least one stimulation electrode and an indifferent electrode, the inter-electrode...
5417718 System for maintaining capture in an implantable pulse generator  
An autocapture system within an implantable pulse generator automatically maintains the energy of a stimulation pulse at a level just above that which is needed to effectuate capture. The...
5413593 Using sub-threshold unipolar pacing markers to improve the interpretation of surface EKG in pacemaker patients  
A pacemaker including a marker code generator generating marker codes between an indifferent electrode disposed on the pacemaker housing and the pacemaker can serving as a reference electrode....
5411539 Active can emulator and method of use  
An active can emulator for emulating the electrical and dimensional characteristics of an implantable pulse generator of the type having a hermetically sealed housing configured to operate as an...
5350405 Method and apparatus for capacitor tolerance compensation in a cardiac stimulating device  
A method and apparatus for determining the actual capacitance of a capacitor in a cardiac stimulating device in order to determine the potential necessary to store a desired amount of energy on the...
5330511 Dual chamber pacemaker with automatically optimized AV delay  
The dual chamber system and method of operation contains an automatic test for determining an optimum AV interval at a test frequency such as LRL. In a preferred embodiment the test is carried out...
Matches 251 - 300 out of 442 < 1 2 3 4 5 6 7 8 9 >