|
Match
|
Document |
Document Title |
|
|
5480415 |
Apparatus for high speed data communication between an external medical device and an implantable medical device
A method of communicating data between an external device and an implantable medical device wherein a first pulse is transmitted as electromagnetic energy from one device to the other, is received...
|
|
|
5476488 |
Telemetry system power control for implantable medical devices
During the telemetering of telemetry signals between an implantable medical device and an external programmer, the transmitter power of the implantable device is dynamically adjusted. The...
|
|
|
5470348 |
Device for stimulating living tissue
A device for stimulating heart tissue contains a stimulation unit connected via a switching device to an electrode system. The number of connecting lines between the stimulation unit and the...
|
|
|
5466246 |
Telemetry receiver for implantable device, incorporating digital signal processing
An improved programmer apparatus for receiving digital data telemetered from an implantable device such as a heart pacemaker with substantially reduced hardware complexity and with convenient...
|
|
|
5433736 |
Implantable medical apparatus and extracorporeal programming and control unit therefor
A system for administering medical therapy includes an implantable medical apparatus containing an audio transmitter and an audio receiver for respectively transmitting and receiving...
|
|
|
5413594 |
Method and apparatus for interrogating an implanted cardiac device
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...
|
|
|
5411536 |
Method and apparatus for communicating data between medical devices to improve detectability of errors
A method and apparatus for processing data to be communicated between an implantable medical device and an external medical device to improve detectability of communication errors. An encoded block...
|
|
|
5411535 |
Cardiac pacemaker using wireless transmission
A cardiac pacemaker improved to reduce the weight and size and to unburden the wearer of the pacemaker, while ensuring safe transmission of signals. The cardiac pacemaker includes a cardiac...
|
|
|
5402794 |
Method and apparatus for heart transplant monitoring and analog telemetry calibration
A cardiac pacemaker with an analog telemetry system. A calibration circuit within the pacemaker is adapted to provide a reference signal of known character to the pacemaker's telemetry system. The...
|
|
|
5391188 |
Low cost implantable medical device
A low cost, limited-function implantable medical device. The device's synchronous circuits are driven by an ultra-slow master clock signal produced without utilization of a crystal oscillator. The...
|
|
|
5383915 |
Wireless programmer/repeater system for an implanted medical device
A sterilizable programmer repeater system for retransmission of a programmed code via an RF data link from a pacemaker or defibrillator programmer to an implanted pacemaker or defibrillator which...
|
|
|
5383909 |
Diagnostic telemetry system for an apparatus for detection and treatment of tachycardia and fibrillation
An implantable antitachyarrhythmia device having the capability of detecting multiple tachyarrhythmias, such as ventricular tachycardia and ventricular fibrillation and capable of delivering...
|
|
|
5370666 |
Pacemaker with power-consuming component inhibited during storage
A pacemaker contains at least one power-consuming component, such as a sensor with associated electronic circuitry for controlling the pacemaker function or a heart signal detector, and an...
|
|
|
5354319 |
Telemetry system for an implantable medical device
A method of and apparatus for telemetering analog and digital data transcutaneously between an implantable medical device and an external receiver, such as between an external programmer and an...
|
|
|
5350411 |
Pacemaker telemetry system
An implantable medical device telemetry system provides a means for decoding telemetry downlink information transmitted from an external unit to an implanted medical device, and for encoding...
|
|
|
5344431 |
Method and apparatus for determination of end-of-service for implantable devices
A method and apparatus for determination of battery end-of-service in a medical device in which the medical device comprises a cathode limited electrochemical cell having an active metal anode and...
|
|
|
5342408 |
Telemetry system for an implantable cardiac device
A telemetry system and method of monitoring cardiac activity or providing therapy to the heart for an implantable cardiac device. The system includes a receiver and a transmitter in an external...
|
|
|
5336245 |
Storage interrogation apparatus for cardiac data
A storage interrogation apparatus for communication with an implanted medical device and with remote communications systems. The apparatus comprises a microprocessor for implementing program...
|
|
|
5330513 |
Diagnostic function data storage and telemetry out for rate responsive cardiac pacemaker
An implantable physiologic device, e.g., a multi-programmable, microprocessor based cardiac pacemaker, is provided with data storage and transmission capabilities for transmitting out certain...
|
|
|
5324315 |
Closed-loop downlink telemetry and method for implantable medical device
A closed loop system for attaining premium telemetry performance for vector field electromagnetically coupled telemetry systems. The disclosed system utilizes a linear ramped envelope for downlink...
|
|
|
5314450 |
Dual channel telemetry for implanted medical device
A method of and apparatus for telemetering both analog and digital data transcutaneously between an implantable medical device and an external receiver, such as between an external programmer and...
|
|
|
5304209 |
Remote-control temporary pacemaker
A temporary pacemaker combines technologies of the implantable pacemaker, the waterproof watch, with a separate remote-control programming unit that communicates with the pacemaker via IR...
|
|
|
5300093 |
Apparatus and method for measuring, formatting and transmitting combined intracardiac impedance data and electrograms
A patient-implantable cardiac stimulation apparatus adapted to measure body impedance, derive at least one physiological parameter from the impedance measurement, sample a time sequence of the...
|
|
|
5292343 |
Hand shake for implanted medical device telemetry
A method of and apparatus for telemetering both analog and digital data transcutaneously between an implantable medical device and an external receiver, such as between an external programmer and...
|
|
|
5241961 |
Synchronous telemetry receiver and receiving method for an implantable medical device
A synchronous telemetry receiver and receiving method for reception from an implantable medical device of a PPM signal including a plurality of bits each having a sync pulse and at least one data...
|
|
|
5186169 |
Common signal transmission path cardiac pacemaker with switchable capacitors
Implantable cardiac pacemaker with a plurality of inputs for signal reception and switchable capacitors connected to these inputs, whereby analog signals obtained through signal receivers from...
|
|
|
5137020 |
Battery impedance measurement apparatus
A battery impedance measurement apparatus for battery powered implantable medical apparatus in which current source means and reference impedance means are selectively connected across the battery...
|
|
|
5137022 |
Synchronous telemetry system and method for an implantable medical device
A synchronous telemetry system and method for multiplexed telemetry of analog and digital information from a pacemaker or other implantable medical device. Telemetry sync pulses are generated at a...
|
|
|
5127404 |
Telemetry format for implanted medical device
A method and apparatus are disclosed for telemetering both analog and digital data from an implantable medical device to an external receiver, such as between an implanted cardiac pacer and its...
|
|
|
5117825 |
Closed loop transmitter for medical implant
A technique for improving the radio frequency coupling between an external programming device and a medical device implanted within a patient. The radio frequency coupling is typically used to...
|
|
|
5113859 |
Acoustic body bus medical device communication system
A system intended for being at least partly implanted into a living body and comprising at least two modules or devices which are interconnected by a communication transmission channel, at least...
|
|
|
5107833 |
Telemetry gain adjustment algorithm and signal strength indication in a noisy environment
A software-controlled, external programmer for transcutaneously programming and receiving data from an implanted medical device providing a real-time indication of the implanted medical device RF...
|
|
|
5081987 |
Implantable medical device for stimulating a physiological event of a living being with stimulation intensity adaptable to physical activity of the living being
An implantable medical device comprising means for stimulating physiological event of a living being with a stimulation intensity adaptable to the physical activity of the living being in view of...
|
|
|
5058581 |
Telemetry apparatus and method for implantable tissue stimulator
An improved telemetry system for telemetering digital data from an implantable tissue stimulator such as a heart pacemaker. A carrier signal is pulse modulated in accordance with either or both of...
|
|
|
5052389 |
Low-power A/D converter for an implantable medical device and method of use
A low-power A/D converter for an implantable medical device. The converter includes a high-frequency oscillator capable of generating clock pulses at a frequency substantially higher than the main...
|
|
|
4989602 |
Programmable automatic implantable cardioverter/defibrillator and pacemaker system
A non-programmable automatic implantable cardioverter/defibrillator (AICD) capable of providing programmable thresholds for triggering high energy stimulation pulse(s) from the AICD is coupled to...
|
|
|
4987897 |
Body bus medical device communication system
A system intended for being at least partly implanted into a living body and comprising at least two modules or devices which are interconnected by a communication transmission channel, at least...
|
|
|
4980898 |
Self-oscillating burst mode transmitter with integral number of periods
A self-oscillating burst mode transmitter transmits an integral number of cycles of a carrier signal in each transmission burst. Each burst commences at a peak value of the carrier signal and...
|
|
|
4979506 |
Self-test system and method for external programming device
A communication system includes self-test means for automatically testing its performance. The communication system is adapted for use between an implantable device, such as a pacemaker, and an...
|
|
|
4972438 |
Self-oscillating transmitter
A device for use as a self-oscillating Class D transmitter is disclosed which uses feedback to maintain the oscillation at the resonant frequency of the device, thereby optimizing the efficiency of...
|
|
|
4947407 |
Sample-and-hold digital phase-locked loop for ask signals
A digital phase-locked looped generates a clock signal synchronized with a carrier signal modulated by amplitude shift keying (ASK). During periods when no carrier signal is present, the generated...
|
|
|
4944299 |
High speed digital telemetry system for implantable device
A high speed digital telemetry system (10) includes a transmitter (12) and a receiver (14), at least one of which is adapted for use in an implantable device. The transmitter includes a data...
|
|
|
4757816 |
Telemetry system for implantable pacer
A telemetry system for transmitting digital data from an implanted pacer to an external programming/receiver unit includes a voltage-controlled pulse generator having an output period proportional...
|
|
|
4741341 |
Protection circuit and method for implanted ECG telemetry circuits
A protection circuit for an implanted telemetry circuit used to telemeter ECG or other low level signals sensed on the same lead whereon high level stimulation or other signals may also appear. The...
|
|
|
4705043 |
Electrophysiology study system using implantable cardioverter/pacer
An electrophysiology (EP) study system using an implantable cardioverter/pace. The system includes an implantable unit having a conventional programmable pace capable of operation in at least the...
|
|
|
4700707 |
Pulse to sine wave/sample decoder telemetry system
A telemetry system for communicating with a tank circuit contained in a pacer implanted in a patient includes a telemetry coil and a capacitor connected to the telemetry coil for forming a resonant...
|
|
|
4658831 |
Telemetry system and method for transmission of ECG signals with heart pacer signals and loose lead detection
The invention is a telemetric biomedical system for simultaneously transmitting a pacer pulse together with lower frequency ECG wave forms and a loose lead signal. The loose lead signal is a low...
|
|
|
RE32361 |
Implantable telemetry transmission system for analog and digital data
An improved telemetry transmission system for transmitting electrocardiographic information, indications of the occurrence of the pacing pulse and for transmitting digitially encoded information...
|
|
|
4625730 |
Patient ECG recording control for an automatic implantable defibrillator
An implantable automatic defibrillator includes sensors which are placed on or near the patient's heart to detect electrical signals indicative of the physiology of the heart. The signals are...
|
|
|
4586508 |
Implant communication system with patient coil
A system is provided for communicating with a tank circuit that is implanted in a patient. The system comprises a telemetry circuit including an oscillator enclosed within a housing. An inductor...
|