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Inventor:
Lyster; Thomas D.
Address:
Bothell, WA
No. of patents:
33
Patents:












Patent Number Title Of Patent Date Issued
RE43050 Medical electrode and release liner configurations facilitating packaged electrode characterizat December 27, 2011
An electrode includes a conductive adhesive layer and a conductive foil layer having a void therein. One such electrode may be mounted in conjunction with another electrode upon a release liner having one or more openings therein to facilitate electrical signal exchange between elect
8209008 Interactive automatic external defibrillator providing attachment guidance to operator June 26, 2012
A method for operating an automatic external defibrillator (AED) prompts an operator about proper operation of the automatic external defibrillator and placement of the electrodes to ensure rapid and proper operation. Depending upon a state of a pad storage compartment, upon activati
7463922 Circuit and method for analyzing a patient's heart function using overlapping analysis windows December 9, 2008
A circuit includes a sensor coupled to a processor. The sensor senses an electrical signal that is representative of a patient parameter, and the processor determines a condition of the patient by analyzing first and second overlapping portions of the sensed electrical signal. For exampl
7079894 Damped biphasic energy delivery circuit for a defibrillator July 18, 2006
A defibrillator capable of delivering a damped biphasic truncated (DBT) defibrillation pulse is provided. An energy storage circuit is coupled across a high voltage switch such as an H-bridge for delivering a defibrillation pulse to the patient through a pair of electrodes. A control
7062321 Method and apparatus for defibrillating patients of all ages June 13, 2006
A defibrillation system for patients of all ages may include an Automated External Defibrillator (AED) coupled to a set of universal electrodes. Universal electrodes may be reduced-size versions of adult electrodes, and may include an opening to lower effective impedance. The AED may
6694193 Medical electrode and release liner configurations facilitating packaged electrode characterizat February 17, 2004
An electrode includes a conductive adhesive layer and a conductive foil layer having a void therein. One such electrode may be mounted in conjunction with another electrode upon a release liner having one or more openings therein to facilitate electrical signal exchange between elect
6671547 Adaptive analysis method for an electrotherapy device and apparatus December 30, 2003
An electrotherapy device including at least one sensor operable to sense at least one physiological parameter of a patient. A controller is operably connected to the at least one sensor operable to receive signals from the at least one sensor corresponding to the at least one physiologic
6405081 Damped biphasic energy delivery circuit for a defibrillator June 11, 2002
A defibrillator capable of delivering a damped biphasic truncated (DBT) defibrillation pulse is provided. An energy storage circuit is coupled across a high voltage switch such as an H-bridge for delivering a defibrillation pulse to the patient through a pair of electrodes. A control
6370428 Method for configuring a defibrillator April 9, 2002
A defibrillator configurable for optimal behavior across a broad spectrum of patients, users, and circumstances is provided. A set of environmental characteristics that represent the patient population, the user population, and the possible circumstances are determined and then applied
6314320 Method and apparatus for selectively inactivating AED functionality November 6, 2001
A novel apparatus for inactivating the AED prompting feature without inactivating the monitoring and analysis capability of the AED. AEDs are designed to be deployed by lay responders, such as flight attendants and police officers. As a result, in addition to a shock advisory algorithm
6304783 Defibrillator system including a removable monitoring electrodes adapter and method of detecting October 16, 2001
A defibrillator system capable of defibrillation and patient monitoring. When used as a patient monitor, the defibrillator system includes a defibrillator and removable monitoring electrodes. The monitoring electrodes communicate with a monitoring adapter and the defibrillator. A met
6287328 Multivariable artifact assessment September 11, 2001
An apparatus detects corruption of an event signal by two or more non-event artifacts by using multivariable artifact assessment. The apparatus comprises: 1) a sensor for providing an input signal comprising an event signal coexisting with two or more non-event signals, 2) a measurement
6269267 Configurable arrhythmia analysis algorithm with security interface July 31, 2001
An electrotherapy device includes a power supply and electrodes. The electrodes are coupled to the power supply to deliver a defibrillating shock to a patient. Electronic circuitry is coupled to the electrodes and is operable to detect heart rhythms via the electrodes. Further, control
6241751 Defibrillator with impedance-compensated energy delivery June 5, 2001
A defibrillator having an energy storage capacitor network with multiple configurations selected according to patient impedance and desired energy level for delivery of an impedance-compensated defibrillation pulse is provided. The set of configurations may include series, parallel, and
6208898 Impedance estimation with dynamic waveform control in an electrotherapy apparatus March 27, 2001
An electrotherapy apparatus performs a low level impedance measurement upon the patient to determine the initial charge level on the capacitor used to deliver an electrotherapy waveform to the patient. In addition, the waveform applied to the patient is dynamically controlled to compensa
6108578 Configurable arrhythmia analysis algorithm August 22, 2000
An electrotherapy device includes a power supply and electrodes. The electrodes are coupled to the power supply to deliver a defibrillating shock to a patient. Electronic circuitry is coupled to the electrodes and is operable to detect heart rhythms via the electrodes. Further, control
5902249 Method and apparatus for detecting artifacts using common-mode signals in differential signal de May 11, 1999
An apparatus analyzes a composite input signal to determine whether the amount of common mode signal in the composite signal is unacceptably high; thus, precluding an accurate diagnosis of the differential mode signal of interest. Method steps include separating the composite signal inpu
5879374 External defibrillator with automatic self-testing prior to use March 9, 1999
A defibrillator with an automatic self-test system that includes a test signal generator and a defibrillator status indicator. The test system preferably performs functional tests and calibration verification tests automatically in response to test signals generated periodically and/or i
5836978 Electrotherapy method for producing a multiphasic discharge based upon a patient-dependent elect November 17, 1998
This invention provides an external defibrillator and defibrillation method that automatically compensates for patient-to-patient impedance differences in the delivery of electrotherapeutic pulses for defibrillation and cardioversion. In a preferred embodiment, the defibrillator has
5803927 Electrotherapy method and apparatus for external defibrillation September 8, 1998
An electrotherapy method and apparatus for delivering a multiphasic waveform from an energy source to a patient. The preferred embodiment of the method comprises the steps of charging the energy source to an initial level; discharging the energy source across the electrodes to deliver
5800460 Method for performing self-test in a defibrillator September 1, 1998
A defibrillator with an automatic self-test system that includes a test signal generator and a defibrillator status indicator. The test system preferably performs functional tests and calibration verification tests automatically in response to test signals generated periodically and/or i
5776166 Method for applying a multiphasic waveform July 7, 1998
This invention provides an external defibrillator and defibrillation method that automatically compensates for patient-to-patient impedance differences in the delivery of electrotherapeutic pulses for defibrillation and cardioversion. In a preferred embodiment, the defibrillator has
5749905 Electrotherapy method utilizing patient dependent electrical parameters May 12, 1998
This invention provides an external defibrillator and defibrillation method that automatically compensates for patient-to-patient impedance differences in the delivery of electrotherapeutic pulses for defibrillation and cardioversion. In a preferred embodiment, the defibrillator has
5749904 Electrotherapy method utilizing patient dependent electrical parameters May 12, 1998
The invention provides a method for delivering electrotherapy to a patient through electrodes connected to a plurality of capacitors, including the steps of discharging at least one of the capacitors across the electrodes to deliver electrical energy to the patient, monitoring a pati
5735879 Electrotherapy method for external defibrillators April 7, 1998
This invention provides an external defibrillator and defibrillation method that automatically compensates for patient-to-patient impedance differences in the delivery of electrotherapeutic pulses for defibrillation and cardioversion. In a preferred embodiment, the defibrillator has
5650750 Common mode signal and circuit fault detection in differential signal detectors July 22, 1997
The present invention is an apparatus and method for detecting differential mode signals in an environment where differential mode signals co-exist, and might be corrupted by, common mode signals. The most basic apparatus of the present invention essentially comprises first and second in
5632280 Method for circuit fault detection in differential signal detectors May 27, 1997
The present invention is an apparatus and method for detecting differential mode signals in an environment where differential mode signals co-exist, and might be corrupted by, common mode signals. The most basic apparatus of the present invention essentially comprises first and second in
5620470 Electrotherapy method April 15, 1997
This invention provides an external defibrillator and defibrillation method that automatically compensates for patient-to-patient impedance differences in the delivery of electrotherapeutic pulses for defibrillation and cardioversion. In a preferred embodiment, the defibrillator has
5607454 Electrotherapy method and apparatus March 4, 1997
An electrotherapy method and apparatus for delivering a multiphasic waveform from an energy source to a patient. The preferred embodiment of the method comprises the steps of charging the energy source to an initial level; discharging the energy source across the electrodes to deliver
5601612 Method for applying a multiphasic waveform February 11, 1997
This invention provides an external defibrillator and defibrillation method that automatically compensates for patient-to-patient impedance differences in the delivery of electrotherapeutic pulses for defibrillation and cardioversion. In a preferred embodiment, the defibrillator has
5593427 Electrotherapy method January 14, 1997
This invention provides an external defibrillator and defibrillation method that automatically compensates for patient-to-patient impedance differences in the delivery of electrotherapeutic pulses for defibrillation and cardioversion. In a preferred embodiment, the defibrillator has
5341806 Multiple electrode strip August 30, 1994
Disclosed is an electrode strip (100) for use in electrocardiography comprising a flexible and substantially inextendible substrate (104), a plurality of conductors (114) that extend along the substrate to form a plurality of electrode sites (V.sub.1 -V.sub.6, RA, LA, LL, RL), and a
5191886 Multiple electrode strip March 9, 1993
Disclosed is an electrode strip (10) for use in electrocardiography comprising a flexible and substantially inextendible substrate (14), a plurality of conductive leads (16) and an insulating cover layer (17) including a plurality of apertures (24) therethrough. The conductive leads










 
 
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