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| Number | Title | Issue Date |
| 8043225 | Active implantable medical device equipped with means for the diagnosis of respiratory disorders, with sophisticated detection of respiratory cycles with artifacts An active implantable medical device comprising circuits for measuring trans-thoracic impedance and delivering an impedance signal varying with respiratory activity of a patient. A signal representative of the respiratory activity of the patient is delivered startin... | 10/25/2011 |
| 8034001 | Sensors for inductive plethysmographic monitoring applications and apparel using same This invention includes improved IP sensors that both have improved sensitivity, performance, and other properties and are multifunctional. The improved IP sensors have IP sensor conductors with waveforms having legs that are substantially parallel throughout the op... | 10/11/2011 |
| 7938782 | Prediction of disordered breathing An approach for predicting disordered breathing involves detecting one or more conditions associated with disordered breathing. The detected conditions are compared to disordered breathing prediction criteria. A prediction of disordered breathing is performed based ... | 05/10/2011 |
| 7708698 | Circuit for measuring breath waveform with impedance method and method and device for resisting interference of electrical fast transient A circuit for measuring respiratory waveform with impedance method and a method and device for resisting electrical fast transient interference are provided, and wherein an output from the peak detector circuit and a reference signal are input to two input terminals... | 05/04/2010 |
| 7435226 | Method and apparatus for displaying information obtained by electrical impedance tomography data The invention refers to a method and an apparatus for displaying information obtained by electrical impedance tomography (EIT) data from a part of a patient's body. In order to provide a method for displaying information which can be immediately used in order to det... | 10/14/2008 |
| 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 |
| 7340294 | Impedance measurement apparatus for assessment of biomedical electrode interface quality Apparatus for assessing the electrical properties of patient-electrode interfaces has a carrier signal source injecting two carrier signals comprising an AC signal with a DC offset to the electrodes. The carrier signals are out of phase. The outputs from the electro... | 03/04/2008 |
| 7313435 | Bioelectric impedance measuring apparatus There is provided an apparatus capable of carrying out an accurate bioelectrical impedance measurement by determining whether contact of a living body with electrodes used at the time of the bioelectrical impedance measurement is normal or not more accurately. The a... | 12/25/2007 |
| 7261697 | Apparatus for determination of stroke volume using the brachial artery Provided herein are methods and apparatus for stroke volume determination by bioimpedance from a patient's upper arm, or brachium, utilizing pulsations of the brachial artery contained therein. The apparatus includes two or more spaced apart alternating current flow... | 08/28/2007 |
| 7252640 | Detection of disordered breathing Devices and methods for detecting disordered breathing involve determining that the patient is asleep and sensing one or more signals associated with disordered breathing indicative of sleep-disordered breathing while the patient is asleep. Sleep-disordered breathin... | 08/07/2007 |
| 7248912 | Tissue implantable sensors for measurement of blood solutes A tissue-implantable sensor for measurement of solutes in fluids and gases, such as oxygen and glucose, is provided. The sensor includes a multiplicity of detectors, constructed and arranged to improve the probability that one or more detectors will have access to a... | 07/24/2007 |
| 7231250 | Method and apparatus for the setting or adjustment of a cardiac pacemaker A method of setting or adjusting a cardiac pacemaker in a patient diagnosed with cardiac asynchrony, which method comprises the steps of: i) implanting cardiac pacing wires into at least the right ventricle and the left ventricle of the heart of the patient, ii) con... | 06/12/2007 |
| 7226422 | Detection of congestion from monitoring patient response to a recumbent position Systems and methods obtain information that allows detection of whether a patient suffers from congestion by monitoring a response of the patient to a recumbent position of the patient's body. The patient may be monitored to determine a respiration pattern for a non... | 06/05/2007 |
| 7225021 | Differentiation of central sleep apnea and obstructive sleep apnea using an implantable cardiac device An implantable cardiac device is programmed to differentiate between central sleep apnea and obstructive sleep apnea. The implantable cardiac device utilizes a respiration-related parameter (e.g., respiration rate, tidal volume, and minute ventilation) to determine ... | 05/29/2007 |
| 7211053 | Selectively applied wearable medical sensors A wearable garment includes sensor device of well-know design that are selectively pressed against the skin of the wearer when it is desired to obtain sensor readings, such as heart rate or temperature, or to apply treatment such as electrical pulses for defibrillat... | 05/01/2007 |
| 7209008 | Multiple output phase-locked loop (PLL) using a single voltage controlled oscillator (VCO) Phase-locked loop (PLL) methods and apparatus are described for generating multiple output clocks synchronized to different frequencies of multiple input signals, wherein the multiple-output PLL employs a single voltage controlled oscillator (VCO). In an embodiment,... | 04/24/2007 |
| 7207947 | System and method for detecting circadian states using an implantable medical device Techniques are provided for detecting the circadian state of a patient using an implantable medical device based on selected blood carbon dioxide (CO2) parameters. In one example, the implantable device tracks changes in end tidal CO2 (etCO | 04/24/2007 |
| 7191000 | Cardiac rhythm management system for edema A cardiac rhythm management system detects edema. In response to an episode of detected edema, it initiates or adjusts a cardiac resynchronization therapy and/or a cardiac contractility modulation (CCM) therapy. ... | 03/13/2007 |
| 7177673 | Medical telemetry system A medical telemetry system includes a first detection section for detecting a first vital sign signal using a first sensor, a transmitter 10 which modulates a signal detected by the first detection section and transmits the modulated signal by radio wave tran... | 02/13/2007 |
| 7177681 | Cardiac rhythm management system for edema A cardiac rhythm management system detects edema. In response to an episode of detected edema, it initiates or adjusts a cardiac resynchronization therapy and/or a cardiac contractility modulation (CCM) therapy. ... | 02/13/2007 |
| 7173437 | Garment incorporating embedded physiological sensors A system for unobtrusively measuring bioelectric signals developed by an individual includes multiple sensors, one or more of which constitutes a capacitive sensor attached to a holding device. The holding device serves as a mounting structure that holds sensors in ... | 02/06/2007 |
| 7161362 | System and method for measuring bioelectric impedance in the presence of interference A system for measuring bioelectric impedance in real time, in the presence of interference and noise is disclosed. A small electric current is injected into a biopotential electrode system, and then the measurement is tested for contamination by electrical interfere... | 01/09/2007 |
| 7141019 | Tissue characterization based on impedance images and on impedance measurements Apparatus for aiding in the identification of tissue type for an anomalous tissue in an impedance image comprising a first device providing a polychromic immitance map of a portion of the body; a second devise determining a plurality of polychromic measures from one... | 11/28/2006 |
| 7122010 | Method and apparatus for determining alveolar opening and closing The invention refers to a method for the regional determination of the alveolar opening and alveolar closing of the lung depending on the respiration pressure, wherein according to the method of electrical impedance tomography, an impedance signal is measured in at ... | 10/17/2006 |
| 7071820 | Wireless patient ambulation motion detector and second call system A patient ambulation motion detector designed to be worn on the body. The detector incorporates a wireless transmitter, a motion sensor switch and a second call switch. It may be enclosed in a plastic case and attached most commonly to the upper anterior chest by a ... | 07/04/2006 |
| 7062895 | Method of training equine athletes and apparatus therefor An electronic programmable timing instrument for real-time monitoring of an equine athlete's training and conditioning regimen for developing optimum racing potential is provided wherein the instruments aids an operator primarily to set, monitor, and control the equ... | 06/20/2006 |
| 7062326 | Method and apparatuses for monitoring hemodynamic activities using an intracardiac impedance-derived parameter An intracardiac impedance-derived parameter, Half Cycle Activity (HCA) is used in sensing and controlling cardiac activities in implantable cardiac devices such as bradycardia pacemakers and cardioverter defibrillators. This impedance-derived parameter correlates cl... | 06/13/2006 |
| 7024238 | Detecting ischemia In one aspect, a method of detecting ischemia within the brain of a patient. The method includes assigning a first value to a first signal generated by a tissue on the right-hand side of the body and assigning a second value to a second signal generated by a tissue ... | 04/04/2006 |
| 6980853 | Deep-vein thrombosis determination apparatus An apparatus is provided which allows a subject to determine by himself/herself whether or not he/she is apt to develop a deep-vein thrombosis in a region of a lower limb in a simple manner. A variation between the bioelectric impedance values measured respectively ... | 12/27/2005 |
| 6978169 | Personal physiograph Disclosed are systems and methods which provide a relatively small, preferably easily transportable, interpretive biotelemetric monitor, such as may utilize platforms developed for use as personal digital assistants, adapted for use by non-health care personnel. A p... | 12/20/2005 |
| 6974420 | Method and apparatus for reducing noise and detecting electrode faults in medical equipment A method and apparatus for reducing noise and detecting electrode faults in a physiological activity acquisition system. The method includes the act of delivering a carrier signal through an electrode connected to a subject. Once the carrier signal is delivered, a c... | 12/13/2005 |
| 6965795 | Impedance spectroscopy method for monitoring ischemic mucosal damage in hollow viscous organs Alternate embodiments of an impedance spectroscopy method are disclosed for monitoring ischemic mucosal damage in hollow viscous organs. In each embodiment, a sensor catheter is placed inside a patient's hollow viscous organ. Afterwards, the catheter is electrically... | 11/15/2005 |
| 6955648 | Precision brain blood flow assessment remotely in real time using nanotechnology ultrasound The present invention relates generally to systems and methods for assessing blood flow in blood vessels, for assessing vascular health, for conducting clinical trials, for screening therapeutic interventions for adverse effects, and for assessing the effects of ris... | 10/18/2005 |
| 6930608 | Apparel having multiple alternative sensors and corresponding method One or more items of apparel have a plurality of sensors (10, 11, and 12) disposed therein (either permanently or temporarily). These sensors sense physical states of the individual wearing the items of apparel and/or of the local environment. In one e... | 08/16/2005 |
| 6912420 | Cardiac rhythm management system for hypotension A cardiac rhythm management system detects hypotension based on a measurement of thoracic impedance. It also provides therapy to treat the hypotension. ... | 06/28/2005 |
| 6907288 | Cardiac rhythm management system adjusting rate response factor for treating hypotension A cardiac rhythm management system detects hypotension, such as by using thoracic impedance to detect a fluid shift away from the thorax. In response to an episode of detected hypotension, it increases a pacing rate response factor mapping a metabolic need to an ind... | 06/14/2005 |
| 6830548 | Active medical device able to diagnose a patient respiratory profile An active medical device to diagnose a patient respiratory profile. This device is able to measure respiratory activity and deliver a signal (26) representative of the periodicity and amplitude of the successive respiratory cycles of the patient, in particula... | 12/14/2004 |
| 6773404 | Discriminating between an awake phase and a sleep phase of a patient in an active implantable medical device An active medical device having an improved discrimination between an awake phase of a patient and a sleep phase of a patient. This device measures a physiological parameter of a patient, delivers a physiological signal with a slow time response variation, in partic... | 08/10/2004 |
| 6752765 | Method and apparatus for monitoring heart rate and abnormal respiration An implantable device having enhanced capabilities for monitoring a patient's heart rate and respiration trends over extended periods of time is disclosed. The information collected by the implantable device may be stored and telemetered to an associated external de... | 06/22/2004 |
| 6702755 | Signal processing circuit for pyro/piezo transducer An adapter for interfacing a pyro/piezo sensor to a polysomnograph machine comprises a differential input amplifier coupled to receive the raw transducer signals from a PVDF film transducer to provide a requisite gain while rejecting common mode noise. Th... | 03/09/2004 |
