Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8162843 | Method for measuring cardiac output via an extracorporeal cardiopulmonary support circuit A method for determining cardiac output in conjunction with flow through an extracorporeal circuit, wherein flow through an arterial line of the extracorporeal circuit is temporarily reversed and an indicator is passed through the cardiopulmonary circuit. A dilution... | 04/24/2012 |
| 8016766 | Central venous catheter assembly for measuring physiological data for cardiac output determination and method of determining cardiac output The central venous sensor assembly comprises a catheter body with several proximal ports. The catheter portion placed in the vena cava superior is equipped with a proximal flux measurement unit, and the catheter portion placed in the vena cava inferior is equipped w... | 09/13/2011 |
| 7959576 | Apparatus for detecting diastolic heart failure An implantable medical apparatus for detecting diastolic heart failure, DHF, has a DHF determining device for determining at least one DHF parameter for detecting a DHF state of the heart of a patient. The DHF includes circuitry for determining, as the DHF parameter... | 06/14/2011 |
| 7850617 | Patient monitoring apparatus and method for determining volume responsiveness of a monitored patient From the global end-diastolic volume GEDV and the global ejection fraction GEF the patient monitor (4) determines a corrected global end-diastolic volume cGEDV according to cGEDV=GEDV/ƒ(GEF) which is used as a novel paramete... | 12/14/2010 |
| 7850616 | Determination of diastolic heart failure An exemplary method includes detecting a change in state of a cardiac valve, detecting elongation of the left ventricle substantially along its major axis, determining a time difference between the change in state of the cardiac valve and the elongation of the left ... | 12/14/2010 |
| 7815578 | Methods and apparatus for determining cardiac output The present invention provides methods and apparatus for determining a dynamical property of the systemic or pulmonary arterial tree using long time scale information, i.e., information obtained from measurements over time scales greater than a single cardiac cycle.... | 10/19/2010 |
| 7775988 | Method for determining the blood flow in a coronary artery The invention relates to a method and a system for determining the blood flow in an individual coronary artery of a patient, wherein the method comprises the steps of positioning a temperature sensor mounted at a distal portion of a guide wire at a distal position i... | 08/17/2010 |
| 7666146 | Apparatus, computer system and computer program for determining intrathoracic blood volume and other cardio-vascular parameters Apparatus, computer system, computer program and storage medium for determining intrathoracic blood volume (ITBV) and other cardio-vascular parameters of a patient by thermodilution measurements. The apparatus includes: temperature influencing means for introducing ... | 02/23/2010 |
| 7632235 | System and method for measuring cardiac output via thermal dilution using an implantable medical device with an external ultrasound power delivery system The implantable device is capable of performing thermal dilution analysis of the cardiac output of a patient using power delivered from an external source. By using power from an external source, the implantable device conserves its power resources for other purpose... | 12/15/2009 |
| 7615011 | Method and apparatus for measuring blood volume, and vital sign monitor using the same A first member is adapted to measure an electrocardiogram of a patient. A second member is adapted to measure a peripheral pulse wave of the patient. A first calculator calculates a pulse wave propagation time (PWTT) and a heart rate (HR) of the patient based on the... | 11/10/2009 |
| 7569019 | Analysis and use of cardiographic bioimpedance measurements A technique for analyzing cardiographic measurements includes receiving bioimpedance information of a subject and determining a rate of change of blood flow based on the bioimpedance information. If the rate of change of blood flow includes at least two peaks during... | 08/04/2009 |
| 7569020 | Method for extracting timing parameters using a cardio-mechanical sensor In a method and apparatus for measuring the ejection fraction in a mammalian heart, the opening and closing of a heart valve is sensed with an implanted sensor, and a pre-ejection period is measured as a function of the sensed opening and closing of the heart valve.... | 08/04/2009 |
| 7402138 | Method and apparatus for measuring blood volume, and vital sign monitor using the same A first member is adapted to measure an electrocardiogram of a patient. A second member is adapted to measure a peripheral pulse wave of the patient. A first calculator calculates a pulse wave propagation time (PWTT) and a heart rate (HR) of the patient based on the... | 07/22/2008 |
| 7367954 | Method and apparatus for determining cardiac output A method and apparatus for use in determining the cardiac output. The method includes measuring a first parameter indicative of a patient's oxygen uptake and a second parameter indicative of the patient's fractional arterial oxygen concentration. The method also inc... | 05/06/2008 |
| 7364550 | Method and device for motion and noise immunity in hemodynamic measurement A method and device, such as an implantable cardiac device, for motion and noise immunity in hemodynamic measurement is presented. The method includes obtaining a template waveform representing hemodynamic performance of a heart during a first hemodynamic state and ... | 04/29/2008 |
| 7359042 | Inspection system for limited access spaces A limited access space inspection system comprising: an imaging device for imaging a region in the limited access space, a mounting for mounting the imaging device to scan about the limited access space and a scanning control unit, associated with the imaging device... | 04/15/2008 |
| 7344497 | Non-invasive device and method for measuring the cardiac output of a patient The invention involves a device and method for ascertaining the functioning of the respiratory system and, in particular, determining the cardiac output of a patient. The device comprises an apparatus containing sensors for measuring the oxygen and carbon dioxide co... | 03/18/2008 |
| 7338453 | Haemodynamic monitoring Mean Pulmonary Arterial Pressure (MPAP), Mean Pulmonary Capillary Wedge Pressure (MPCWP) and Cardiac Index are all determinable (in a method or employing apparatus) from Central Venous Pressure (CVP), Mean Arterial Pressure (MAP), Heart Rate (HR), and Core Body Temp... | 03/04/2008 |
| 7322971 | Surgical drain with sensors for monitoring internal tissue condition by transmittance Devices and methods of using a surgical drain, and more particularly a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the surgical drain is placed. Modifications may... | 01/29/2008 |
| 7309313 | Vascular disease examining system and bypass vascular diagnosing device Disclosed are a vascular disease examination system capable of examining and diagnosing vascular diseases such as arterial obliteration by determining the feature quantities of blood flow velocity waveforms or blood pressure waveforms or blood flow rates, and a bypa... | 12/18/2007 |
| 7292887 | Apparatus and method for spatially and temporally distributing cardiac electrical stimulation A cardiac electro-stimulatory device and method for operating same in which stimulation pulses are distributed among a plurality of electrodes fixed at different sites of the myocardium in order to reduce myocardial hypertrophy brought about by repeated pacing at a ... | 11/06/2007 |
| 7287398 | Heating/cooling system for indwelling heat exchange catheter A cooling system for an indwelling heat exchange catheter includes a heat exchange bath that is configured to receive a conduit that carries saline to and from the catheter. A heating/cooling fluid is in the bath and exchanges heat with the saline. The heating/cooli... | 10/30/2007 |
| 7277907 | Method of setting a transfer function of an adaptive filter A method of setting a transfer function of an adaptive filter. The adaptive filter is used for processing an audio signal. The method includes setting a first, a second, and a third pole, setting a first zero without resting upon the audio signal. A real part of the... | 10/02/2007 |
| 7278002 | Method and system for reducing storage requirements for program code in a communication device A software routine that writes downloaded updated operating system software over existing application code to flash memory of a cable modem in an inverted arrangement. If the download process is interrupted before the update can be verified, a pointer still points t... | 10/02/2007 |
| 7270015 | Thermal pulsed ultrasonic flow sensor In thermal pulse flow measurements a relatively small bolus of flowing fluid is heated or cooled and the time required for the bolus to move downstream a known distance is measured. In many fluids, changing the temperature changes the acoustic transmission propertie... | 09/18/2007 |
| 7267671 | Surgical drain with sensors for monitoring fluid lumen Devices and methods of using a surgical drain, and more particularly to a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the surgical drain is placed. Modifications ... | 09/11/2007 |
| 7261696 | Method and apparatus for measuring cardiac output via an extracorporeal cardiopulmonary support circuit A method and apparatus for determining cardiac output in conjunction with flow through an extracorporeal circuit, wherein flow through an arterial line of the extracorporeal circuit is temporarily reversed and an indicator is passed through the cardiopulmonary circu... | 08/28/2007 |
| 7260433 | Subcutaneous cardiac stimulation device providing anti-tachycardia pacing therapy and method An implantable subcutaneous cardiac device includes at least two subcutaneous electrodes adapted for placement external to a heart beneath the skin of a patient. The device further includes an arrhythmia detector that detects a sustained tachyarrhythmia of the heart... | 08/21/2007 |
| 7254946 | Thermodilution catheter having a safe, flexible heating element A thermodilution catheter having a heating filament which is fabricated so as to be thin and flexible enough to avoid contact with the patient's blood. The heating filament is either inserted in a preformed catheter lumen, incorporated into a wall of the catheter bo... | 08/14/2007 |
| 7244251 | Implanted surgical drain with multiple sensing elements for monitoring internal tissue condition The present invention is directed to devices and methods of using a surgical drain, and more particularly to a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the sur... | 07/17/2007 |
| 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 |
| 7209780 | System and a computer program for the determination of quantities relating to the circulatory system of a patient A system for the determination of quantifies relating to the circulatory system of a patient including a device for the non-invasive measurement of the qualitative variation over time of the local concentration of an indicator injected into the blood circulation sys... | 04/24/2007 |
| 7200446 | Catheter leads for the intrathecal space and method of use Various stimulation catheters are disclosed to lie along and stimulate tissue in the intrathecal space. The electrodes on the leads are various sizes to conserve the battery as well as allowing a more defined area of stimulation. It may also include multiple channel... | 04/03/2007 |
| 7200440 | Cardiac cycle synchronized sampling of impedance signal A cardiac rhythm management device for obtaining transthoracic impedance. The device comprises a sensor for obtaining a signal indicative of an action of a heart, an impedance measurement circuit adapted to measure transthoracic impedance and a processor for utilizi... | 04/03/2007 |
| 7190996 | Monitor for early detection of ischemic heart disease A monitor for early detection of an ischemic heart disease of a patient has an impedance measurement unit including an electrode arrangement for measuring an intracardiac impedance and generating a corresponding impedance signal, a notch detector connected to the im... | 03/13/2007 |
| 7186222 | Vascular introducer with temperature monitoring probe and systems for endovascular temperature control An introducer sheath/temperature probe assembly that is insertable into a blood vessel of a human or veterinary patent to measure the temperature of blood flowing through that blood vessel. The introducer sheath/temperature probe assembly may be used in conjunction ... | 03/06/2007 |
| 7186220 | Implantable devices and methods using frequency-domain analysis of thoracic signal This document describes, among other things, systems, devices, and methods that use frequency domain analysis of a thoracic signal. One example uses frequency domain analysis for discriminating between different pulmonary physiological states. Examples of breathing ... | 03/06/2007 |
| 7186219 | Calibration of a doppler velocimeter for stroke volume determination Doppler Velocimetry is a widely used method for estimating stroke volume (SV). The accuracy and reliability of its measurement however, is dependant on a) the correct assessment of the aortic valve cross-sectional area (CSA), and b) the max... | 03/06/2007 |
| 7184809 | Pulse amplitude indexing method and apparatus The invention is method and apparatus for determining a physiological characteristic by detecting the intensity of light following tissue absorption at two wavelengths, estimating the pulse amplitude and indexing a calculated physiological characteristic to the esti... | 02/27/2007 |
| 7181260 | Apparatus and method for measuring myocardial oxygen consumption Disclosed is a pulmonary artery catheter (“PAC”) that is used in determining myocardial oxygen consumption. Myocardial oxygen consumption is of critical importance because decreased myocardial energy utilization during acute illness may lead to tissue hypoperfus... | 02/20/2007 |
