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| Number | Title | Issue Date |
| 8187198 | Rapid thermal detection of cardiac output change An improved system for measuring changes in blood flow, particularly in the context of an automatic arrhythmia treatment device. The system includes a heater, exposable to a bloodstream, a driver providing power to the heater, a temperature sensor, isolated from the... | 05/29/2012 |
| 8133185 | Catheter with common guide wire and indicator lumen A catheter for retrograde orientation in a blood flow is used to determine the blood flow rate by thermodilution measurements. The determination of the blood flow rate accommodates injectate induced thermal influences on a dilution thermal sensor, wherein the therma... | 03/13/2012 |
| 7922667 | Electromagnetic flow sensor device Disclosed herein is an electromagnetic flow sensor device for monitoring flow of fluid in a channel. The sensor device includes a first electrode to be disposed along the channel and in communication with the fluid, a second electrode to be disposed along the channe... | 04/12/2011 |
| 7753854 | Blood flow monitor with arterial and venous sensors A technique is disclosed for determining blood flow in a living body by changing the thermal energy level in the venous blood flow path and determining temperatures in both the venous and arterial blood flow paths. Blood flow is calculated as a function of the chang... | 07/13/2010 |
| 7549965 | Compensation method for thermodilution catheter having an injectate induced thermal effect in a blood flow measurement A catheter for retrograde orientation in a blood flow is used to determine the blood flow rate by thermodilution measurements. The determination of the blood flow rate accommodates injectate induced thermal influences on a dilution thermal sensor, wherein the therma... | 06/23/2009 |
| 7527598 | Blood flow monitor with venous and arterial sensors A technique is disclosed for determining blood flow in a living body by changing the thermal energy level in the venous blood flow path and determining temperatures in both the venous and arterial blood flow paths. Blood flow is calculated as a function of the chang... | 05/05/2009 |
| 7494470 | Analysis of metabolic gases by an implantable cardiac device for the assessment of cardiac output Analysis of metabolic gases by an implantable medical device allows the assessment of the status of a congestive heart failure patient by providing for the assessment of cardiac output. The present invention is directed to an implanted medical device configured to m... | 02/24/2009 |
| 7427265 | Endoluminal implant with therapeutic and diagnostic capability An apparatus includes an endoluminal implant, a RF coupling coil coupled to the endoluminal implant and a therapeutic transducer electrically coupled to the RF coupling coil and physically coupled to the endoluminal implant. The RF coupling coil supplies electrical ... | 09/23/2008 |
| 7400500 | Low-power compact computer A low-power compact computer comprises a processor having relatively low-power consumption, a supporting chipset having conventional power consumption, and a conventional random access memory storage circuit. ... | 07/15/2008 |
| 7360437 | Devices for evaluating material properties, and related processes A device for measuring at least one property of a material sample is disclosed. The device includes at least one sensor element which is formed by a direct-write technique. The device can be an instrument for measuring strain in the sample, or for measuring other pr... | 04/22/2008 |
| 7351214 | Steerable balloon catheter A steerable balloon catheter including a balloon catheter supported by a steerable guidewire having a deflectable distal tip. The guidewire comprises a longitudinal hypotube and a spring coil attached to the distal end of the hypotube and includes a longitudinally m... | 04/01/2008 |
| 7347826 | Packaging sensors for long term implant According to this technique of packaging a sensor device implantable in a living body so as to provide protection of the sensor device and to the living body itself, an electrical conductor of the sensor device is sealed in an insulating substrate extending between ... | 03/25/2008 |
| 7318838 | Smart textile vascular graft The smart textile vascular graft is used with an electrical control unit. The vascular graft includes a tube structure formed of a textile material. At least one active fiber is incorporated in the textile material. The active fiber provides electrical coupling ther... | 01/15/2008 |
| 7311724 | Method for controlling a patient's body temperature The present invention provides a method and apparatus for controlling the internal body temperature of a patient. According to the present invention, a catheter is inserted through an incision into a large blood vessel of a patient. By selectively heating or cooling... | 12/25/2007 |
| 7309867 | Methods and apparatus for characterization of tissue samples The invention provides methods for determining the probability that a given region of a tissue sample contains tissue of a given category, such as CIN 1 (cervical intraepithelial neoplasia, grade 1), CIN 2/3 (cervical intraepithelial neoplasia grades 2 and/or 3), no... | 12/18/2007 |
| 7304277 | Resonator with adjustable capacitor for medical device An apparatus, system and method of a resonator device with an adjustable capacitor for allowing the resonance frequency (F) of the resonator device to continue to be matched to the Larmor frequency of the MRI system. The resonator device includes an inductor coil, a... | 12/04/2007 |
| 7291123 | Joint for fluid transport lines for medical use The joint (36) comprises a tubular body (37) having two connecting zones (38, 39) each connected by an end to a tubular element (40) of a fluid transport line, giving continuity to passage of fluid. The tubular body is made of a mixture o... | 11/06/2007 |
| 7286983 | System and method for processing low signal-to-noise ratio signals A system and method for use in a real time system and for processing a signal with a low signal-to-noise ratio (SNR). The system comprises a model for modeling an expected signal and a filter that uses the model for filtering the signal. The filter is used for gener... | 10/23/2007 |
| 7279664 | Resonator for medical device A resonator device including an induction coil, a conductive member positioned adjacent the induction coil, and a dielectric layer between at least a portion of the induction coil and the conductive member to form a capacitor structure. In one embodiment, the conduc... | 10/09/2007 |
| 7278308 | Thermal isolation between heating and sensing for flow sensors A flow sensor system includes a plurality of flow sensor chips, wherein each flow sensor chip among the plurality of flow sensor chips comprises a substrate, a heater element, a heater control circuit, and flow sensor component formed on the substrate, wherein the h... | 10/09/2007 |
| 7270661 | Electrosurgical apparatus and methods for treatment and removal of tissue Apparatus and methods for ablating, severing, cutting, shrinking, coagulating, or otherwise modifying a target tissue to be treated. In a method for treating a target tissue, an active electrode of an electrosurgical probe is positioned in at least close proximity t... | 09/18/2007 |
| 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 |
| 7272425 | Pulse oximetry sensor including stored sensor data A pulse oximeter sensor may include reusable and disposable portions, and may include a connector adapted to electrically communicate with a physiological measurement instrument. Instrument port is in communication with the connector and provides communication with ... | 09/18/2007 |
| 7267651 | Method and apparatus for blood flow measurement using millimeter wave band A system and method that determines a blood flow rate in an area of a subject. The system includes a transmitter operable to transmit an electrical signal in the range of about 20 GHz to about 300 GHz to the area, a temperature sensor positioned adjacent the area, a... | 09/11/2007 |
| 7263398 | Apparatus for measuring intravascular blood flow Microwave apparatus for measuring the blood flow rate in a patient's blood vessel includes an intravascular catheter having proximal and distal ends and containing an inner coaxial cable forming a first antenna and an outer cable coaxial with the inner cable and for... | 08/28/2007 |
| 7249885 | Heat flux measuring device for pressure pipes, method for producing a measuring device, method for monitoring an operating state of a heat exchanger, heat exchanger and method for measuring a heat flux A measuring device for a heat exchanger includes a heat exchanger pressure pipe having a pipe wall with a circumference, and an indentation extending over and deforming a portion of the circumference. At least one thermocouple is disposed eccentrically in the portio... | 07/31/2007 |
| 7248910 | Physiological parameter monitoring system and sensor assembly for same A detachable sensor assembly for use in monitoring a physiological parameter of a subject includes an information containing circuit and a timer. The sensor assembly stores time varying information in the information containing circuit. The information may include c... | 07/24/2007 |
| 7211048 | System for monitoring conduit obstruction A system for non-invasively monitoring one or more physiological parameters such as pressure and/or pressure gradients in a cardiac conduit adapted for blood bypass flow. The system includes the conduit, at least one sensing device chronically located within the con... | 05/01/2007 |
| 7204808 | Apparatus, system and method for collecting non-invasive blood pressure readings An apparatus, system and method for collecting non-invasive blood pressure readings from a patient is provided. A non-invasive blood pressure cuff is arranged to be worn about a wrist of a patient and to be operatively connected to a blood pressure monitor. Communic... | 04/17/2007 |
| 7195598 | Method for determining the effectiveness of a medical therapy by analysis of collateral vessels In a method for determining the effectiveness of a therapy for alleviating a constriction in a blood vessel, the functioning of collateral vessels naturally formed at the constriction is analyzed. The analysis takes place by making a blood flow measurement at the ve... | 03/27/2007 |
| 7194910 | Digital output MEMS pressure sensor and method A method and pressure-sensor system provide a digital-frequency output linearly proportional to a sensed pressure. The system comprises a MEMS pressure-sensing element to provide a pressure-sensing output and voltage-to-frequency converter provide the digital-freque... | 03/27/2007 |
| 7192400 | Device and method for vascular monitoring A vascular coupler adapted to be fixed into position upon a blood vessel and there retain and position a matable sensing device. In a preferred embodiment, the vascular coupler is an anastomotic coupler and the sensing device comprises an ultrasonic Doppler probe. | 03/20/2007 |
| 7187810 | Methods and systems for correcting image misalignment The invention provides methods of determining a correction for a misalignment between at least two images in a sequence of images due at least in part to sample movement. The methods are applied, for example, in the processing and analysis of a sequence of images of... | 03/06/2007 |
| 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 |
| 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 |
| 7181927 | Primary heat exchanger for patient temperature control A system for exchanging heat with primary coolant flowing through an intravascular catheter or externally-applied pad to warm or cool a patient. A secondary heat transfer element can be engaged with a primary heat transfer element and is not grounded when the primar... | 02/27/2007 |
| 7175588 | Method and system for detecting ventricular collapse A pump system includes an implantable pump including a motor having a rotor and a stator. The stator includes a plurality of stator windings, and a motor controller is coupled to the motor to energize the windings so as cause the rotor to turn. A time-based system p... | 02/13/2007 |
| 7169111 | Multi-channel blind system identification for cardiovascular monitoring Multi-channel blind system identification is utilized to identify a patient's cardiac functions without catheterization. The approach is adaptive to each patient's cardiovascular system variations. The cardiac functions can be determined by formulating an auto-regre... | 01/30/2007 |
| 7160251 | Systems and methods for blood glucose sensing A system for measuring a glucose level in a blood sample includes a test strip and a meter. The test strip includes a sample chamber, a working electrode, a counter electrode, fill-detect electrodes, and an auto-on conductor. A reagent layer is disposed in the sampl... | 01/09/2007 |
| 7156868 | Heat transfer devices A catheter having a heat transfer device at or near its distal end, wherein the heat transfer device is layered or coated onto or into the catheter wall is described. The heat transfer device is preferably a flexible film having one or more electrical resistor flow ... | 01/02/2007 |
