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4130 results about "Pressure data" patented technology
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Ablation catheter with transducer for providing one or more of pressure, temperature and fluid flow data for use in controlling ablation therapy
A distal segment of a catheter shaft is adapted to be positioned against tissue in a biological organ. The distal segment has a tissue-contacting area intended to contact the tissue. One or more pressure sensors positioned within the tissue-contacting area provide pressure data indicative of the pressure exerted on the distal segment. The distal segment carries one or more electrodes and the pressure sensors are located either on an electrode or on the catheter shaft near an electrode. The pressure sensors provide pressure data to a processor that analyzes the data to determine if the tissue-contacting area of the distal segment is contacting the tissue. The pressure sensors may also provide temperature data indicative of the temperature at the sensor. A flow sensor, located opposite the pressure sensor on the shaft, provides data related to the flow rate of fluid through the organ.
Owner:CARDIAC PACEMAKERS INC
Method and system of emulating pressure sensitivity on a surface
InactiveUS20140168093A1Input/output processes for data processingApplication programming interfaceEngineering
A system and method for emulating pressure-sensitivity are presented. Embodiments of the present invention provide a novel solution to generate emulated pressure data in response to contact made with a touch sensitive device, in that embodiments of the present invention expose more information about the contact in the form of location information of the contact, surface area data associated with the contact at the time contact was made, as well as a surface area data and calculated rates of change between the surface areas touched over time. In response to the input received, an emulated pressure computation module may then produce emulated pressure data which may be received by applications operable to utilize pressure input through an application programming interface coupling these applications to the emulation pressure computation module.
Owner:NVIDIA CORP
Vascular blood pressure monitoring system with transdermal catheter and telemetry capability
InactiveUS20050197585A1Relieve stressEliminate needCatheterDiagnostic recording/measuringModem deviceData acquisition
Systems and methods for monitoring intravascular pressure of a patient. The system includes a pressure sensor and catheter assembly having a pressure sensor portion and a transdermal catheter portion. The transdermal catheter portion has a fluid filled lumen and a distal barrier to maintain patency. A transmitter unit may be connected to the pressure sensor portion via a lead. The transmitter unit transmits pressure data to a remote receiver unit that may communicate (directly or indirectly) with a cable management device, a data acquisition device, a monitoring instrument, a computer, a modem, a telecommunication line, a network, etc. In addition, the system may include means to correct for pressure variations due to any difference in elevation between the sensor assembly and the heart.
Owner:TRANSOMA MEDICAL
Pressure control method and processing device
InactiveUS20050176258A1Level of control performanceOptimize dataElectric discharge tubesSemiconductor/solid-state device manufacturingImage resolutionEngineering
First and second pressure sensors 132 and 134 that perform pressure detection over different pressure detection ranges from each other detect the pressure within a process chamber 102 of an etching device 100. A pressure controller 144 selects optimal pressure data in correspondence to the pressure inside the process chamber from the pressure data provided by the first and second pressure sensors 132 and 134. It also analyzes the selected pressure data at a resolution selected in correspondence to the pressure inside the process chamber 102 and thus obtains pressure data achieving a predetermined data density. The pressure controller 134 controls a pressure control valve 130 so as to ensure that the pressure data match preset pressure data.
Owner:TOKYO ELECTRON LTD
Non-invasive measurement of fluid pressure in an adjustable gastric band
A food intake restriction device for forming a restriction in a patient's gastro-intestinal tract and non-invasively communicating pressure data regarding the restriction to an external monitor. The device includes a food intake restriction device implanted substantially about a patient's gastro-intestinal tract to form a restricted opening in the tract. A port is connected to the restriction device. The port contains a working fluid for affecting the size of the restricted opening. A pressure sensing system communicates with the working fluid to measure the pressure of the working fluid. A transmitter communicates the measured fluid pressure to the external monitor.
Owner:ETHICON ENDO SURGERY INC
Flow diagnostic system
InactiveUS6907383B2Sampled-variable control systemsFlow control using electric meansMoving averageReal-time clock
A flow diagnostic system for a flow sensing element and impulse lines. A pressure transmitter coupled to the impulse lines provides digital pressure data to a control system. The control system provides the pressure data and real time clock readings to a diagnostic application. The diagnostic application calculates a difference between current pressure data and its moving average. A condition of the primary element or impulse lines is diagnosed from a current pressure data set relative to an historical data set. The diagnostic application is downloadable from an application service provider (ASP). The application can run on the control system, a remote computer or the ASP. A diagnostic report is preferably provided.
Owner:ROSEMOUNT INC
Method and apparatus for airway compensation control
ActiveUS20080091117A1Capacity remains stableRespiratorsOperating means/releasing devices for valvesForced expiratory vital capacityPulmonary compliance
A ventilator for ventilating a patient also assists a clinician in determining a suitable PEEP for the patient. For this purpose, a graph or tabular display of a series of different value PEEPs and corresponding functional residual capacities of the patient may be provided. Or, the relationship between lung compliance and a series of different values of PEEP may be provided. Or, the amount of the lung volume recruited / de-recruited at various levels of PEEP may be determined for use in selecting a desired PEEP. To this end, the functional residual capacity of the lungs is determined for a first PEEP level. The PEEP is then altered to a second level and a spirometry dynostatic curve of lung volume and pressure data is obtained. The lung volume on the dynostatic curve at a lung pressure corresponding to the first PEEP value is obtained. The difference between the functional residual capacity of the lungs at the first PEEP level and that determined from the dynostatic curve represents the lung volume recruited / de-recruited when changing between said first and second PEEPs.
Owner:GENERAL ELECTRIC CO
Method for preventing evacuation of plunger pump based on monitoring of output pressure
ActiveCN106438310AImprove protectionThe detection method is accuratePump testingPump controlData acquisitionEngineering
The invention relates to the technical field of monitoring of plunger pumps, in particular to a method for preventing evacuation of a plunger pump based on monitoring of the output pressure. The method relates to the plunger and an output pipeline, and is characterized in that a pressure data acquisition control device is arranged on the outlet pipeline; and a data processing method comprises the following steps that (1) the average value P0 of the output pressure is obtained, specifically, the output pressure setting tolerance delta P is set, the domain above a P0+delta P line is called a peak domain, and the domain below a P0-delta P line is called a valley domain; a peak domain counter A and a valley domain counter B are set correspondingly; the allowable difference value between the peak domain counter A and the valley domain counter B is the numerical value C; and an out-of-tolerance time counter D and an upper limit E are set; (2) pressure data Px is acquired; (3) abnormal data are removed; (4) the number of times of Px falling into the peak domain and the valley domain is calculated; and (5) whether the out-of-tolerance time D of the difference value between the peak domain counter A and the valley domain counter B exceeds a preset value E or not is judged, and if yes, an evacuation alarm is given out. Compared with a detection method in the prior art, the method is accurate and reliable, and false alarms are avoided.
Owner:JEREH OIL & GAS ENG
A method for preventing plunger pump from pumping out based on monitoring output pressure
ActiveCN106438310BImprove protectionThe detection method is accuratePump testingPump controlData acquisitionEngineering
Owner:JEREH OIL & GAS ENG
Transceiver unit in a pressure measurement system
Pressure measurement system comprising a pressure sensor wire with a pressure sensor to measure pressure inside a patient, and to provide measured pressure data to an external device. The pressure sensor wire is adapted to be connected, at its proximal end, to a transceiver unit that is adapted to wirelessly communicate via a communication signal with a communication unit arranged in connection with an external device, in order to transfer measured pressure data to the external device. The pressure data to be transferred is generated by the transceiver unit and transferred as a data stream. Preferably, the communication signal is a radio frequency signal.
Owner:ST JUDE MEDICAL COORDINATION CENT
Apparatus and method for identifying optimal PEEP
InactiveUS20070062532A1Quickly and easily determineSure easyRespiratorsOperating means/releasing devices for valvesForced expiratory vital capacityRadiology
A ventilator for ventilating a patient also assists a clinician in determining a suitable PEEP for the patient. For this purpose, a graph or tabular display of a series of different value PEEPs and corresponding functional residual capacities of the patient may be provided. Or, the amount of the lung volume recruited / de-recruited at various levels of PEEP may be determined for use in selecting a desired PEEP. To this end, the functional residual capacity of the lungs is determined for a first PEEP level. The PEEP is then altered to a second level and a spirometry dynostatic curve of lung volume and pressure data is obtained. The lung volume on the dynostatic curve at a lung pressure corresponding to the first PEEP value is obtained. The difference between the functional residual capacity of the lungs at the first PEEP level and that determined from the dynostatic curve represents the lung volume recruited / de-recruited when changing between said first and second PEEPs.
Owner:GENERAL ELECTRIC CO
Apparatus and method for identifying FRC and PEEP characteristics
InactiveUS20070062533A1Quickly and easily determineSure easyRespiratorsOperating means/releasing devices for valvesForced expiratory vital capacityPulmonary compliance
A ventilator for ventilating a patient also assists a clinician in determining a suitable PEEP for the patient. For this purpose, a graph or tabular display of a series of different value PEEPs and corresponding functional residual capacities of the patient may be provided. Or, the relationship between lung compliance and a series of different values of PEEP may be provided. Or, the amount of the lung volume recruited / de-recruited at various levels of PEEP may be determined for use in selecting a desired PEEP. To this end, the functional residual capacity of the lungs is determined for a first PEEP level. The PEEP is then altered to a second level and a spirometry dynostatic curve of lung volume and pressure data is obtained. The lung volume on the dynostatic curve at a lung pressure corresponding to the first PEEP value is obtained. The difference between the functional residual capacity of the lungs at the first PEEP level and that determined from the dynostatic curve represents the lung volume recruited / de-recruited when changing between said first and second PEEPs.
Owner:GENERAL ELECTRIC CO
Determining Postural Stability
ActiveUS20090260426A1Prevent fall and injuryStatic/dynamic balance measurementDiagnostic recording/measuringPostural stabilityPostural orientation
Owner:MASSACHUSETTS INST OF TECH +2
Workflow for processing streamer seismic data
ActiveUS20080049551A1Seismic signal processingSeismology for water-covered areasSeismic surveyWork flow
A method includes conditioning a set of multicomponent seismic data and sensor orientation data, the multicomponent seismic data including pressure data and particle motion data, acquired in a towed array, marine seismic survey; digital group forming the conditioned pressure data, a vertical particle motion component of the conditioned particle motion data, and the conditioned sensor orientation data; and summing the digitally group formed pressure data and the digitally group formed vertical particle motion component.
Owner:WESTERNGECO LLC
Bone probe apparatus and method of use
In one embodiment, an apparatus includes a probe configured to be percutaneously deployed within an interior portion of a bone structure. At least a portion of the probe is configured to contact a portion of the interior portion of the bone structure when the probe is actuated within the interior portion of the bone structure. The apparatus also includes a pressure indicator that is configured to provide pressure data associated with a pressure externally exerted on the probe when the probe is actuated within the interior portion of the bone structure. In some embodiments, the probe includes an expandable member. In some embodiments, the probe includes an expandable low-compliance balloon.
Owner:KYPHON
Device for non-invasive measurement of fluid pressure in an adjustable restriction device
A restriction system, such as an adjustable gastric band, for forming a restriction in a patient and non-invasively communicating pressure data regarding the restriction to an external monitor. The system includes a restriction device for implantation in a patient to form a restriction. The system further includes an implanted port connected to the restriction device. The port contains a working fluid for affecting the size of the restriction. The system further includes a pressure sensing system in communication with the working fluid for measuring the pressure of the working fluid and transmitting pressure measurement data to an external monitor.
Owner:ETHICON ENDO SURGERY INC
Pressure measurement system
Pressure measurement system, comprising a pressure detection device comprising a pressure sensor guidewire 5 provided with a pressure sensor connected to an electrical carrier for transmitting pressure data from the sensor to a processing means 1. The guidewire is adapted to be inserted into a vessel of a subject, and an image data capturing device for capturing image data representative of the vessel. The processing means 1 comprising a computer program product which comprises computer executable instructions for manipulating image data and pressure data to generate an output in which the pressure data is mapped onto a corresponding position on an image where that pressure data was detected to provide an integrated graphical image output on a monitoring means 2.
Owner:ST JUDE MEDICAL COORDINATION CENT
System and method for characterizing fractures in a subsurface reservoir
ActiveUS20100250216A1Fracture property can be optimizedElectric/magnetic detection for well-loggingGeomodellingPressure dataDynamic data
The disclosed methods, systems, and software are described to optimize fracture characteristics and simulate fluid flow rates in a well model. The well model, which includes at least one fracture intersecting a production well, is generated with static and dynamic data. Fluid flow in the well model is simulated to obtain simulated fluid flow rates between fractures and the well. Fracture properties, such as length, height and aperture, are then updated responsive to measured and simulated fluid flow rates. Multiple simulation runs and updating of the fracture properties can be performed until the simulated fluid flow rates converge with the measured fluid flow rates. Pressure data can be used to determine gridblock permeability, which in turn helps constrain the model, thus providing more reliable fracture properties. Uncertainty ranges of the fracture properties can also be calculated.
Owner:CHEVROU USA INC
Method for discriminating between operating conditions in medical pump
A method is disclosed for determining the operating condition of a medical pump based on data derived from a pressure sensor and a position sensor. The pressure sensor generates pressure data by sensing the force on the pumping element. The position sensor generates position data by tracking the pumping cycle and determining the position of the pumping element. The pump pressure data and pump position data are processed and the calculated results compared with a pre-determined threshold value to determine the operating condition of the pump. The three main types of operating conditions of concern are the following: normal condition, where liquid is present and no leaks exist in pumping chamber; leak condition, where liquid is present but a leak exists in the pumping chamber; and air stroke condition, where the chamber contains some air.
Owner:ABBOTT LAB INC
Atrioventricular delay adjustment
InactiveUS6882882B2Improved hemodynamic performanceMaintain performanceHeart defibrillatorsHeart stimulatorsAtrioventricular canalCardiac pacemaker electrode
In a system that includes a ventricular pacemaker, the system adjusts an atrioventricular delay to synchronize the onset of isovolumetric contraction with the completion of ventricular filling. The system adjusts the atrioventricular delay as a function of electrical and pressure data from the heart. The system further adjusts the atrioventricular delay as a function of measurements of the time interval between a cardiac occurrence such as a ventricular pace and the completion of ventricular filling. The system may also adjust the atrioventricular delay as a function of the heart rate.
Owner:MEDTRONIC INC
Intelligent Sport Shoe System
InactiveUS20110087445A1Improve efficiencyShorten the timeTime indicationPerson identificationEngineeringHandling system
The present invention is directed to a system for providing information to an athlete concerning the efficiency with which the athlete is using energy in moving relative to the ground or some other surface. In one embodiment, the system includes a plurality of pressure sensors that are associated with a shoe and generate pressure related data. The system further includes a processing system that processes the pressure data produced by the sensors to determine energy efficiency related information and make this information available to the wearer of the shoe so that the wearer can, if needed or desired, takes steps to improve their energy efficiency.
Owner:ALLUVIAL JOULES
Transceiver unit in a pressure measurement system
Pressure measurement system comprising a pressure sensor wire with a pressure sensor to measure pressure inside a patient, and to provide measured pressure data to an external device. The pressure sensor wire is adapted to be connected, at its proximal end, to a transceiver unit that is adapted to wirelessly communicate via a communication signal with a communication unit arranged in connection with an external device, in order to transfer measured pressure data to the external device. The pressure data to be transferred is generated by the transceiver unit and transferred as a data stream. Preferably, the communication signal is a radio frequency signal.
Owner:ST JUDE MEDICAL COORDINATION CENT
Steering control system based on pressure sensor and self-balancing bicycle thereof
InactiveCN103600799AImprove operating experienceImprove driving pleasureSteering deviceMotorcyclesControl systemSteering control
The invention provides a steering control system based on a pressure sensor. The steering control system comprises a pressure measuring assembly and a steering analyzing system which are connected. A self-balancing bicycle of the steering control system based on the pressure sensor is further provided and comprises a bicycle body and a steering control system and a central control assembly which are arranged on the bicycle body. The bicycle further comprises a front and rear dip angle measuring assembly. Bicycle body steering information of a user is judged by analyzing pressure data collected by the pressure measuring assembly. The steering control system based on the pressure sensor and the self-balancing bicycle are small in occupied space, the bicycle size is effectively reduced, two hands of an operator can be released, operation experience and riding pleasure of the self-balancing bicycle are improved, and steering of the bicycle is natural.
Owner:SHANGHAI JIAO TONG UNIV
Ultra-short-term wind power generation power forecasting system
ActiveCN102269124AWind motor controlClimate change adaptationNumerical weather predictionData acquisition
The invention provides an ultra-short term wind power station generated power forecasting system, which belongs to the technical field of automatic scheduling of wind power plants. The system comprises a real-time wind measurement data server, a numerical weather prediction server, a wind power station real-time operation server, an ultra-short term forecasting processing server and data acquiring equipment, wherein the numerical weather prediction server is used for acquiring weather prediction data of a near-earth layer at the position of a wind power station; the real-time wind measurementdata server is used for acquiring wind speed data, wind direction data, temperature data, air pressure data and humidity data at the position of a wind measurement tower; the wind power station real-time operation data server is used for acquiring the total generated power data of the wind power station; and the ultra-short term forecasting processing server is used for forecasting the total generated power data of the wind power station at the next moment. The system solves the technical problems that future generated power variation tendency cannot be tracked and multi-step forecasting accuracy is relatively low in the prior art.
Owner:内蒙古电力勘测设计院有限责任公司
Fuzzy-control-based internet of things intelligent irrigation and fertilization control method and system
ActiveCN104460582AReduce pollutionHigh control precisionProgramme total factory controlData acquisitionLimit value
The invention discloses a fuzzy-control-based internet of things intelligent irrigation and fertilization control method and system. The method comprises the first step of data collection and processing, wherein limiting values of the soil humidity, nutrients and pond water level and the irrigation and fertilization planning time are set and stored in a database according to the water demand regulation and a fertilization formula of crops, and collected soil temperature and humidity, soil nutrients, air temperature and humidity, air speed, rainfall, flow, pond water level and pipe network pressure data; the second step of intelligent control, wherein corresponding data are read from the database and an irrigation valve and a fertilization valve are intelligently controlled by the adoption of the fuzzy control algorithm and a water and fertilizer coupling mode, by comparing the current pond water level with the set limiting value of the pond water level, starting and stopping of a water pump are intelligently controlled, and the speed of the water pump is adjusted and controlled by a PID algorithm. The fuzzy-control-based internet of things intelligent irrigation and fertilization control method and system have the advantages of being good in performance, complete in function, high in expansibility, easy to operate and manage and the like, and intelligent management and control are achieved by the adoption of fuzzy control.
Owner:贵州省水利科学研究院 +1
Shoe or insole fitting navigation system
ActiveUS20090247909A1Accurate detectionFoot measurement devicesPerson identificationFoot solesFoot symptoms
The present invention presents a shoe or insole fitting navigation system which can determine bias in gravity center balance of foot sole accurately anytime, even when a foot sole pressure distribution has a defect part where a load can not be measured, and can select a foot-problem-care shoe or insole adequately.The present system includes: a set of foot sole pressure measuring sensors 20 for measuring foot sole pressure distributions; a set of TV cameras 30 for taking foot images; a processor 40; and a monitor screen 50. The present system acquires right and left foot sole pressure data by a foot sole pressure data acquisition section 41, acquires right and left foot images by a foot image acquisition section 42, computes a foot sole gravity center position of each foot by a foot sole gravity center position computing section 43, computes an outer dimension of each foot by an outer foot dimension computing section 44, and determines bias in gravity center balance of each foot accurately based on the foot sole gravity center position of each foot and the outer dimension of each foot by a gravity center balance determining section 45. In addition, the present system determines a foot abnormal symptom of each foot by a foot symptom determining section 46, and selects shoe or insole of each foot based on the determined bias in gravity center balance and the determined foot symptom by a shoe or insole selecting section 47.
Owner:COMFORT LAB
Surgical cassette
ActiveUS20070107490A1Easy to identifyTesting/calibration apparatusEye surgeryMagnetic tapeEngineering
A surgical system and cassette, the cassette having an identification method that is specific to the cassette. Suitable methods include bar coding or Radio Frequency Identification (“RFID”). Cassette information that may be encoded include features such as lot number and performance characteristics, such as pressure sensor calibration data, flow and pressure data and any other performance characteristics of the cassette captured during testing of the cassette at manufacture.
Owner:ALCON INC
Estimating petrophysical parameters and invasion profile using joint induction and pressure data inversion approach
ActiveUS20100185393A1Electric/magnetic detection for well-loggingSurveyRate of penetrationSegregation effect
Methods and related systems are described relating to an inversion approach for interpreting the geophysical electromagnetic data. The inversion can be constrained by using a multiphase fluid flow simulator (incorporating pressure data if available) which simulates the fluid flow process and calculates the spatial distribution of the water saturation and the salt concentration, which are in turn transformed into the formation conductivity using a resistivity-saturation formula. In this way, the inverted invasion profile is consistent with the fluid flow physics and moreover accounts for gravity segregation effects. Jointly with the pressure data, the inversion estimates a parametric one-dimensional distribution of permeability and porosity. The fluid flow volume is directly inverted from the fluid-flow-constrained inversion of the electromagnetic data. The approach is not limited by the traditional interpretation of the formation test, which is based on a single-phase model without taking into account invasion or assuming that the fluid, for example mud-filtrate, has been cleaned up from the formation testing zone. The joint inversion of the electromagnetic and pressure data provides for a more reliable interpretation of formation permeability. One advantage of the approaches described herein, is its possible generalization to three-dimensional geometries, for example dipping beds and highly deviated wells.
Owner:SCHLUMBERGER TECH CORP
Workflow for processing streamer seismic data
A method includes conditioning a set of multicomponent seismic data and sensor orientation data, the multicomponent seismic data including pressure data and particle motion data, acquired in a towed array, marine seismic survey; digital group forming the conditioned pressure data, a vertical particle motion component of the conditioned particle motion data, and the conditioned sensor orientation data; and summing the digitally group formed pressure data and the digitally group formed vertical particle motion component.
Owner:WESTERNGECO LLC
Intelligent sport shoe system
InactiveUS8467979B2Improve efficiencyShorten the timeTime indicationSynchronous motors for clocksEngineeringPressure data
Owner:ALLUVIAL JOULES
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