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241 results about "Ultrasonic monitoring" patented technology

Medical devices with enhanced ultrasonic visibilty

A medical device having enhanced ultrasonic visibility is provided. The device permits localized drug delivery, probe positioning, fluid drainage, biopsy, or ultrasound pulse delivery, through the real-time ultrasound monitoring of the needle tip position within a patient. The device permits controlled dispersion of a drug into solid tissue, the lodging of particles into solid tissue, and drug delivery into specific blood vessels. As a needle is inserted, a fluid that contrasts echogenically with the organ environment is injected into the patient. The fluid travels a brief distance before being slowed and stopped by the patient's tissue and this fluid flow will be detectable by ultrasound. The needle position during insertion will be monitored using ultrasound until it is at the desired point of action. A therapeutic drug is then delivered or a probe inserted
Owner:ARTENGA

Multiple sensor ultrasonic monitoring device

InactiveUS6220098B1High thermal and ultrasonic conductivityMinimize intrinsic thermal time constantVibration measurement in solidsMachine part testingHand heldMultiple sensor
An ultrasonic monitoring apparatus is provided for use by an operator in detecting ultrasonic vibrations and sound waves. The ultrasonic monitoring apparatus consists of a hand held device with a sensor socket that allows a variety of different types of sensors to be interchangeably installed in the hand held device. These sensors include both contact and airborne ultrasonic sensors as well as a combination temperature and ultrasonic sensor that allows the operator to simultaneously monitor the surface temperature of an object and the ultrasonic vibrations produced by the object. Identification information corresponding to the type of sensor is encoded on the individual sensors. The identification information is read by an identification circuit located in the hand held device. This identification information allows the hand held device to configure itself to operate with the type of sensor installed in the socket.
Owner:COMPUTATIONAL SYST

Digital ultrasonic monitoring system and method

A portable digital ultrasonic monitoring system and method for use by an operator in detecting the ultrasonic waves and temperature variations produced by sources such as leaks in pipes, arcing, electrical corona and machinery defects is provided. The digital ultrasonic monitoring system includes a microprocessor based system in a hand held elongate housing that digitally analyzes and stores information received from its sensors. The digital ultrasonic monitoring system provides a referenced decibel output reading of the signal strength of the received ultrasonic signals. In addition, a heterodyned type audio signal that is related to the sensed ultrasonic signals is provided to the operator through a pair of headphones. The portable device has user input keys that allow the operator to select from a variety of different operating modes. A display displays a variety of different readings depending upon the operating mode of the device.
Owner:COMPUTATIONAL SYST

Ultrasonic monitor for measuring heart rate and blood flow rate

The invention provides an ultrasonic monitor for measuring pulse rate values in a living subject, including a module with at least one source of ultrasonic energy, a gel pad comprised of a polymer and from about 50 to about 95% by weight of an ultrasound conductive diluent, wherein the gel pad is positioned in direct contact between the module and the living subject; an ultrasonic energy detector and associated hardware and software for detecting, calculating and displaying a readout of the measured rate values.
Owner:SALUTRON

Ultrasonic in-process monitoring and feedback of resistance spot weld quality

A method and apparatus for ultrasonic in-process monitoring and feedback of resistance spot weld quality uses at least one transducer located in the electrode assembly transmitting through a weld tip into an underway weld. Analysis of the spectrum of ultrasonic waves provides the operator with an indication of the size, thickness, location, dynamics of formation and quality of the spot weld. The method presents a fundamentally new physical approach to the characterization of the spot weld quality. Together with transmission mode it includes new modes of operation of ultrasonic probes such as a reflection mode and simultaneous use of transmission and reflection modes, and a new physical interpretation of the signal analysis results.
Owner:CHRYSLER GROUP LLC +1

Ultrasound monitoring systems, methods and components

Ultrasound monitoring systems and components used in ultrasound monitoring systems, such as Transcranial Dopper (TCD) systems, are disclosed. Components include framework systems for mounting, locating and maintaining one or more ultrasound probes in contact with an anatomical surface, adjustable probe mounting systems, and probe interface components providing an acoustically transmissive interface between a probe mounting system and the emissive face of the ultrasound probe.
Owner:PHYSIOSONICS

Ultrasonic monitor of material composition and particle size

A method and apparatus for determining the composition of a containerized material, typically a suspension, through which ultrasonic waves are passed. The component ratios and particle sizes of a stationary or flowing material are determined by measuring ultrasonic wave phase and attenuation changes at multiple frequencies and deriving shape features from curves of the phase or attenuation versus frequency. Preferably, the frequency range employed extends below and above the frequency of maximum attenuation of the expected mean particle size in a suspension. The material composition is derived from analysis of the shape features of the derived curves.
Owner:APPLIED SONICS

Non-contact Biometric Monitor

A non-contact system utilizing an air-propagated ultrasound for monitoring biometric parameters is disclosed. A non-contact sensor transmits an ultrasonic wave toward a subject. The wave is reflected by the subject's skin surface back toward the sensor. Electronics in the sensor measure the small changes in displacement of the skin surface to derive a plurality of biometric parameters, including but not limited to respiration rate, heart rate, eye motion, and limb movement.
Owner:SUMMIT INDS

Monitoring or imaging system with interconnect structure for large area sensor array

An ultrasonic monitoring system is formed with a probe unit. In one example an array of transducer cells is arranged in rows and columns formed along a first plane with a first pitch along a first direction. An integrated circuit including an array of circuit cells is formed along a second plane parallel to the first plane. The circuit cells are spaced apart along the first direction at a second pitch smaller than the first pitch. A first of the transducer cells is vertically aligned, along a direction normal to one of the planes, with a first of the circuit cells and having a connection thereto. A second of the transducer cells is offset from vertical alignment with respect to the position of a second circuit cell so as to not overlie the second circuit cell. A connection subsystem is positioned between the array of transducer cells and the array of circuit cells, configured to form connection of the first transducer cell to the first circuit cell and connection of the second transducer cell with the second circuit cell.
Owner:GENERAL ELECTRIC CO

Ultrasonic oil/water tank level monitor having wireless transmission means

An ultrasonic monitor to measure the level of a fluid (e.g., oil or water) within a storage tank. The ultrasonic monitor is surrounded by a gas-tight, explosion-proof casing that is coupled to the top of the tank so that the acoustic axis of a (e.g., 59 KHz) ultrasonic transducer is directed downwardly towards the surface of the fluid. The ultrasonic transducer is encased within a protective (e.g., Delrin) housing so as to resist the hostile (e.g., acidic, gaseous vapors and extreme temperature) conditions within the tank. A main CPU is interconnected between the ultrasonic transducer and an RF transceiver having an antenna from which fluid level data calculated by the main CPU can be transmitted over a wireless communication path. A reference rod having at least one acoustic reflector located at a known distance therealong extends downwardly from the housing of the ultrasonic transducer towards the surface of the fluid. The main CPU is responsive to the time of flight between incident signals generated by the acoustic transducer and return and echo signals reflected off the surface of the fluid and the acoustic reflector for calculating the corresponding distance between the fluid and the transducer. The main CPU is adapted to adjust the time of flight to compensate for errors introduced by the environment (e.g, gas vapors, pressure, etc.) of the tank depending upon the echo signal that is reflected to the acoustic transducer by the reflector of the reference rod.
Owner:OLEUMTECH CORP

Gel pad for use with an ultrasonic monitor

An ultrasonic monitor implemented on a PCB includes a gel pad comprised of a gel layer and a membrane layer. Ultrasonic signals are transmitted between the ultrasonic monitor and a living subject through the gel pad. An air gap is formed in the PCB underneath transducer elements to provide for more efficient signal transmission. These features provide for a low power, low cost, more efficient ultrasonic monitor. The entire ultrasonic monitor may be encapsulated in plastic, a gel, or both to provide water resistant properties.
Owner:SALUTRON

Ultrasonic monitor with an adhesive member

An ultrasonic monitor implemented on a PCB includes a transmission medium. The transmission medium may be biocompatible and include an adhesive member, an oil-based transmission medium, a gel pad, or a combination thereof. Ultrasonic signals are transmitted between the ultrasonic monitor and a living subject through the transmission medium. An air gap is formed in the PCB underneath transducer elements to provide for more efficient signal transmission. The entire ultrasonic monitor may be encapsulated in plastic, a transmission medium, or both to provide water resistant properties.
Owner:SALUTRON

Partial discharge detecting system and method for high voltage switch cabinet

InactiveCN103454564AAvoid the disadvantages of narrow detection range, which is not conducive to the analysis of discharge informationTesting dielectric strengthEngineeringUltrahigh frequency
The invention discloses a partial discharge detecting system and method for a high voltage switch cabinet, and on-line monitoring is conducted on the intelligent high voltage switch cabinet through an acoustoelectric joint on-line monitoring system based on the information fusion technology by joint adoption of an ultrasonic monitoring method and an ultrahigh frequency monitoring method. According to the partial discharge detecting system and method for the high voltage switch cabinet, the advantages of the ultrasonic monitoring method and the ultrahigh frequency monitoring method are integrated, information fusion of a characteristic layer and a strategy layer is conducted on a discharge signal obtained through the information fusion technology, and fault diagnosis is conducted on the fused discharge information. Insulation faults and discharge situations in the intelligent high voltage switch cabinet are found in time through on-line monitoring, so that safe operation of an intelligent power grid is ensured. The partial discharge detecting system and method for the high voltage switch cabinet solve the problems in the prior art that the ultrasonic detecting range is narrow and is not favorable for analysis of the discharge information, a detecting device cannot display the discharge information on site and is not favorable for overhaul and maintenance of the working personnel, and the detecting device does not have the fault signal mode identifying function and cannot judge the situation that an interference signal causes a false alarm.
Owner:JIANGSU UNIV OF SCI & TECH

Continuous ultrasonic monitoring

A system for continuous ultrasonic monitoring includes an ultrasound transducer. The ultrasound transducer includes an array of ultrasonic transducer elements. The ultrasonic transducer elements are operable to steer and focus an ultrasound beam to a selectable location and to receive an ultrasound signal from the selectable location. A holder is provided for holding the ultrasound transducer, the holder being attachable to a skin surface of a patient. A controller is configured to repeatedly steer and focus the ultrasound beam to identify a target section of an object inside the body of the patient and to acquire an ultrasound image such that the target section is maintained within the acquired ultrasound image.
Owner:HEMONITOR MEDICAL LTD

Earthquake predicting and pre-warning system based on ground source ultrasonic wave monitoring and analysis

The invention relates to an earthquake predicting and pre-warning system based on ground source ultrasonic wave monitoring and analysis. Earthquake is one of the most serious disasters facing human, which is the most difficult to predict and high in burstiness and is probable to cause the most serious human and animal casualties and highest property loss. Historically, man can only monitor other than predict the earthquake. Forecasting and predicting the earthquake is a major problem facing the world and has not been broken through. The earthquake predicting and pre-warning system based on ground source ultrasonic wave monitoring and analysis comprises a signal acquiring system, a signal processing system and a predicting and pre-warning system, which are sequentially connected. Relatively enough reaction time for predicting and pre-warning the earthquake is provided, ultrasonic waves are converted into the audible sound waves for man in real time, and then a direct way for sensing ground source ultrasonic waves by man is established. The system is high in data relevance and reliability. The acceptability of a prediction conclusion is high.
Owner:朱江

No-parking vehicle weight information collection and matching system and method

ActiveCN105160888AOvercome the problems of large construction volume and slow traffic speedOvercome the problem of poor compatibilityDetection of traffic movementInformation processingTraffic flow
Aiming at defects of an existing measuring technology, the invention provides a no-parking vehicle weight information collection and matching system and method. The system comprises a lane vehicle weight information monitoring module, a tyre identification module, an ultrasonic monitoring module and an information processing module. The method comprises ten steps. The no-parking vehicle weight information collection and matching system and method has the advantages that the hardware environment aiming at multiple lanes is provided, all modules are combined and configured reasonably, and the problems in the prior art that a vehicle needs to be led to an individual lane, the construction amount is large, and the traffic flow speed is low are overcome.
Owner:HEFEI UNIV OF TECH +1

Ultrasonic oil/water tank level monitor having wireless transmission means

An ultrasonic monitor to measure the level of a fluid (e.g., oil or water) within a storage tank. The ultrasonic monitor is surrounded by a gas-tight, explosion-proof casing that is coupled to the top of the tank so that the acoustic axis of a (e.g., 59 KHz) ultrasonic transducer is directed downwardly towards the surface of the fluid. The ultrasonic transducer is encased within a protective (e.g., Delrin) housing so as to resist the hostile (e.g., acidic, gaseous vapors and extreme temperature) conditions within the tank. A main CPU is interconnected between the ultrasonic transducer and an RF transceiver having an antenna from which fluid level data calculated by the main CPU can be transmitted over a wireless communication path. A reference rod having at least one acoustic reflector located at a known distance therealong extends downwardly from the housing of the ultrasonic transducer towards the surface of the fluid. The main CPU is responsive to the time of flight between incident signals generated by the acoustic transducer and return and echo signals reflected off the surface of the fluid and the acoustic reflector for calculating the corresponding distance between the fluid and the transducer. The main CPU is adapted to adjust the time of flight to compensate for errors introduced by the environment (e.g, gas vapors, pressure, etc.) of the tank depending upon the echo signal that is reflected to the acoustic transducer by the reflector of the reference rod.
Owner:OLEUMTECH CORP

Sample sealing device and method for testing active and passive real-time acoustic waves in rock breaking process

PendingCN109459318AObtaining damage and degradation location informationOvercoming the disadvantages of testing the speed of sound aloneMaterial strength using tensile/compressive forcesEngineeringRock sample
The invention provides a sample sealing device and method for testing active and passive real-time acoustic waves in the rock breaking process, and belongs to the technical field of rock breaking testing. The sample sealing device comprises a load application module, a displacement monitoring module, a load ultrasonic monitoring module and an acoustic emission monitoring and positioning module; the load application module comprises a rigid cushion block and a triaxial electro-hydraulic servo tester; the displacement monitoring module comprises a longitudinal extensometer upper clamp, a longitudinal extensometer lower clamp, extensometer helical wires, extensometer helical wire sleeves, a longitudinal extensometer circular hoop ring and miniature screws; and the load ultrasonic monitoring module comprises ultrasonic probes and U-shaped ultrasonic probes, and the acoustic emission monitoring and positioning module comprises an acoustic emission sensor and an acoustic emission clamping device. According to the sample sealing device, a rock sample is subjected to real-time ultrasonic testing through an acoustic wave instrument and the six ultrasonic probes, rock acoustic emission damage parameters are obtained through an acoustic emission acquisition instrument and eight acoustic emission probes, and the sample sealing device has high laboratory guiding significance.
Owner:UNIV OF SCI & TECH BEIJING

Ultrasonic method of monitoring particle size distribution of a medium

The present invention provides embodiments relating to novel methods for determining, monitoring or detecting particle size distribution of a medium. In a preferred embodiment, the method comprises comparing a measured ultrasound attenuation spectrum of the medium with a calculated attenuation spectrum, where the calculated attenuation spectrum is obtained by accounting for the scattering of ultrasound waves into the receiver. The methods of the present invention can be used to determine particle size distribution in a dense suspension of particles in the intermediate wavelength regime. In other aspects, methods of the present invention may also be used to monitor changes in particle size distribution, infer the shape of particles, provide feedback to a process involving a change in particle size, and determine the completion of a dissolution process.
Owner:UNIV OF WESTERN ONTARIO

Ultrasonic monitoring sensor for corrosion of steel bar in concrete and application method of sensor

The invention relates to an ultrasonic monitoring sensor for the corrosion of a steel bar in concrete. The ultrasonic monitoring sensor is characterized by being provided with a steel bar (1), wherein a piezoelectric ceramic column (2) for transmitting is arranged at one end of the steel bar (1) and is used for transmitting ultrasonic waves; a piezoelectric ceramic column (3) for receiving is arranged at the other end of the steel bar (1) and is used for receiving the ultrasonic waves; the axial directions of the piezoelectric ceramic column (2) and the piezoelectric ceramic column (3) are the same as the axial direction of the steel bar; the piezoelectric ceramic column (2) for transmitting and the piezoelectric ceramic column (3) for receiving are provided with a shielding lead wire (4) for transmitting and a shielding lead wire (5) for receiving, respectively; the shielding lead wire (4) for transmitting and the shielding lead wire (5) for receiving are externally provided with a resin insulating layer (6) and a shielding layer (7), respectively; in the use process, the sensor is buried into the concrete during construction; the shielding lead wire (4) for transmitting is connected with a signal generator (8) to generate the ultrasonic waves and the shielding lead wire (5) for receiving is connected with a signal receiver (9) to receive the ultrasonic waves; the corrosion condition of the steel bar in the concrete (10) is monitored according to the change of received ultrasonic wave signals.
Owner:UNIV OF JINAN

Intelligent infusion control method based on ultrasonic monitoring

InactiveCN105999474AImprove securityFacilitate targeted treatmentMedical devicesFlow monitorsLiquid ChangeFlow diverter
The invention provides an intelligent infusion control method based on ultrasonic monitoring. The intelligent infusion control method based on ultrasonic monitoring comprises the following steps: 1, inputting preset flow rate on a panel controller by a nurse according to the age and physical condition of a patient; 2, preparing liquid medicine according to the prescription of a doctor and the infusion sequence, sequentially placing infusion bottles (2) on an automatic liquid change bracket according to the infusion sequence, selecting a suitable delivery pipe according to the needed number of infusion bottles, wherein a flow dividing device having different branching parts and arranged according to the demand is arranged on the delivery pipe; 3, placing clamps (3) on infusion pipelines I (4); 4, arranging an automatic speed controller (6) on an infusion pipeline II (5) in a penetrating manner; 5, placing a blood return warning device (7); and 6, opening an infusion button on a control panel. With the adoption of the method, the infusion flow rate can be automatically adjusted, and the liquid medicine can be automatically changed, thus the working strength of the nurse can be alleviated, the work efficiency can be improved, and the safety performance is high.
Owner:袁国珍

Ultrasonic monitoring nursing table for pediatric surgical operation

The invention relates to an ultrasonic monitoring nursing table for a pediatric surgical operation, and belongs to the technical field of medical instruments. The ultrasonic monitoring nursing table comprises a bottom supporting table body. Supporting leg fixing devices are arranged under the bottom supporting table body. Rotary supporting legs are arranged under the supporting leg fixing devices. Pulley fixing devices are arranged under the rotary supporting legs. Brake devices are arranged on the left sides of the pulley fixing devices. Movable pulleys are arranged under the pulley fixing devices. A power line output opening is formed in the left side of the bottom supporting table body. A power line is arranged on the left side of the power line output opening. A power plug is arranged on the lower portion of the power line. The ultrasonic monitoring nursing table is simple in structure and convenient to operate, can be used for comprehensively nursing a child when the surgical operation is conducted, the pain of the patient is relieved, the rehabilitation effect is improved, and the work load of medical staff is lightened.
Owner:张秋霞

Ultrasonic monitor device of net cage fish culture biomass evaluation

InactiveCN101726740AReal-time monitoring of water body rangeAcoustic wave reradiationTransceiverTreatment results
The invention discloses an ultrasonic monitor device of net cage fish culture biomass evaluation. An ultrasonic transducer emits ultrasonic probe pulse signals to cultured fishes in a net cage and receives reflection ultrasonic pulse signals of the cultured fishes in the net cage; and the reflection ultrasonic pulse signals are processed through an ultrasonic transceiver and a signal processing device, therefore, the invention realizes real-time monitor to a water range in the net cage, reflects the condition of the cultured fishes in the net cage, carries out biomass evaluation, displays a treatment result through a display device and realizes the purpose of the invention.
Owner:FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI +1

Ultrasonic monitor for measuring blood flow and pulse rates

An ultrasonic monitor implemented on a PCB includes a gel pad comprised of a gel layer and a membrane layer. Ultrasonic signals are transmitted between the ultrasonic monitor and a living subject through the gel pad. An air gap is formed in the PCB underneath transducer elements to provide for more efficient signal transmission. These features provide for a low power, low cost, more efficient ultrasonic monitor. The entire ultrasonic monitor may be encapsulated in plastic, a gel, or both to provide water resistant properties.
Owner:SALUTRON

Ultrasonic monitoring device for measuring physiological parameters of a mammal

An ultrasonic monitoring device includes a substrate, a plurality of ultrasonic transducer elements, a computer readable memory medium, a microprocessor, and a power source. The ultrasonic transducer elements are coupled to the substrate. Each ultrasonic transducer element is separately configured to transmit a signal to a target area of a mammal and to receive an echo return signal from the target area. The computer readable memory medium includes program instructions. The microprocessor is coupled to the ultrasonic transducer elements and to the computer readable memory medium for executing the program instructions to determine a physiological parameter of the mammal based on a combined analysis of the echo return signals received by the ultrasonic transducer elements. The power source is coupled to at least one of the ultrasonic transducer elements, the computer readable memory medium, or the microprocessor for supplying electrical energy.
Owner:ICU MEDICAL INC

Ultrasonic monitor for a bioreactor

A method and apparatus for monitoring the state of a microbiological or animal cell culture, or other bioprocess wherein the attenuation and in some embodiments, the speed of an ultrasonic wave passed through the culture is used to determine viscous and viscoelastic properties of the culture medium.
Owner:BIOINNOVEL
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