|| List of recent Ultrasonic-related patents
| Ultrasonic surgical instruments|
In one general aspect, various embodiments are directed to an ultrasonic surgical instrument that comprises a transducer configured to produce vibrations along a longitudinal axis at a predetermined frequency. In various embodiments, an ultrasonic blade extends along the longitudinal axis and is coupled to the transducer.
| Actuation mechanism for use with an ultrasonic surgical instrument|
An ultrasonic clamp coagulator assembly that is configured to permit selective cutting, coagulation and clamping of tissue during surgical procedures. An elongated portion of the instrument can be configured for endoscopic applications and has an outside diameter of less than 6 mm.
| Thrombolysis in retinal vessels with ultrasound|
Systems and methods are described providing for the use of ultrasound energy to effect the dislodging of one or more blood clots inside blood vessels. Such clots can include those inside retinal vessels, especially in patients with central retinal vein occlusion.
| Delta delay approach for ultrasound beamforming on an asic|
Systems are disclosed for ultrasound beamforming on an application specific integrated circuit (asic). In certain embodiments, the system includes an ultrasound probe that includes a plurality of transducer elements electrically coupled to an asic.
| Tissue site markers for in vivo imaging|
The invention is directed biopsy site markers and methods of marking a biopsy site, so that the location of the biopsy cavity is readily visible by conventional imaging methods, particularly by ultrasonic imaging. The biopsy site markers of the invention have high ultrasound reflectivity, presenting a substantial acoustic signature from a small marker, so as to avoid obscuring diagnostic tissue features in subsequent imaging studies, and can be readily distinguished from biological features.
| Structure of simplified inflation valve|
A simplified inflation valve includes a base forming centrally a bore. The bore has a bottom to which a pu membrane is attached.
| Sound reproduction device|
Provided is a sound reproduction device including a loudspeaker and a superdirective speaker. The loudspeaker is configured so that a sound pressure of audible sound produced therefrom decreases as the sound travels farther away from the loudspeaker.
| Ultrasound probe diagnosing system and method for diagnosing ultrasound probe|
An ultrasound probe diagnosing apparatus for diagnosing an ultrasound probe having a probe head comprising a plurality of transducer elements is disclosed. The ultrasound probe diagnosing apparatus includes a reflective interface configured to reflect ultrasonic signals transmitted from a transducer element of the plurality of transducer elements.
| Ultrasonic transducer device, head unit, probe, and ultrasonic imaging apparatus|
An ultrasonic transducer device includes an ultrasonic transducer element array, a first signal terminal, and a second signal terminal. The ultrasonic transducer element array has a 1st element group to a kth element group (where k is a natural number such that k≧2).
| Ultrasonic transducer device, head unit, probe, and ultrasonic imaging apparatus|
An ultrasonic transducer device includes an ultrasonic transducer element array, a first signal terminal and a second signal terminal. The ultrasonic transducer element array has a 1st element group to a kth element group (where k is a natural number such that k≧2).
| Ultrasonic transducer device, ultrasonic measurement apparatus, head unit, probe, and ultrasonic imaging apparatus|
An ultrasonic transducer device includes an ultrasonic element array and a common electrode wiring. The ultrasonic element array has three ultrasonic element rows with each of the three ultrasonic element rows including a plurality of ultrasonic elements arranged along a first direction and electrically connected to each other.
| Liquid ejecting head, liquid ejecting apparatus, piezoelectric element, and ultrasonic sensor|
A liquid ejecting head which includes a piezoelectric element which includes a first electrode, a piezoelectric layer which is provided on the first electrode, and on which a plurality of piezoelectric films are laminated, a second electrode which is provided on the piezoelectric layer, and a plurality of active units which are interposed between the first electrode and the second electrode, and a pressure generating chamber which communicates with nozzle openings which eject liquid, and in which a pressure fluctuation is generated by the piezoelectric element, in which a plurality of grooves with inner faces facing the first electrode side are formed on a side surface of the piezoelectric layer on each interface of each of the piezoelectric films along a first direction and a second direction which cross a third direction which goes from the first electrode to the second electrode.. .
| Capacitive micromachined ultrasound transducers with pressurized cavities|
A capacitive micromachined ultrasonic transducer (cmut) is provided that includes a substrate, a bottom conductive layer disposed on a bottom surface of the substrate, a cavity disposed into a top surface of the substrate, a nonconductive layer disposed on the substrate top surface and on the cavity, a cmut plate disposed on the nonconductive layer and across the cavity, a top conductive layer disposed on a top surface of the cmut plate, a pressure control via that spans from the cavity to an ambient environment, and an active pressure controller connected to the pressure control via, wherein the active pressure controller is capable of actively varying a pressure differential across the cmut plate.. .
| Capacitive micromachined ultrasonic transducer (cmut) device with through-substrate via (tsv)|
A capacitive micromachined ultrasonic transducer (cmut) device includes at least one cmut cell including a first substrate having a top side including a patterned dielectric layer thereon including a thick and a thin dielectric region. A membrane layer is bonded on the thick dielectric region and over the thin dielectric region to provide a movable membrane over a micro-electro-mechanical system (mems) cavity.
| Capacitive micromachined ultrasonic transducer (cmut) with through-substrate via (tsv) substrate plug|
A capacitive micromachined ultrasonic transducer (cmut) device includes at least one cmut cell including a first substrate of a single crystal material having a top side including a patterned dielectric layer thereon including a thick and a thin dielectric region, and a through-substrate via (tsv) extending a full thickness of the first substrate. The tsv is formed of the single crystal material, is electrically isolated by isolation regions in the single crystal material, and is positioned under a top side contact area of the first substrate.
| Ultrasonic collet horn for ultrasonic welder|
An ultrasonic collet horn for an ultrasonic welder has a body and a collet over which a replaceable horn tip is receivable. The collet has a plurality of axial slits therein that divide the collet into sections and a tapered axially extending bore that tapers outwardly as it extends axially outwardly.
| Simultaneous multi-mode gas activation degassing device for casting ultraclean high-purity metals and alloys|
An “in-line” device to continuously remove dissolved gasses from liquid metal is described. The device described herein may contain an apparatus to create a partial vacuum, one or more ultrasonic vibrators below the surface of the liquid metal to evolve gas bubbles within the metal, and a high-frequency vibrating metal plate which the fluid must pass over at a low depth.
| Ultrasonic flow metering with laminar to turbulent transition flow control|
Apparatus and method for ultrasonic flow metering of viscous fluids. In one embodiment, an ultrasonic flow metering system includes an ultrasonic flow meter, a flow conditioner, and a reducer.
| Scanning method and apparatus|
A method of assessing the condition of a tubular member comprises driving an ultrasonic probe to fire a short pulse ultrasonic beam at the outer surface of the tubular member and analysing the reflected signals from the tubular member to assess the condition of the tubular member. The apparatus comprises an ultrasonic probe (22), means for driving the probe to fire a short pulse ultrasonic beam at the outer surface of the tubular member and means for converting the reflected ultrasonic beam into image signals which can be analysed to assess the condition of the tubular member..
| Method for controlling an ultrasonic sensor and ultrasonic sensor|
An ultrasonic sensor has: a diaphragm that includes at least two partial regions for emitting and/or receiving ultrasonic signals, the two partial regions possessing different resonance characteristics; and at least one electromechanical transducer coupled to the diaphragm, to which transducer a control signal having at least two different control signal frequencies is applied. In this context, a first control signal frequency is in the range of a resonant frequency of a first partial region of the diaphragm, and a second control signal frequency is in the range of a resonant frequency of a second partial region of the diaphragm.
| Ultrasonic system for measuring both flow rate and concentration|
Disclosed is an ultrasonic system for measuring both a flow rate and a concentration including: a transmission ultrasonic sensor which is attached to an outer wall of a pipe and which transmits an ultrasonic signal, a concentration-metering ultrasonic sensor which is attached to the opposite outer wall of the pipe and receives the ultrasonic signal that has passed through the wall of the pipe, flow-metering sensors which are attached to the opposite wall of the pipe and receive ultrasonic signals transmitted by the transmission ultrasonic sensor at different points in time, and a unified signal processor which measures a concentration and a total amount of suspended solids according to the intensities of the ultrasonic signals received by the sensors, and measures a flow rate of a fluid using a difference in transit time through a medium.. .
| Clamp-on-type ultrasonic concentration metering system and method|
Disclosed is a clamp-on-type ultrasonic concentration metering system and method. The clamp-on-type ultrasonic concentration metering system includes an ultrasonic sensor portion and a concentration meter.
|Ultrasonic flow meter|
A method for estimating and correcting or at least reducing phase errors in received ultrasonic signals in an ultrasonic flow meter is disclosed, the method including the steps of: measuring one or more signals in the ultrasonic flow meter, which one or more signals depend on characteristics of one or more ultrasonic transducers in the ultrasonic flow meter, using the one or more measured signals for calculating an estimated phase error value, and using the estimated phase error value for correcting transmission times measured by the ultrasonic flow meter.. .
|Method for processing an ultrasonic analog signal, digital signal processing unit and ultrasonic inspection device|
The invention relates to a method for processing an ultrasonic analog signal (10) representing a reflected ultrasonic wave, wherein the ultrasonic analog signal (10) is fed in a parallel manner into at least two signal paths (a;b) and the ultrasonic analog signal is supplied in each signal path (a;b) to respective amplifiers (20a;20b) whose gains are different from one another. The ultrasonic analog signals (11;11′) which have thus been amplified differently are supplied in each signal path (a;b) to a respective a/d converter (30a;30b) which converts the amplified ultrasonic analog signals (11; 11′) into digital ultrasonic data (12;12′), from which a combined digital ultrasonic signal (15) is reconstructed after further processing steps.
|Ultrasonic diagnostic apparatus and medical image processing apparatus|
An ultrasonic diagnostic apparatus according to an embodiment includes an image acquisition unit, a measurement unit, an estimation unit, and a display unit. The image acquisition unit acquires an ultrasonic image representing information inside an object.
|Ultrasound imaging equipment and method|
In ultrasonic imaging, a physically consistent value of blood flow velocity is measured in the vicinity of body tissues. The ultrasound imaging apparatus comprises a shape extraction part for recognizing shape data of biological tissues by using echo signals reflected from a test subject irradiated with ultrasonic waves, a flow velocity distribution acquisition part for detecting blood flow velocities in the vicinity of the tissues from the echo signals, and a velocity determination part for extracting velocity information desired by a tester (objective velocity information).
|Combined imaging apparatus and method for controlling the same|
A combined imaging apparatus in which heterogeneous imaging devices are combined and a method for controlling the same are disclosed. The combined imaging apparatus includes a photoacoustic imaging unit to irradiate an energy beam to a target part, an ultrasonic imaging unit to generate an ultrasonic wave, irradiate the ultrasonic wave to the target part, and collect an echo ultrasonic wave reflected from the target part to which the ultrasonic wave is irradiated or an ultrasonic wave generated from the target part in response to energy beam irradiation of the photoacoustic imaging unit.
|Plastic closure device for a tubular bag|
The invention relates to a plastic closure device (1) for a tubular bag made of plastic or a multi-layer plastic film, comprising at least one bottom part (5) that has a spout (7), a spout opening (8), and a flange (4). The flange (4) has an energy-introduction arrangement (10) on the flange underside surface (9) of the flange.
|Parametric transducer and related methods|
An ultrasonic audio speaker includes a backing plate comprising a first major surface and a conductive region, the backing plate further comprising a plurality of textural elements disposed on the first major surface. A flexible layer disposed adjacent the first major surface of the backing plate includes a conductive region and an insulative region, wherein the flexible layer is disposed adjacent the backing plate such that the insulative region is positioned between the backing plate and the conductive region of the flexible layer, and such that there is a volume of air between the flexible layer and surfaces of the textural elements..
|Ultrasonic speaker system|
An ultrasonic speaker system has a first variable gain block, a modulation block, a second variable gain block, an ultrasonic actuator, and a controller, wherein the controller controls gain of the first variable gain block so that a modulation degree of a modulated signal becomes a predetermined value, and when the controller raises the gain of the first variable gain block, the controller lowers the gain of the second variable gain block, while when the controller lowers the gain of the first variable gain block, the controller raises the gain of the second variable gain block.. .
|Intrusion detection device|
In an intrusion detection device of the embodiment, a determining unit allows a transmission unit to stop transmitting ultrasonic waves until a level of a doppler signal exceeds a predetermined threshold (threshold for detecting destruction of a window glass), and allows the transmission unit to transmit the ultrasonic waves when the level of the doppler signal exceeds said threshold. Therefore, if the destruction of the window glass is not detected, it is possible to reduce power consumption through allowing the transmission unit to stop the transmission.
The present device deploys a portable humidifier of utilizing mineral water bottles or thermos containing mineral water, including an ultrasonic vibrator, a circuit part to generate ultrasonic waves, usb connector to supply electric power in connection to the circuit part, and a water-supply bottle join, and a main body in which a water-supply part can be installed and spray holes are formed, but the water supply part consists of a circular filter, and a support pipe, while accommodating the circular filter, a through hole is drilled on the support pipe to connect an auxiliary water-supply filter or a large and short circular filter by forming a stopper, in order to make the appearance beautiful, lighting led is installed at the said circuit part, and ornamental caps and ornamental auxiliary materials are installed at the top of the said main body.. .
|Process and system for treating particulate solids|
System and method for treating particulate solids comprises a processor for providing contaminated particulate solids at a predetermined apparent density and a screw feeder for transporting a water-based slurry of the contaminated particulate solids through an ultrasound signal of sufficient size, strength and duration to cause the contaminants to separate from the particulate solids. One or more stacks of ultrasonic transducers arranged around the screw feeder may be employed in which the diameter of each transducer preferably is substantially the same as the pitch of the screw feeder..
|Device and method for the amelioration of recesses|
The invention relates to a device (1) for the amelioration of a recess (8) e.g. A recess in a (human) bone (7).
|Reshaping method and device for carrying out the method|
The present invention relates to a method for reshaping a workpiece, in which a reshaping force is exerted on the workpiece by means of a reshaping tool and the workpiece is heated during or before the reshaping of the workpiece, wherein the heating of the workpiece is performed by the at least partial absorption of an ultrasonic vibration in the workpiece. In order to provide a method and a device for reshaping a workpiece that avoids the aforementioned.
|Method and apparatus for fabricating a fibre reinforced thermoplastic composite structure|
An apparatus for fabricating a fibre reinforced thermoplastic composite structure is described. The apparatus comprises a localised heat source arranged to heat a portion of a stack of fibre reinforced thermoplastic material layers and an ultrasonic transducer arranged to locally introduce ultrasonic energy waves to the heated portion of the fibre reinforced thermoplastic material layers.
|Apparatus for cleaning industrial components|
An apparatus for cleaning industrial components which has a liquid container defining a liquid enclosure for containing a cleaning liquid and ultrasonic transducers having an operating frequency and a wavelength in the cleaning liquid and secured to at least a portion of the liquid container at a spacing of between 2 and 10 wavelengths. During operation, the transducers generate a larger power density in the component-receiving area of the liquid container than an average power density of the liquid container..
An ultrasonic flow-meter of the present invention includes a partition plate which partitions a passage of a target fluid into a measurement passage and a non-measurement passage, a pair of ultrasonic transducers which is disposed in the measurement passage, a measuring unit which measures a propagation time of an ultrasonic wave between the pair of ultrasonic transducers, and a calculating unit which calculates a flow rate of the target fluid. Further, the calculating unit has a computing unit which computes at least one of a flow velocity and a flow rate of the target fluid in the measurement passage based on the propagation time and an estimating unit which estimates the flow rate of the target fluid in the passage based on the flow velocity or the flow rate in the measurement passage.
|Ultrasonic test equipment and evaluation method thereof|
An ultrasonic test equipment includes: a signal generating mechanism that generates a voltage waveform; an ultrasonic transmitting mechanism that excites ultrasonic vibrations having a lower frequency than a predetermined frequency to an object to be tested; an ultrasonic receiving mechanism that receives an ultrasonic response from the object to be tested; an ad converting mechanism that digitizes the received ultrasonic waveform; an analyzing mechanism that performs frequency analysis of the digital ultrasonic waveform digitized by the ad converting mechanism; an evaluating mechanism that extracts a variation of a nonlinear ultrasonic component from a frequency component of the digital ultrasonic wave obtained by the frequency analysis, compares the variation with defect data information in a defect information database, identifies a physical quantity of defect information of the object to be tested, and evaluates a defect in the object to be tested; and a control mechanism that partly or entirely controls a measurement system.. .
|Method and sensor mount for measuring seam peaking in pipes by means of ultrasonic inspection|
For ultrasonic measurement of pipe seam peaking, optionally with simultaneous ultrasonic wall thickness measurement using ultrasonic probes mounted on sensor holders on a sensor mount, it is proposed to use a sensor mount with sensor holders mounted on movable skids, which are pressed outward by spring elements and bear against the internal pipe surface, and skids having a large skid breadth greater than the seam peak breadth measured in the pipe's circumferential direction in the region of a measured seam peak, and sensor holders equipped with sensors only in a measuring region situated half way between two skid contact surfaces, wherein the measuring region breadth is less or equal to half of the skid breadth such that the stand off deviation of the sensors resulting in the seam peak region remains below a threshold value.. .
|Probabilistic modeling and sizing of embedded flaws in ultrasonic nondestructive inspections for fatigue damage prognostics and structural integrity assessment|
A method for probabilistic fatigue life prediction using nondestructive testing data considering uncertainties from nondestructive examination (nde) data and fatigue model parameters. The method utilizes uncertainty quantification models for detection, sizing, fatigue model parameters and inputs.
|Method and apparatus for delivering a substance|
A method of delivering a substance includes providing a substance at a location in a gastrointestinal (gi) tract, excluding a buccal membrane, of a biological body; and applying ultrasonic waves, having a frequency between about 20 khz and about 10 mhz, at the location. The method can include storing the substance in at least one reservoir and exposing a medium within or of the gi tract to the substance.
|Ultrasonic diagnostic imaging system and control method thereof|
An ultrasonic diagnostic imaging system not depending on an operator who operates the apparatus is provided. The system includes a measuring unit (coordinate calculation section 2034) that measures a relative position and a relative posture of the ultrasonic probe with respect to an examinee using image information on the examinee acquired by the ultrasonic probe, a control amount calculation unit (2035) that calculates an amount of control of the position and posture of the ultrasonic probe based on the measurement result of the measuring unit and at least one of a probe control mechanism that controls the position and posture of the ultrasonic probe using the amount of control calculated by the control amount calculation unit and a guiding information presentation unit that presents information for guiding movement of the position and posture of the ultrasonic probe using the amount of control calculated by the control amount calculation unit..
|Method and apparatus for automated ultrasonic doppler angle and flow velocity estimation|
Disclosed is an ultrasound device for measuring blood flow velocity in a blood vessel of a subject without imaging functionality in the device. The measurement depends upon reflections of a collimated beam of ultrasound from a subject's body part.
|Guiding-type medical system|
A medical appliance is easily inserted into a desired blood vessel route. There is provided a guiding-type medical system, including: a cylindrical or linear guidewire made of an elastic body that can be inserted into a blood vessel; and a guiding device having a device head portion that can be inserted into a body to guide the guidewire inserted into the blood vessel.
|Methods for positioning an ultrasonic catheter|
An emitter may be disposed in a patient. Output from the emitter may be detected by a detector connected with the guide rod and by a detector connected with the tracheal tube.
|Synthetic beads/bubbles functionalized with molecules for attracting and attaching to mineral particles of interest|
A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of a synthetic material such as polymer and the synthetic material is functionalized with molecules having a functional group for attracting mineral particles to the surface in a separation process.
|Exfoliating laminar material by ultrasonication in surfactant|
Disclosed herein is a method for exfoliating a laminar material to form an exfoliated material, in which the laminar material is ultrasonicated in a solution of a surfactant for sufficient time to form the exfoliated material. At all times during the ultrasonication the concentration of the surfactant in the solution is maintained sufficient to form a complete monolayer on the surfaces of the laminar material and the exfoliated material in the solution, or sufficient to sterically stabilise the laminar and exfoliated materials against aggregation..
|Trailer hitching aid system for vehicle|
A tow hitching aid system for a vehicle includes a camera, at least one ultrasonic sensor, a display screen and a control. The camera has a rearward field of view that encompasses a vehicle hitching element.
|Systems and methods for harmonic reduction in capacitive micromachined ultrasonic transducers by gap feedback linearization|
Systems and methods for providing increased cmut imaging performance are disclosed. The system can comprise cmut electronics with integrated or derived gap feedback.
|Solderless die attach to a direct bonded aluminum substrate|
A dba-based power device includes a dba (direct bonded aluminum) substrate. An amount of silver nanoparticle paste of a desired shape and size is deposited (for example by micro-jet deposition) onto a metal plate of the dba.
|Methods and apparatus for cleaning flip chip assemblies|
An apparatus for cleaning flip chip assemblies is provided. The apparatus comprises: a chuck assembly; a motor coupled to the chuck assembly by a spindle; at least one carrier for holding flip chips; at least one spray nozzle for directing diw, a cleaning solution, a gas or a vapor.
|Ultrasonic testing method of wheel|
An ultrasonic testing apparatus includes an array probe 3 disposed to face a flange-side rim face 16 of a wheel 1. The ultrasonic testing apparatus also includes an array flaw detector having a function of transmitting transmission-reception control signals to the array probe, and a personal computer having a function of setting various parameters for the array flaw detector, and receiving signals from the array flaw detector so as to generate images such as an a-scope image and a b-scope image.
|Ultrasound generating apparatus, and methods for generating ultrasound|
Ultrasound generating apparatus (10) comprises an arbitrary waveform generator (12) to provide a waveform output at (14), representing a waveform. A power amplifier (16), which may be an operational amplifier, is operable to amplify the waveform output (14) in power and amplitude to provide a power output (18) for applying to an ultrasonic transducer (20)..
|Ultrasonic detection method and system|
An ultrasonic detection method and system are disclosed. The ultrasonic detection method includes providing an ultrasonic detection system having a first ultrasonic device arrangement and a second ultrasonic device arrangement, positioning the ultrasonic detection system in a peripheral offset position with respect to an object to be measured, and transmitting and receiving an ultrasonic beam between the first ultrasonic device arrangement and the second ultrasonic device arrangement, thereby obtaining ultrasonic detection information about the object.
|Magnetostrictive probe with inverted signal detection|
The present discloses an alternate construction and method for a magnetostrictive probe intended to be used as a tank monitoring device. Height determination, either water or fuel, is referenced to an ultrasonic pickup assembly located inside the shaft at the foot of the probe.
|Clathrate desalination process using an ultrasonic actuator|
A freeze desalination process uses cyclopentane (“c5h10”) (14) as an agent for the formation of a gas hydrate as a clathrate (13). A crystallizer vessel (10) containing a mixture of seawater (11) and diffuse bubbles (18) of c5h10 is cooled to allow a gas hydrate phase to form.
|Method of manufacturing a reforming fuel by adding water to a fuel oil and the manufacturing apparatus thereof|
A method of manufacturing a reforming fuel by adding water to a fuel oil and a manufacturing apparatus is provided, the method and the apparatus comprising of preprocessing water in a water tank, aerating the water simultaneously in the water tank using the air previously processed by passing through ceramic catalyst, passing the water to an ultrasonic and electric field chamber, preprocessing fuel oil in a fuel oil tank with the catalyst, mixing the pre-processed water and fuel oil in a mixing chamber to produce a reforming fuel oil and passing the reforming fuel oil through one or a plurality of combination chambers.. .
|Presence detection using bluetooth and hybrid-mode transmitters|
Presence detection using bluetooth and hybrid-mode transmitters is disclosed. In some embodiments, a transmitter is configured to broadcast a secure identifier comprising a venue identifier using bluetooth low energy (btle) and/or an ultrasonic audio channel.
|Ultrasonic device for cutting and coagulating|
An ultrasonic surgical instrument that is configured to permit selective positioning of the relative distance between an end effector for cutting and coagulating tissue and a power actuation switch that is carried by the instrument for selectively energizing the end effector. In one instance, the end effector is able to change position relative to the actuation switch, alternatively, the actuation switch moves relative to the end effector, and still further, both the end effector and the actuation switch are capable of moving relative to each other..
|Transducer/waveguide engagement mechanisms for ultrasonic surgical instruments|
An ultrasonic surgical instrument includes a transducer assembly having a distal engagement member and configured to supply ultrasonic energy. A waveguide defines a longitudinal axis and has a proximal engagement member configured to threadingly engage the distal engagement member.
|Ultrasonic probe and manufacturing method of ultrasonic probe|
A manufacturing method of an ultrasonic probe includes analyzing a first lateral vibration which is superposed on a longitudinal vibration because of an asymmetric shape of a distal asymmetric portion when the ultrasonic probe is longitudinally vibrated. The manufacturing method includes specifying a bending position to bend a proximal-direction side part of the ultrasonic probe so that the proximal-direction side part is parallel to a x-y plane and tilted relative to a x-axis, a second lateral vibration, which has the same wavelength and vibration direction as the first lateral vibration and which is in anti-phase with respect to the first lateral vibration, being superposed on the longitudinal vibration and the first lateral vibration in the ultrasonic probe while the ultrasonic probe is bent at the bending position..
|Catheter insertion assist device and treatment apparatus|
Operative duration is shortened, and strain on a patient is reduced. Provided is a catheter insertion assist device comprising an ultrasonic element arranged at a tip of an insertion portion to be inserted into the body, and emitting an ultrasonic wave toward outside the insertion portion; and a guide portion for guiding a catheter so as to protrude the catheter toward a region irradiated with an ultrasonic wave from the ultrasonic element..
|Subject information acquisition apparatus|
A viscoelasticity measurement reference layer whose elastic modulus and viscosity coefficient are known is included between an ultrasonic wave transmitting/receiving probe and the subject and distributions of elastic modulus and viscosity coefficient inside the subject are calculated from a change over time of strain generated in the viscoelasticity measurement reference layer and the subject according to a pressure applied to the subject which changes over time and known elastic modulus and viscosity coefficient of the viscoelasticity measurement reference layer.. .