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公开(公告)号：US20230124828A1
公开(公告)日：2023-04-20
申请号：US18069385
申请日：2022-12-21
申请人： FUJIFILM Corporation
摘要： Electrical bonded portions (100, 104) from a coaxial cable (56) to a piezoelectric body (49) are bonded by a resin material having conductivity (102), and the electrical bonded portions (100, 104) using the resin material (102) are covered with a gas barrier epoxy resin layer (106).
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公开(公告)号：US11504007B2
公开(公告)日：2022-11-22
申请号：US16357036
申请日：2019-03-18
申请人： FUJIFILM Corporation
发明人： Katsuya Yamamoto , Kaku Irisawa , Dai Murakoshi
摘要： A photoacoustic image generation apparatus includes: a puncture needle that generates photoacoustic waves; an ultrasound probe that detects the photoacoustic waves and reflected ultrasonic waves reflected by the transmission of ultrasonic waves; a processor that generates a color Doppler signal of a region of interest as a color Doppler measurement target, generates a photoacoustic image on the basis of the photoacoustic waves, and detects the position of a tip portion of the puncture needle on the basis of the photoacoustic image; and a controller that sets the region of interest such that the position of the tip portion of the puncture needle and a center position of the region of interest are separated from each other by a predetermined distance and sets the region of interest, following the movement of the tip portion of the puncture needle, in a state in which the distance is maintained.
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公开(公告)号：US11471132B2
公开(公告)日：2022-10-18
申请号：US16419572
申请日：2019-05-22
申请人： FUJIFILM Corporation
摘要： A control circuit of an ultrasound diagnostic apparatus having an ultrasound endoscope controls a transmission circuit to generate a transmission signal, which includes a diagnostic driving pulse applied to each of a plurality of ultrasound transducers that generate ultrasound waves for acquiring an ultrasound image, in the case of acquiring the ultrasound image, and controls the transmission circuit to generate a polarization driving pulse, which has a polarization driving voltage different from voltage of the diagnostic driving pulse within the same settable voltage range as the diagnostic driving pulse and has a frequency different from a probe frequency band for acquiring the ultrasound image, in order to perform the polarization processing of the plurality of ultrasound transducers in the case of performing the polarization processing.
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公开(公告)号：US11317897B2
公开(公告)日：2022-05-03
申请号：US16235439
申请日：2018-12-28
申请人： FUJIFILM Corporation
IPC分类号： A61B8/00 , A61B8/12 , A61B1/00 , A61B1/12 , B06B1/06 , H01L41/04 , H01L41/047 , H01L41/29 , H01R9/05 , H01R4/02
摘要： The invention has, at a distal end part thereof, an ultrasonic oscillator array in which a plurality of ultrasonic oscillators are arranged; a shielded cable including a plurality of signal lines, and a plurality of metallic shield members disposed outside the signal lines; a wiring part including a plurality of connecting parts that electrically connect the plurality of signal lines to the plurality of ultrasonic oscillators, respectively; a ground part that is electrically connected to the plurality of shield members and has heat conductivity; a sheet-like first heat-conduction member disposed on a side surface of the ultrasonic oscillator array; and a second heat-conduction member that thermally connects the first heat-conduction member to the ground part. Accordingly, an ultrasonic endoscope capable of improving diagnostic accuracy in ultrasonic diagnosis, and a method for manufacturing the ultrasonic endoscope are provided.
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公开(公告)号：US11202620B2
公开(公告)日：2021-12-21
申请号：US16235239
申请日：2018-12-28
申请人： FUJIFILM Corporation
摘要： An ultrasonic endoscope includes an ultrasonic vibrator unit provided at a distal end part, the ultrasonic vibrator unit being composed of at least an ultrasonic vibrator array and a first thermally conductive member, the ultrasonic vibrator array having the plurality of ultrasonic vibrators that are arranged in a cylindrical form, the first thermally conductive member being disposed thermally in contact with the ultrasonic vibrator array; a plurality of cables that are electrically connected to the ultrasonic vibrator array; and an electrically conductive structural body that is disposed to extend from a distal end side toward a proximal end side of the ultrasonic endoscope. The ultrasonic vibrator unit and the electrically conductive structural body are connected to each other via an electrically insulating second thermally conductive member. Thus, the ultrasonic endoscope that has a heat release structure which transmits the heat generated from the ultrasonic vibrator to the electrically conductive endoscopic structure housed in a distal end part and which can efficiently release the heat therefrom while electric safety is secured; and that can prevent a burn of an alimentary canal by suppressing a temperature rise of surfaces of the ultrasonic vibrators is provided.
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公开(公告)号：US10661310B2
公开(公告)日：2020-05-26
申请号：US16157533
申请日：2018-10-11
申请人： FUJIFILM Corporation
摘要： A ultrasonic oscillator unit including an ultrasonic oscillator array in which a plurality of oscillators are arranged in a circular-arc shape; an electrode part that is provided on at least one end surface of the plurality of oscillators perpendicular to a longitudinal direction thereof and that is electrically connected with the oscillators; a backing material layer that is disposed on a rear surface of the ultrasonic oscillator array; and a cable wiring part including a flexible printed wired board. The flexible printed wired board includes a cable connecting part that extends to a lower side of the backing material layer, is separated into a plurality of belt-like pieces, and has, in a comb shape, a plurality of strip-like electrode parts in which at least one electrode pad is linearly disposed in the longitudinal direction of each of the belt-like pieces.
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公开(公告)号：US20200008782A1
公开(公告)日：2020-01-09
申请号：US16572020
申请日：2019-09-16
申请人： FUJIFILM Corporation
发明人： Yukiya MIYACHI , Kaku Irisawa , Keiji Tsubota , Tomoki Inoue , Katsuya Yamamoto
摘要： Provided is an ultrasound diagnostic apparatus capable of synchronizing emission of light from a light source device emitting light for generating a photoacoustic wave and reception in an ultrasound probe with high accuracy. The ultrasound diagnostic apparatus includes a sub-controller that has a synchronization signal generation unit and controls an ultrasound probe based on a first synchronization signal generated by the synchronization signal generation unit, an image generation unit that generates an ultrasound image based on a signal detected by the ultrasound probe, and a connector that has a synchronization signal line for transmitting a second synchronization signal generated in the synchronization signal generation unit and outputs the second synchronization signal to the outside through the synchronization signal line. The connector is configured such that a photoacoustic wave light source unit emitting light incident on a puncture needle having a photoacoustic wave generation unit is connectable.
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28.发明授权公开(公告)号：US09791417B2
公开(公告)日：2017-10-17
申请号：US14457751
申请日：2014-08-12
申请人： FUJIFILM Corporation
发明人： Kaku Irisawa , Katsuya Yamamoto
CPC分类号： G01N29/22 , A61B5/0035 , A61B5/0095 , A61B8/4416 , B06B1/0644 , G01N29/043 , G01N29/221 , G01N29/2418 , G01N29/2437
摘要： An acoustic wave detection probe includes a light projection section that emits measuring light to be projected onto a subject, an acoustic wave transducer disposed adjacent to the light projection section and capable of detecting an acoustic wave, an acoustic lens provided on a detection side of the acoustic wave transducer, and a housing accommodating the light projection section, the acoustic wave transducer, and the acoustic lens, in which the acoustic lens and a surface portion of the housing adjacent to the acoustic lens are formed to have an optical property in which the average diffuse reflection factor is 85% or more and the average absorption factor is 10% or less in a wavelength range of the measuring light.
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公开(公告)号：US11925436B2
公开(公告)日：2024-03-12
申请号：US16918662
申请日：2020-07-01
申请人： FUJIFILM Corporation
发明人： Katsuya Yamamoto , Tomoki Inoue , Keiji Tsubota
CPC分类号： A61B5/0093 , A61B5/6848 , A61B5/7425 , G06T11/001 , G06T11/008 , G16H20/40 , G16H30/40 , A61B5/14503 , A61B5/14532 , G06T2200/24
摘要： An acoustic wave device includes: an insertion object having a photoacoustic wave generator; an insertion object image signal generator that generates an insertion object image signal from a reception signal of an acoustic wave from the photoacoustic wave generator; a first signal width detector that detects a first signal width of a portion of a predetermined signal strength in the insertion object image signal; and an insertion object display image signal generator that generates, in a case where the first signal width is larger than a second signal width, an insertion object display image signal of a width having a center at a peak position of the insertion object image signal and corresponding to the second signal width, and generates, in a case where the first signal width is smaller than the second signal width, an insertion object display image signal having a width smaller than the second signal width.
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公开(公告)号：US11076837B2
公开(公告)日：2021-08-03
申请号：US16197816
申请日：2018-11-21
申请人： FUJIFILM Corporation
摘要： An ultrasonic endoscope has an ultrasonic vibrator array in which a plurality of ultrasonic vibrators are arrayed; a backing material layer that supports the ultrasonic vibrators; shield cables that each include a signal wire and a shield member for the signal wire; a flexible printed wiring board that extends on a side opposite to the ultrasonic vibrator array with respect to the backing material layer and that includes a ground portion electrically connected to the shield members; and a heat conductive layer that is provided on at least one surface of the flexible printed wiring board and connected to the ground portion, the heat conductive layer dissipating heat generated in the plurality of ultrasonic vibrators to the ground portion.
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