Canon Patent Applications
Canon patent applications that are pending before the United States Patent and Trademark Office (USPTO).
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Publication number: 20230251391Abstract: According to one embodiment, a converter array includes a first substrate, multiple sets of a plurality of analog-digital converters and a switch. The multiple sets are arranged on the first substrate in array. The switch is configured to switch a connection relationship between the plurality of analog-digital converters to process signals from photodiodes smaller in number than the analog-digital converters.Type: ApplicationFiled: April 10, 2023Publication date: August 10, 2023Applicant: Canon Medical Systems CorporationInventor: Akira NISHIJIMA
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Publication number: 20230248324Abstract: An X-ray diagnostic apparatus according to an embodiment includes a couchtop, an irradiation unit, a support member, a first opening, and an X-ray detector. The couchtop is a component on which a subject is placed. The irradiation unit outputs X-rays from above the subject. The support member supports both ends of the couchtop in the lateral direction from below and forms a gap between the support member and the couchtop in a center part corresponding to an area excluding both ends. The first opening is formed at either one or both of the ends of the couchtop in the longitudinal direction and is accessible to the gap. The X-ray detector is provided in the gap through the first opening and detects the X-rays.Type: ApplicationFiled: February 1, 2023Publication date: August 10, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Toshikatsu OOHASHI, Suzuna SAITO, Motohiro SATO, Yoshinori SHIMIZU, Yusuke OKUMURA, Naoko KURATOMI, Yoshinori SAITO
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Publication number: 20230243906Abstract: To achieve a uniform magnetic field in an MRI system, fitting can be performed using a partially differentiated residue phase map, differentiated shim functions, radial weights, a regularization factor, a discontinuity mask, and/or a signal intensity mask to determine coefficients for shim functions. The fitting can be performed iteratively, where the regularization factor is stronger and the radial weights focus on areas of higher confidence during earlier iterations. During later iterations, the regularization factor gradually gets weaker and the radial weights gradually focus on areas of lower confidence.Type: ApplicationFiled: January 28, 2022Publication date: August 3, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Wayne Richard DANNELS
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Publication number: 20230242366Abstract: When using a flipping wheel to flip sheets of weak or long media, there is a risk that these sheets collapse upon themselves. To reduce this risk, a method of stacking sheets includes flipping a sheet while holding its leading edge and bringing the leading edge down towards a stack support; bringing a trailing portion of the sheet into contact with a guide member positioned over the stack support; forming an overpressure in an inner volume of the bent sheet during flipping, while its trailing portion is in contact with the guide member; and maintaining the overpressure and contact while a trailing edge of the sheet travels along the guide member.Type: ApplicationFiled: January 17, 2023Publication date: August 3, 2023Applicant: Canon Production Printing Holding B.V.Inventors: Peter J.W. VAN DONGEN, Hermanus M. KUYPERS, Frank J.W. ZEELEN
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Publication number: 20230243946Abstract: In one embodiment, an ultrasonic diagnostic apparatus includes an ultrasonic probe and a a main body. The ultrasonic probe includes at least a plurality of ultrasonic transducers arranged in an array and an ultrasonic lens. The main body inspects the ultrasonic probe by using a reflected signal from an interface between the ultrasonic lens and air, and includes inspection processing circuitry. The inspection processing circuitry is configured to: sequentially select an ultrasonic transducer to be inspected from the plurality of ultrasonic transducers one by one in such a manner that any two ultrasonic transducers being continuously selected are not spatially adjacent but are separated by a predetermined separation distance; cause the selected ultrasonic transducer to transmit an ultrasonic pulse; and sequentially inspect each of the plurality of ultrasonic transducers by acquiring a reflected signal responding to transmission of the ultrasonic pulse from the interface.Type: ApplicationFiled: January 27, 2023Publication date: August 3, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yoichi OGASAWARA, Yutaka KOBAYASHI, Minori OHASHI
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Publication number: 20230245331Abstract: A medical image processing apparatus according to the present embodiment includes processing circuitry. The processing circuitry extracts a registration target area corresponding to a registration target organ from an ultrasonic image by acquiring edges of the registration target organ from the ultrasonic image among a plurality of types of medical images including the registration target organ. The processing circuitry calculates the degree of deformation of a plurality of positions in the registration target area. The processing circuitry performs a rigid registration on the types of medical images on the basis of the degree of deformation for each position calculated at the positions and the similarity between the types of medical images at the positions.Type: ApplicationFiled: January 27, 2023Publication date: August 3, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Panjie GOU, Xiao XUE, Shun ZHAO, Qilin XIAO
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Publication number: 20230240623Abstract: A medical information display apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured: to obtain time series data related to a predetermined patient; to receive a display time period being a range of data to be displayed from among the time series data; to identify a first state of the patient corresponding to the display time period, on the basis of the time series data; to determine reference data corresponding to a second state different from the first state, on the basis of one selected from between relevant data that is of the same type as the time series data and is relevant to another patient and the time series data; and to cause a display to display time series data corresponding to the display time period and the reference data, so as to be kept in correspondence with each other.Type: ApplicationFiled: December 20, 2022Publication date: August 3, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yusuke KANO, Anri YAMAZAKI, Yohei MURAGUCHI
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Publication number: 20230240658Abstract: An ultrasonic diagnostic apparatus of an embodiment includes an ultrasonic probe and processing circuitry. The ultrasonic probe repeatedly performs scanning in which a plane wave or a diffused wave is continuously transmitted a plurality of times in the same direction in a plurality of directions. The processing circuitry performs processing of applying a moving target indicator (MTI) filter to an unequal interval data sequence in the same direction obtained by the scanning and extracting a blood flow signal in each of the plurality of directions, performs processing of generating an autocorrelation signal by performing an autocorrelation operation on a plurality of blood flow signals in the same direction for each of the directions, and estimates a velocity value of blood flow on the basis of a complex signal generated by performing complex addition of a plurality of autocorrelation signals generated for the plurality of directions.Type: ApplicationFiled: January 30, 2023Publication date: August 3, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Takeshi SATO
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Publication number: 20230233160Abstract: An X-ray Computed Tomography (CT) apparatus according to an embodiment includes a gantry. The gantry includes: a rotating base rotatably supported; a plurality of units fixed to the rotating base; and a fixing member that is separately provided, is positioned apart from the rotating base, and is configured to fix at least two of the plurality of units with each other.Type: ApplicationFiled: January 20, 2023Publication date: July 27, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Takahito WATANABE
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Publication number: 20230233163Abstract: A tube voltage control circuitry switches a tube voltage applied to an X-ray tube between a first tube voltage and a second tube voltage of lower value than the first tube voltage. A first signal generating circuitry generates a first switching signal at a first time interval. A view switching circuitry switches a view based on the first switch signal. A data acquisition circuitry performs data acquisition for each view via an X-ray detector. A second signal generating circuitry generates a second switch signal at a second time interval shorter than the first time interval. A gain switching circuitry switches gains of the data acquisition circuitry based on the second switch signal.Type: ApplicationFiled: January 24, 2023Publication date: July 27, 2023Applicant: Canon Medical Systems CorporationInventor: Akira NISHIJIMA
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Publication number: 20230237638Abstract: A method, apparatus, and non-transitory computer-readable storage medium for image denoising whereby a deep image prior (DIP) neural network is trained to produce a denoised image by inputting the second medical image to the DIP neural network and combining a converging noise and an output of the DIP network during the training such that the converging noise combined with the output of the DIP network approximates the first medical image at the end of the training, wherein the output of the DIP network represents the denoised image.Type: ApplicationFiled: October 6, 2022Publication date: July 27, 2023Applicants: The Regents of the University of California, Canon Medical Systems CorporationInventors: Tiantian LI, Zhaoheng XIE, Wenyuan QI, Li YANG, Evren ASMA, Jinyi QI
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Publication number: 20230236328Abstract: A method and apparatuses for a radiation detector apparatus, comprising a scintillator array comprising a plurality of scintillator crystals. The plurality of scintillator crystals includes a first scintillator crystal and a second scintillator crystal adjacent to the first scintillator crystal within the scintillator array. A photosensor array comprising a plurality of photosensors including a first photosensor configured to detect photons from the first scintillator crystal. A first separator positioned between the first scintillator crystal and the second scintillator crystal. First separator optically separates the first scintillator crystal and the second scintillator crystal such that the first photosensor detects photons from the first scintillator crystal and not from the second scintillator crystal.Type: ApplicationFiled: January 21, 2022Publication date: July 27, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Peng PENG, Yi QIANG, Xiaoli LI, Kent C. BURR, Manabu TESHIGAWARA
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Publication number: 20230236329Abstract: A radiation detector includes control and data lines extending respectively in mutually-orthogonal first and second directions, photoelectric conversion parts respectively in regions defined by the control and data lines, noise detecting parts outside a region including the photoelectric conversion parts, a control circuit inputting control signals to first and second thin film transistors located respectively in the photoelectric conversion and noise detecting parts, a signal detection circuit reading image data and noise signals respectively from the photoelectric conversion and noise detecting parts, and an image configuration circuit configuring a radiation image based on the signals that are read.Type: ApplicationFiled: March 27, 2023Publication date: July 27, 2023Applicant: CANON ELECTRON TUBES & DEVICES CO., LTD.Inventors: Yuta TAKAHASHI, Hiroshi ONIHASHI, Ryo MIBUKA, Yasufumi YOSHIDA
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Publication number: 20230233188Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes processing circuitry. The processing circuitry extracts an odd harmonic component from a reflected wave signal received by each element of an ultrasonic probe. The processing circuitry determines whether the reflected wave signal is saturated or not using the extracted odd harmonic component. The processing circuitry multiplies the reflected wave signal of an element for which the reflected wave signal is determined to be saturated by a weight coefficient. The processing circuitry generates reflected wave data by performing phasing addition on the reflected wave signal.Type: ApplicationFiled: January 24, 2023Publication date: July 27, 2023Applicant: Canon Medical Systems CorporationInventors: Hiroki TAKAHASHI, Gen NAGANO
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Publication number: 20230238108Abstract: A light beam irradiation planning apparatus according to embodiments includes processing circuitry configured to identify a tumor site included in a medical image, set an irradiation mode to the tumor site, the irradiation mode satisfying a criterion for a chemical reaction of a drug binding to a tumor by a light beam, and generate guidance information for guiding light beam irradiation by a light beam irradiation device based on the set irradiation mode.Type: ApplicationFiled: January 27, 2023Publication date: July 27, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Masahide ICHIHASHI
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Publication number: 20230230703Abstract: A medical information processing device of an embodiment includes a processing circuitry. The processing circuitry extracts first medical treatment information related to diagnostic support information from among a plurality of pieces of medical treatment information on the basis of a corresponding relationship in which the diagnostic support information and the plurality of pieces of medical treatment information are associated, and a degree of contribution of each of the plurality of pieces of medical treatment information to the diagnostic support information, extracts second medical treatment information related to the first medical treatment information from among the plurality of pieces of medical treatment information on the basis of degrees of mutual relevance of the medical treatment information and the degree of contribution of each of the plurality of pieces of medical treatment information, and causes a display unit to display these information.Type: ApplicationFiled: December 28, 2022Publication date: July 20, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yudai YAMAZAKI, Sho SASAKI, Kosuke ARITA, Longxun PIAO
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Publication number: 20230225709Abstract: A medical image processing device of an embodiment includes processing circuitry. The processing circuitry is configured to acquire a contrast-enhanced image of a subject at least after a portal vein dominant phase among contrast-enhanced images of the subject to which a contrast medium has been administered in a process of reaching a post-vascular phase from an artery dominant phase via the portal vein dominant phase, and detect a site where the contrast medium has been washed out as a defective part in the contrast-enhanced image after the portal vein dominant phase.Type: ApplicationFiled: January 13, 2023Publication date: July 20, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Hiroki YOSHIARA, Masaki WATANABE
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Publication number: 20230226829Abstract: The present invention relates to a print method. In the print method, a first layer of ink is deposited and cured before a second layer is applied. The present invention further relates to a software product. The present invention also relates to an inkjet printing apparatus.Type: ApplicationFiled: January 3, 2023Publication date: July 20, 2023Applicant: Canon Production Printing Holding B.V.Inventors: Pim VAN DER ASDONK, Ke PENG, Clemens T. WEIJKAMP, Hendrik J.A. OGRINC, Robin X.E. WILLEMSE
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Publication number: 20230225710Abstract: An ultrasonic diagnostic apparatus according to an embodiment has transmitting and receiving circuitry that transmits and receives ultrasonic waves, and processing circuitry. The transmitting and receiving circuitry is configured to perform first beamforming processing on reflected wave signals output from a plurality of transducer elements that receive reflected waves and perform second beamforming processing different from the first beamforming processing on the reflected wave signals. The processing circuitry is configured to calculate an evaluation value of spatial correlation of the reflected wave signals and perform third beamforming processing based on a first processing result that is a processing result of the first beamforming processing, a second processing result that is a processing result of the second beamforming processing, and the evaluation value.Type: ApplicationFiled: January 17, 2023Publication date: July 20, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Hiroki TAKAHASHI
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Publication number: 20230223117Abstract: According to one embodiment, a family intent acquisition apparatus includes processing circuitry. The processing circuitry is configured to acquire an intent of a patient and an intent of a family who cares for or supports the patient. The processing circuitry is configured to assign the intent of the patient with a patient ID, and assign the intent of the family with a family ID. The processing circuitry is configured to transmit intent information including the intent assigned with the patient ID and the intent assigned with the family ID.Type: ApplicationFiled: January 11, 2023Publication date: July 13, 2023Applicant: Canon Medical Systems CorporationInventors: Takuya SAKAGUCHI, Yasuko FUJISAWA
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Publication number: 20230218345Abstract: According to one embodiment, a medical information processing apparatus includes processing circuitry. The processing circuitry predicts a medical treatment effect of each of a plurality of options that are possibly selected as a medical treatment judgment for a medical care target. The processing circuitry computes, based on a prediction result of the medical treatment effect, a first importance degree relating to an effect common to the options and a second importance degree relating to a difference in effect between the options, with respect to each of one or more features that affect the medical treatment effect. The processing circuitry presents the first importance degree and the second importance degree by one graph or one list.Type: ApplicationFiled: January 12, 2023Publication date: July 13, 2023Applicant: Canon Medical Systems CorporationInventors: Yusuke KANO, Anri YAMAZAKI
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Publication number: 20230221393Abstract: An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain two magnetic resonance images corresponding to two phase encoding directions opposite to each other. The processing circuitry is configured to generate a shift map related to shifting a plurality of pixels in the two magnetic resonance images, by optimizing a cost function using a first difference between the two magnetic resonance images and a second difference between two edge images generated on the basis of the two magnetic resonance images. The processing circuitry is configured to generate a correction image obtained by correcting distortions of the two magnetic resonance images on the basis of the two magnetic resonance images and the shift map.Type: ApplicationFiled: December 20, 2022Publication date: July 13, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Shohei HAMANAGA
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Publication number: 20230219093Abstract: According to one embodiment, a test kit includes a dropping device is configured to drop a droplet and a test device. The test device includes a reaction tank having an opening into which the droplet is dropped, the reaction tank being configured to house the droplet. The reaction detector is arranged below the opening inside the reaction tank and comprising a surface with a substance to be bound to a detection target substance. The reaction tank has an internal volume substantially equal to twice an amount of the droplet, or smaller than or equal to twice the amount.Type: ApplicationFiled: January 12, 2023Publication date: July 13, 2023Applicant: Canon Medical Systems CorporationInventors: Satoshi YAMANE, Takeshi YAMAUCHI, Shoichi KANAYAMA
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Publication number: 20230221900Abstract: A method for processing a print job by a printing system and a finishing system resulting in an end product is disclosed. The printing system includes a print controller. The finishing system is an in-line or near-line finishing system and includes a finishing controller for controlling the finishing process by means of a collection of finishing templates stored in memory of the finishing controller. The printing system and the finishing system are connected via a digital connection.Type: ApplicationFiled: January 4, 2023Publication date: July 13, 2023Applicant: Canon Production Printing Holding B.V.Inventors: Xavier C.M. BRANKAERT, Robertus G.A. JETTEN, Joris J.M. BAIJENS, Johannes M. PIJNAPPELS, Jeroen H.J. DE DEKEN, Antonius M. GERRITS
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Publication number: 20230223138Abstract: A medical information processing system according to an embodiment includes processing circuitry. The processing circuitry is configured to acquire information on an examination target, identify a reference image corresponding to the examination target on the basis of the information on the examination target, generate an edited image generated by editing the reference image, and transmit order information to which the edited image has been attached.Type: ApplicationFiled: January 4, 2023Publication date: July 13, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Ryo SHIROISHI
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Publication number: 20230222668Abstract: An image processing apparatus according to an embodiment of the present disclosure includes processing circuitry. The processing circuitry is configured to obtain volume data of a subject. The processing circuitry is configured to obtain base tubular object data by segmenting the volume data. The processing circuitry is configured to obtain small tubular object data from the volume data. The processing circuitry is configured to generate updated base tubular object data, on the basis of the small tubular object data and the base tubular object data. The processing circuitry is configured to output the updated base tubular object data.Type: ApplicationFiled: January 13, 2023Publication date: July 13, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yanhua WANG, Fuyue WANG, Qilin XIAO, Zhexin ZHOU
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Publication number: 20230221388Abstract: A magnetic resonance imaging apparatus according to an aspect of the present disclosure includes a sequence controlling circuit and a processing circuit. The sequence controlling circuit is configured to acquire undersampled frequency domain scan data by executing a pulse sequence while carrying out an undersampling process. The processing circuit is configured: to generate image domain corrected data of the frequency domain scan data, by correcting the frequency domain scan data in an image domain; to generate frequency domain corrected data of the frequency domain scan data by correcting the frequency domain scan data in a frequency domain; to optimize the frequency domain scan data based on the image domain corrected data and the frequency domain corrected data; and to reconstruct image data by using the optimized frequency domain scan data.Type: ApplicationFiled: January 10, 2023Publication date: July 13, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Fanxing MENG, Lijun ZHANG
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Publication number: 20230224471Abstract: According to one embodiment, a medical data processing apparatus includes processing circuitry. The processing circuitry determines at least one region of interest for performing processing on a medical image and a degree of importance of the region of interest. The processing circuitry calculates a compression ratio for each of the regions of interest according to the degree of importance.Type: ApplicationFiled: January 12, 2023Publication date: July 13, 2023Applicant: Canon Medical Systems CorporationInventors: Shuhei BANNAE, Hikaru FUTAMI, Hisaaki OOSAKO, Takahiko NISHIOKA
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Publication number: 20230215058Abstract: A method, system, and computer readable medium to compensate for consecutive missing views in Computed Tomography (CT) reconstruction. By utilizing at least one complementary ray from a previous or subsequent view, the missing view(s) can be filled in. When plural complementary rays exist, a linear or non-linear combination of rays can be used to fill in the missing views, and the weights used in the combination may be smoothed to prevent over-emphasis of the replacement views.Type: ApplicationFiled: April 19, 2022Publication date: July 6, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Qiulin TANG, Thomas LABNO, Jian ZHOU, Liang CAI, Zhou YU
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Publication number: 20230202786Abstract: When duplex printing non-rectangular sheets of printable media, the sheets require proper registration to prevent misalignment of front and back images. This is ensured by: determining relative orientations of three different edges of a sheet being transported towards print station on a first pass; registering the sheet on the first pass by aligning one of the edges with respect to a predetermined alignment direction; printing a first image on a first side of the registered sheet; flipping the sheet on a second pass; registering the flipped sheet by aligning one of the edges with respect to a predetermined alignment direction; and printing a second image on a second side of the registered, flipped sheet aligned with the first image based on the determined relative orientations.Type: ApplicationFiled: October 13, 2022Publication date: June 29, 2023Applicant: Canon Production Printing Holding B.V.Inventors: Joris M.B. WEEMAES, Ton A.J.J. VAN BOMMEL, Stefan J.G. BRUEKERS
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Publication number: 20230200759Abstract: A medical image diagnosis apparatus includes processing circuitry. The processing circuitry obtains a first border line and a second border line that define a scanning range of a scan of a subject to obtain a medical image of the subject, by analyzing a subject image obtained by capturing the subject; obtains fixed scanning-range information for imaging the subject; sets the scanning range based on the fixed scanning-range information and either of the first border line and the second border line; and outputs the set scanning range for display on a monitor.Type: ApplicationFiled: December 23, 2022Publication date: June 29, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Kazuki GATAYAMA
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Publication number: 20230200784Abstract: An ultrasonic diagnostic device includes an ultrasonic probe and processing circuitry. The probe conducts ultrasonic scanning on a three-dimensional area of a subject and receives a reflected wave from the subject. The circuitry acquires the correspondence relation between a position in ultrasonic image data on the three-dimensional area based on the reflected wave and a position in volume data on the subject captured by a different medical-image diagnostic device. The circuitry receives, from an operator, an operation to set a position marker, which indicates the position at which blood-flow information is extracted, on a scan area of the ultrasonic image data. The circuitry causes the image generated during a rendering process on the ultrasonic image data to be displayed and causes the position marker to be displayed at a corresponding position on a display image based on at least the volume data in accordance with the correspondence relation.Type: ApplicationFiled: February 23, 2023Publication date: June 29, 2023Applicant: Canon Medical Systems CorporationInventors: Yutaka KOBAYASHI, Yukifumi KOBAYASHI, Satoshi MATSUNAGA, Yoshitaka MINE, Atsushi NAKAI, Jiro HIGUCHI, Kazuo TEZUKA, Shigemitsu NAKAYA
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Publication number: 20230206427Abstract: An apparatus for magnetic resonance imaging includes processing circuitry to obtain a set of sequence instructions for performing a magnetic resonance scan; partition the obtained set of sequence instructions into a plurality of kernels by determining partition time points defining boundaries of the plurality of kernels, wherein the partition time points are not equally spaced in time; convert a first kernel of the plurality of kernels into a first hardware instruction set; transmit the first hardware instruction set to a hardware board controller for execution; and reconstruct a magnetic resonance image from received data, including data obtained by executing the first kernel.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Andrew JAMES WHEATON, Joseph MANAK, Bradley STEPHENS
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Publication number: 20230200785Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes an image obtaining unit, a contour position obtaining unit, a volume information calculating unit, and a controlling unit. The image obtaining unit obtains a plurality of groups of two-dimensional ultrasound image data each of which is generated by performing ultrasound scans, the ultrasound scans being performed on each of a plurality of predetermined cross-sectional planes, and performed for predetermined time. The contour position obtaining unit obtains, by performing a tracking process over the predetermined time period, time-series data of contour positions, the contour positions being either one of, or both of, a cavity interior and a cavity exterior of a predetermined site. The volume information calculating unit calculates, on a basis of a plurality of the time-series data of contour positions, volume information of the predetermined site. The controlling unit exercises control so as to output the volume information.Type: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasuhiko ABE, Shinichi HASHIMOTO, Kazuya AKAKI
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Publication number: 20230197250Abstract: A medical information processing device includes a storage and processing circuitry. The storage stores past diagnostic images related to a subject. The processing circuitry is configured to acquire test result information on the subject and to identify a past diagnostic image associated with the test result information among the past diagnostic images stored in the storage.Type: ApplicationFiled: December 19, 2022Publication date: June 22, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Takuya SAKAGUCHI, Ryo SHIROISHI
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Publication number: 20230193069Abstract: A print method includes a) applying an activator composition onto a recording medium, the activator composition comprising a photoinitiator; b) applying an inkjet ink composition onto the recording medium, the inkjet ink composition comprising a curable monomer and a gellant, the inkjet ink composition comprising no photo initiator or comprising a photo initiator in an amount of 1.0 wt % or less, based on the total amount of the ink composition; and c) curing the ink and the activator composition. Step c is started within a time period of 2 s-1000 s after applying the ink composition onto the recording medium. an ink set comprising an activator composition and an inkjet ink composition, a software product, and an inkjet printing apparatus are also disclosed.Type: ApplicationFiled: December 6, 2022Publication date: June 22, 2023Applicant: Canon Production Printing Holding B.V.Inventors: Luc VAN KEULEN, Pim VAN DER ASDONK
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Publication number: 20230190130Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a gantry, a first illuminating unit, and processing circuitry. The gantry has a hollow bore. The first illuminating unit illuminates the hollow bore. The processing circuitry identifies the position of a predetermined region of the subject inside the hollow bore, and controls the illumination state of the first illuminating unit based on the identified position of the predetermined region.Type: ApplicationFiled: December 15, 2022Publication date: June 22, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Hiroyuki HATAKENAKA
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Publication number: 20230196564Abstract: A medical image processing apparatus of an embodiment includes processing circuitry. The processing circuitry acquires a medical image of a lung field of a patient, identifies anatomical regions constituting the thorax of the patient based on the medical image, estimates a respiratory state when the medical image has been captured based on the anatomical regions, and executes processing based on the respiratory state.Type: ApplicationFiled: October 31, 2022Publication date: June 22, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Yasuko FUJISAWA
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Publication number: 20230186603Abstract: A medical image processing apparatus of an embodiment includes processing circuitry. The processing circuitry receives a medical image of a target region. The processing circuitry generates an image pair including a local image having local features of the target region and a global image having global features of the target region on the basis of the received medical image. The processing circuitry performs segmentation and classification of the target region on the image pair by a neural network.Type: ApplicationFiled: December 14, 2022Publication date: June 15, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Fuyue WANG, Yanhua WANG, Qilin XIAO
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Publication number: 20230186539Abstract: A medical information processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to record, when a layout of a display area is changed at a first step included in a clinical workflow, layout change information that indicates a changed content, determine, when the layout of the display area is changed at the first step, whether to change a layout of a display area set in advance for a second step that is any step after the first step, based on the layout change information, and change the layout at the second step based on a result of determination.Type: ApplicationFiled: December 7, 2022Publication date: June 15, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Masashi YOSHIDA, Yasunori OHSHIMA, Tomohiro KAWASAKI, Takeshi EZUMI
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Publication number: 20230181142Abstract: A radiation exposure dose management apparatus according to an embodiment is a radiation exposure dose management apparatus that manages a radiation dose received by a subject and includes processing circuitry configured: to obtain image data of the subject; to segment the image data in accordance with organs of the subject; to generate a voxel radiation dose distribution map indicating a radiation exposure dose of each of the voxels on the basis of a specific radiation exposure dose model and the image data; and to calculate a radiation exposure dose of each of the organs on the basis of the segmented image data and the radiation exposure dose of each of the voxels within the generated voxel radiation dose distribution map.Type: ApplicationFiled: December 13, 2022Publication date: June 15, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Lin LI, Chen WU, Qichen ZHU, Yongjun MA, Qingyu YAN, Yu GUO, Xieping XU, Yijin WANG
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Publication number: 20230177760Abstract: A medical image processing apparatus for rendering medical images comprises a first GPU and a second GPU, each configured to read from and write to a data structure stored in virtual memory, wherein: the data structure is configured to be read by both the first GPU and the second GPU; the data structure is configured such that the first GPU can write to a first sub-space of the data structure and the second GPU can write to a second sub-space of the data structure; the first sub-space and the second sub-space are independent; the first GPU is configured to write data relating to pre-processing for rendering to the first sub-space; and the second GPU is configured to read the written data and to render at least one image based on the written data.Type: ApplicationFiled: December 7, 2021Publication date: June 8, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Magnus Fredrik WAHRENBERG, Steven REYNOLDS
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Publication number: 20230169653Abstract: A medical image processing apparatus includes processing circuitry. The processing circuitry acquires medical image data to be analyzed. The processing circuitry identifies the direction of gravity for the medical image data. The processing circuitry sets the first weight to pixels constituting the medical image data on the basis of the direction of gravity. The processing circuitry analyzes the medical image data on the basis of the first weight.Type: ApplicationFiled: November 18, 2022Publication date: June 1, 2023Applicants: Canon Kabushiki Kaisha, CANON MEDICAL SYSTEMS CORPORATIONInventors: Masami KAWAGISHI, Kota AOYAGI
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Publication number: 20230165554Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured: to perform registration between one contrast image and each of a plurality of mask images; to calculate a plurality of matching degrees between the plurality of mask images and the one contrast image registered with each other, on the basis of the plurality of mask images and the one contrast image registered with each other; and to determine a difference between one of the mask images corresponding to a maximum matching degree among the plurality of matching degrees and the one contrast image, as one subtraction image corresponding to the one contrast image.Type: ApplicationFiled: November 18, 2022Publication date: June 1, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Kunio SHIRAISHI, Masanori MATSUMOTO, Hisato TAKEMOTO, Shingo OGURA
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Publication number: 20230170081Abstract: The medical support apparatus according to the present embodiment comprises processing circuit configured to acquire interview information related to an adverse event predicted for a patient and supply the interview information to a patient terminal; and receive an interview result information, which is a patient's response result to the interview information, and evaluate a patient's adverse event based on the interview result information.Type: ApplicationFiled: November 25, 2022Publication date: June 1, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yohei KAMINAGA, Kouji OTA, Yoshifumi YAMAGATA
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Publication number: 20230165546Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry that obtains first X-ray images, a second X-ray image taken later than the first X-ray images, first biological information to a periodic movement of a subject at the times of taking the first X-ray images and second biological information to a periodic movement of the subject at the time of taking the second X-ray image; detects a characteristic position to a first device from each of the first X-ray images; associates the characteristic position with a time phase in the first biological information, based on the first X-ray images and first biological information; and displays device information to the first device superimposed on the second X-ray image, by using a result of the associating and time phase in the second biological information.Type: ApplicationFiled: November 21, 2022Publication date: June 1, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Akihito TAKAHASHI, Kenji MIZUTANI, Mika TAKAYA, Takahiro YAMAGUCHI
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Publication number: 20230165992Abstract: An x-ray diagnostic apparatus according to an embodiment includes a radiographic unit, a movable unit, and processing circuitry. The radiographic unit performs radiography. The movable unit is provided in the radiographic unit and is movable to plural positions. The processing circuitry moves the movable unit to a position where the movable unit and a disinfection apparatus that performs disinfection have a predetermined positional relation to each other.Type: ApplicationFiled: November 21, 2022Publication date: June 1, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Haruki IWAI, Naoki YAMADA, Hiroki TONOTSUKA, Takehito TOMARU, Naoya FUJITA, Takanori SOUTOME, Takahiro KUROKI
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Publication number: 20230169704Abstract: An imaging processing method that acquires first and second overlapping image data sets by performing first and second measurements on an overlapping location at first and second times, wherein the first and second times are different times; determines whether the first and second overlapping image data sets have substantially a same image quality; and generating and outputting, a first weighted overlapping combined image by combining (a) first weighted image data generated by applying a first weight to an overlapping frequency range of the overlapping image data set having a higher image quality and (b) second weighted image data generated by applying a second weight to the overlapping frequency range of the overlapping image data set having a lower image quality, wherein the first weight is larger than the second weight.Type: ApplicationFiled: November 29, 2021Publication date: June 1, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Hassan HAJI-VALIZADEH
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Publication number: 20230165548Abstract: According to an embodiment, there is provided that processing circuitry configured to determine a first radiation timing at which a subject is irradiated with an X-ray, based on information on motion of an object in X-ray image data, the information on motion being calculated by the X-ray image data, the X-ray image data being associated with an electrocardiographic waveform of the subject, and repeatedly irradiate the subject with an X-ray at the first radiation timing per cycle of the electrocardiographic waveform of the subject.Type: ApplicationFiled: November 30, 2022Publication date: June 1, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Masanori MATSUMOTO, Hirona OIKAWA, Shingo ABE, Akio TETSUKA, Yoshiyuki SATO, Yusuke KANNO, Hisayuki UEHARA
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Publication number: 20230165553Abstract: An X-ray diagnosis apparatus according to the present embodiment comprises: an X-ray irradiator configured to irradiate X-rays; an imager configured to image an identifier that identifies a position of an X-ray detector which detects X-rays; and processing circuitry configured to calculate, based on the identifier shown on an image imaged by the imager, a relative position of the X-ray irradiator regarding the X-ray detector and an irradiation position of the X-ray irradiator where a corresponding relative position meets a predetermined X-ray imaging condition; and output, based on the relative position and the irradiation position, a movement information of the X-ray irradiator.Type: ApplicationFiled: November 25, 2022Publication date: June 1, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Takehito TOMARU, Haruki IWAI, Naoki YAMADA, Takanori SOUTOME, Takahiro KUROKI, Naoya FUJITA, Hiroki TONOTSUKA