Patents by Inventor Longxun PIAO

Longxun PIAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11923089
    Abstract: A diagnosis supporting system according to embodiments includes a memory that stores medical information including patient information relating to a condition of a patient, and intervention information relating to an intervention for the patient; and processing circuitry that extracts a change point in the medical information, that calculates a first change amount indicating a change in the patient information between before and after the change point, and a second change amount indicating a change in the intervention information between before and after the change point, and that performs display based on the first change amount and the second change amount in a display mode set according to at least one of the first change amount and the second change amount.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: March 5, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yudai Yamazaki, Longxun Piao, Yuka Shimomura
  • Publication number: 20230410302
    Abstract: A medical information processing apparatus of an embodiment includes processing circuitry. The processing circuitry acquires biometric data regarding a subject. The processing circuitry identifies reference data regarding a first feature amount on the basis of the biometric data. The processing circuitry acquires a second feature amount by inputting the first feature amount included in the biometric data into a model capable of mutually converting the first feature amount and the second feature amount. The processing circuitry derives pseudo-feature data regarding the first feature amount simulated by inputting the second feature amount into the model. The processing circuitry determines reliability scores with respect to the biometric data on the basis of the reference data and the pseudo-feature data.
    Type: Application
    Filed: June 6, 2023
    Publication date: December 21, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Kosuke ARITA, Longxun PIAO, Sho SASAKI, Yudai YAMAZAKI, Yuka SHIMOMURA, Asateru KIMURA
  • Publication number: 20230377757
    Abstract: A medical information processing device of embodiments includes processing circuitry. The processing circuitry is configured to acquire first time-series data regarding a first parameter and second time-series data regarding a second parameter different from the first parameter, identify a first risk range regarding the first parameter and a second risk range regarding the second parameter, and generate display information indicating the first time-series data and the second time-series data in association with each other on a display area in which the first risk range and the second risk range are associated.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 23, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Sho SASAKI, Yudai YAMAZAKI, Shinya SUGIYAMA, Longxun PIAO, Kosuke ARITA
  • Publication number: 20230230703
    Abstract: 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: Application
    Filed: December 28, 2022
    Publication date: July 20, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yudai YAMAZAKI, Sho SASAKI, Kosuke ARITA, Longxun PIAO
  • Publication number: 20230147719
    Abstract: A medical information processing apparatus according to an embodiment includes a processing circuitry. The processing circuitry acquires operation information of a medical worker for medical treatment information of a target patient or operation information of a medical worker for medical treatment information of a similar patient who is similar to the target patient. Based on the operation information, the processing circuitry calculates the concordance rate between a period for which the medical treatment information of the target patient or the medical treatment information of the similar patient is referred to and the period for which the medical treatment information of the target patient is displayed. The processing circuitry performs display of information about the concordance rate.
    Type: Application
    Filed: October 31, 2022
    Publication date: May 11, 2023
    Applicants: CANON MEDICAL SYSTEMS CORPORATION, National Cancer Center
    Inventors: Yuka SHIMOMURA, Anri YAMAZAKI, Longxun PIAO, Minoru NAKATSUGAWA, Naoki MIHARA, Masami MUKAI, Noriaki NAKAJIMA
  • Publication number: 20230113324
    Abstract: A medical information processing device according to an embodiment includes processing circuitry. The processing circuitry is configured to acquire biometric information on a patient, detect a trend change in the biometric information at a predetermined timing on a basis of time-series data regarding the biometric information, and determine whether the trend change is due to a measurement error in the biometric information or due to a change in a condition of the patient.
    Type: Application
    Filed: October 4, 2022
    Publication date: April 13, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Kosuke ARITA, Longxun PIAO, Sho SASAKI, Yudai YAMAZAKI
  • Publication number: 20230028661
    Abstract: An information processing device of an embodiment includes processing circuitry. The processing circuitry is configured to acquire a global model based on data sets regarding a plurality of cohorts, acquire a local model based on a first data set regarding at least one first cohort among the plurality of cohorts, calculate a weight based on a first data distribution with respect to the first data set and a second data distribution with respect to a second data set regarding the plurality of cohorts, and calculate an index value regarding the global model on the basis of the first data set and the weight.
    Type: Application
    Filed: July 11, 2022
    Publication date: January 26, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Sho SASAKI, Longxun PIAO, Kosuke ARITA, Yudai YAMAZAKI, Minoru NAKATSUGAWA
  • Publication number: 20230020543
    Abstract: A learning system includes processing circuitry. The processing circuitry is configured to acquire a first data distribution for a first data set out of data sets based on a first cohort, to select a second cohort that is used to update a first model out of a plurality of second cohorts on the basis of the acquired first data distribution, and to update the first model on the basis of at least part of a second data set out of data sets based on the selected second cohort.
    Type: Application
    Filed: June 27, 2022
    Publication date: January 19, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Longxun PIAO, Sho SASAKI, Kosuke ARITA
  • Patent number: 11342077
    Abstract: A medical information processing apparatus according to an embodiment includes: a display controlling unit configured to display, in a time series, events of diagnosis and treatment actions performed on a subject during a designated display period; a tallying unit configured to tally, as an index value, numerical values either extracted or calculated on the basis of information about the events, for each of tally units obtained by dividing the display period into sections arranged in a time series; and a calculating unit configured to calculate a piece of context information relatively indicating one selected from between the diagnosis and treatment actions and a state of the subject in each of the tally units, by comparing the index values tallied for the tally units with one another, and to further display the pieces of context information so as to be kept in association with the events.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 24, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Kazumasa Noro, Yusuke Kano, Kazuki Utsunomiya, Longxun Piao
  • Publication number: 20220108801
    Abstract: A diagnosis and treatment support system according to an embodiment has a storage apparatus and processing circuitry. The storage apparatus stores a trained model that infers information related to a state of a patient from an examination value for a predetermined examination item. On the basis of correlations between examination values for plural examination items included in diagnosis and treatment information on plural patients, the processing circuitry calculates a conversion function that enables statistical derivation of a value from an examination value or values for one or plural examination items, and generates, on the basis of an inference obtained by inputting an examination value for an examination item included in diagnosis and treatment information on a target patient into the trained model, support information for supporting diagnosis and treatment of the target patient.
    Type: Application
    Filed: September 24, 2021
    Publication date: April 7, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yudai YAMAZAKI, Longxun PIAO, Kosuke ARITA
  • Patent number: 11219423
    Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry extracts, based on a first area that is an area to which radiation is emitted and a second area that is an area affected by the radiation emitted, a cross-section that satisfies a certain condition and that passes through two points, the first area and the second area being specified by volume data and the two points being a first point included in the first area and a second point included in the second area. The processing circuitry causes a display to present an image of the cross-section.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: January 11, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Kazuhisa Murakami, Longxun Piao, Kousuke Sakaue, Yusuke Kano, Shinya Sugiyama, Masahiro Ozaki
  • Patent number: 11094417
    Abstract: A medical information processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to display medical examination data on the basis of a medical examination data space having a dimension corresponding to a data display format determined for each piece of medical examination data. The processing circuitry is configured to perform space conversion with reference to a specified conversion reference point in the medical examination data space to switch display of the medical examination data that is displayed.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: August 17, 2021
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yusuke Kano, Kazuki Utsunomiya, Shinya Sugiyama, Longxun Piao
  • Patent number: 11056241
    Abstract: According to one embodiment, a radiotherapy planning apparatus includes processing circuitry and a display. The processing circuitry calculates, by applying patient information to each of a plurality of analysis models relating to clinical practice, analysis results based on the analysis models. The processing circuitry compares each of the analysis results with an actual clinical result relating to a comparison target patient, and generates evaluation information to evaluate a change between the analysis models. The display displays the evaluation information.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: July 6, 2021
    Assignee: Canon Medical Systems Corporation
    Inventors: Kazuki Utsunomiya, Kazuhisa Murakami, Longxun Piao
  • Patent number: 11037680
    Abstract: A medical information processing apparatus according to an embodiment includes processing circuitry. The processing circuitry obtains data on medical actions and data on differences between planned medical actions or achievement objectives of treatment and results thereof. The processing circuitry extracts relevant factors associated with the differences based on the data on the medical actions and the data on the differences. The processing circuitry the relevant factors by allocating elements included in classification criteria to the relevant factors. The processing circuitry displays the relevant factors on a display for each of the classification criteria.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: June 15, 2021
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yusuke Kano, Kazumasa Noro, Longxun Piao
  • Publication number: 20210104324
    Abstract: A diagnosis supporting system according to embodiments includes a memory that stores medical information including patient information relating to a condition of a patient, and intervention information relating to an intervention for the patient; and processing circuitry that extracts a change point in the medical information, that calculates a first change amount indicating a change in the patient information between before and after the change point, and a second change amount indicating a change in the intervention information between before and after the change point, and that performs display based on the first change amount and the second change amount in a display mode set according to at least one of the first change amount and the second change amount.
    Type: Application
    Filed: October 5, 2020
    Publication date: April 8, 2021
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yudai YAMAZAKI, Longxun PIAO, Yuka SHIMOMURA
  • Patent number: 10825557
    Abstract: A medical information processing apparatus includes processing circuitry. The processing circuitry acquires information concerning a similar patient similar to a designated patient. The processing circuitry acquires a value representing a first treatment effect and a value representing a first side-effect based on the acquired information concerning the similar patient. The processing circuitry generates a map image in which a mark representing the similar patient is arranged based on the value representing the first treatment effect and the value representing the first side-effect.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: November 3, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Longxun Piao, Kousuke Sakaue, Masahiro Ozaki, Shinya Sugiyama, Kei Mori
  • Patent number: 10806407
    Abstract: A medical information processing system comprises processing circuitry configured to acquire numerical data representing medical information together with date and time information associated with the numerical data, display the numerical data in time series based on the date and time information, specify a period relating to the numerical data displayed in time series, calculate a distribution of the numerical data contained in the period, and further display the distribution graphically.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: October 20, 2020
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Kazuki Utsunomiya, Yusuke Kano, Kazumasa Noro, Longxun Piao
  • Patent number: 10636515
    Abstract: An apparatus for support in searching medical or health information receives a search keyword for searching for medical or health information of search target and a related disease name to analyze an administration information database in which administration information of prescriptions-treatments for patients and disease names are stored in association with each other. The apparatus acquires a related diseases name related to the disease name. Additionally, the apparatus can search the medical or health information for medical or health information stored in a medical or health information database on the basis of the search keyword and the related disease names display the medical or health information thus searched out.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: April 28, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Kazuki Utsunomiya, Satoshi Ikeda, Longxun Piao
  • Publication number: 20200075142
    Abstract: According to one embodiment, a medical information display apparatus includes processing circuitry. The processing circuitry acquires patient identification information for identifying a patient in whom an event as a determination index in a medical treatment has occurred and time information representing a time associated with the event from medical treatment information of a plurality of patients, generates mapping data by mapping one or more icons associated with the event along a common time axis based on the plurality of pieces of patient identification information and the plurality of pieces of time information so as to make the icons identifiable for each patient, and displays the mapping data on a display.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 5, 2020
    Applicant: Canon Medical Systems Corporation
    Inventors: Yusuke Kano, Shinya Sugiyama, Kazuki Utsunomiya, Longxun Piao, Anri Sato
  • Publication number: 20190189282
    Abstract: A medical information processing apparatus according to an embodiment includes: a display controlling unit configured to display, in a time series, events of diagnosis and treatment actions performed on a subject during a designated display period; a tallying unit configured to tally, as an index value, numerical values either extracted or calculated on the basis of information about the events, for each of tally units obtained by dividing the display period into sections arranged in a time series; and a calculating unit configured to calculate a piece of context information relatively indicating one selected from between the diagnosis and treatment actions and a state of the subject in each of the tally units, by comparing the index values tallied for the tally units with one another, and to further display the pieces of context information so as to be kept in association with the events.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 20, 2019
    Applicant: Canon Medical Systems Corporation
    Inventors: Kazumasa NORO, Yusuke KANO, Kazuki UTSUNOMIYA, Longxun PIAO