Abstract: An information processing apparatus includes a control unit configured to: determine, based on background information indicating one or more of a physical condition and a living environment of a patient, a symptom management method that includes one or more of: a management item to be managed at the time of managing a symptom of the patient, and a method for providing information to the patient; set a terminal device to executes a symptom management according to the symptom management method; acquire information indicating an implementation situation of the symptom management on the set terminal device; update, based on the implementation situation of the symptom management on the terminal device, the symptom management method according to which the terminal device executes the symptom management; and when the symptom management method is updated, set the terminal device to execute a symptom management according to the updated symptom management method.

Abstract: A medical information processing method that is executed by a processor, and includes: acquiring event information registered in a medical information system and including a patient identifier (ID), the patient ID including identification information on a patient, identification information on an event, and first temporal information indicating occurrence time of the event; acquiring, by using the patient ID and the first temporal information, first medical care information including second temporal information with a temporal resolution higher than that of the first temporal information related to the patient; and estimating, based on the first medical care information, the occurrence time of the event with the temporal resolution higher than that of the first temporal information.

Abstract: A biological function estimation device includes a processor configured to predict a drug reaction in a patient based on an evaluation value obtained by evaluating a biological function of the patient from a test result before drug administration and data on a drug to be administered to the patient, and configured to correct the evaluation value according to a comparison result between an obtained prediction value and a measurement value obtained by measuring the drug reaction after the drug administration.

Abstract: A prescription assistance device includes a control unit configured to acquire attribute data indicating an attribute of a patient, time series data on a state of the patient, and drug history data indicating a prescription history of a drug for the patient, configured to predict, based on the attribute data, the time series data, and the drug history data, an effect of the drug for each of a plurality of prescription candidates in which combinations of a type, an administration amount, and an administration timing of the drug are different from one another, and configured to present a prediction result to a user.

Abstract: An organ retraction device includes a surgical instrument and an expandable body operable for expansion by connection of the surgical instrument thereto. The expandable body includes a first expandable section configured to be expandable to a predetermined size and shape in a first stage to move an organ in an abdominal cavity, and a second expandable section configured to be expandable to a predetermined size and shape in a second stage to fix the organ.

Abstract: An information processing apparatus comprises: an obtainment unit configured to obtain a radiation image of a subject; a generation unit configured to generate, based on a plurality of radiation images obtained by radiation of mutually different spectra, a material characteristic image in which a region for each material can be extracted from the interior of the subject; and an image processing unit configured to perform processing of enhancing or attenuating, based on a position of a specific region in the material characteristic image, the specific region in the radiation image.

Abstract: A radiation imaging system includes a detector including a plurality of pixels which obtain pixel values corresponding to incident radiation transmitted through a subject, and an information processing unit configured to perform a process of estimating information on thicknesses of substances included in the subject using pixel values of an arbitrary one of the plurality of pixels, an average value of energy of radiation quanta of the arbitrary pixel calculated in accordance with the pixel values of the arbitrary pixel, a first table indicating the relationship between the pixel values of the arbitrary pixel and the thicknesses of the substances included in the subject, and a second table indicating the relationship between the average value of the energy of the radiation quanta of the arbitrary pixel and the thicknesses of the substances included in the subject.

Abstract: A medical information processing apparatus comprises an obtaining unit that obtains medical information, a learning unit that performs learning on a function of the medical information processing apparatus using the medical information, an evaluation data holding unit that holds evaluation data in which a correct answer to be obtained by executing the function is known, the evaluation data being for evaluating a learning result of the learning unit, an evaluating unit that evaluates a learning result obtained through learning, based on the evaluation data, and an accepting unit that accepts an instruction to apply a learning result of the learning unit to the function.

Abstract: A medical information processing apparatus comprises: an obtaining unit that obtains medical information; a learning unit that performs machine learning on a function of the medical information processing apparatus using the medical information; an evaluation data holding unit that holds evaluation data for evaluating a learning result of the learning unit; and an evaluating unit that evaluates a learning result obtained through machine learning, based on the evaluation data.

Abstract: A control device includes a unit that specifies, among a plurality of pieces of image data generated by detection means in accordance with a detection result of radiated rays that have passed through a subject, the amount of change in a relative position of the subject with respect to the detection means during a period from a generation timing of immediately preceding image data, which is generated immediately before target image data, to a generation timing of the target image data, a unit that sets the amount of radiated rays with which irradiation means performs irradiation in accordance with the amount of change, a unit that determines a composition ratio in accordance with the amount of change, and a unit that reduces noise of the target image data by combining, in accordance with the composition ratio, image data generated before the target image data with the target image data.

Abstract: An radiation imaging system acquires a plurality of radiation images by radiation imaging with a plurality of energies, and detects, based on pixel values of the plurality of radiation images, whether there is any abnormal pixel in at least one of the plurality of radiation images.

Abstract: To provide a technique of obtaining information for discriminating two substances included in a radiation image of a subject without performing imaging by changing radiation energy, a radiation imaging system includes a detector including a plurality of pixels which obtain pixel values corresponding to incident radiation transmitted through a subject, and an information processing unit configured to perform a process of estimating information on thicknesses and densities of substances included in the subject by performing a calculation using pixel values of an arbitrary one of the plurality of pixels and an average value of energy of radiation quanta of the arbitrary pixel calculated in accordance with the pixel values of the arbitrary pixel.

Abstract: An information processing apparatus comprises: an obtainment unit configured to obtain a radiation image of a subject; a generation unit configured to generate, based on a plurality of radiation images obtained by radiation of mutually different spectra, a material characteristic image in which a region for each material can be extracted from the interior of the subject; and an image processing unit configured to perform processing of enhancing or attenuating, based on a position of a specific region in the material characteristic image, the specific region in the radiation image.

Abstract: A breast imaging apparatus obtains tomographic images of the breast of an object. The apparatus includes an obtaining unit configured to obtain imaging conditions when the tomographic images are obtained, a generating unit configured to generate a breast model including a specific tissue with respect to the breast of the object, and a calculating unit configured to calculate the dose of radiation absorbed by the specific tissue by a radiation imaging simulation using the imaging conditions and the breast model.

Abstract: A radiation imaging system includes a detector including a plurality of pixels which obtain pixel values corresponding to incident radiation transmitted through a subject, and an information processing unit configured to perform a process of estimating information on thicknesses of substances included in the subject using pixel values of an arbitrary one of the plurality of pixels, an average value of energy of radiation quanta of the arbitrary pixel calculated in accordance with the pixel values of the arbitrary pixel, a first table indicating the relationship between the pixel values of the arbitrary pixel and the thicknesses of the substances included in the subject, and a second table indicating the relationship between the average value of the energy of the radiation quanta of the arbitrary pixel and the thicknesses of the substances included in the subject.

Abstract: To provide a technique of obtaining information for discriminating two substances included in a radiation image of a subject without performing imaging by changing radiation energy, a radiation imaging system includes a detector including a plurality of pixels which obtain pixel values corresponding to incident radiation transmitted through a subject, and an information processing unit configured to perform a process of estimating information on thicknesses and densities of substances included in the subject by performing a calculation using pixel values of an arbitrary one of the plurality of pixels and an average value of energy of radiation quanta of the arbitrary pixel calculated in accordance with the pixel values of the arbitrary pixel.

Abstract: An image processing apparatus obtains a three-dimensional radiation image of a right region of substantially symmetrical regions, obtains a three-dimensional radiation image of a left region of the substantially symmetrical regions, performs alignment between the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region based on a feature position of the regions, and substantially symmetrically arranges and displays the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region which have been aligned.

Abstract: A tomography apparatus for readily imaging an object while reducing radiation exposure doses includes a filter that adjusts distribution of a radiation dose transmitted therethrough from a radiation source, a radiation detection unit that detects a radiation dose transmitted through the filter and through an object, a holder that holds the object, an acquisition unit that acquires information about the holder, and a control unit that controls the distribution of the transmitted radiation does according to the information about the holder acquired by the acquisition unit.

Abstract: An image reconstructing apparatus creates a reconstructed image for every calculation operation by performing predetermined repetitive calculation by iterative reconstruction for a plurality of images obtained by acquiring an object from different angles, extracts at least one reconstructed image under a predetermined condition from the created reconstructed images, displays on a display unit information corresponding to the extracted reconstructed images and information corresponding to the extracted reconstructed image, selects at least one reconstructed image in accordance with an instruction of an operator on the display unit, and outputs the selected reconstructed image.

Abstract: An image processing apparatus obtains a three-dimensional radiation image of a right region of substantially symmetrical regions, obtains a three-dimensional radiation image of a left region of the substantially symmetrical regions, performs alignment between the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region based on a feature position of the regions, and substantially symmetrically arranges and displays the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region which have been aligned.