Abstract: An X-ray diagnosis apparatus detects X-rays output from an X-ray source and transmitted through a subject, and generates images of the inside of the subject, and comprises a detector, an X-ray intensity distribution data generator, and an entrance dose distribution data generator. The detector detects the intensity of the X-rays output from the X-ray source. The X-ray intensity distribution data generator generates X-ray intensity distribution data showing the X-ray intensity for each of a plurality of subdomains of an X-ray irradiation field from the X-ray source based on the detection outcome by the detector. The entrance dose distribution data generator generates entrance dose distribution data showing the dose of X-rays output from the X-ray source and irradiated onto the subject, based on the X-ray intensity distribution data.

Abstract: A data creation unit of an X-ray diagnosis apparatus that irradiates a treatment target part of a subject with an X-ray and displays the image data of a transmitted X-ray thereon includes a catheter tip detection unit that detects a catheter tip based on the image data, a tip position information storage unit that stores therein position information of the catheter tip for at least one heartbeat based on a detection result of the catheter tip detection unit as transfer trace information, and a support data creation unit that superimposes the transfer trace information onto the present image data to create support data for catheter treatment.

Abstract: An image processing apparatus and a medical image diagnosis apparatus comprise a creation unit, a designation unit, a measurement unit, and a display control unit. The creation unit is configured to create a virtual endoscopic image observed using a preset viewpoint position and a preset line-of-sight direction based on 3-dimensional image data. The designation unit is configured to analyze the 3-dimensional image data to designate a plaque portion and/or a calcification portion. The measurement unit is configured to measure information on spatial distribution of the plaque portion and/or the calcification portion designated by the designation unit. The display control unit is configured to perform control to display the virtual endoscopic image created by the creation unit and the information on spatial distribution measured by the measurement unit.

Abstract: According to one embodiment, an information management server device determines whether to permit the duplicating of the original data selected in the duplication source selection information. The information management server device reads the management ID of the original data related to the management ID in the duplication request and the electronic data body related to the entity ID with reference to the first and second storage units when the determination result for the original data has shown that the duplicating is permitted and creates duplicated original data by giving a new management ID to duplicated data obtained by duplicating the electronic data body.

Abstract: According to one embodiment, an image processing apparatus includes following units. The correspondence table describes a relationship between blood vessel contrasts and reference contrast medium concentrations and reference X-ray conditions. The acquisition unit acquires a blood vessel contrast by referring to the correspondence table based on the planned value of a contrast medium concentration and the X-ray condition. The calculation unit calculates a predictive pixel value of a region of interest set on the X-ray image based on the blood vessel contrast. The display unit displays the X-ray image while superimposing a partial image with the predictive pixel value on the region of interest.

Abstract: According to one embodiment, an information management server device determines whether to permit the duplicating of the original data selected in the duplication source selection information. The information management server device reads the management ID of the original data related to the management ID in the duplication request and the electronic data body related to the entity ID with reference to the first and second storage units when the determination result for the original data has shown that the duplicating is permitted and creates duplicated original data by giving a new management ID to duplicated data obtained by duplicating the electronic data body.

Abstract: An X-ray image diagnostic apparatus includes an X-ray imager, an image data generator, a position information acquisition mechanism, a position information corrector, and a display. The X-ray imager generates projection data by X-ray imaging in first and second imaging modes for a patient. The image data generator generates reference image data based on projection data in the first imaging mode and image data for positional deviation correction based on projection data in the second imaging mode. The position information acquisition mechanism acquires position information of a treatment device inserted into the patient. The position information corrector corrects the position information of the treatment device based on the position information of the treatment device and treatment device information of the image data for positional deviation correction, collected by X-ray imaging in the second imaging mode. The display displays the reference image data to which the corrected position information is added.

Abstract: An X-ray imaging apparatus is configured to subtract a first X-ray image from a second X-ray image to generate a first subtraction image showing information on a blood vessel, calculate an amount of pixel shift between the first X-ray image and the third X-ray image, subtract the first X-ray image from the third X-ray image to generate a second subtraction image showing information on an insertion instrument, and combine the first subtraction image with the second subtraction image to generate a synthetic image by performing a pixel shift correction based on the amount of pixel shift.

Abstract: According to one embodiment, an image processing apparatus includes following units. The correspondence table describes a relationship between blood vessel contrasts and reference contrast medium concentrations and reference X-ray conditions. The acquisition unit acquires a blood vessel contrast by referring to the correspondence table based on the planned value of a contrast medium concentration and the X-ray condition. The calculation unit calculates a predictive pixel value of a region of interest set on the X-ray image based on the blood vessel contrast. The display unit displays the X-ray image while superimposing a partial image with the predictive pixel value on the region of interest.

Abstract: A storage unit stores a plurality of vectors and a plurality of past electrocardiographic phases in association with each other. Each of the vectors is a vector from a past reference point to a past objective point. A Reference point specifying unit specifies a current reference point on a current image. An electrocardiograph detects a current electrocardiographic phase associated with the current image. A vector specifying unit specifies a specific vector associated with a past electrocardiographic phase corresponding to the detected current electrocardiographic phase among the plurality of vectors. Objective point calculation unit calculates a position of a current objective point on the current image based on the specified vector and the position of the current reference point. A display unit displays the position of the current objective point on the current image.

Abstract: An image processing apparatus and a medical image diagnosis apparatus comprise a creation unit, a designation unit, a measurement unit, and a display control unit. The creation unit is configured to create a virtual endoscopic image observed using a preset viewpoint position and a preset line-of-sight direction based on 3-dimensional image data. The designation unit is configured to analyze the 3-dimensional image data to designate a plaque portion and/or a calcification portion. The measurement unit is configured to measure information on spatial distribution of the plaque portion and/or the calcification portion designated by the designation unit. The display control unit is configured to perform control to display the virtual endoscopic image created by the creation unit and the information on spatial distribution measured by the measurement unit.

Abstract: An X-ray imaging apparatus is configured to subtract a first X-ray image from a second X-ray image to generate a first subtraction image showing information on a blood vessel, calculate an amount of pixel shift between the first X-ray image and the third X-ray image, subtract the first X-ray image from the third X-ray image to generate a second subtraction image showing information on an insertion instrument, and combine the first subtraction image with the second subtraction image to generate a synthetic image by performing a pixel shift correction based on the amount of pixel shift.

Abstract: In one embodiment, an X-ray diagnostic system is provided. The system is provided with an X-ray irradiation section, an X-ray detection section, an image data generation unit, a position detecting unit and a control section. The X-ray irradiation section radiates an X-ray to an object to be diagnosed. The X-ray detection section detects the X-ray radiated from the X-ray irradiation section and transmitted through the object so as to generate X-ray transmission data. The image data generation unit generates image data based on the X-ray transmission data. The position detecting unit detects position of a catheter inserted into the object. The control section switches X-ray irradiation conditions to be irradiated from the X-ray irradiation section, based on positional data detected by the position detecting unit and electrocardiogram data of the object.

Abstract: A storage unit stores a plurality of vectors and a plurality of past electrocardiographic phases in association with each other. Each of the vectors is a vector from a past reference point to a past objective point. A Reference point specifying unit specifies a current reference point on a current image. An electrocardiograph detects a current electrocardiographic phase associated with the current image. A vector specifying unit specifies a specific vector associated with a past electrocardiographic phase corresponding to the detected current electrocardiographic phase among the plurality of vectors. Objective point calculation unit calculates a position of a current objective point on the current image based on the specified vector and the position of the current reference point. A display unit displays the position of the current objective point on the current image.

Abstract: The paper feeding cassette includes a push-up plate provided inside the cassette for receiving a stack of sheets entirely thereon regardless of the size of the sheets. On the push-up plate is mounted a trailing edge plate which is coupled to a fixing plate through a slide groove and which is configured to be capable of sliding in a sheet feeding direction in which the stacked sheets are to be fed to restrict the position of the stack of the sheets in the sheet feeding direction. The trailing edge plate is provided, at opposite sides thereof, with stoppers to be inserted into positioning holes of the push-up plate for fixing the trailing edge plate.

Abstract: The paper feeding cassette includes a push-up plate provided inside the cassette for receiving a stack of sheets entirely thereon regardless of the size of the sheets. On the push-up plate is mounted a trailing edge plate which is coupled to a fixing plate through a slide groove and which is configured to be capable of sliding in a sheet feeding direction in which the stacked sheets are to be fed to restrict the position of the stack of the sheets in the sheet feeding direction. The trailing edge plate is provided, at opposite sides thereof, with stoppers to be inserted into positioning holes of the push-up plate for fixing the trailing edge plate.

Abstract: Roll-like ink sheet is divided in a virtual manner into a plural number q of groups in the sub-scanning direction of ink sheet. In each of the groups, a plural number p of printing areas displaced in the sub-scanning direction are formed in a virtual manner. Print areas are partitioned in a virtual manner into a plurality of blocks in both main scanning direction and sub-scanning direction. Second accumulated printing ratio &eegr;2 for each of the blocks according to an image to be printed is calculated using first accumulated printing ratio &eegr;1 for each of the blocks. In a plurality of printing areas consisting of only blocks having second accumulated printing ratio &eegr;2 equal to or less than predetermined value &eegr;0, evaluation value for each of the print areas, dependent upon second accumulated printing ratio &eegr;2, is calculated. Any print area having a small consumption amount of ink is used for printing according to the evaluation value.

Abstract: Roll-like ink sheet is divided in a virtual manner into a plural number q of groups in the sub-scanning direction of ink sheet. In each of the groups, a plural number p of printing areas displaced in the sub-scanning direction are formed in a virtual manner. Print areas are partitioned in a virtual manner into a plurality of blocks in both main scanning direction and sub-scanning direction. Second accumulated printing ratio &eegr;2 for each of the blocks according to an image to be printed is calculated using first accumulated printing ratio &eegr;1 for each of the blocks. In a plurality of printing areas consisting of only blocks having second accumulated printing ratio &eegr;2 equal to or less than predetermined value &eegr;0, evaluation value for each of the print areas, dependent upon second accumulated printing ratio &eegr;2, is calculated. Any print area having a small consumption amount of ink is used for printing according to the evaluation value.

Abstract: A deformable mirror includes a first base plate having a first reference surface, a transparent second base plate having a second reference surface opposed to the first reference surface, a flexible member disposed between the first base plate and the second base plate and having a reflective surface on a surface thereof, the flexible member being adapted to be fitted on the first reference surface or on the second reference surface, and a driver for fitting the flexible member on the first reference surface or on the second reference surface, wherein the flexible member is held between the first base plate and the second base plate, and the light rays to be reflected by the reflective surface are imparted with the first degree of spherical aberration or with the second degree of spherical aberration by fitting the flexible member on the first reference surface or on the second reference surface by the driver.

Abstract: An ink-jet head is provided with a container having an ink-discharge opening in its wall section; a structural element that has peripheral edges at least both ends in one direction of which are secured to the wall faces inside the container, that divides the inside of the container in a fluid-separated state, and that is allowed to be distorted; and a voltage-applying unit for applying a voltage to the structural element. The structural element is constituted of a piezoelectric material, and the shape of the structural element is changed in response to the voltage applied by the voltage-applying unit so that ink is allowed to discharge from the ink-discharge opening. Therefore, the above-mentioned arrangement makes it possible to provide a greater ink-discharging force and ink-discharging speed, while maintaining a small size of the head. Moreover, it is possible to provide an ink-jet head having a good discharging efficiency with long service life.