МЕДИЦИНСКАЯ СИСТЕМА ВИЗУАЛИЗАЦИИ И СПОСОБ ОБЕСПЕЧЕНИЯ РЕНТГЕНОВСКОГО ИЗОБРАЖЕНИЯ

Изобретения относятся к медицинской технике, а именно к рентгеновским системам. Система рентгеновской визуализации содержит рентгеновскую трубку, потолочную подвеску для рентгеновской трубки, тележку детектора с установленным на ней рентгеновским детектором, матрицу активных датчиков, блок оптической индикации и блок управления, причем матрица активных датчиков неподвижно прикреплена к потолочной подвеске, блок оптической индикации неподвижно прикреплен к тележке детектора, а блок управления соединен с матрицей активных датчиков. Способ позиционирования рентгеновского детектора содержит этапы, на которых излучают оптическую индикацию из блока оптической индикации на матрицу активных датчиков, получают положение оптической индикации на матрице активных датчиков, сравнивают полученное положение с заданным положением и формируют управляющие сигналы. Использование изобретений позволит улучшить точность позиционирования рентгеновского детектора относительно рентгеновской трубки. 2 н. и 14 з.п ...

ПЕРСОНАЛЬНАЯ И АВТОМАТИЧЕСКАЯ КОРРЕКТИРОВКА РЕНТГЕНОВСКОЙ СИСТЕМЫ НА ОСНОВЕ ОПТИЧЕСКОГО ОБНАРУЖЕНИЯ И ИНТЕРПРЕТАЦИИ ТРЕХМЕРНОЙ СЦЕНЫ

Группа изобретений относится к медицинской технике, а именно к диагностическим магнитно-резонансным системам. Система для регулирования содержит устройство регулирования рентгеновской визуализации, которая содержит порт ввода для приема данных трехмерного изображения, полученных с помощью датчика при трехмерном наблюдении объекта, причем принятые таким образом данные трехмерного изображения содержат информацию о пространственной глубине, при этом данные трехмерного изображения описывают геометрическую форму объекта в трех измерениях, анализатор данных трехмерного изображения, выполненный с возможностью вычислять по принятым данным трехмерного изображения данные анатомических ориентиров объекта, причем вычисленные данные управления устройством визуализации включают в себя демаркационные данные, определяющие границу окна коллимирования устройства визуализации для области объекта, представляющей интерес, устанавливать из принятых данных трехмерного изображения данные положения анатомических ...

СПОСОБ МОДЕЛИРОВАНИЯ В ЭКСПЕРИМЕНТЕ РЕЦИДИВИРУЮЩЕЙ ЭРОЗИИ РОГОВИЦЫ

Изобретение относится к медицине, а именно к экспериментальной офтальмологии, и может быть использовано для моделирования в эксперименте рецидивирующей эрозии роговицы. Проводят биомикроскопический контроль микроманипуляций и предварительную местную инсталляционную и ретробульбарную анестезию. На первом этапе операции производят тотальную деэпителизацию роговицы, качество которой оценивают с помощью 2% раствора флуоресцина. На втором этапе при помощи контактной диафрагмы необходимого диаметра и длинноволновой ультрафиолетовой установки с длиной волны 365 нм и мощностью 90 В выполняют локальное облучение роговицы в необходимой области в течение 45 минут на расстоянии от 5 до 20 см в зависимости от требуемой итоговой интенсивности клинических проявлений. Способ обеспечивает стандартизированное экспериментальное моделирование патологического процесса за счет максимального приближения к патогенезу рецидивирующей эрозии роговицы и возможности регулировать интенсивность итоговых клинических проявлений ...

ВИЗУАЛЬНАЯ РЕГУЛИРОВКА ПОДВИЖНОЙ СИСТЕМЫ РЕНТГЕНОВСКОЙ ВИЗУАЛИЗАЦИИ С ПОМОЩЬЮ КАМЕРЫ

... 1. Подвижная система (10) рентгеновской визуализации для выравнивания исследуемого объекта и установки для рентгеновской визуализации относительно друг друга, причем система содержит:- установку (12) для рентгеновской визуализации с источником (14) рентгеновского излучения и детектором (16) рентгеновского излучения;- по меньшей мере одну камеру (18);- процессор (20) данных; и- дисплей (22);причем по меньшей мере одна камера i) либо прикреплена к установке для рентгеновской визуализации, либо ii) может быть прикреплена к исследуемому объекту;причем по меньшей мере одна камера выполнена с возможностью получения первого изображения по меньшей мере одной опорной точки; причем процессор данных выполнен с возможностью соотнесения первого изображения с первыми параметрами проекции первого рентгеновского изображения исследуемого объекта с объектом; причем параметры проекции относятся к различным степеням свободы и содержат по меньшей мере одно из группы, содержащей пространственное положение проекции ...

МЕДИЦИНСКАЯ СИСТЕМА ВИЗУАЛИЗАЦИИ И СПОСОБ ОБЕСПЕЧЕНИЯ РЕНТГЕНОВСКОГО ИЗОБРАЖЕНИЯ

... 1. Система рентгеновской визуализации, содержащая:- рентгеновскую трубку (6),- потолочную подвеску (2) для рентгеновской трубки,- тележку (12) детектора с установленным на ней рентгеновским детектором (10),- матрицу (24) активных датчиков,- блок (20) оптической индикации и- блок (26) управления,причем матрица (24) активных датчиков неподвижно прикреплена к потолочной подвеске (2),причем блок (20) оптической индикации неподвижно прикреплен к тележке (12) детектора и выполнен с возможностью излучения оптической индикации на матрицу (24) активных датчиков детекторов,причем блок (26) управления соединен с матрицей (24) активных датчиков и выполнен с возможностью- получения положения оптической индикации на матрице (24) активных датчиков,- сравнения полученного положения с предварительно заданным положением и- формирования управляющих сигналов для управления по меньшей мере одним из потолочной подвески (2) и тележки (12) детектора для регулирования положения оптической индикации в соответствии ...

X-ray examination device with C-shaped bracket

The device has a C-shaped bracket or frame (1). An X-ray emitter (2) and image generating system (3) are arranged at the ends of the frame (1). The frame (1) is adjustable in the circumferential direction and can be rotated about a horizontal axis (11). The frame is also height adjustable. The adjustment of the frame (1) is such that the central beam (8) of the X-ray emitter (2) runs through an isocentre (15). A light source (13) is arranged on the C-shaped frame (1). The light source emits a light beam (14) which runs through the isocentre (15). The light source is preferably arranged in the middle of the frame (1).

Tragarm für Patientenlagerungsvorrichtung einer medizinischen Bildgebungsvorrichtung

Vorrichtung, aufweisend – eine Patientenlagerungsvorrichtung zur Lagerung eines Patienten in einem Patientenlagerungsbereich, – einen ersten Tragarm zur Anordnung zumindest einer Komponente relativ zu der Patientenlagerungsvorrichtung, – wobei ein unterer Abschnitt des ersten Tragarms außerhalb des Patientenlagerungsbereichs an der Patientenlagerungsvorrichtung angeordnet ist, – wobei ein oberer Abschnitt des ersten Tragarms zumindest in einem ersten Betriebszustand der Vorrichtung vertikal über dem Patientenlagerungsbereich angeordnet ist.

Hilfsgeraet zum Zentrieren von Roentgenroehren in ihrem Behaelter

Noninvasive medical imaging system for trauma estimation and intervention in military environments, has X-ray source positioned on opened gantry arrangement, and generating X-rays are from different focus point positions

The imaging system (75) has a portable couch (50) comprising a housing and a digital detector, which is positioned in the housing to detect X-ray signals. The X-ray signals correspond to a region of interest to be imaged. An X-ray source (60) generates the X-ray signals and is positioned on an open gantry (72) over the couch. The X-ray source is designed such that X-rays are generated from different focus point positions. The source is adjusted such that the source is moved to the gantry. The couch is movable relative to the source.

Vorrichtung zur Überwachung der Ausrichtung von Markierungslasern

Vorrichtung zur Überwachung der Ausrichtung von Markierungslasern (16, 40–48) in einem Raum (10) zur Diagnose und/oder Behandlung bei der Strahlentherapie, – mit einem Gehäuse, das mit Haltemitteln zur Montage in dem Raum (10) versehen ist und das folgendes aufweist: – einen zeilenförmig sich erstreckenden Fotosensor (24) und eine Auswerteeinheit, die die Position des von dem Markierungslaser (16, 40–48) erzeugten Lichts auf dem Fotosensor (24) mit einer Referenzposition vergleicht und bei einer Abweichung der gemessenen Position von der Referenzposition ein entsprechendes Signal erzeugt, – welche Auswerteeinheit bei einem räumlich auf dem Fotosensor (24) verteilten Signal den räumlichen Mittelwert des Sensorsignals bildet.

Correlating optical and x-ray images involves superimposing images in real time using devices for aligning source of x-ray energy through object, obtaining optical image of object

The method involves superimposing one image on the other in real time using an arrangement for aligning a source of x-ray energy from a point in space through an object of interest onto a detector plane to produce an x-ray image on the detector plane and a device for obtaining an optical image of the object from an equivalent optical point in space. Independent claims are also included for the following: an arrangement for directing an x-ray source through an object on a detector plane and a method and arrangement for positioning an optical camera with respect to an x-ray source.

Röntgendiagnostikgerät mit einer Röntgenröhre und einem Blendengehäuse

Röntgendiagnostikgerät mit einer Röntgenröhre (3) und einem Blendengehäuse (4), in dem Blenden (9) zum Abgrenzen eines Röntgenstrahlenfelds und in dem eine Lampe (14) und ein Spiegel (13) vorhanden sind, die derart angeordnet sind, dass bei eingeschalteter Lampe (14) das von der Lampe (14) ausgehende Licht vom Spiegel (13) derart reflektiert wird, dass das reflektierte Lichtstrahlenfeld im Wesentlichen mit dem gewünschten Röntgenstrahlenfeld übereinstimmt und in dem mindestens ein Filter (12) zum Filtern der Röntgenstrahlen angeordnet ist, dass der Spiegel (13) und das Filter bzw. die Filter (12) an einer Scheibe (10) angebracht sind, die um eine Achse (11) derart drehbar ist, dass das Filter oder eines der Filter (12) zur Röntgenaufnahme die Lage einnimmt, die der Spiegel (13) zuvor gehabt hat und wobei das oder die Filter (12) im Vergleich zur Scheibe (10) schräg gestellt ist bzw. sind.

Vorrichtung zum Ausrichten einer Röntgenkassette

CRANIOSTAT, INSBESONDERE FUER DIE AMBULATORISCHE RADIOGRAPHIE DES TEMPORO-MANDIBULAR-GELENKES

VORRICHTUNG ZUR ALTERNIERENDEN BESTRAHLUNG EINES GEGENSTANDES MITTELS MINDESTENS ZWEI STRAHLUNGSQUELLEN

Verfahren bzw. Röntgensystem zur Aufnahme von Röntgenabbildungen eines auf einem digitalen Röntgendetektor abgebildeten Untersuchungsobjektes

Zur schnellen Aufnahme und Auswertung von Röntgenabbildungen eines auf einem digitalen Röntgendetektor (1) abgebildeten Untersuchungsobjektes (3) wird aus der gesamten Bildfläche (2) des Röntgendetektors (1) zunächst eine für eine Röntgenuntersuchung des jeweiligen Untersuchungsobjektes notwendige Teil-Bildfläche (4) bezüglich Größe und Positionierung selbsttätig selektiert und werden anschließend nur die je Untersuchung erstellten Abbildungsdaten der Teil-Bildfläche (4) einer Auswertung und/oder Anzeige zugrunde gelegt.

Targeting device for the straight-lined introduction of an instrument into a human body

A LASER GUIDANCE DEVICE FOR USE WITH IMAGE INTENSIFIERS IN SURGERY

Light aiming device for medical or dental X-ray equipment

A medical or dental X-Ray unit is equipped with a light aiming device, as an aid to positioning. A near-parallel laser light beam 3 is projected by means of suitable optical components such as mirrors 4 and lenses, along the path of an X-Ray beam 5, thus demonstrating the path of the X-Ray beam and assisting in the accurate positioning of the X-Ray unit. More than one beam 6, 7 may be provided, distance along the X-Ray beam then being demonstrated by the intersection of the light beams. ...

Patient position monitoring system

A set of flat coloured discs are attached to the patient. These are imaged via cameras and the XYZ position of each disc is defined in virtual space by triangulation. This information is recorded and used to position the patient accurately. In addition the position information of the patient is monitored and recorded during Radiotherapy treatment. The discs may also be used to give positional information about the position of a body surface, i.e. during breathing or respiration.

System for aligning a radiation beam for radiation therapy

A radiation applicator 20 is mounted via an L-bracket 50 on a patient table 48. An array of targets is affixed to the applicator 20. Cameras 34, 36 mounted on a gantry 32 image the targets to determine coordinates that are compared to desired target coordinates. The relative positioning of the applicator and radiation beam are adjusted until a correlation between measured and desired target coordinates is achieved, at which point the applicator is correctly aligned with respect to the radiation beam, which may be an X-ray beam or an electron beam. Alignment can be effected by movement of the gantry 32 and/or the patient table 48. The alignment procedure may be fully or semi-automated.

Identification and data processing apparatus and methods

Targeting device for the straight-lined introduction of an instrument into a human body

Thin fieldlight mirror for medical electron accelerators

The mirror for reflecting visible light to simulate the radiation field of a medical electron beam applicator is made of a thin film of a plastic material with superior resistance to radiation damage so that the applicator requires no power- driven moving parts to retract the mirror and the mirror can be left fixed in the beam.

Method and apparatus for positioning an object with respect to the isocenter of an acquisition system

PROCEDURES FOR POSITIONING THE CHEST FOR A BIOPSIE IN A MAMMOGRAPHY MECHANISM AND MAMMOGRAPHY MECHANISM FOR WOULD DRIVE THROUGH THE PROCEDURE

RADIOTHERAPY EQUIPMENT

PATIENT MARKER

EXAMINATION OF THE POSITIONING ACCURACY OF A PATIENT TABLE REGARDING AN ISO CENTER

DIAGNOSTIC DEVICE FOR MEDICAL PURPOSES

PROCEDURE FOR THE REPRESENTATION OF MOBILE BODIES

DEVICE AND PROCEDURE FOR REPRODUCIBLE POSITIONING OF REFERENCE MARKS AT A HUMAN HEAD.

REPRODUCIBLE POSITION OR ATTITUDE RECOGNITION OF DUCTILE BODIES

DEVICE AND PROCEDURE FOR POSITIONING PATIENTS WITH THE RADIOTHERAPY

MULTIPLE ADJUSTMENT WITH FRAMEWORK LOTS A STEREOTAXIEVERFAHREN

System and method for locating target subject

The present disclosure relates to a system and method for locating a target subject associated with an X-ray system (1200). The X-ray system (1200) may include an X-ray source (1231), a detection component (1232), an arm (1230), and a platform (1250). The X-ray system (1200) may also include a first positioning component, a second positioning component (1220), or a third positioning component (840). The first positioning component may be configured to determine a target point where a region of interest (ROI) (440) of the target subject locates. The second positioning component (1220) may be configured to locate the target subject. The third positioning component (840) may be configured to obtain location information of a target device associated with the target subject in real-time.

RADIOTHERAPY APPARATUS AND OPERATING METHOD

Adjustable dynamic x-ray filter

A system and method for determining the location of an x-ray source of an x-ray machine and adjusting grid lines in an anti-scatter grid are disclosed. An ideal beam path is obtained and is used to adjust grid lines in the anti-scatter grid. In one embodiment, the invention uses a source locator to locate the x-ray source, communicate this location to the said adjustable anti- scatter grid which could align the grid lines mechanically, by means of servos attached to the grid lines, to the ideal x-ray beam path. In other embodiment electrical currents are used to align grid lines with the beam source. By aligning the grid lines with the beam path, images with increased contrast and reduced noise can be produced.

Surgical positioning system

High-speed inter-modality image registration via iterative feature matching

Medical imaging systems

IMAGE CAPTURE DEVICE AND METHODS

A novel image capture device (80), system and method are disclosed for use in capturing dental images. One or more devices are integrated within one or more components of the system. Examples of such devices include a wireless transmitter (20), a wireless receiver (304), a camera (22), a frame grabber (24), a beeper (286), indicator light (88) system, or a transilluminator light (28). A novel collimator tube (81) insert includes one or more integrated devices. A novel receptor holder (82) includes a docking port (68) for docking a sensor (64) that is used for digital x-ray capture. A novel receptor holder includes multiple arms (264) to allow a holder bar (56) to be positioned in multiple positions for capturing different image types. A novel receptor holder includes a measurement guide (297) for measuring a distance from which an image was taken from a patient. A novel alignment ring includes a sensor port and/ or a wireless transmitter for transmitting data to other devices.

APERTURE SYSTEM FOR RADIATION SOURCES SITUATED IN PARALLEL PLANES

RADIATION ABSORBING DEVICE FOR RADIOGRAPHIC APPARATUS

SURGICAL POSITIONING SYSTEM

A system for positioning and repositioning of a portion of a patient's body with respect to a treatment or imaging machine includes multiple cameras to view the body and the machine. Index markers, either light-emitting, passive, geometric shapes, or natural landmarks, are identified and located by the cameras in 3D space. In one embodiment, such reference or index markers are in a determinable relationship to analogous markers used during previous image scanning of the patient. Anatomical targets determined from image scanning can be located relative to reference positions associated with the treatment or diagnostic machine. Several forms of camera, index markers, methods and systems accommodate different clinical uses. X-ray imaging of the patient further refines anatomical target positioning relative to the treatment or diagnostic imaging reference point. Movements of the patient based on comparative analysis of imaging determined anatomical targets relativeto reference points on treatment ...

ALIGNMENT VERIFICATION DEVICE AND METHOD OF USE

An alignment verification device includes a spacer element and an alignment guide surface. The spacer element has proximal and distal portions and an insert engaging element disposed on the distal portion. The proximal portion can be of such a designed so as to serve as a handle for the verification device. The alignment guide surface is affixed to the spacer element and defines an alignment orifice. The alignment orifice is spaced apart from the insert engaging element. A prosthesis is also disclosed having an engaging element and a visual indicator element. The engaging element is configured to releasably engage the prosthesis engaging element of the alignment verification device so that, upon engagement, the alignment orifice is spaced apart from the visual indicator element. The engagement of the alignment verification device with the prosthesis can thus be adapted to permit a sighting element of an image obtaining device to be aligned with the alignment orifice and the visual indicator ...

APPARATUS FOR DIGITAL IMAGING IN THE HEAD REGION OF A PATIENT

An apparatus for Digital Imaging in the Head Region of a Patient is disclosed comprising: - a source (9) for generating X-ray radiation; - a sensor (11) for detecting X-ray radiation, which is generated by the source (9) and passes through a patient (14); - a rotary arm (6) for arranging the source (9) and the sensor (11) thereon in such a way as to be opposed to each other, wherein the rotary arm (6) is provided with adjustment means (10, 12) for varying the distance between the source (9) and the sensor (11); - a supporting structure (2, 3, 4, 5) for supporting the rotary arm (6), wherein motor driven translation and rotation means (7) are interposed between the rotary arm (6) and the supporting structure (2, 3, 4, 5), wherein - the apparatus comprises a single sensor (11) for both panoramic imaging and computed tomography, and that - the apparatus comprises a control unit (16), that controls the source (9), the sensor (11), the adjustment means (10, 12), and the translation and rotation ...

OPTICAL ALIGNMENT SYSTEM AND ALIGNMENT METHOD FOR RADIOGRAPHIC X-RAY IMAGING

An X-ray optical alignment system for X-ray imaging devices includes a visible-light point source and a multi-axis positioner therefor, fixedly mounted with respect to the X-ray focal spot. A mirror or beamsplitter is fixedly mounted with respect to the X-ray focal spot and disposed in the beam path of the X-ray source. The beamsplitter reflects light emitted from the light source and transmits X-rays emitted from the X-ray source. A first X-ray attenuating grid is fixedly but removably mountable with respect to the X-ray source, having a first X-ray attenuation pattern; and a second X-ray attenuating grid is adjustably mountable with respect to the first grid having a second X-ray attenuating pattern corresponding to the first X-ray attenuating pattern. When the grids are aligned, their attenuating patterns are also aligned and allow X-rays from the X-ray source and light reflected from the beamsplitter to pass therethrough.

OPTICAL ALIGNMENT SYSTEM AND ALIGNMENT METHOD FOR RADIOGRAPHIC X-RAY IMAGING

An X-ray optical alignment system for X-ray imaging devices includes a visible-light point source and a multi-axis positioner therefor, fixedly mounted with respect to the X-ray focal spot. A mirror or beamsplitter is fixedly mounted with respect to the X-ray focal spot and disposed in the beam path of the X-ray source. The beamsplitter reflects light emitted from the light source and transmits X-rays emitted from the X-ray source. A first X-ray attenuating grid is fixedly but removably mountable with respect to the X-ray source, having a first X-ray attenuation pattern; and a second X-ray attenuating grid is adjustably mountable with respect to the first grid having a second X-ray attenuating pattern corresponding to the first X-ray attenuating pattern. When the grids are aligned, their attenuating patterns are also aligned and allow X-rays from the X-ray source and light reflected from the beamsplitter to pass therethrough.

IMPROVEMENTS IN OR RELATING TO ALIGNMENT APPARATUS

An alignment apparatus for aligning x-ray images with a predetermined set of axes (8, 9) comprises means defining the axes in the form of a support arrangement which supports, at predetermined positions in space (7), located in at least two predetermined planes, a plurality of elements (5) which are opaque to ex-radiation. An apparatus is also described for aligning an end effector (23) comprising two spaced guide frames each having two parallel guide members (11, 12, 17, 18), the carriage (13, 14, 19, 20) for movement along each of the guide members (11, 12, 17, 18), the carriages (13, 14, 19, 20) being interconnected by cross members (15, 21), further carriages (16, 22) being mounted on the cross members, the further carriages (16, 22) supporting the end effector (23) for guide means.

Einrichtung zur Bildherstellung mittelst Röntgenstrahlen.

Strahlenabsorbierende Vorrichtung für Röntgenapparate

Röntgen-Durchleuchtungsapparat

Einrichtung zur Strahlenbehandlung

DEVICE FOR THE MOUNTING PLATE OF ROENTGENSTRAHLENEMPFINDLICHER OF FILMS WHEN ODONTOLOGI ROENTGENAUFNAHMEN.

Marker for position collection with electrical and/or electronic light transmission elements

СПОСОБ ОПРЕДЕЛЕНИЯ ЗАДАННОГО ОТНОСИТЕЛЬНОГО ПОЛОЖЕНИЯ ПАЦИЕНТА В СТОМАТОЛОГИЧЕСКОМ ПАНОРАМНОМ РЕНТГЕНОВСКОМ АППАРАТЕ И ЗАДАННОЙ ТРАЕКТОРИИ ПЕРЕМЕЩЕНИЯ ЭТОГО АППАРАТА И ЗАДАННОЙ ТРАЕКТОРИИ ПЕРЕМЕЩЕНИЯ ЭТОГО АППАРАТА ОТНОСИТЕЛЬНО ПАЦИЕНТА, А ТАКЖЕ СООТВЕТСТВУЮЩЕЕ УСТРОЙСТВО

В заявке описан способ определения заданного относительного положения пациента в стоматологическом панорамном рентгеновском аппарате (10), при осуществлении которого определяют кривизну передней части (72, 74) зубной дуги (68, 70) пациента. На основе кривизны дуги и изогнутой плоскости (88) проекции зубной дуги вычисляют заданные координаты положения для пациента. Дополнительно определяют кривизну средней (76, 78) и/или задней (80, 82) части зубной дуги пациента и полученные результаты используют при вычислении заданных координат положения. При осуществлении способа определения заданной траектории перемещения диагностического устройства (20) определяют кривизну передней части (72, 74) зубной дуги (68, 70) пациента и фиксируют его в рентгеновском аппарате в месте, находящемся в пределах пространства, очерчиваемого источником (14) и приемником (16) рентгеновского излучения. При этом дополнительно определяют кривизну средней (76, 78) и/или задней (80, 82) части зубной дуги и на основе измеренной ...

Scan start and/or end position identifier

A subject support (118) for an imaging system (100) includes a moveable portion (122) that includes a surface (204) on which the subject is loaded and that is configured to move into an examination region of the imaging system where the subject is to be scanned. The support further includes a scan position identifier (126) that generates a signal indicative of at least one of a start scan position or an end scan position for a predetermined region of interest of the subject based on a location of the region of interest on the moveable portion of the subject support for an arbitrary relative position of the moveable portion with respect to the examination region.

Systems and methods of automated dose control in X-ray imaging

X-ray equipment and method for controlling it

Exposure control using digital radiography detector

Clinical medicinal patch with developing coordinates

The invention provides a clinical medicinal patch with developing coordinates. The upper surface of the patch is provided with a developing coordinate identifier, and the developing coordinate identifier is provided with a coordinate mark. The patch is formed by sticking multilayer structures, one or more inner layers are positioned below the path of the top layer, the upper layer of the inner layer is provided with the same coordinate identifier as the developing coordinate identifier of the top layer, and the coordinate identifiers of all layers are superposed. The coordinate identifier of each of the inner layers is also provided with the same coordinate mark as that of the top layer. The developing coordinate identifiers of the top layer and the inner layers are of grids formed by equally spaced transverse lines and longitudinal lines, and also can be multiple rows and multiple columns of equally spaced points. The distances of the grids of the developing coordinate identifiers are ...

Method and apparatus for analysing CTZ-axial rays bundle position

DISPOSITIF DESTINE A PRODUIRE DES FAISCEAUX LUMINEUX, NOTAMMENT POUR L'ORIENTATION D'UN OBJET TEL QUE LE CORPS D'UN PATIENT SOUMIS A UNE TOMOGRAPHIE

LE DOMAINE DE L'INVENTION EST CELUI DES DISPOSITIFS DESTINES A PRODUIRE AU MOINS UN FAISCEAU DE LUMIERE AYANT UNE CONFIGURATION DESIREE. LE PROBLEME POSE CONSISTE A PERMETTRE L'ADAPTATION D'UN TEL DISPOSITIF A L'ORIENTATION D'UN OBJET. SUIVANT L'INVENTION, UN TEL DISPOSITIF EST CARACTERISE EN CE QU'IL COMPREND: UNE SOURCE DE LUMIERE 13 PLACEE EN UN PREMIER EMPLACEMENT, DES MOYENS 16 DESTINES A CONCENTRER CETTE LUMIERE, DES MOYENS DE CONDUCTION DE LUMIERE 18, 18A, 18B A L'ETAT SOLIDE ET DE FORME ALLONGEE QUI SONT DESTINES A TRANSMETTRE LA LUMIERE CONCENTREE VERS UN SECOND EMPLACEMENT DISTANT DU PREMIER EMPLACEMENT, ET DES MOYENS 22A, 22B RECEVANT LA LUMIERE A PARTIR DES MOYENS DE TRANSMISSION 18, 18A, 18B ET FORMANT AVEC CELLE-CI UN FAISCEAU DE LUMIERE AYANT LA CONFIGURATION DESIREE 40, 50, 56. L'INVENTION EST PRINCIPALEMENT UTILISEE POUR L'ORIENTATION DU CORPS D'UN PATIENT SOUMIS A UNE TOMOGRAPHIE.

Light beam pointer of radiology

POSITIONING Of OBJECTS FOR the FRAME GRABBING

REMOTE-CONTROLLED RADIOLOGY SYSTEM WITH COMPRESSION DEVICE

METHOD FOR OBTAINING INFORMATION ABOUT OBJECT BOUNDARIES IN THE LIMITED-ANGLE COMPUTED TOMOGRAPHY

APPARATUS Of IMAGERY HAS X-RAYS

Process and device to materialize the axis of an apparatus for its centering on a target

SYSTEME D'ALIGNEMENT DE PATIENT POUR DES EXAMENS PAR RESONANCE MAGNETIQUE NUCLEAIRE

L'INVENTION CONCERNE L'IMAGERIE MEDICALE. UN SYSTEME D'ALIGNEMENT DE PATIENT POUR UN APPAREIL DE RESONANCE MAGNETIQUE NUCLEAIRE COMPORTE NOTAMMENT UN CERTAIN NOMBRE DE SOURCES LUMINEUSES 24, 26, 28, 30, 32 DESTINEES A DEFINIR UN POINT DE REFERENCE VISIBLE SUR UN PATIENT 18 POUR ALIGNER UNE REFERENCE ANATOMIQUE DU PATIENT DANS UNE POSITION PREPARATOIRE A L'EXPLORATION. ON UTILISE ENSUITE LA POSITION DE REFERENCE POUR LOCALISER LE VOLUME A EXPLORER ET POUR DEPLACER AUTOMATIQUEMENT LE PATIENT DE FACON QUE LE VOLUME A EXPLORER SE TROUVE DANS LA REGION HOMOGENE OPTIMALE DU CHAMP MAGNETIQUE DE POLARISATION. APPLICATION AUX SYSTEMES DE RESONANCE MAGNETIQUE NUCLEAIRE.

PROCEEDED With IMAGERY OF ORDERING Of EXPOSURE AND APPARATUS ASSOCIATES

Dispositif pour définir des différences d'absorption locale dans un objet à l'aide d'une source de Röntgen générant un faisceau d'irradiation divergent.

A L'OCCASION D'EXAMENS EFFECTUES PAR VOIE TOMOGRAPHIQUE, DES DEFAUTS ANNULAIRES ARTIFICIELS SURVIENNENT DU FAIT QUE LA TEMPERATURE DE LA SOURCE DE RONTGEN AUGMENTE ET QUE LA POSITION DU FOYER DU RAYONNEMENT CHANGE. COMME LA DISTANCE ENTRE LE DETECTEUR ET LE DIAPHRAGME QUI LAISSE PASSER LE FAISCEAU DE RAYONNEMENT EST PLUSIEURS FOIS SUPERIEURE A LA DISTANCE ENTRE LE FOYER DE RAYONNEMENT ET LE DIAPHRAGME, LA POSITION DU FAISCEAU SUR LE DETECTEUR CHANGE ENCORE PLUS. SI LE DETECTEUR EST FORME PAR DES ELEMENTS DE DETECTION QUI NE SONT PAS PARFAITEMENT IDENTIQUES, LES SENSIBILITES DES ELEMENTS PEUVENT CHANGER AUSSI, CE QUI LORS DE LA RECONSTRUCTION CONDUIT AUXDITS DEFAUTS. SELON L'INVENTION, ON MESURE LA POSITION OU LE FAISCEAU DE RAYONNEMENT FRAPPE LE DETECTEUR, ET, SUR LA BASE DE CETTE MESURE, LE DIAPHRAGME EST REGLE DE FACON QUE LE FAISCEAU FRAPPE TOUJOURS LA MEME REGION DU DETECTEUR. APPLICATION: TOMOGRAPHES A RECONSTRUCTION D'IMAGE PAR ORDINATEUR.

APPAREIL DE RADIODIAGNOSTIC NOTAMMENT POUR L'EXAMEN DU SEIN

L'invention concerne un appareil de radiodiagnostic. Dans ce dispositif qui comporte un socle sur lequel est monté un siège 2 pour une patiente et une colonne verticale 4 pour le support d'un dispositif d'examen 5 comportant un support 11 déplaçable suivant son pourtour et portant un tube à rayons X 12 et un dispositif de télévision à amplificateur d'image 13, le support 11 est monté de façon à pouvoir pivoter, indépendamment d'une surface d'appui 18 pour le sein 19 de la patiente, autour d'un axe horizontal centré et situé légèrement au-dessus de cette surface. Application notamment aux appareils de mammographie.

Process and equipment for the radiography of cranium and the face

DEVICE TO POSITION A PATIENT ON AN ADJUSTABLE SUPPORT

RADIOGRAPHIC SYSTEM

DEVICE HAS DIAPHRAGMS USES IN COMBINATION WITH RADIATION SOURCES SITUEES IN PARALLEL PLANS

POSITIONING Of OBJECTS FOR the FRAME GRABBING

Certains modes de réalisation de la présente invention concernent un système et un procédé pour l'alignement d'un objet et d'un isocentre dans un système d'imagerie. Le système (100) comporte un émetteur (110) électromagnétique, un récepteur '120) électromagnétique et une unité (160) d'imagerie pour déterminer un isocentre d'un scanner d'imagerie basé sur l'information du récepteur électromagnétique. L'unité d'imagerie identifie l'isocentre sur la base d'une pluralité de mesures électromagnétiques de position. L'unité d'imagerie identifie un centre d'un objet destiné à être imagé sur la base des informations du deuxième récepteur (125) électromagnétique. L'unité d'imagerie repositionne l'objet basé sur l'isocentre. Dans un mode de réalisation, l'émetteur est localisé sur l'objet (140), le premier récepteur est situé sur un détecteur (130), et le deuxième récepteur est situé sur un outil (150) pour identifier un centre d'un objet ou une partie d'un objet.

PROCESS AND INSPECTING DEVICE OF THE POSITION OF PATIENTS AND/OR RADIATION SOURCES

X-ray apparatus for e.g. fluoroscopy, has control module generating radiation to which patient is exposed according to information that module receives on one or more selected medical instruments used or intended to be used

La présente invention concerne un procédé d'imagerie mis en oeuvre au moyen d'un appareil d'imagerie (10) comportant une source (14) apte à émettre un rayonnement, un détecteur d'images (12), des moyens de visualisation de l'image radiographique (28), ledit procédé consistant à positionner un patient (24) entre la source (14) de rayonnement et le détecteur d'images (12) et débutant par au moins une étape de sélection préalablement à l'acquisition de l'image radiographique, la dite étape de sélection comprenant au moins la sélection (200) de paramètres identifiant le patient, caractérisé en ce que la dite étape de sélection met en oeuvre également la sélection (300) du ou des instruments médicaux utilisés en vue d'optimiser la qualité d'image tout en minimisant la dose de radiation délivrée au patient. L'invention trouve une application, notamment dans les appareils de rayons X cardiovasculaires.

Lighting equipment with built-in X-ray emitting tube

RADIOGRAPHIC MOTION-PICTURE DEVICE

PROCEEDED OF SWING WITH a OSTEODENSIMETRE Of an EXAMINATION ANTEROPOSTERIEUR HAS a SIDE EXAMINATION.

DENTAL APPARATUS OF RADIODIAGNOSIS

Diagnostic X-ray systems

RADIOGRAPHIC SYSTEM

La présente invention vise à réaliser un système radiographique dans lequel un CDV dans un champ de lumière concorde avec un CDV dans un champ de rayons X indépendamment d'un décalage d'une source (51) de lumière. Le système radiographique comprend un tube radiogène, un collimateur (3) qui forme un faisceau de rayons X à irradier depuis le tube radiogène vers un objet à radiographier (7), et une source (51) de lumière qui irradie de la lumière, qui sert à un braquage, vers l'objet à radiographier (7) par l'intermédiaire du collimateur (3). Le système radiographique comprend en outre une mémoire (304) dans laquelle est stockée l'ampleur d'un décalage de la source (51) de lumière calculée à l'avance, et une unité de commande (30) qui commande l'ouverture du collimateur (3) d'après la position de la source (51) de lumière, laquelle est corrigée d'après l'ampleur d'un décalage extraite de la mémoire (304), de façon qu'un CDV de lumière à utiliser pour un braquage concorde avec une valeur visée ...

Improvements brought to the devices light beam pointers, in particular to the centring devices intended for the apparatuses of radiology

INSTALLATION OF RADIOLOGY

INSTALLATION OF RADIOLOGY

INSTALLATION OF RADIOLOGY

INSTALLATION OF RADIOLOGY

INSTALLATION OF RADIOLOGY

INSTALLATION OF RADIOLOGY

INSTALLATION OF RADIOLOGY

INSTALLATION OF RADIOLOGY

X-ray diagnosis apparatus and a method for controlling an x-ray irradiation region

An X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region that can appropriately narrow down an X-ray radiation aperture so as to fit a configuration of a region of interest during acquisition of X-ray projection data for reconstructing tomography images of an object. Based on a plurality of 2D image data acquired through a preliminarily X-ray imaging, a 3D region of interest is set up on an examination target portion having a strong directionality. X-ray imaging of the 3D region of interest is performed by sliding and rotating a plurality of aperture blades in an X-ray collimator based on a projected figure of the 3D region of interest along successively renewed imaging directions around a periphery of an object.

X-RAY DISTANCE INDICATOR AND RELATED METHODS

Apparatus and methods for providing a distance indication using an x-ray apparatus. According to various embodiments, an x-ray apparatus may be provided comprising an x-ray generator and a visible light generator. The apparatus may further comprise a projection member, such as a reticle, comprising a material at least partially transparent to visible light, wherein the projection member comprises an image positioned within the path of the visible light so as to project a secondary image comprising a shadow defined by the image. A LASER configured to deliver a LASER beam at an angle relative to the visible light may be provided such that the LASER beam intersects at least a portion of the secondary image at a predetermined distance from the LASER to allow a user to determine precisely a distance from the apparatus to an object to be exposed to x-ray radiation. 1. An x-ray apparatus , comprising:an x-ray generator configured to generate x-ray electromagnetic radiation;a visible light generator configured to generate visible electromagnetic radiation;a projection member comprising a material at least partially transparent to visible light, wherein the projection member comprises an image positioned within the path of the visible electromagnetic radiation so as to project a secondary image comprising a shadow defined by the image; anda LASER configured to deliver a LASER beam at an angle relative to the visible electromagnetic radiation such that the LASER beam intersects at least a portion of the secondary image at a predetermined distance from the LASER.2. The x-ray apparatus of claim 1 , wherein the x-ray apparatus comprises a handheld x-ray apparatus.3. The x-ray apparatus of claim 2 , further comprising a handle configured to allow a user to hold and operate the x-ray apparatus with one hand.4. The x-ray apparatus of claim 3 , wherein the LASER is positioned on the handle.5. The x-ray apparatus of claim 4 , wherein the handle comprises a base configured to allow ...

Fail safe radiation concealment mechanism

An aspect of an embodiment of the invention, relates to an imaging capsule for scanning inside a living body with a fail-safe radiation mechanism that prevents the emission of radiation from the imaging capsule until the imaging capsule is instructed to emit radiation and power is available to activate a motor to unblock the emission of radiation. Optionally, when power is not available the imaging capsule automatically, blocks the emission of radiation.

Medical image diagnosis apparatus and computer-readable medium

A medical image diagnosis apparatus according to an embodiment includes: an image data generating unit, an abnormal region detecting unit, a warning data generating unit, and a display unit. The image data generating unit generates clinical-diagnosis image data on the basis of taken image data obtained in a main image taking mode. The image data generating unit also generates failure-diagnosis image data on the basis of taken image data obtained in a failure diagnosis mode. The abnormal region detecting unit detects, from the failure-diagnosis image data, an abnormal region caused by a failure in the apparatus, by comparing the failure-diagnosis image data with reference image data acquired in advance. The warning data generating unit generates warning data on the basis of a result of the abnormal region detection. The display unit displays the clinical-diagnosis image data to which the warning data is appended.

X-ray imaging apparatus, and method of setting imaging area of x-ray imaging apparatus

An X-ray imaging apparatus controls an imaging area using an image area setting which includes displaying, on a screen, an X-ray image with respect to an X-ray irradiation area acquired via X-ray irradiation of an X-ray irradiator, receiving a selected-area generation instruction to select a partial area of the X-ray image displayed on the screen from a user, and displaying a selected-area using a boundary line if the selected-area is designated on the screen by the user. Thereafter, the imaging area setting method includes setting the X-ray irradiation area based on the selected-area, and adjusting the X-ray irradiator so as to irradiate the X-ray irradiation area with X-rays.

METHOD OF CONTROL AND OF POSITIONING WITH THE AID OF LASER SYSTEMS, AND DEVICE FOR IMPLEMENTING SAID METHOD

A method for adjusting laser beams () for scanners arranged on a support for radiotherapy, by a device consisting of a one-piece assembly () comprising () a suitable electronic control board (), and position sensors () for visualizing the position of the beams (), and adjusting them automatically by motor-driven systems, which is remarkable in that it comprises the steps of installing the apparatus (); presetting of the position via support feet () and embedded spirit levels (); movement of the table of the scanner to position the front face () of the apparatus in the plane of the isocenter of the scanner and positioning via internal lasers of the scanner; acquisition of position control images of the apparatus () and finalization and validation thereof, movement of the table of the scanner by the nominal distance between the machine isocenter and the laser isocenter, which is determined and validated at the time of installation of the lasers; connection of the apparatus () and powering up thereof and of the laser beams () with resetting of the positions; startup of the multiplexing-based laser beam () search sequence, the position of each laser beam () then being determined by virtue of the embedded cells () in the apparatus (); acquisition of the values and transfer to the tablet PC of the adjustment phase of each laser beam (). Device for implementing same. 14138134. A method for adjusting laser beams () for scanners arranged on a support , notably dedicated to radiotherapy , which is positioned on said support , by means of a device which consists of a single one-piece assembly () comprising a certain number of distinct parts , and assembled in a non-dismantleable manner , which includes both a certain number of position sensors () , and an electronic control board () suited to the one-piece structure of said assembly () , said sensors () making it possible to visualize the exact position of said beams () , so as to accurately adjust them automatically by motor- ...

APPARATUS AND METHOD FOR CONTROLLING X-RAY RADIATION FIELD OF X-RAY IMAGING APPARATUS

An apparatus is provided for controlling an X-ray radiation field of an X-ray imaging apparatus including an X-ray generator and an X-ray detector arranged opposite to the X-ray generator. The apparatus includes a light-emitting unit configured to emit light and disposed adjacent to one of the X-ray generator and the X-ray detector, a light-receiving unit configured to detect the light emitted by the light-emitting unit and disposed adjacent to the other one of the X-ray generator and the X-ray detector, a radiation field setter configured to set an X-ray radiation field based on the detected light, and an X-ray driver configured to control driving of the X-ray generation units which correspond to the set X-ray radiation field, to emit an X-ray. 1. An apparatus for controlling an X-ray radiation field of an X-ray imaging apparatus comprising an X-ray generator and an X-ray detector arranged opposite to the X-ray generator , the apparatus comprising:a light-emitting unit configured to emit light and disposed adjacent to one of the X-ray generator and the X-ray detector;a light-receiving unit configured to detect the light emitted by the light-emitting unit and disposed adjacent to the other one of the X-ray generator and the X-ray detector;a radiation field setter configured to set an X-ray radiation field based on the detected light; andan X-ray driver configured to control driving of the X-ray generation units which correspond to the set X-ray radiation field, to emit an X-ray.2. The apparatus of claim 1 , wherein the X-ray generator comprises X-ray generation units that are linearly arranged claim 1 , andthe light-emitting unit comprises light-emitting elements that are arranged in a same direction as a direction in which the X-ray generation units are linearly arranged.3. The apparatus of claim 1 , wherein the light-emitting elements comprise at least one of a light-emitting diode claim 1 , an organic light-emitting diode claim 1 , a laser diode claim 1 , and a ...

RADIOLOGICAL IMAGING DEVICE WITH ADVANCED SENSORS

A method and device for acquiring a radiological image of at least part of a patient placed in a gantry. The method includes causing a source to emit radiation that passes through the at least part of the patient and receiving the radiation at a detector. In one embodiment the detector may include at least one first linear sensor having a first sensitive surface and a second linear sensor having a second sensitive surface, wherein the sensitive surfaces are partially overlapped along the direction of movement. The method also includes generating the radiological image at a control unit by generating a first image acquired by the first linear sensor and a second image acquired by the second linear sensor. The control unit may overlap the first and second images in a region where the first and second linear sensors overlap. 1. A method of acquiring a radiological image of at least part of a patient placed in a gantry , the method comprising:causing a source to emit radiation that passes through the at least part of the patient, the radiation defining a central axis of propagation;receiving the radiation at a detector, and the detector includes at least one first linear sensor having a first sensitive surface and a second linear sensor having a second sensitive surface, wherein the sensitive surfaces are partially overlapped along the direction of movement;outputting data signals from the detector to a control unit;generating the radiological image, at the control unit, by generating a first image acquired by the first linear sensor and a second image acquired by the second linear sensor, and overlapping the first and second images in a region where the first and second linear sensors overlap.2. The method of claim 1 , further comprising continuously translating the source and the detector in a direction of movement substantially perpendicular to the central axis of propagation using a translation mechanism that is connected to the source and the detector.3. The method ...

Treatment Techniques Using Radiation, Electromagnetic Fields and Small-Scale Injectable Machines

The present invention includes new techniques for radiotherapy and other external electromagnetic influence of treatment subjects. In one aspect of the invention, a plurality of nano-scale or other small-scale machines is introduced to the blood stream (for example, by hypodermic injection). The design of each small-scale machine may include different sub-devices and electrostatic or magnetic charges, at different surface or internal locations. An electromagnetic and/or electrostatic control system the remotely alters the orientation and location of the small-scale machines, and applies the machines, and variably applies different sub-devices to different treatment targets. In some aspects, the sub-devices include actuable protection and sub-devices, to deliver drugs or other factors at specific locations commanded by the control system or a user.

SENSITIVITY OPTIMIZED PATIENT POSITIONING SYSTEM FOR DARK-FIELD X-RAY IMAGING

The present invention relates to grating based Dark-Field and/or phase-contrast X-ray imaging. In order to improve the quality of an image, a radiography system () for grating based Dark-Field and/or phase-contrast X-ray imaging for imaging a patient by irradiating the patient is provided. The system comprises a source unit (), a detection unit () and a patient support unit () with a patient abutting surface (). The source unit () and the detection unit () are arranged along an optical axis () and the patient support unit () is arranged in between. Further, an abutting distance (d) between the source unit () and the patient abutting surface () along the optical axis () is adaptable. The abutting distance (d) and an actual sensitivity, based on the abutting distance (d), are taken into account for imaging, such that a trade-off between sensitivity and field of view in a patient specific manner is achievable, e.g. the best trade-off. 1. A radiography system for grating based Dark-Field and/or phase-contrast X-ray imaging for imaging a patient by irradiating the patient , the system comprising:a source unit;a detection unit; anda patient support unit with a patient abutting surface;wherein the source unit and the detection unit are arranged along an optical axis and the patient support unit is arranged in between;wherein an abutting distance between the source unit and the patient abutting surface along the optical axis is adaptable; andwherein the abutting distance and an actual sensitivity, based on the abutting distance, are taken into account for imaging, such that a trade-off between sensitivity and field of view in a patient specific manner is achievable.2. (canceled)3. The radiography system according to claim 1 ,wherein the source unit comprises a first grating and a second grating, and the detection unit comprises a third grating; andwherein an inverse geometry is utilized where the distance between the first grating and the second grating is smaller than the ...

X-RAY IMAGING APPARATUS

An X-ray imaging apparatus is provided with a distance sensor for measuring an SSD which is a distance between a focal point of the X-ray tube and a surface of a subject M, an input unit for setting a reference SSD associated with an incident dose in which imaging is allowed, and a comparator for comparing an SSD at the time of imaging associated with the incident dose obtained by using the SD measured by the distance sensor and a reference SSD set by the input unit. 1. An X-ray imaging apparatus for performing X-ray imaging , comprising:an X-ray tube configured to irradiate X-rays;SSD deriving means configured to derive an SSD, which is a distance between a focal point of the X-ray tube and a surface of a subject;setting means configured to set a reference physical quantity associated with an incident dose in which imaging is allowed;comparing means configured to compare a physical quantity at the time of imaging associated with an incident dose derived using the SSD by the SSD deriving means and the reference physical quantity set by the setting means; andcontrol means configured to perform a predetermined operation using a comparison result by the comparing means.2. The X-ray imaging apparatus as recited in claim 1 , whereinthe control means performs a movement operation of the X-ray tube so that the physical quantity at the time of imaging falls within an imaging allowable range with reference to the reference physical quantity by using the comparison result by the comparing means.3. The X-ray imaging apparatus as recited in claim 2 , whereinthe physical quantity is the SSD, andthe comparing means compares the SSD at the time of imaging and a reference SSD in which imaging is allowed, andthe control means performs a moving operation of the X-ray tube such that the SSD at the time of imaging does not fall below the reference SSD by using the comparison result by the comparing means.4. The X-ray imaging apparatus as recited in claim 1 , whereinthe SSD deriving ...

Radiology assembly and method for aligning such an assembly

A radiology assembly and a method for aligning such an assembly, comprising comprises: an x-ray tube for generating a beam of x-rays that is centered on a main emission direction; and substantially perpendicular to the main emission direction, a planar sensor to receive the x-rays. The radiology assembly comprises: a first divided emitter that is divided into two electromagnetic-field-emitting portions, the emitter being placed so as to emit a first electromagnetic field in a main direction that is substantially perpendicular to the main emission direction, each of the two emitting portions of the divided emitter being positioned on one side of the beam of x-rays; electromagnetic-field sensors that are securely fastened to the planar sensor and that are able to detect the electromagnetic fields emitted by the emitters and to generate a first electrical signal depending on the detected electromagnetic field; and a means for processing the first electrical signal to determine the relative position of the planar sensor with respect to the x-ray tube.

Test Key Design to Enable X-Ray Scatterometry Measurement

A method includes forming a test key. The formation of the test key includes forming a first plurality of semiconductor strips, and cutting the first plurality of semiconductor strips into an array of a second plurality semiconductor strips, with each row of the array being formed from one strip in the first plurality of semiconductor strips, forming isolation regions in recesses between the second plurality of semiconductor strips, and recessing the isolation regions. The top portions of the second plurality of semiconductor strips protrude higher than the isolation regions form semiconductor fins, which form a fin array. An X-ray beam is projected on the test key. A diffraction pattern is obtained from scattered X-ray beam scattered from the test key. 1. A method comprising: forming a first plurality of semiconductor strips;', 'cutting the first plurality of semiconductor strips into an array of a second plurality semiconductor strips, wherein each row of the array is formed from one strip in the first plurality of semiconductor strips;', 'forming isolation regions in recesses between the second plurality of semiconductor strips; and', 'recessing the isolation regions, wherein top portions of the second plurality of semiconductor strips protrude higher than the isolation regions to form semiconductor fins, and the semiconductor fins form a fin array;, 'forming a test key comprisingprojecting an X-ray beam on the test key; andobtaining a diffraction pattern from scattered X-ray beam scattered from the test key.2. The method of claim 1 , wherein the first and the second plurality of semiconductor strips are formed using a manufacturing technology claim 1 , and spacings of the second plurality semiconductor strips in a same row is a minimum spacing of the manufacturing technology.3. The method of claim 1 , wherein the first plurality of semiconductor strips has a uniform pitch.4. The method of claim 1 , wherein the array has a first uniform pitch between rows of the ...

FIELD OF VIEW ADJUSTMENT

The appropriate positioning of a patient in an X-Ray imaging system can present difficulties for medical professional owing, on one hand to the small size of important anatomical aspects which need to be captured in X-Ray images, and on the other hand to the significant movements in a field of view presented by a typical patient. The present application proposes to obtain an image of the position of a patient in the field of view at approximately the same time that an initial X-Ray image is obtained. If it proves necessary to obtain a subsequent X-Ray image with updated field of view settings (for example, collimation parameters), the movement of the patient at the point of taking the second image is factored into the provision of updated field of view settings. 1. An apparatus for adjusting the field of view of an X-ray imaging system , comprising:an input unit; anda processing unit;wherein the input unit is configured to acquire initial patient position image data of a patient in an initial position from a patient position camera based in a first coordinate system of a patient position camera and to acquire initial X-ray image data of the patient from an X-ray system configured into an initial field of view setting,wherein the initial patient position image data and the initial X-ray image data are acquired substantially simultaneously;wherein the processing unit is configured to detect a portion of an item of patient anatomy in the initial X-ray image data, to predict an improved field of view setting for enhanced imaging of the item of patient anatomy in a second coordinate system of the initial X-ray image data, wherein the prediction is provided using an anatomical model, to obtain subsequent patient position image data from the patient position camera, to generate patient position error data by comparing the subsequent patient position image data with the initial patient position image data, and to provide a subsequent field of view setting based on the ...

INTERVENTIONAL X-RAY SYSTEM WITH AUTOMATIC ISO-CENTERING

An interventional X-ray system (), comprises a processing unit (), a table () for receiving a patient (), an X-ray image acquisition device () having an X-ray source () and an X-ray detector () and at least one optical camera () adapted for acquiring optical images of a patient () situated on the table () and for providing image data to the processing unit (). The processing unit () is adapted for segmenting an outline () of a patient from an existing three-dimensional model, for receiving acquired images from the at least one camera () for determining an optical outline () of the patient, for registering the optical outline () to the outline () obtained in the segmentation and for determining a translation vector () representing a required movement of the table for coinciding a center () of the anatomy of interest given in the three-dimensional model with the iso-center () of a rotational X-ray scan that will be performed. By this process, no X-ray exposure or injection of contrast agent is required. 1. An interventional X-ray system , comprising:a processing unit,a table for receiving a patient,an X-ray image acquisition device having an X-ray source and an X-ray detector andat least one optical camera adapted for acquiring optical images of a patient situated on the table and for providing optical image data to the processing unit, wherein the processing unit is adapted for segmenting an outline of a patient from a three-dimensional model,receiving acquired images from the at least one optical camera for determining an optical outline of the patient,registering the optical outline to the outline obtained in the segmentation anddetermining a translation vector representing a required movement of the table for aligning an anatomy of interest in the three-dimensional model with an iso-center of a rotational X-ray scan that will be performed.2. The interventional X-ray system of claim 1 ,wherein the at least one camera is mounted to a gantry, which is adapted for ...

MOBILE GRATING-DETECTOR ARRANGEMENT

A mobile grating-detector arrangement has an X-ray detector and at least one grating. The grating-detector arrangement is configured to record an interferometric X-ray image of at least one body part of a patient in a patient bed in operation. In addition, an X-ray system with such a grating-detector arrangement and its use for X-ray interferometric imaging is described. 1. A mobile grating-detector configuration , comprising:an X-ray detector; andat least one grating configured to record an interferometric X-ray image of at least one body part of a patient in a patient bed in operation.2. The grating-detector configuration according to claim 1 , wherein:the grating-detector configuration is to be positioned between a flat, folded position and an unfolded position; andsaid at least one grating is one of a plurality of gratings and at least some of said gratings are disposed at defined intervals in the unfolded position.3. The grating-detector configuration according to claim 2 , wherein said gratings include a first grating and a second grating claim 2 , said first grating claim 2 , said second grating and said X-ray detector are disposed in parallel at least in the unfolded position.4. The grating-detector configuration according to claim 1 , further comprising a trolley connected to said X-ray detector and said at least one grating claim 1 , with an aid of said trolley claim 1 , said X-ray detector and said at least one grating can be positioned in relation to the patient.5. The grating-detector configuration according to claim 4 , further comprising a supporting plate for the patient.6. The grating-detector configuration according to claim 5 , wherein said supporting plate has markers to position said supporting plate in relation to an X-ray source.7. The grating-detector configuration according to claim 5 , wherein said supporting plate is connected to said trolley.8. An X-ray system claim 5 , comprising:a mobile grating-detector configuration having an X-ray ...

Test Key Design to Enable X-Ray Scatterometry Measurement

A method includes forming a test key. The formation of the test key includes forming a first plurality of semiconductor strips, and cutting the first plurality of semiconductor strips into an array of a second plurality semiconductor strips, with each row of the array being formed from one strip in the first plurality of semiconductor strips, forming isolation regions in recesses between the second plurality of semiconductor strips, and recessing the isolation regions. The top portions of the second plurality of semiconductor strips protrude higher than the isolation regions form semiconductor fins, which form a fin array. An X-ray beam is projected on the test key. A diffraction pattern is obtained from scattered X-ray beam scattered from the test key. 1. A method comprising: forming a first plurality of semiconductor strips;', 'forming isolation regions between the first plurality of semiconductor strips; and', 'recessing the isolation regions, wherein top portions of the first plurality of semiconductor strips protrude higher than the isolation regions to form semiconductor fins;, 'forming a test key comprisingprojecting an X-ray beam on the test key, wherein the X-ray beam has a spot size, and the test key is larger than the spot size; andobtaining a diffraction pattern from scattered X-ray beam scattered from the test key.2. The method of claim 1 , wherein the first plurality of semiconductor strips form an array claim 1 , with a portion of the array covered by the spot size comprising a plurality of rows and columns of the first plurality of semiconductor strips.3. The method of claim 1 , wherein the forming the test key further comprises:forming a second plurality of semiconductor strips; andcutting the second plurality of semiconductor strips into the first plurality of semiconductor strips, with each of the second plurality of semiconductor strips being cut into multiple semiconductor strips.4. The method of claim 1 , wherein the first plurality of ...

APPARATUS FOR AN X-RAY DEVICE

With a screen-filter-mirror unit installed in a sandwich architecture, an x-ray window on a patient or an object can also be visualized during an x-ray recording with a light window. It is advantageous that a screen, a filter and a light window unit are combined in just one unit and with a changing x-ray window only the unit is replaced and/or the attack angle of the unit and the alignment of a light source directed hereto can be attuned to one another. 1. An apparatus , comprising:a filter unit for homogenizing x-ray beams output by an x-ray source;an alignable screen-filter-mirror unit for localizing an x-ray window and having a base plate with at least one cutout formed therein, said filter unit disposed in said at least one cutout; andsaid filter unit having a filter layer with a light-reflecting layer and/or light-reflecting surface, said light-reflecting layer and/or light-reflecting surface of said filter unit is formed on a side of said base plate facing a light source.2. The apparatus according to claim 1 , wherein said filter unit is embodied in a form of a film or a plate.3. The apparatus according to claim 1 , wherein said filter unit is disposed in and/or on and/or under said at least one cutout of said base plate.4. The apparatus according to claim 1 , wherein said alignable screen-filter-mirror unit is designed in a sandwich architecture.5. The apparatus according to claim 1 , wherein light beams of the light source can be deflected according to a propagation of an x-ray beam of the x-ray source using said at least one light-reflecting layer and/or light-reflecting surface of said filter unit.6. The apparatus according to claim 1 , further comprising a collimator claim 1 , said alignable screen-filter-mirror unit can be positioned and aligned in said collimator such that the light source directed at said light-reflecting layer and/or light-reflecting surface of said alignable screen-filter-mirror unit deflects light beams originating herefrom on said ...

A method of markerless measurement and calculation for personalized and reproducible breath holds for radiation therapy and medical imaging

A method of customized breathing maneuver guidance during radiotherapy treatment by configuring to a treatment couch an augmented reality system that includes a mounting assembly, a position measurement module to measure a distance from a fixed position to a patient anatomic region during a breathing cycle, and a breath monitoring and instruction screen viewable by the patient disposed proximal to the fixed position, where the patient monitors and controls a state of their breathing cycle in real time from breath state information displayed on the instruction screen, and determining the anatomic region for monitoring to measure the distance from the fixed position, determining a patient-customized breath hold amplitude by measuring a distance between a baseline exhale position a maximum inhale position, and entering breath hold amplitude data to a computer for subsequent breath hold guidance regardless of the treatment couch model setup and patient weight variations. 1) A method of customized breathing maneuver guidance during radiotherapy treatment , comprising:a) configuring an augmented reality system to a treatment couch, wherein said augmented reality system comprises a mounting assembly, a position measurement module configured to measure a distance from a fixed position to an anatomic region of a patient during a patient breathing cycle, and a patient breath monitoring and instruction screen that is viewable by said patient and is disposed proximal to said fixed position, wherein said patient monitors and controls a state of their breathing cycle in real time according to breath state information displayed on said breath monitoring and instruction screen;b) using said augmented reality system to determine said anatomic region for monitoring and to measure said distance from said fixed position; andc) using said augmented reality system to determine a patient-customized breath hold amplitude of said anatomic region of said patient by measuring a distance ...

RADIOGRAPHY SYSTEM AND METHOD FOR OPERATING RADIOGRAPHY SYSTEM

A composite image generation unit of a CPU of a console combines a camera image obtained by capturing an image of a subject located in an irradiation field using a camera and a positioning index image indicating a set position of the subject, which has been set in advance with respect to an in-image cassette position that is the position of the electronic cassette in the camera image, to generate a composite image. In a case in which the in-image cassette position is changed with the movement of the electronic cassette, the composite image generation unit changes a display position of the positioning index image with the change in the in-image cassette position. 1. A radiography system comprising:a camera image acquisition unit that, in a case in which radiography is performed using an electronic cassette that detects a radiographic image based on radiation which has been emitted from a radiation source and transmitted through a subject, acquires a camera image obtained by capturing an image of the subject located in an irradiation field which is a region irradiated with the radiation using a camera;a detection unit that detects an in-image cassette position which is a position of the electronic cassette in the camera image, using the camera image;a composite image generation unit that combines the camera image and a positioning index image indicating a set position of the subject, which has been set in advance with respect to the in-image cassette position, to generate a composite image and, in a case in which the in-image cassette position in the camera image is changed with movement of the electronic cassette, changes a display position of the positioning index image in the composite image with the change in the in-image cassette position; anda display controller that performs control such that the composite image is displayed on a display unit.2. The radiography system according to claim 1 ,wherein the composite image generation unit displays a cassette position ...

SYSTEMS AND METHODS FOR DETERMINING A TARGET POSITION OF A SCANNING TABLE

A system and method for positioning a scanning table are provided. The method may include obtaining a body length of an object; and determining the number of table positions for scanning the object based on a length of each scanning region of the scanning table, an initial length of an overlapping region of the scanning table at two adjacent table positions, and the body length of the object. 1. A method implemented on at least one computing device , each of which has at least one processor and a storage for positioning a scanning table , the method comprising:obtaining a body length of an object; anddetermining the number of table positions for scanning the object based on a length of each scanning region of the scanning table, an initial length of an overlapping region of the scanning table at two adjacent table positions, and the body length of the object.2. The method of claim 1 , further comprising:determining an effective length of the overlapping region of the scanning table at two adjacent table positions based on the number of the table positions and the body length of the object; andadjusting the overlapping region of the scanning table at two adjacent table positions based on the effective length of the overlapping region.3. The method of claim 2 , further comprising:obtaining positioning information of the object on the scanning table;determining a scanning direction for scanning the object based on the positioning information;determining a scanning region of the object corresponding to each table position based on the scanning direction, the number of the table positions, and a first predetermined relationship between a plurality of scanning regions of one or more objects and a plurality of corresponding table positions; andsetting a scanning protocol at each table position based on the scanning region of the object corresponding to the each table position.4. The method of claim 3 , wherein the predetermined relationship between a plurality of scanning ...

FLUOROSCOPY SYSTEM

A fluoroscopy system includes a fluoroscopy device, an indicating assembly and a center control device. The fluoroscopy device includes a contoured support arm, an X-ray emitting unit, an X-ray sensor and a display unit. The contoured support arm has a first end part and a second end part opposite to the first end part. The X-ray emitting unit is located on the first end part and is configured to emit an X-ray. The X-ray sensor is located on the second end part to sense the X-ray. The display unit is electrically connected to the X-ray sensor. The indicating assembly is located near the contoured support arm and includes a plurality of light emitting units. Each of the plurality of light emitting units is rotatable and configured to emit a light plane. The center control device is electrically connected to the fluoroscopy device and the indicating assembly. 1. A fluoroscopy system , comprising:a fluoroscopy device, comprising a contoured support arm, an X-ray emitting unit, an X-ray sensor and a display unit, wherein the contoured support arm has a first end part and a second end part opposite to the first end part, the X-ray emitting unit is located on the first end part and is configured to emit an X-ray, the X-ray sensor is located on the second end part to sense the X-ray to form an X-ray image, the display unit is electrically connected to the X-ray sensor to display the X-ray image;an indicating assembly, located near the contoured support arm and comprising a plurality of light emitting units, wherein each of the plurality of light emitting units is rotatable and configured to emit a light plane; anda center control device, electrically connected to the fluoroscopy device and the indicating assembly;wherein the center control device is configured to control a rotation angle of each of the plurality of light emitting units, and the light planes respectively emitted by at least two of the plurality of light emitting units intersect to form an indicating light ...

RADIOLOGICAL IMAGING DEVICE WITH IMPROVED FUNCTIONING

A radiological imaging device that includes a source that emits radiation that passes through at least part of a patient, the radiation defining, a central axis of propagation; and a receiving device that receives the radiation and is arranged on the opposite side of the patient with respect to the source. The receiving device includes a first detector to detect radiation when performing at least one of tomography and fluoroscopy, a second detector to detect radiation when performing at least one of radiography and tomography; and a movement apparatus arranged to displace the first and second detectors with respect to the source. The movement apparatus provides a first active configuration in which the radiation hits the first detector and a second active configuration in which the radiation hits the second detector. 1. A radiological imaging device comprising:a source that emits radiation that passes through at least part of a patient, the radiation defining a central axis of propagation; anda receiving device, wherein the receiving device includes at least one flat panel sensor that has a radiation sensitive surface for receiving the radiation and is arranged on the opposite side of the patient with respect to the source, the flat panel sensor being selectably operable in at least a flat panel mode and a linear sensor mode.2. The radiological imaging device of claim 1 , wherein the flat panel mode is adapted to perform at least one of fluoroscopy and tomography claim 1 , and the linear sensor mode is adapted to perform at least one of radiography and tomography.3. The radiological imaging device of further comprisinga gantry defining an analysis zone in which the at least part of the patient is placed;a bed suitable to support the patient and defining an axis of extension;a translation mechanism adapted to translate the source and the receiving device in a direction of movement substantially perpendicular to the central axis of propagation;a rotation mechanism ...

Radiation generating apparatus, radiation photographing system, and sighting projector unit included therein

A radiation generating apparatus includes a radiation generating unit which emits radiation from a focal point thereof; and a sighting projector unit including a reflector plate, a visible light source configured to irradiate the reflector plate with visible light, and a movable diaphragm configured to adjust an opening size of an aperture portion formed by a plurality of restriction blades. The reflector plate is composed of a concave mirror used to allow transmission of the radiation therethrough, and to form a visible-light-irradiated field by reflecting visible light from the visible light source in the direction of the aperture portion.

Tumor Position Determination

A computer-implemented tumor position determining model is trained, based on a plurality of sets of image data, to determine a subsequent position of a tumor in a subject based on a subsequent 2D or 3D representation of a surface of the subject, an initial image of the tumor in the subject and an initial 2D or 3D representation of a surface of the subject. Each set of image data comprises an initial training image of a tumor in a subject, an initial training 2D or 3D representation of a surface of the subject, a subsequent training image of the tumor in the subject and a subsequent training 2D or 3D representation of a surface of the subject. The subsequent training image and the subsequent training 2D or 3D representation are taken at a subsequent point in time than the initial training image and the initial training 2D or 3D representation and the plurality of sets of image data are from a plurality of different subjects.

Device for positioning a patient during acquisition of volumetric CBCT radiographs

A radiographic apparatus includes a gantry and a table supporting a patient and having a device that immobilizes the head of the patient lying on the table. Such device includes a dome configured to support the head of the patient; a basal plate; one or more junctions provided at a first end of the basal plate; two uprights provided at a second end of the basal plate opposed to the first end, two slits being defined in the two uprights, a slide being disposed within each slit; and a cursor sliding in the two slits and configured to be blocked in position by a bushing, wherein the basal plate, the one or more junctions, the two uprights, the cursor, and the bushing are all radio-transparent and non-metallic. 1. A radiographic apparatus comprising a gantry and a table for supporting a patient , the table comprising a device configured to immobilize a head of the patient lying on the table , a dome configured to support the head of the patient therein;', 'a basal plate;', 'at least one junction provided at a first end of the basal plate;', 'two uprights provided at a second end of the basal plate opposed to the first end, two slits being defined in the two uprights, a slide being disposed within each slit; and', 'a cursor sliding in the two slits and configured to be blocked in position by a bushing, and, 'wherein the device configured to immobilize a head of the patient compriseswherein the basal plate, the at least one junction, the two uprights, the cursor, and the bushing are all radio-transparent and non-metallic.2. The radiographic apparatus according to claim 1 , wherein the device configured to immobilize the head of the patient is provided with a coupling and releasing system to the table claim 1 , the coupling and releasing system comprising a plurality of pins disposed under the basal plate claim 1 , a plurality of bushings being provided on the table at mating points claim 1 , so as to enable an insertion of the plurality of pins into the plurality of ...

Anti-fall mechanism for lifting equipment

A lifting equipment is provided. The lifting equipment may include a working assembly, a safety assembly, and a shaft assembly. The working assembly may include a working fastener. The working fastener may be spirally connected to the shaft assembly. When the shaft assembly rotates the working fastener may move along the shaft assembly. The safety assembly may comprise a limiting component. The limiting component may be connected to the working fastener. A portion of the safety assembly may be in located a space between the limiting component and the working assembly.

X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME

An X-ray imaging apparatus and control method for the same relate to a mobile X-ray imaging apparatus that allows a user to recognize whether the X-ray imaging apparatus is in an appropriate imaging distance from an object. The X-ray imaging apparatus includes an X-ray source, an input unit that receives distance information between the X-ray source and an X-ray detector, a reference light emitter that irradiates a light from the X-ray source in a direction where the X-ray detector is placed, at least one auxiliary light emitter that irradiates a light that overlaps with a light from the reference light emitter; and a controller that determines an auxiliary light emitter corresponding to the distance information among the at least one auxiliary light emitter, and controls the reference light emitter and the determined auxiliary light emitter so that the reference light emitter and the determined auxiliary light emitter irradiate a light. 1. An X-ray imaging apparatus comprising:an X-ray source;an input unit configured to receive distance information between the X-ray source and an X-ray detector;a reference light emitter configured to irradiate a light from the X-ray source to a direction in which the X-ray detector is placed;at least one auxiliary light emitter provided apart from the reference light emitter by a first predetermined distance and configured to irradiate a light to be overlapped with a light from the reference light emitter in a second predetermined distance; anda controller configured to:determine an auxiliary light emitter corresponding to the distance information among the at least one auxiliary light emitter based on the distance information; andcontrol the reference light emitter and the determined auxiliary light emitter so that the reference light emitter and the determined auxiliary light emitter irradiate a light.2. The X-ray imaging apparatus of wherein the at least one auxiliary light emitter is configured such that a light irradiated from ...

Method and System for Controlling Computer Tomography Imaging

A method, a device, a system and a computer program are for controlling limited-area computer tomography imaging. The method includes determining location data of a first imaging object when the first imaging object is positioned in an imaging area, determining reference location data related to the first imaging object and adjusting the imaging area based on the location data of the first imaging object and said reference location data for imaging a second imaging object. The first and the second imaging object can be located at a distance determined by the reference location data from each other or symmetrically in relation to the reference location data.

TUBE-DETECTOR ALIGNMENT USING LIGHT PROJECTIONS

The present invention relates to acquisition of medical image information of an object. In order to provide a user-friendly alignment of X-ray tube () and a detector (), optionally combined with an anti-scatter grid, an alignment arrangement () is proposed, which comprises a tube attachment () with a first light projection device () and a detector attachment () with a second light projection device (). The first and second light projection devices each generate a light pattern () on a projection surface (). The tube attachment () and the detector attachment () can be brought into a correct spatial arrangement relative to each other by bringing the first light pattern in a predetermined spatial relation with the second light pattern () on the projection surface. 1. An alignment arrangement for X-ray imaging , comprisinga tube attachment with a first light projection device;a detector attachment with a second light projection device;wherein the tube attachment is configured to mount the first light projection device to an X-ray tube;wherein the detector attachment is configured to connect the second light projection device to an X-ray detector;wherein the first light projection device is adapted to generate a first light pattern on a projection surface;wherein the second light projection device is adapted to generate a second light pattern on the projection surface;wherein the first light pattern is in a predetermined spatial relation with the second light pattern on the projection surface in the event that the tube attachment and detector attachment are correctly spatially arranged relative to each other.2. Alignment arrangement according to claim 1 , wherein the first and/or second light pattern on the projection surface comprise a plurality of lines.3. Alignment arrangement according to claim 1 , wherein the light pattern of the second light projection device indicate a spatial position of edges of the detector attachment.4. Alignment arrangement according to claim ...

X-RAY RING MARKERS FOR X-RAY CALIBRATION

Various embodiments of the present disclosure include a C-arm registration system employing a controller () for registering a C-arm () to a X-ray ring marker (). The X-ray ring marker () includes a coaxial construction of a chirp ring () and a centric ring () on an annular base (). In operation, the controller () acquires a baseline X-ray image illustrative of the X-ray ring marker () within a baseline X-ray projection by the C-arm () at a baseline imaging pose, derives baseline position parameters of the X-ray ring marker () within the baseline X-ray projection as a function of an illustration of the centric ring () within the baseline X-ray image, and derives a baseline twist parameter of the X-ray ring marker () within the baseline X-ray projection as a function of the baseline position parameters and of an illustration of the chirp ring () within the baseline X-ray image. 1. A C-arm registration system , comprising:a X-ray ring marker including a coaxial construction of a chirp ring and a centric ring on an annular base; and acquire a baseline X-ray image illustrative of the X-ray ring marker within a baseline X-ray projection by the C-arm at a baseline imaging pose;', 'derive baseline position parameters of the X-ray ring marker as a function of an illustration of the centric ring within the baseline X-ray image, the baseline position parameters being definitive of a position of the X-ray ring marker within the baseline X-ray projection; and', 'derive a baseline twist parameter of the X-ray ring marker as a function of the baseline position parameters and of an illustration of the chirp ring within the baseline X-ray image, the baseline twist parameter being definitive of a twist of the X-ray ring marker within the baseline X-ray projection., 'a C-arm registration controller for registering a C-arm to the X-ray ring marker, wherein the C-arm registration controller-(is configured to2. The C-arm registration system as claimed in claim 1 , wherein the C-arm ...

INTRAORAL SENSOR DEVICE AND INTRAORAL X-RAY IMAGING SYSTEM USING SAME

The present invention provides an intraoral sensor device comprising: a sensor module containing a sensor panel; and a light-emitting device for radiating visible light or an infrared ray. 1. An intraoral sensor device comprising:a sensor module including a sensor panel;a cover attached to the sensor module; anda light-emitting device mounted in the cover and emitting visible rays or infrared rays.2. The intraoral sensor device of claim 1 , wherein the light-emitting device is arranged in at least one of a front or a side of the sensor module.3. (canceled)4. The intraoral sensor device of claim 1 , wherein the cover is detachably attached to the sensor module.5. (canceled)6. (canceled)7. (canceled)8. An intraoral imaging system comprising:an intraoral sensor device;a light-emitting device lighting infrared rays mounted in the intraoral sensor device, a cover enclosing at least a part of the intraoral sensor device; anda X-ray imaging device including an infrared sensor generating position data of the intraoral sensor device by detecting the infrared rays, a projection module projecting a sample image toward the intraoral sensor device, and an X-ray irradiator.9. The intraoral sensor device of claim 1 , wherein the cover has an inlet for inserting the sensor module and a receiving space for mounting the sensor module.10. The intraoral sensor device of claim 1 , wherein the cover is enclosing the periphery of the sensor module and is formed as a frame having one side open.11. The intraoral sensor device of claim 1 , wherein the light-emitting device emits the visible rays or the infrared rays in different wavelength bands.12. The intraoral sensor device of claim 1 , wherein the light-emitting device emits the visible rays or the infrared rays in different light emission patterns of different on/off periods.13. The intraoral sensor device of claim 1 , wherein the light-emitting device emits the visible rays or the infrared rays in a predetermined shape.14. The ...

MOBILE X-RAY IMAGING WITH DETECTOR DOCKING WITHIN A SPATIALLY REGISTERED COMPARTMENT

The present approach relates to the use of a spatially registered detector docking compartment to determine source and detector alignment in a patient imaging context. In certain implementations, sensors and/or cameras provide visual data that may be analyzed to determine a spatial relation between an X-ray source and landmarks provided on a patient support surface, where the landmarks have a known spatial relationship to a detector positioned beneath the patient support surface. 1. A method for determining an X-ray scan geometry , comprising:positioning a portable detector within a docking compartment provided in a patient support structure;positioning a mobile X-ray imager with respect to the patient support structure, wherein the mobile X-ray imager comprises an X-ray source in a known geometric relationship to an optical sensor;analyzing a visual image generated by the optical sensor of one or more landmarks provided on a patient-facing surface of the patient support structure;determining a source-detector geometry based on a known spatial relationship between the one or more landmarks and the docking compartment.2. The method of claim 1 , wherein the analyzing the visual image of the X-ray source provides the known geometric relationship to the optical sensor.3. The method of claim 1 , wherein positioning the portable detector within the docking compartment comprises engaging with portable detector with one or more positioning features within the docking compartment.4. The method of claim 3 , wherein the one or more positioning features comprise complementary mating or engagement features.5. The method of claim 1 , wherein the patient support structure comprises a patient bed claim 1 , a gurney claim 1 , or an incubator.6. The method of claim 1 , wherein the mobile X-ray imager is configured to move the X-ray source so as to acquire a sequence of images at different views during an acquisition sequence.7. The method of claim 1 , further comprising:acquiring the ...

ALIGNING A FIELD OF VIEW OF A MEDICAL DEVICE WITH A DESIRED REGION ON A SUBJECT'S BODY

A system and method are provided for aligning a field of view (FOV) of a movable part of a medical device with a desired region on a subject's body. In the system, a position detecting unit detects an identifiable optical front projected on the subject's body and at least partially overlapping with the desired region and generates information corresponding to a spatial position of the identifiable optical front. From the information, a processing module determines the spatial position of the identifiable optical front with respect to a known position of the FOV and generates an instruction set that corresponds to one or more mechanical adjustments of the movable part to change a position of the FOV from the known position to the spatial position of the identifiable optical front. An executing module directs a moving mechanism of the movable part to carry out mechanical motions according to the instruction set. 1. A system for aligning a field of view of a movable part of a medical device with a desired region on a body of a subject by projecting an identifiable optical front on the body of the subject such that the identifiable optical front at least partially overlaps with the desired region on the body of the subject , the system comprising:a position detecting unit configured to detect the identifiable optical front while the identifiable optical front at least partially overlaps with the desired region on the body of the subject, wherein the position detecting unit is further configured to generate information corresponding to a spatial position of the identifiable optical front;a processing module configured to receive the information from the position detecting unit and to determine the spatial position of the identifiable optical front with respect to a known position of the field of view of the movable part of the medical device, wherein the processing module is further configured to generate an instruction set corresponding to one or more mechanical ...

X RAY IMAGING METHOD USING VARIABLE IMAGING PLANE PROJECTION AND X RAY IMAGING DEVICE APPLYING THE SAME

The present disclosure relates to an x-ray imaging method using a variable imaging plane projection and to an x-ray imaging device applying the same. By applying a variable imaging plane projection using at least two sets of scan data for different heights obtained while varying the height of the x-ray generator from an imaging object, it is possible to solve problems caused due to a magnification effect generated in the x-ray imaging field based on a fan-beam-type or cone-beam-type x-ray generator, thereby providing more accurate x-ray image information. 1. An x-ray imaging method using an x-ray imaging device having an x-ray generator and an x-ray detector which are disposed such that an imaging object is interposed therebetween , the x-ray imaging method comprising:obtaining at least two sets of scan data for different heights by varying a height of the x-ray generator from the x-ray detector; andapplying a variable imaging plane projection using the at least two sets of obtained scan data to image an imaging target object in the imaging object at an actual position and size.3. The x-ray imaging method of claim 1 , wherein the variable imaging plane projection sets variable heights of the imaging target object consecutively determined along a scan direction to x-ray projection points at respective positions at arbitrary moments claim 1 , and causes the imaging target object to be projected at a calculated actual size by varying the imaging plane with respect to each of the heights at the arbitrary moments.4. The x-ray imaging method of claim 1 , wherein the x-ray generator uses a fan beam claim 1 , and the x-ray detector is configured in a one-dimensional-array (1D array) type.5. The x-ray imaging method of claim 4 , wherein during the postorder scan claim 4 , the scan is performed after the x-ray generator is shifted horizontally with a difference of a half pixel of the x-ray detector in comparison with the preorder scan.6. The x-ray imaging method of claim 4 , ...

SYSTEMS AND METHODS FOR TAKING X-RAY IMAGES

The present disclosure relates to systems and methods for taking X-ray images. The method may include obtaining reference data associated with an object, the reference data including at least one of height data or historical data. The method may also include determining at least one of a start point or an end point of an imaging region associated with the object based on the reference data. The method may further include causing to take an X-ray image of the imaging region based on at least one of the start point or the end point. 120-. (canceled)21. A method for taking X-ray images , implemented on a computing device including a processor and a storage , comprising:obtaining reference data associated with an object, the reference data comprising at least one of height data or historical data;determining, based on the reference data, at least one of a start point or an end point of an imaging region associated with the object; andcausing to take an X-ray image of the imaging region based on at least one of the start point or the end point.22. The method of claim 21 , further comprising:obtaining the height data using a height measuring device.23. The method of claim 21 , further comprising:transmitting a control signal associated with at least one of the start point or the end point to an indicating device, wherein the indicating device is to present at least one of the start point or the end point while taking the X-ray image.24. The method of claim 23 , wherein the indicating device is movably installed on a support for carrying the imaging object.25. The method of claim 23 , wherein the indicating device comprises a laser indicating device.26. The method of claim 25 , wherein the laser indicating device comprises an emitting unit and a receiving unit claim 25 , the receiving unit synchronously moving with the emitting unit and being at a same height with the emitting unit.27. The method of claim 21 , wherein the determining claim 21 , based on the reference data ...

REAL-TIME TRACKING FOR FUSING ULTRASOUND IMAGERY AND X-RAY IMAGERY

A registration system includes a controller (). The controller () includes a memory () that stores instructions; and a processor () that executes the instructions. When executed, the instructions cause the controller () to execute a process that includes obtaining a fluoroscopic X-ray image (S) from an X-ray imaging system (), and a visual image (S) of a hybrid marker () affixed to the X-ray imaging system () from a camera system (). A transformation between the hybrid marker () and the X-ray imaging system () is estimated (S) based on the fluoroscopic X-ray image. A transformation between the hybrid marker () and the camera system () is estimated (S) based on the visual image. Ultrasound images from an ultrasound system () are registered (S) to the fluoroscopic X-ray image from the X-ray imaging system () based on the transformation estimated between the hybrid marker () and the X-ray imaging system (), so as to provide a fusion of the ultrasound images to the fluoroscopic X-ray image. 1100160. A registration system () that includes a controller () , the controller comprising:{'b': '162', 'a memory () that stores instructions; and'}{'b': '161', 'a processor () that executes the instructions,'}{'b': 161', '160, 'wherein, when executed by the processor (), the instructions cause the controller () to execute a process comprising{'b': 810', '190', '820', '110', '190', '140', '190, 'obtaining a fluoroscopic X-ray image (S) from an X-ray imaging system (), and a visual image (S) of a hybrid marker () affixed to the X-ray imaging system () from a camera system () separate from the X-ray imaging system ();'}{'b': 830', '110', '190', '840', '110', '140, 'estimating a transformation (S) between the hybrid marker () and the X-ray imaging system (), based on the fluoroscopic X-ray image, and estimating a transformation (S) between the hybrid marker () and the camera system () based on the visual image; and'}{'b': 850', '156', '190', '110', '190, 'registering ultrasound images ...

RADIOLOGICAL IMAGING DEVICE WITH ADVANCED SENSORS

A radiological imaging device that includes a gantry defining an analysis zone in which at least part of a patient is placed, a source suitable to emit radiation defining a central axis of propagation; a detector suitable to receive the radiation, a translation mechanism adapted to translate the source and the detector in a direction of movement substantially perpendicular to the central axis of propagation; and a control unit adapted to acquire an image from data signals received continuously from the detector while the translation mechanism continuously translates the source emitting the radiation and the detector receiving the radiation, so as to scan the at least part of the patient. 1. A radiological imaging device comprising:a gantry defining an analysis zone in which at least part of a patient is placed;a source suitable to emit radiation that passes through the at least part of the patient, the radiation defining a central axis of propagation;a detector suitable to receive the radiation, and the detector includes at least one flat panel sensor having a radiation sensitive surface and operable in at least a flat panel mode and a linear sensor mode;a translation mechanism adapted to translate the source and the detector in a direction of movement substantially perpendicular to the central axis of propagation; anda control unit adapted to acquire an image from data signals received continuously from the detector while the translation mechanism continuously translates the source emitting the radiation and the detector receiving the radiation, so as to scan the at least part of the patient.2. The radiological imaging device according to claim 1 , further comprising a bed suitable to support the patient and defining an axis of extension.3. The radiological imaging device according to claim 2 , wherein the direction of movement is substantially parallel to the axis of extension.4. The radiological imaging device according to claim 2 , further comprising a rotation ...

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM

An information processing device including at least one processor, wherein the processor is configured to: acquire distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; and control the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance. 1. An information processing device comprising at least one processor , wherein the processor is configured to:acquire distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; andcontrol the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance.2. The information processing device according to claim 1 , wherein the processor is configured to perform control to project the projection image having the size corresponding to the projection distance indicated by the distance information onto the projection surface such that a size of a display image displayed on the projection surface by the projection of the projection image at ...

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM

An information processing device including at least one processor, wherein the processor is configured to: acquire a radiographic image captured by irradiating a breast compressed by a compression member with radiation; generate a projection image, which includes guide information serving as a guide in a case in which the breast is compressed and is capable of identifying whether the guide information is related to a right breast or a left breast, on the basis of a shape of the breast in the compressed state indicated by the radiographic image; and control an image projection unit which projects the projection image onto a first projection surface of the compression member such that the projection image is projected onto the first projection surface. 1. An information processing device comprising at least one processor , wherein the processor is configured to:acquire a radiographic image captured by irradiating a breast compressed by a compression member with radiation;generate a projection image, which includes guide information serving as a guide in a case in which the breast is compressed and is capable of identifying whether the guide information is related to a right breast or a left breast, on the basis of a shape of the breast in the compressed state indicated by the radiographic image; andcontrol an image projection unit which projects the projection image onto a first projection surface of the compression member such that the projection image is projected onto the first projection surface.2. The information processing device according to claim 1 , wherein the processor is configured to:generate the projection image while changing a display aspect depending on whether the guide information is related to the right breast or the left breast; andcontrol the image projection unit such that the projection image is projected onto the first projection surface.3. The information processing device according to claim 1 , wherein the processor is configured to:generate ...

CONTROL DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

A control device including: at least one processor, wherein the processor is configured to detect whether or not a compression member which compresses a breast is attached to a main body of a mammography apparatus and control an image projection unit which projects a projection image onto a projection surface of the compression member such that the projection image is projected onto the projection surface in a case in which it is detected that the compression member is attached. 1. A control device comprising:at least one processor,wherein the processor is configured todetect whether or not a compression member which compresses a breast is attached to a main body of a mammography apparatus andcontrol an image projection unit which projects a projection image onto a projection surface of the compression member such that the projection image is projected onto the projection surface in a case in which it is detected that the compression member is attached.2. A control device comprising:at least one processor,wherein the processor is configured todetect whether or not a compression member which compresses a breast is attached to a main body of a mammography apparatus andcontrol an image projection unit which projects a projection image onto a projection surface of the compression member such that the projection image is not projected onto the projection surface in a case in which it is detected that the compression member is not attached.3. The control device according to claim 1 ,wherein the processor is further configured to detect whether or not the compression member starts to move in a direction in which the breast is compressed and performs control to project the projection image onto the projection surface in a case in which it is detected that the compression member is attached and starts to move.4. The control device according to claim 1 ,wherein the processor is configured to instruct the mammography apparatus on an imaging menu related to the capture of an ...

Automatic organ program selection method, storage medium, and x-ray medical device

The present disclosure relates to an automatic organ program selection method, a storage medium, and an X-ray medical device. According to an implementation, an automatic organ program selection method for X-ray imaging comprises: acquiring an image of a person to be detected; performing organ detection based on the image of the person to be detected, so as to determine an organ to be detected; providing organ programs to be selected that correspond to the organ to be detected; and determining an organ program for the organ to be detected so as to perform X-ray imaging. The present disclosure can greatly reduce the time for setting a system, and reduce the impact of patient movement on determination of an organ program, thereby improving examination efficiency.

Control device and control program

A control device including: at least one processor, wherein the processor is configured to acquire inclination information indicating an inclination of an imaging surface of an imaging table in a mammography apparatus that irradiates a breast in a compressed state between the imaging surface of the imaging table and a compression member with radiation from a radiation source to capture a radiographic image and perform control to adjust information, which is displayed on a projection surface of the compression member by projection of a projection image by an image projection unit, according to the inclination indicated by the inclination information.

Alignment system

Disclosed is an alignment indication system for an X-ray to align a sensor with X-rays emitted from a collimator that includes a conductive surface and two contacts that abut the conductive surface when an alignment ring holding the sensor is properly aligned with the collimator to activate an indicator such as a light when the sensor is properly aligned.

RADIOGRAPHIC APPARATUS

A radiation imaging apparatus discriminates a light exposure field of visible light regardless of the color of the clothes (gown) of a subject. The apparatus for the X-ray imaging apparatus has an adjustable exposure field and a color sensor mounted to the underside of a collimator detects a color of the clothes (gown) worn by the subject on the table. Each light amount of a first LED that emits a red light, a second LED that emits a green light and a third LED that emits a blue light and a fourth LED that emits a white light is individually adjusted based on the color of the clothes worn by the subject, which the color sensor discriminates. 1. A radiation imaging apparatus , comprising:a radiation irradiation unit;a radiation detector that detects a radiation that is irradiated from said radiation irradiation unit and transmits through a subject;a collimator that comprises a plurality of collimator-leaves that modifies an exposure field of said radiation that is irradiated from said radiation irradiation unit to said subject;a light source that emits a visible light to visually discriminate a radiation exposure field that is adjusted with said collimator-leaves;a discriminator that discriminates a color of clothes worn by said subject; anda color modification unit that modifies said color of said visible light, which said light source emits, based upon said color of a clothes worn by said subject, which said discriminator discriminates.2. The radiation imaging apparatus claim 1 , according to claim 1 , wherein:said discriminator is a color sensor that discriminates the color of clothes worn by said subject.3. The radiation imaging apparatus claim 2 , according to claim 2 , wherein:the light source further comprises a first LED that emits a red light, a second LED that emits a green light, and a third LED that emits a blue light.4. The radiation imaging apparatus claim 3 , according to claim 3 , wherein:said light source further comprises a fourth LED that emits a ...

AN X-RAY EXPOSURE AREA REGULATION METHOD, A STORAGE MEDIUM, AND AN X-RAY SYSTEM

The present invention provides an X-ray exposure area regulation method, a storage medium, and an X-ray system. According to one embodiment of the present invention, the X-ray exposure area regulation method comprises: monitoring the state of an object under test (OUT) in real time and acquiring an initial image of the OUT when the state of the OUT satisfies the preset condition, determining an area of interest (AOI) in said initial image, and setting said X-ray exposure area based on the information of said AOI. The present invention can realize automatic regulation of an exposure area in the X-ray system according to the OUT. The present invention can not only facilitate operations and improve test efficiency, but also free patients from exposure to unnecessary radiations. 1. An X-ray exposure area regulation method , the method comprising:monitoring a state of an object under test (OUT) in real time;acquiring an initial image of the OUT when the state of the OUT satisfies a predetermined condition;determining an area of interest (AOI) in the initial image; andsetting an X-ray exposure area based on information associated with the determined AOI in the initial image.2. The X-ray exposure area regulation method as claimed in claim 1 , further comprising:preprocessing the initial image to form a preprocessed image;segmenting the preprocessed image to form a plurality of segmented areas; andselecting an AOI from within the plurality of segmented areas.3. The X-ray exposure area regulation method as claimed in claim 2 , wherein the act of preprocessing includes one or more of binarization processing and contour processing.4. The X-ray exposure area regulation method as claimed in claim 2 , further comprising:segmenting, via a watershed algorithm, the preprocessed image to obtain a distance map; andforming the plurality of segmented areas on the distance map.5. The X-ray exposure area regulation method as claimed in claim 4 , further comprising:selecting the AOI in an ...

System and method for diagnosis and treatment

A method may include acquiring a first image including a target point and a first reference point, the target point corresponding to at least one part of a subject, the first reference point corresponding to a first marker disposed on the couch of the medical device; determining a first spatial position of the first marker, the first spatial position corresponding to a first working position of the couch; determining a first spatial position of the at least one part of the subject based on the first image and the first spatial position of the first marker; determining a second spatial position of the first marker, the second spatial position corresponding to a second working position of the couch; determining a second spatial position of the at least one part of the subject based on the second spatial position of the first marker and the first spatial position of the at least one part of the subject. In some embodiments, the method may further include adjusting the second working position of the couch based on the second spatial position of the at least one part of the subject.

COMPUTED TOMOGRAPHY AND POSITIONING OF A VOLUME TO BE IMAGED

The invention relates to positioning a volume to be imaged for computed tomography imaging. According to the invention, at least two optical cameras () are used for taking a photo or for live imaging an anatomy from different directions. A volume positioning indicator () is shown in connection with these images, the volume positioning indicator () indicating the location of the volume within the area imaged by the cameras () to get imaged by the computed tomography imaging apparatus (). 2. A method according to claim 1 , wherein said volume positioning indicator shown in the at least two images has been arranged to get positioned in the second image always at a point with respect to a particular head-area anatomy which corresponds to its position in the first image.3. A method according to claim 1 , wherein said first image is taken substantially from the direction of the human or animal face and the second image substantially from the side of the head claim 1 , both said first and second images from the direction of a plane determined by a dental arch claim 1 , and by said means for showing image information is show claim 1 , in addition to thus taken first and second image claim 1 , a third image indicating a jawbone or a dental arch as seen from a perpendicular direction with respect to the plane determined by said dental arch and in all of which images claim 1 , also the volume positioning indicator is shown claim 1 , and the position of the volume positioning indicator is shown in said first and second image always at a point in the imaging area according to where it is located in said third image.4. A method according to claim 1 , wherein dimensions of said volume positioning indicator are changeable.5. A method according to claim 1 , wherein said optical camera is a camera producing live image and the first and the second images shown on the display are real-time image of said head positioned in the imaging area.6. A method according to claim 1 , wherein the ...

RADIATION TRACKING FOR PORTABLE FLUOROSCOPY X-RAY IMAGING SYSTEM

A method for fluoroscopy energizes a radiation source to form a scout image on a detector and processes the scout image to determine and report a radiation field position with respect to a predetermined zone of the detector. The radiation source is energized for fluoroscopic imaging of a subject when the reported radiation field position is fully within the predetermined zone.

Radiography apparatus

A radiography apparatus includes: an irradiation unit that emits radiation; an arm to which the irradiation unit and an image receiving unit that receives the radiation are capable of being attached at a position where the irradiation unit and the image receiving unit face each other with a subject interposed therebetween and which is rotated to reverse a positional relationship between the irradiation unit and the image receiving unit with respect to the subject; a first light source that is provided in the irradiation unit and emits visible light indicating an irradiation field of the radiation; and a second light source that is provided in the image receiving unit and emits visible light indicating a center position of the irradiation field of the radiation emitted by the irradiation unit.

Automatic positioning of an x-ray source by way of segmentation

At least one example embodiment provides a method for automatic positioning of an X-ray source of a medical X-ray system with a mobile X-ray detector. The method includes determining an examination region of the examination object, acquiring a position and a location of the examination object and the examination region by way of an optical position determining system, localizing the examination region, ascertaining a field point of the central ray of the X-ray source and a collimator size of the X-ray source based on the localized examination region, and automatic positioning of the X-ray source based on the field point and the collimator size.

X-RAY COMPUTED TOMOGRAPHY IMAGING APPARATUS AND X-RAY TUBE APPARATUS

According to one embodiment, an X-ray computed tomography imaging apparatus includes an X-ray tube, an X-ray detector, and control circuitry. The X-ray tube includes a cathode configured to generate thermoelectrons, an anode configured to generate X-rays upon receiving the thermoelectrons from the cathode, and a regulator configured to apply an electric field or a magnetic field to focus or bias the thermoelectrons from the cathode. The X-ray detector detects the X-rays generated by the anode. The control circuitry controls the regulator to switch at least one of the size and position of the focus of the thermoelectrons from the cathode on the anode between scan and warm-up. 1. An X-ray computed tomography imaging apparatus comprising:an X-ray tube including a cathode configured to generate thermoelectrons, an anode configured to generate X-rays upon receiving the thermoelectrons from the cathode, and a regulator configured to apply an electric field or a magnetic field to focus or bias the thermoelectrons from the cathode;an X-ray detector configured to detect the X-rays generated by the anode;data acquisition circuitry configured to acquire data corresponding to the X-rays detected by the X-ray detector;image generation circuitry configured to generate an image based on the acquired data; andcontrol circuitry configured to control the regulator to switch at least one of a size and a position of a focus of the thermoelectrons from the cathode on the anode between scan and warm-up.2. The apparatus of claim 1 , wherein the control circuitry controls the regulator to set the size of the focus on the anode to a first size in the scan and set the size of the focus on the anode to a second size larger than the first size in the warm-up.3. The apparatus of claim 2 , wherein the control circuitry controls the regulator to set the size of the focus to the second size according to a start of the warm-up and set the size of the focus to the first size according to a start of ...

RADIATION BLOCKING UNIT, RADIOGRAPHIC IMAGING APPARATUS, AND RADIOGRAPHIC IMAGING METHOD

The present invention provides a radiation blocking unit including: an attachment member that is attachable between sources and an object table surface to which radiation from a radiation source and visible light from a visible light source are emitted, the sources including the radiation source and the visible light source; a radiation blocking portion, disposed on the attachment member, that transmits the illuminated visible light to an overlapping incidence region on the object table surface in which an incidence region of the radiation and an incidence region of the visible light overlap, and that blocks the irradiated radiation outside the overlapping incidence region; and a visible light blocking portion, disposed on the attachment member, that transmits the irradiated radiation to the overlapping incidence region, and blocks the illuminated visible light outside the overlapping incidence region. 1. A radiographic imaging method comprising:detecting a position of an examination object on an object table surface;setting an observation region for observing a tissue that has been collected from the examination object outside a boundary of the examination object on the object table surface, based on the position of the examination object;emitting visible light from a visible light source to the observation region by using a visible light blocking portion that transmits visible light that indicates an incidence region of radiation at the observation region and that blocks the illuminated visible light outside the observation region; andemitting the radiation from a radiation source to the observation region by using a radiation blocking portion that transmits the radiation that is irradiated to the observation region and that blocks the irradiated radiation outside the observation region; andgenerating a radiographic image of the tissue on the basis of the radiation that has been emitted to the observation region.2. The radiographic imaging method of claim 1 , ...

SYSTEM AND METHOD FOR X-RAY IMAGING ALIGNMENT

A mobile radiography imaging system comprising a portable radiation source adapted to move in all degrees of freedom; a portable detector operable to detect the radiation from the radiation source, wherein the detector is adapted to move independently of the radiation source in all degrees of freedom; and wherein the radiation source and the detector each includes an alignment sensor in communication with a computer; wherein the computer is in communication with the radiation source and the detector; and wherein the position and orientation of the radiation source and the detector are established by the computer, and wherein the computer sends an activation signal to the radiation source to indicate when radiation may be emitted. In a preferred embodiment, the radiation source is prevented from emission of radiation until the detector and the radiation source have achieved predetermined alignment conditions. 1A radiation source;a portable detector comprising a plurality of detector pixels and operable to detect radiation from the radiation source;an alignment computer comprising an alignment system and a communication unit wherein the communication unit is operable to communicate to the portable detector and the radiation source;wherein the plurality of detector pixels is operable to be activated by a quantity or an intensity of alignment radiation beams;wherein the alignment system designates at least a portion of the detector pixels as alignment pixels;wherein the portable detector is operable to receive a plurality of the alignment radiation beams from the radiation source;wherein upon, the alignment computer detects that the alignment pixels have been activated indicating that the portable detector is in an alignment condition with the radiation source, the alignment computer sends an activation signal to the radiation source to indicate that emission of radiation is permitted; and,wherein the alignment computer prevents the emission of radiation from the ...

ISO-CENTERING IN C-ARM COMPUTER TOMOGRAPHY

The present invention relates to iso-centering an object of interest prior to computer tomography (CT) scanning for examination of a patient in a C-arm CT examination apparatus. In order to provide facilitated positioning and to overcome or at least minimize these drawbacks, a C-arm CT examination apparatus () for CT scanning for examination of a patient is provided. The apparatus comprises a patient support unit, an acquisition unit, a data processing and control unit, and a display unit. The patient support unit is configured to bed a patient, free of motion, on the patient support. The acquisition unit is configured to acquire scout images of the patient including the object of interest in a respective position of the apparatus having position parameters. The data processing and control unit is configured to store the images and at least one respective position parameter including the iso-center position relative to the image; and to adjust the position of the apparatus roughly into a present position for CT scanning of the object of interest; and to select at least one iso-centering image from the stored images and, by geometrical calculation using, firstly, the at least one stored position parameter of the iso-centering image including the stored iso-center position and using, secondly, at least one position parameter of the present position of the apparatus including the present iso-center, adopting the appearance of the at least one iso-centering image, such that the appearance of the iso-centering image is according to the present position of the C-arm including the present iso-center. The display unit is configured to display the at least one adopted image on a display device together with and relative to a representation of the present iso-center for iso-centering. 1. An apparatus for medical imaging of a patient including an object of interest , the apparatus comprising:a patient support unit;a data processing and control unit; anda display unit;wherein ...

SELF-CALIBRATING TECHNIQUE FOR X-RAY IMAGING SCANNERS

A mobile radiography apparatus has radio-opaque markers, each marker coupled to a portion of the mobile radiography apparatus, wherein each of the markers is in a radiation path that extends from an x-ray source. A detector is mechanically uncoupled from the x-ray source for positioning behind a patient. Processing logic is configured to calculate a detector position with relation to the x-ray source according to identified marker positions in acquired projection images, and to reconstruct a volume image according to the acquired projection images. 1. A mobile radiography apparatus comprising:an x-ray source;a plurality of radio-opaque markers each disposed in a fixed position relative to the x-ray source in a radiation path extending from the x-ray source to a radiographic detector mechanically uncoupled from the x-ray source; anda control logic processor programmed to calculate a position of the detector relative to the x-ray source according to positions of the radio-opaque markers in acquired projection images, and to reconstruct a volume image according to the acquired projection images.2. The apparatus of claim 1 , wherein each of the plurality of radio-opaque markers are made of lead or tungsten.3. The apparatus of claim 1 , wherein one or more of the plurality of radio-opaque markers have a spherical shape.4. The apparatus of claim 1 , wherein a shape of one or more of the plurality of radio-opaque markers is selected from a list consisting of a cross claim 1 , a circle claim 1 , a square claim 1 , and a triangle.5. The apparatus of claim 1 , wherein one or more of the plurality of radio-opaque markers is formed by depositing radio-opaque material onto a surface.6. The apparatus of claim 1 , further comprising a collimator light and a mirror claim 1 , wherein one or more of the plurality of radio-opaque markers is coupled to the mirror claim 1 , and wherein the mirror is disposed in an illumination path of the collimator light.7. The apparatus of claim 1 , ...

X-RAY IMAGING APPARATUS

The present invention relates to an X-ray imaging apparatus which obtains an X-ray image of a subject placed between a generator and a detector by means of the rotation of the generator and the detector. The X-ray imaging apparatus comprises: the generator and the detector, which are disposed to face each other while having an object to be imaged therebetween, for irradiating and detecting an X-ray; a rotation drive unit for rotating the generator and the detector while having the object to be imaged therebetween; and a bed in which a first portion for supporting the object to be imaged is disposed between the generator and the detector. When the height of at least one from among the generator and the detector is T the height of the other is T and the height of the first portion is T said T T and T are TTT 111-. (canceled)12. An X-ray imaging apparatus comprising:a generator for irradiating X-rays toward a object;a detector for detecting X-rays passed through the object;a rotation drive module for rotating the generator and the detector based on the object; anda support part for positioning the object between the generator and the detector,{'b': 1', '2', '3', '1', '2', '3', '1', '3', '2, 'wherein the height of one of the generator and the detector is T, the height of the other is T, and the height of the support part is T, the relationship between T, T, and T is T>T>T, and'}{'b': '2', 'the height of the rotation center of the rotation drive module is lower than the T.'}13. The X-ray imaging apparatus of claim 12 , wherein the lower one of the generator and the detector passes below the support part by the rotation.14. The X-ray imaging apparatus of claim 12 , wherein at least some of X-rays emitted from the generator pass through the support part.15. The X-ray imaging apparatus according to claim 12 , further comprising;a base frame placed on the floor, wherein the rotation drive module is rotatably mounted on the base frame.16. The X-ray imaging apparatus of claim ...

X-ray ct apparatus

An X-ray CT apparatus includes a processing circuit. The processing circuit adjusts an image taking area of a subject by receiving an operation performed on a light projector provided on a gantry and further sets the adjusted image taking area as an image taking condition included in first image taking conditions; adjusts an image taking area of the subject by receiving an operator's operation via terminal equipment and further sets the adjusted image taking area as an image taking condition included in second image taking conditions; and causes the gantry to perform the image taking process on the basis of selection information selecting from between the first and the second image taking conditions as image taking conditions used for performing the image taking process.

Positioning Guidance System For X-ray Exams

A system for assisting an x-ray operator with properly positioning a patient's body part to be x-rayed. The system uses a range sensor and/or a camera supported on an x-ray emitter to collect data about the patient's body part to be x-rayed. The data is transmitted to a processor and compared to a selected reference envelope or image. The processor provides an x-ray operator with a positive or negative notification based on its analysis of the collected data and the selected reference envelope or image. A negative notification indicates that the patient's body part needs to be adjusted. A positive notification indicates that the patient's body part is ready to be x-rayed. 1. A system , comprising:an x-ray emitter configured to emit a beam of energy to a designated area;an optical camera having a field of view that at least partially overlaps the designated area;a monitor having a visible display; anda processor in communication with the camera and the monitor, the processor having a memory within which a plurality of reference images are stored, each reference image depicting an exemplary body part, in which the processor is configured to compare a patient image of a patient body part captured by the camera to a selected reference image, to determine whether the compared images are similar, and to direct the monitor to display the patient image captured by the camera, but not any part of the selected reference image.2. A method of using the system of claim 1 , comprising:positioning a patient body part within the designated area;selecting one of the plurality of reference images;comparing the patient image to the selected reference image;signaling a human user of the system if the processor determines that the compared images are similar; andcapturing one or more x-ray images of the patient body part.3. The method of claim 2 , further comprising:after the selecting step, adjusting the patient body part until the patient body part depicted within the patient image is ...

COMPUTED TOMOGRAPHY AND POSITIONING OF THE ANATOMY DESIRED TO BE IMAGED

The invention relates to a problem of setting mutual position of an anatomy being imaged and imaging means of a computed tomography imaging apparatus so that specifically the very volume of the anatomy desired to be imaged actually is imaged. To further the positioning, a positioning tool in a form of a three-dimensional virtual positioning model (), generated from the anatomy to be imaged, is shown on a display from which the volume () of the anatomy desired to be imaged can be pointed, selected or defined. 120-. (canceled)21. A method for positioning an anatomy for imaging , in which method , an arrangement is used which comprises imaging apparatus including X-ray imaging means , a control system of the imaging apparatus and a means for showing image information arranged in a functional connection with the imaging apparatus , in which method an anatomy including a volume desired to get imaged is positioned in the imaging area of the imaging apparatus , a virtual positioning model is shown by said means for showing image information , the positioning model showing at least a portion of a three dimensional surface of said anatomy and comprising the volume desired to get imaged , a location of the volume in said virtual positioning model desired to get imaged is pointed , selected or determined , a relation of a position of a set of coordinates of said virtual positioning model to a position of a set of coordinates of the X-ray imaging means of the imaging apparatus is resolved , control information is transmitted to the control system of the imaging apparatus for imaging said volume of the anatomy desired to get imaged , which control information is based on knowledge of the relation of the position of the set of coordinates of said virtual positioning model to the position of the set of coordinates of the X-ray imaging means of the imaging apparatus and knowledge of the location in said virtual positioning model of said volume desired to get imaged.22. A method ...

ANTI-SCATTER GRID FOR A MEDICAL X-RAY IMAGING SYSTEM

An anti-scatter grid for an X-ray beam detector is provided. The anti-scatter grid includes a plurality of X-ray absorption plates and a carrier body to which the plurality of X-ray absorption plates are fastened. The carrier body is embodied in a meander shape with a plurality of linearly extending subsections and curve sections connecting the plurality of linearly extending subsection with one another. At least one X-ray absorption plate is arranged in each linearly extending subsection of the plurality of linearly extending subsections. 1. An anti-scatter grid for an X-ray beam detector , the anti-scatter grid comprising:a plurality of X-ray absorption plates; anda carrier body to which the plurality of X-ray absorption plates are fastened,wherein the carrier body is configured in a meander shape with a plurality of linearly extending subsections and curve sections connecting the plurality of linearly extending subsections with one another, andwherein at least one X-ray absorption plate of the plurality of X-ray absorption plates is arranged in each linearly extending subsection of the plurality of linearly extending subsections.2. The anti-scatter grid of claim 1 , wherein the plurality of linearly extending subsections run parallel to one another at least in certain areas claim 1 , and respective adjacent X-ray absorption plates of the plurality of X-ray absorption plates arranged therein form a radiation channel for X-ray radiation.3. The anti-scatter grid of claim 1 , wherein the carrier body is configured as a single claim 1 , integral unit or in two parts.4. The anti-scatter grid of claim 1 , wherein the carrier body is formed from metal or a polymer.5. The anti-scatter grid of claim 1 , wherein the plurality of X-ray absorption plates have an extension in the range of 15 mm to 25 mm in a X-ray beam propagation direction.6. The anti-scatter grid of claim 1 , wherein the carrier body is configured as movable substantially perpendicularly to the plurality of ...

An x-ray radiography apparatus

The present invention relates to an X-ray radiograph apparatus ( 10 ). It is described to placing ( 110 ) an X-ray source ( 20 ) relative to an X-ray detector ( 30 ) to form an examination region for the accommodation of an object, wherein, a reference spatial coordinate system is defined on the basis of geometry parameters of the X-ray radiography apparatus. A camera ( 40 ) is located ( 120 ) at a position and orientation to view the examination region. A depth image of the object is acquired ( 130 ) with the camera within a camera spatial coordinate system, wherein within the depth image pixel values represent distances for corresponding pixels. A processing unit ( 50 ) transforms ( 140 ), using a mapping function, the depth image of the object within the camera spatial coordinate system to the reference spatial coordinate system, wherein, the camera position and orientation have been calibrated with respect to the reference spatial coordinate system to yield the mapping function that maps a spatial point within the camera spatial coordinate system to a corresponding spatial point in the reference spatial coordinate system. A synthetic image is generated ( 150 ) within the reference spatial coordinate system. The synthetic image is output ( 160 ) with an output unit ( 60 ).

SYSTEM AND METHOD FOR CALIBRATING AN IMAGING SYSTEM

A method of calibrating a system for imaging a subject is provided. The method includes determining a position of an X-ray source of the system operative to transmit X-rays through the subject; and calibrating the position of the X-ray source with respect to a detector of the system, based at least in part on a field of view of the X-ray source, the detector operative to receive the X-rays transmitted by the X-ray source. In embodiments, the method includes positioning an X-ray source of the system via a controller at one or more calibration positions based at least in part on at least one camera of the system. In such embodiments the X-ray source is disposed on a mobile arm and operative to transmit X-rays through the subject, and a field of view of the X-ray source is directed substantially towards the detector at each of the calibration positions. 1. An X-ray imaging system comprising:an X-ray source operative to transmit X-rays through a subject;a detector operative to receive the X-rays; and determine a position of the X-ray source; and', 'calibrate the position of the X-ray source with respect to the detector based at least in part on a field of view of the X-ray source., 'a controller operative to2. The X-ray imaging system of claim 1 , wherein the controller calibrates the position of the X-ray source with respect to the detector by:generating one or more edge points of the field of view of the X-ray source;generating one or more edge distances of the field of view with respect to a center of the detector;generating one or more offset values via comparing the one or more edge points to the one or more edge distances; andadjusting the field of view based at least in part on the one or more offset values.3. The X-ray imaging system of claim 2 , wherein the one or more offset values include at least one translational offset value.4. The X-ray imaging system of claim 2 , wherein the one or more offset values include an angular offset value.5. The X-ray imaging ...

X-ray source with module and detector for optical radiation

The present invention relates to an X-ray source for irradiating an object to be imaged with X-ray radiation, wherein the X-ray source is moveable into a plurality of defined recording positions relative to the object to be imaged. A module is arranged directly on the X-ray source, said module being designed to project a marking onto the object to be imaged and/or to check a position of the object to be imaged and/or of the marking, wherein the module for checking the position of the object to be imaged and/or of the marking comprises a detector for optical radiation. In addition, the present invention relates to an X-ray device comprising the X-ray source and a method for using the X-ray device.

Ct machine and rotator thereof

A Computed Tomography (CT) machine and a rotator thereof are provided. The rotator includes a rotating base with a scanning hole, a reinforcement with an axial through hole, and a load-carrying part for carrying scanning parts. The reinforcement is of a circumferentially closed structure. The axial through hole communicates with the scanning hole in a way that the reinforcement does not axially block the scanning hole. The load-carrying part is mounted on an external peripheral surface of the rotating base, and an axial end of the load-carrying part is connected with the reinforcement.

METHOD AND SYSTEM FOR CONFIGURING AN X-RAY IMAGING SYSTEM

A method of automatically configuring an X-ray imaging system for taking an X-ray image of an object includes, first, obtaining one or more depth images from one or more depth cameras covering at least an area covered by an X-ray bundle of an X-ray source. Then, a thickness of the object is determined from the depth image(s). Then, this thickness value is converted to a dose configuration of the X-ray imaging system by taking into account a transmission length of the X-ray bundle through the object and knowledge about tissue types being imaged. 117-. (canceled)18. A method for configuring an X-ray system for taking an X-ray image of an object , the method comprising the steps of:obtaining one or more depth images from one or more depth cameras, the one or more depth cameras covering at least an area covered by an X-ray bundle of an X-ray source of the X-ray system;calculating a thickness of the object from the one or more depth images or from a single depth image obtained from the one or more depth cameras; andconverting the thickness of the object to a dose configuration of the X-ray system by taking into account a transmission length of the X-ray bundle through the object and knowledge about tissue types being imaged.19. The method according to claim 18 , further comprising the steps of:determining a size of the object in the one or more depth images or in a single depth image obtained from the one or more depth images; anddetermining a resizing configuration of the X-ray system from the size of the object, from a desired size of the object in the X-ray image, and from a known geometric relationship between the one or more depth cameras and the X-ray system.20. The method according to claim 19 , wherein the step of determining the resizing configuration includes a diaphragm reconfiguration of the X-ray system.21. The method according to claim 19 , wherein the step of determining the resizing configuration includes a distance reconfiguration of the X-ray imaging ...

X-RAY APPARATUS AND SYSTEM

An X-ray apparatus performs image processing on an image of an object photographed by using a camera, and uses the image-processed image as an image marker in an X-ray image. A display is configured to display the X-ray image and the image marker on the region of the X-ray image. 1. An X-ray apparatus for controlling a position of an X-ray emitter , the X-ray apparatus comprising:an image obtainer configured to obtain an image of an object by photographing the object;an image processor configured to identify a candidate region of the object and a central point of the object by performing image processing on the obtained image, and generate a thumbnail image by causing user interfaces (UIs) indicating an irradiation region shape of the X-ray emitter and a central point of the X-ray emitter to overlap the identified candidate region of the object and the identified central point of the object, the candidate region being a region of the object to be X-rayed;a display configured to display the thumbnail image; anda controller configured to calculate the irradiation region shape of the X-ray emitter and the position of the X-ray emitter by matching the candidate region of the object and the central point of the object with the irradiation region of the X-ray emitter and the central point of the X-ray emitter, respectively, and control the position of the X-ray emitter based on the matched irradiation region of the X-ray emitter and the matched central point of the X-ray emitter.2. The X-ray apparatus of claim 1 , wherein a plurality of irradiation regions of the X-ray emitter and a plurality of central points of the X-ray emitter to be matched with the candidate region of the object and the central point of the object are provided claim 1 , andwherein the image processor is further configured to generate a plurality of thumbnail images by causing each of the plurality of irradiation regions of the X-ray emitter and each of the plurality of central points of the X-ray ...

X-RAY CT APPARATUS AND GANTRY DEVICE

According to one embodiment, an X-ray CT apparatus includes an X-ray source, an X-ray detector, processing circuitry, a showing device, an image processing circuit, and a gantry device. The X-ray source irradiates an object with X-rays. The X-ray detector detects X-rays radiated by the X-ray source and passed through the object. The processing circuitry sets an irradiation section, which is a moving section of the X-ray source or the X-ray detector during X-ray irradiation. The showing device displays the irradiation section. The image processing circuit generates an X-ray CT image based on data obtained by the X-ray detector during the X-ray irradiation through the irradiation section. The gantry device is provided with the X-ray source, the X-ray detector, and the showing device. 1. An X-ray CT apparatus comprising:an X-ray source configured to irradiate an object with X-rays;an X-ray detector configured to detect X-rays radiated by the X-ray source and passed through the object;processing circuitry configured to set an irradiation section which is a moving section of the X-ray source or the X-ray detector during X-ray irradiation;at least one showing device configured to display the irradiation section;an image processing circuit configured to generate an X-ray CT image based on data obtained by the X-ray detector during the X-ray irradiation through the irradiation section; anda gantry device provided with the X-ray source, the X-ray detector, and the showing device.2. The X-ray CT apparatus according to claim 1 , whereinthe processing circuitry is configured to set the irradiation section according to a position of an operator including a surgeon who performs a medical treatment on the object.3. The X-ray CT apparatus according to claim 2 , whereinthe gantry device includes at least one gantry input circuit configured to receive an instruction from the operator; andthe processing circuitry is configured to set the irradiation section according to an ...

METHOD AND SYSTEM FOR CONFIGURING AN X-RAY IMAGING SYSTEM

An X-ray system for taking an X-ray image of an object includes an X-ray source, an X-ray detector, depth camera(s) covering at least an area covered by an X-ray bundle and configured to obtain depth images and a client device including a display adapted to display an impression image to a user. The system further includes a controller configured to derive the impression image including a representation of this area from the depth images; and to obtain from the client device a first geometric position correction of the X-ray imaging system with respect to this impression image; and to convert the first geometric position correction to an actual geometric position configuration of the X-ray imaging system by a known relation between the one or more depth cameras and the X-ray imaging system. 115-. (canceled)16. A method for configuring an X-ray imaging system for taking an X-ray image of an object , the method comprising the steps of:obtaining one or more first depth images from one or more depth cameras, the one or more depth cameras covering at least an area covered by an X-ray bundle from an X-ray source;displaying an impression image derived from the one or more first depth images on a display of a client device to a user, the impression image including a representation of the area covered by the X-ray bundle;obtaining from the client device a first geometric position correction of the X-ray imaging system with respect to the impression image;converting the first geometric position correction to an actual geometric position configuration of the X-ray imaging system by a known relation between the one or more depth cameras and the X-ray imaging system; andapplying the actual geometric position configuration to the X-ray imaging system.17. The method according to claim 16 , wherein the step of obtaining from the client device further includes receiving an interaction by the user with the display as the first geometric position correction.18. The method according to ...

RADIOLOGICAL IMAGING DEVICE WITH IMPROVED FUNCTIONALITY

A radiological imaging device including a gantry defining an analysis zone in which at least a part of the patient is placed, a source suitable to emit radiation, and a detector arranged to receive the radiation and to generate data signals based on the radiation received. The device also includes a horizontal gantry rotation apparatus having a ring to which the source and the detector are mounted and a rotational bearing member configured to rotate the ring. Also included is a control unit adapted to acquire an image from data signals received from the detector while the horizontal gantry rotation apparatus rotates the ring to scan the patient. The radiological imaging device can include at least one of a vertical gantry rotation apparatus, a lifter system, a roller support system, a cooling system, a source tilting device, and a translational apparatus configured to translation a position of the detector. 1. A radiological imaging device comprising:a gantry defining an analysis zone in which at least a part of a patient is placed;a source suitable to emit radiation that passes through the at least part of the patient, the radiation defining a central axis of propagation;a detector arranged to receive the radiation and to generate data signals based on the radiation received;a horizontal gantry rotation apparatus that includes a ring to which the source and the detector are mounted and a rotational bearing member configured to rotate the ring; anda control unit adapted to acquire an image from data signals received continuously from the detector while the horizontal gantry rotation apparatus continuously rotates the ring and the source emitting the radiation and the detector receiving the radiation that are mounted to the ring, so as to scan the at least part of the patient.2. The radiological imaging device of claim 1 , wherein the gantry is mounted to a transportation mechanism configured to transport the gantry.3. The radiological imaging device of claim 2 , ...

RADIATION IMAGE CAPTURING SYSTEM AND METHOD

A radiation image capturing system includes a processing unit that determines at least three distances between at least one first distance sensor provided at a radiation generation unit and at least three second distance sensors provided at a detection unit based on one or more signals emitted by the first distance sensor, and that determines an orientation of the radiation generation unit and the detection unit relative to each other based on inclination information provided by a first sensor unit provided at the radiation generation unit and a second sensor unit provided at the detection unit. Alternatively, the processing unit determines distances between at least three first distance sensors provided at the radiation generation unit and at least three second distance sensors provided at the detection unit based on signals emitted by the at least three first distance sensors to determine an orientation of the radiation generation unit and the detection unit relative to each other. 115-. (canceled)16. A radiation image capturing system comprising:a radiation generator that generates X-ray radiation;a first retainer that accommodates and retains the radiation generator in a first reference position;a carriage on which the radiation generator is mounted, the carriage being a mobile carriage and/or the radiation generator being movably mounted on the carriage;at least one detector that captures a radiation image based on the X-ray radiation generated by the radiation generator and transmitted and/or reflected by an object;a second retainer that accommodates and retains the at least one detector in a second reference position;a first distance sensor provided at a fixed position relative to the radiation generator and that emits or receives one or more signals, and at least three second distance sensors provided at the at least one detector and each of which receives or emits, respectively, the one or more signals emitted or received, respectively, by the first ...

Mobile imaging ring system

The present invention provides a mobile imaging system for imaging of patients in medical interventions comprising a ring gantry with a plurality of independently rotating rings whereas a first rotating ring positions an X-ray source with collimator and a second rotating ring positions an image detector such that the region of interest (patient) can be positioned off-centered with respect to the ring center. The system supports planar X-ray imaging and Computed Tomography (CT) and Cone beam CT (CBCT) acquisitions of three dimensional (3D) volumes with variable X-ray field of views (FOVs) adapted to regions of interest (ROIs), which are not required to be of cylindrical shape. The mobile system can be equipped with stereoscopic cameras integrated in the gantry an on moving rings to support optical tracking and navigation of instruments within the same co-ordinate system of X-ray information. The gantry can be equipped with additional sensors and robotic manipulators on further rings operating in said co-ordinate system on mobile platform. The gantry provides a generic mechanical and electrical interface to a supporting structure, which can be attached to a variety of mobility platforms to support robotic positioning of the system in various orientations of scanner in treatment rooms to accommodate a wide range of patient setups, including the possibility for inclined and vertical scans of patients in upright position.

X-ray irradiating device including motion sensor and x-ray imaging method using same

Disclosed are an X-ray irradiating device having a function of selecting an automatic radiographic mode and an X-ray imaging method using the same. The X-ray irradiating device includes an X-ray source, a motion sensor configured to detect an X-ray source pointing direction, and a controller configured to select any one of a plurality of radiographic modes according to a pointing angle signal received from the motion sensor. The X-ray imaging method, which uses the above described X-ray imaging apparatus, includes setting a reference plane as a reference value for a pointing angle in which an X-ray source is directed, detecting the pointing angle relative to the reference plane by using a motion sensor and selecting a radiographic mode corresponding to the detected pointing angle, and performing a radiography by controlling the X-ray source with a set value corresponding to the selected radiographic mode.

METHOD AND SYSTEM FOR CONFIGURING AN X-RAY IMAGING SYSTEM

A method of monitoring a radiation amount received from an X-ray source in an X-ray imaging system for taking an X-ray image of an object includes the steps of obtaining one or more depth images from one or more depth cameras; the one or more depth cameras covering at least an area covered by an X-ray bundle of an X-ray source of the X-ray imaging system; positioning the object against or on a surface including radiation measurement chambers and identifying select radiation measurement chambers underneath the object from the one or more depth images and/or from a single depth image derived from the one or more depth images; and activating the select radiation measurement chambers. 116-. (canceled)17. A method of monitoring a radiation amount received from an X-ray source in an X-ray imaging system for taking an X-ray image of an object , the method comprising the steps of:obtaining one or more depth images from one or more depth cameras, the one or more depth cameras covering at least an area covered by an X-ray bundle of the X-ray source of the X-ray imaging system;positioning the object against or on a surface including radiation measurement chambers;identifying select ones of the radiation measurement chambers underneath the object from the one or more depth images and/or from a single depth image derived from the one or more depth images; andactivating the select ones of the radiation measurement chambers.18. The method according to claim 17 , further comprising the steps of:determining a size of the object in the one or more depth images or in the single depth image obtained from the one or more depth images; anddetermining a resizing configuration of the X-ray imaging system from the size of the object, from a desired size of the object in the X-ray image, and from a known geometric relationship between the one or more depth cameras and the X-ray imaging system.19. The method according to claim 18 , wherein the resizing configuration includes a diaphragm ...

SYSTEM AND METHOD FOR LOCATING A TARGET SUBJECT

The present disclosure relates to a system and method for locating a target subject associated with an X-ray system. The X-ray system may include an X-ray source, a detection component, an arm, and a platform. The X-ray system may also include a first positioning component, a second positioning component, or a third positioning component. The first positioning component may be configured to determine a target point where a region of interest (ROI) of the target subject locates. The second positioning component may be configured to locate the target subject. The third positioning component may be configured to obtain location information of a target device associated with the target subject in real-time. 114-. (canceled)15. An X-ray system , comprising:an X-ray source configured to emit an X-ray beam towards a target subject;a detection component configured to receive at least a portion of the X-ray beam that transmits through the target subject;an arm configured to support the detection component and the X-ray source;a platform configured to place the target subject, the platform being situated between the X-ray source and the detection component;a laser emitting component configured to emit a laser beam with a first predetermined pattern on the target subject; anda positioning component being situated between the detection component and the platform, wherein the first predetermined pattern being projected on the positioning component coincides with a pattern of the positioning component, and the positioning component is configured to locate the target subject based on the first predetermined pattern and an anatomical image associated with the target subject determined by projecting the X-ray beam towards the target subject.16. The X-ray system of claim 15 , wherein the arm comprises a group selected from C-arm and a G-arm.17. The X-ray system of claim 16 , wherein the first predetermined pattern comprises girds selected from a group selected from regular lines ...

SYSTEM AND METHOD FOR LOCATING A TARGET SUBJECT

The present disclosure relates to a system and method for locating a target subject associated with an X-ray system. The X-ray system may include an X-ray source, a detection component, an arm, and a platform. The X-ray system may also include a first positioning component, a second positioning component, or a third positioning component. The first positioning component may be configured to determine a target point where a region of interest (ROI) of the target subject locates. The second positioning component may be configured to locate the target subject. The third positioning component may be configured to obtain location information of a target device associated with the target subject in real-time. 1. An X-ray system , comprising:an X-ray source configured to emit an X-ray beam towards a target subject;a detection component configured to receive at least a portion of the X-ray beam that transmits through the target subject;an arm configured to support the detection component and the X-ray source;a platform configured to place the target subject, the platform being situated between the X-ray source and the detection component; and 'the first positioning component includes a first laser component configured to emit a first laser beam, and a second laser component configured to emit a second laser beam, wherein said first and second laser beam intersect at the target point.', 'a first positioning component configured to determine a target point where a region of interest (ROI) of the target subject locates, wherein2. The X-ray system of claim 1 , wherein the arm comprises a group selected from a C-arm and a G-arm.3. The X-ray system of claim 1 , wherein the target point locates at an intersection of a first X-ray beam emitted by the X-ray source when the arm is at a front position and a second X-ray beam emitted by the X-ray source when the arm is at a lateral position.4. The X-ray system of claim 3 , wherein the target point locates at an intersection between a ...

SYSTEM AND METHOD FOR LOCATING A TARGET SUBJECT

The present disclosure relates to a system and method for locating a target subject associated with an X-ray system. The X-ray system may include an X-ray source, a detection component, an arm, and a platform. The X-ray system may also include a first positioning component, a second positioning component, or a third positioning component. The first positioning component may be configured to determine a target point where a region of interest (ROI) of the target subject locates. The second positioning component may be configured to locate the target subject. The third positioning component may be configured to obtain location information of a target device associated with the target subject in real-time. 130-. (canceled)31. An X-ray system , comprising:an X-ray source configured to emit an X-ray beam towards a target subject;a detection component configured to receive at least a portion of the X-ray beam that transmits through the target subject;an arm configured to support the detection component and the X-ray source;a platform configured to place the target subject, the platform being situated between the X-ray source and the detection component; and 'obtain location information of a target device associated with the target subject in real-time.', 'a positioning component configured to32. The X-ray system of claim 31 , wherein the arm comprises a group selected from a C-arm and a G-arm.33. The X-ray system of claim 31 , wherein the target device associated with the target subject comprises an operation equipment.34. The X-ray system of claim 31 , wherein the positioning component comprises at least two positioning detectors.35. The X-ray system of claim 34 , wherein the at least two positioning detectors are able to move to adjust at least two distances between the at least two positioning detectors.36. The X-ray system of claim 31 , the positioning component including at least one reciprocating rod claim 31 , wherein an end of each of the at least one ...

IMAGING BEAM POSITIONING APPARATUS AND METHOD OF USE THEREOF

The invention comprises an alignment guide apparatus and a method of use thereof for aligning an imaging beam, longitudinally passing through an exit nozzle of an imaging system, to an imaging zone of a sample, includes the steps of: (1) providing an alignment guide, the alignment guide comprising: (a) a guide wall at least partially circumferentially enclosing an aperture, (b) a first laser element connected to the guide wall, and (c) a second laser element connected to the guide wall; (2) inserting the exit nozzle of the imaging system into the aperture; (3) projecting a first line from the first laser element onto the sample; (4) projecting a second line from the second laser element onto the sample; and (5) moving the sample relative to the exit nozzle of the imaging system to position an intersection of the first line and the second line at the imaging zone to align the imaging beam to the imaging zone. 1. A method for aligning an imaging beam , longitudinally passing through an exit nozzle of an imaging system , to an imaging zone of a sample , comprising the steps of:providing an alignment guide, said alignment guide comprising a guide wall at least partially circumferentially enclosing an aperture, said guide wall comprising an inner guide wall geometry;orientating said inner guide wall geometry, of said guide wall, to proximately contact said exit nozzle;projecting output of a first laser element onto the sample to form a first alignment image, said first laser element connected to said alignment guide at a first angle;projecting output of a second laser element onto the sample to form a second alignment image, said second laser element connected to said alignment guide at a second angle; andaligning the imaging beam to the imaging zone of the sample using said first alignment image and said second alignment image.2. The method of claim 1 , said step of orientating further comprising the step of:inserting the exit nozzle of the imaging system into the ...

Imaging systems and methods

Methods and systems for x-ray and fluoroscopic image capture and, in particular, to a versatile, multimode imaging system incorporating a hand-held x-ray emitter operative to capture digital or thermal images of a target; a stage operative to capture static x-ray and dynamic fluoroscopic images of the target; a system for the tracking and positioning of the x-ray emission; a device to automatically limit the field of the x-ray emission; and methods of use. Automatic systems to determine the correct technique factors for fluoroscopic and radiographic capture, ex-ante.

LOW DOSE DIGITAL TOMOSYNTHESIS SYSTEM AND METHOD USING ARTIFICIAL INTELLIGENCE

A mobile radiography apparatus is configured to sparsely sample radiographic projection images to generate high resolution tomosynthesis volume images using a digital radiographic detector that is mechanically uncoupled from the x-ray source and an artificial intelligence network. The artificial intelligence network is trained to correct a volume image generated from sparsely sample projection images to generate the high resolution tomosynthesis volume images. 1. A computer implemented radiographic image processing method , the method comprising:training a convolutional neural network to correct image defects in an image volume reconstructed from sparsely captured tomosynthesis projection images;sparsely capturing tomosynthesis projection images of a patient anatomy using at least one x-ray source attached to a mobile wheeled radiography apparatus and a portable DR detector mechanically uncoupled from the mobile wheeled radiography apparatus;reconstructing a sparse volume image of the patient anatomy using the sparsely captured tomosynthesis projection images of the patient anatomy and providing the reconstructed sparse volume image of the patient anatomy to the trained convolutional neural network; andthe trained neural network outputting a corrected reconstructed sparse volume image of the patient anatomy.2. The method of claim 1 , wherein the step of training comprises:reconstructing a full tomosynthesis volume image from a full set of acquired tomosynthesis projection images;reconstructing a sparse tomosynthesis volume image from a preselected subset of the full set of acquired tomosynthesis projection imagesdetermining differences between the full tomosynthesis volume image and the sparse tomosynthesis volume image; andproviding the reconstructed sparse tomosynthesis volume image and the determined differences to the convolutional neural network.3. The method of claim 2 , wherein the step of sparsely capturing comprises at least one of capturing a plurality of ...

Focusing head and radiotherapy equipment

Provided is a focusing head, including: a cartridge configured to carry a plurality of radiation sources; a shielding roller with the cartridge therein; a first driving assembly connected to the cartridge and configured to drive the cartridge to rotate; and a second driving assembly connected to the shielding roller and configured to drive the shielding roller to rotate.

SYSTEM AND METHOD FOR DETERMINING THE POSITION OF OBJECTS IN A RADIATION ROOM FOR RADIATION THERAPY

A system and method for determining the position of objects in a radiation room for radiation therapy comprises several room lasers arranged in the radiation room, each of which is designed for patient positioning to project at least one laser line onto the surface of a patient located on a patient table in the radiation room. At least one camera detects at least one laser line projected onto the surface of the patient by at least one of the room lasers, and an evaluation and control apparatus determines the coordinate points along the laser line projected onto the surface of patient during a radiation procedure based on measurement values detected by the camera through a real-time triangulation process and compares them with target coordinate points. The coordinate points determined during the radiation procedure may be saved for documentation of the radiation procedure. 1. A system for determining the position of objects in a radiation room for radiation therapy , comprising:several room lasers, each of which is arranged to project at least one laser line onto a surface of a patient located on a patient table;at least one camera, each of which is arranged to detect at least one laser line projected onto the surface of the patient by at least one of the several room lasers; andan evaluation and control apparatus configured to determine coordinate points along a laser line projected onto the surface of the patient during a radiation procedure based on measurement values detected by the at least one camera through a real-time triangulation process and to compare them with target coordinate points for patient positioning, the evaluation and control apparatus including a memory device in which the coordinate points determined during the radiation procedure are saved for documentation of the radiation procedure.2. The system according to claim 1 , wherein the target coordinate points were determined based on a computed-tomography (CT) image of the patient or on another ...

X-RAY APPARATUS AND SYSTEM

An X-ray apparatus includes a collimator comprising a lamp and configured to adjusting an irradiation region of X-rays radiated from an X-ray source; an image acquirer configured to acquire an object image by imaging an object while the lamp is turned on; and a controller configured to acquire an object distance based on the object image and acquire a thickness of the object based on a detector distance and the object distance. The object distance is a distance between the X-ray source and the object, and the detector distance is a distance between the X-ray source and an X-ray detector. 1. An X-ray apparatus comprising:a collimator comprising a lamp, the collimator being configured to adjust an irradiation region of X-rays radiated from an X-ray source;an image acquirer configured to acquire an object image by imaging an object while the lamp illuminates the object; anda controller configured to determine an object distance based on the object image and determine a thickness of the object based on a detector distance and the object distance,wherein the object distance is a distance between the X-ray source and the object, and the detector distance is a distance between the X-ray source and an X-ray detector.2. The X-ray apparatus of claim 1 , wherein the controller is further configured to determine claim 1 , based on the thickness of the object claim 1 , an irradiation condition claim 1 , the irradiation condition being information related to an X-ray radiation amount of the X-ray source claim 1 , andthe X-ray apparatus further comprises an output interface configured to output the irradiation condition.3. The X-ray apparatus of claim 2 , further comprising an input interface configured to receive X-ray setting information corresponding to the X-ray radiation amount of the X-ray source from a user.4. The X-ray apparatus of claim 3 , wherein the X-ray source is configured to radiate X-rays according to the X-ray radiation amount based on the X-ray setting ...

DENTAL IMAGE COLLECTION DEVICE PROVIDING OPTICAL ALIGNMENT FEATURES AND RELATED SYSTEM AND METHODS

A dental imaging system may include an X-ray source, a first optical alignment device, and a dental image collection device. The dental image collection device may include a mouthpiece, at least one electronic X-ray sensor carried by the mouthpiece, and a second optical alignment device carried by the mouthpiece and cooperating with the first optical alignment device to facilitate optically aligning the mouthpiece with the X-ray source. The system may also include a dental image processing device coupled to the at least one electronic X-ray sensor. 1. A dental imaging system comprising:an X-ray source;a first optical alignment device; a mouthpiece,', 'at least one electronic X-ray sensor carried by the mouthpiece, and', 'a second optical alignment device carried by the mouthpiece and cooperating with the first optical alignment device to facilitate optically aligning the mouthpiece with the X-ray source; and, 'a dental image collection device comprising'}a dental image processing device coupled to the at least one electronic X-ray sensor.2. The system of wherein the first optical alignment device comprises an optical target; and wherein the second optical alignment device comprises at least one optical source.3. The system of wherein the first optical alignment device comprises at least one optical detector; and wherein the second optical alignment device comprises at least one optical source.4. The system of wherein the first optical alignment device is carried by the X-ray source.5. The system of wherein the second optical alignment device comprises a plurality of laser light sources.6. The system of wherein the second optical alignment device comprises a laser light source and an optical element associated therewith.7. The system of wherein the at least one X-ray sensor comprises a plurality of integrated circuit (IC) sensors.8. The system of wherein the image processing device is configured to generate a composite image for a given patient from dental images ...

Mobile imaging system and method

A mobile fluoroscopic imaging system having a portable radiation source capable of emitting radiation in both single and, alternatively, pulse emissions and adapted to move in all degrees of freedom; a portable detector operable to detect radiation from the radiation source, wherein the detector is adapted to move independently of the radiation source in all degrees of freedom; the radiation source and detector each comprises an alignment sensor in communication with a computer; the computer is in communication with the radiation source and the detector; the position, distance and orientation of the radiation source and the detector are established by the computer; and the computer sends an activation signal to the radiation source to indicate when radiation may be emitted. Preferably, the radiation source is prevented from emission of radiation until the detector and the radiation source have achieved predetermined alignment conditions.

Ct imaging apparatus

The invention relates, in particular, to structures of dental and medical cone beam computed tomography (CBCT) imaging apparatus. The basic construction of the apparatus includes a substantially vertically extending frame part (11) which supports via a horizontally extending support construction (12) the X-ray imaging means (14, 15) of the apparatus. The apparatus includes a patient support structure (18) which extends substantially in parallel with and is essentially of the same length as the substantially vertically extending frame part (11).

Ct imaging apparatus

The invention relates, in particular, to structures of a dental and medical cone beam computed tomography (CBCT) apparatus. The basic construction of the apparatus includes two elongated frame parts (11, 21) out of which the first frame part (11) is arranged to support X-ray imaging means (14, 15) and wherein the frame parts (11, 21) are mechanically connected to each other via an articulated construction (22) so as to allow for tilting of the first frame part (11) supporting the X-ray imaging means (14, 15) with respect to the second frame part (21).

METHODS, APPARATUSES AND SYSTEMS FOR SURVIEW SCAN

Methods, apparatuses and systems for surview scans are provided. In one aspect, a method includes: collecting an image for a subject on a scan bed of a computed tomography system when the scan bed is stationary; determining a scan beginning position for a surview scan in the image, where graduation patterns are marked on the scan bed, and a relative position between the graduation patterns and the scan bed remains unchanged; obtaining a first distance between the scan beginning position and a surview collection plane perpendicular to the scanning bed according to the graduation patterns in the image; controlling the scan bed to move toward the surview collection plane; and in response to determining that a scan bed moving distance reaches the first distance, starting the surview scan to obtain a surview image. 1. A method applied to a computed tomography system , the method comprising:collecting an image for a subject on a scan bed of the computed tomography system when the scan bed is stationary;determining a scan beginning position for a surview scan in the image, wherein graduation patterns are marked on the scan bed, and a relative position between the graduation patterns and the scan bed remains unchanged;obtaining a first distance between the scan beginning position and a surview collection plane perpendicular to the scanning bed according to the graduation patterns in the image;controlling the scan bed to move toward the surview collection plane; andin response to determining that a scan bed moving distance reaches the first distance, starting the surview scan to obtain a surview image.2. The method of claim 1 , further comprising:determining a scan ending position for the surview scan in the image;obtaining a second distance between the scan ending position and the surview collection plane according to the graduation patterns in the image; andafter starting the surview scan, controlling the scan bed to move toward the surview collection plane and then ...

MOBILE X-RAY DEVICE AND METHOD FOR OPERATING A MOBILE X-RAY DEVICE

A mobile X-ray device with an adjustable recording system that is arranged on a device trolley is provided. The adjustable recording system has an X-ray source and an X-ray detector for recording X-ray images of an object. The mobile X-ray device includes a system controller for actuating the X-ray device, a calculation unit for real-time determination of a scattered radiation distribution from an X-ray radiation generated by the X-ray source in at least parts of the surrounding area of the X-ray device, and a display unit that is arranged on the device trolley and/or the recording system. The display unit is configured for display, taking place substantially in real time, of at least one item of information dependent upon the determined scattered radiation distribution in at least one part of the surroundings of the mobile X-ray device. 1. A mobile X-ray device comprising:a device trolley;an adjustable recording system that is arranged on the device trolley, the adjustable recording system comprising an X-ray source and an X-ray detector for recording X-ray images of an object;a system controller configured to actuate the mobile X-ray device;a calculation unit configured for real-time determination of a scattered radiation distribution from an X-ray radiation generated by the X-ray source in at least parts of a surrounding area of the mobile X-ray device; anda display unit that is arranged on the device trolley, the recording system, or the device trolley and the recording system, the display unit being configured to display, substantially in real time, at least one item of information dependent upon the determined scattered radiation distribution in at least one part of surroundings of the mobile X-ray device.2. The mobile X-ray device of claim 1 , wherein the calculation unit is further configured to determine the scattered radiation distribution from the X-ray radiation generated by the X-ray source in at least the parts of the surrounding area of the mobile X- ...

DISPLAYING AN ACQUISITION FIELD OF VIEW

A method is disclosed for displaying a selected acquisition field of view of a medical tomography apparatus in the region of a patient table of the tomography apparatus with the aid of an illumination device including at least one light source. In this regard, the illumination device includes at least one setting device for revealing and/or masking boundary areas of a field of illumination of the illumination device which are revealed or masked as a function of the selected acquisition field of view. An illumination device is also disclosed for this purpose. 1. A method for displaying a selected acquisition field of view of a medical tomography apparatus in the region of a patient table of the tomography apparatus with the aid of an illumination device including at least one light source , the method comprising:at least one of revealing and masking boundary areas of a field of illumination of the illumination device via setting devices of the illumination device, the boundary areas being at least one of revealed and masked as a function of the selected acquisition field of view.2. The method of claim 1 , wherein the setting devices at least one of reveal and mask the boundary areas substantially along at least one of a z-direction and a y-direction of the tomography apparatus.3. The method of claim 1 , wherein the illumination device includes a light box claim 1 , enclosing the light source in a substantially light-tight manner claim 1 , including a light transmission aperture claim 1 , light being emitted through the light transmission aperture in the direction of the patient table during the operation of the illumination device.4. The method of claim 1 , wherein claim 1 , between the at least one light source and the patient table claim 1 , the illumination device comprises an at least partially translucent projection disk claim 1 , the projection disk including supplementary information which is projectable with the aid of light from the light source in the ...

RADIATION BLOCKING UNIT, RADIOGRAPHIC IMAGING APPARATUS, AND RADIOGRAPHIC IMAGING METHOD

The present invention provides a radiation blocking unit including: an attachment member that is attachable between sources and an object table surface to which radiation from a radiation source and visible light from a visible light source are emitted, the sources including the radiation source and the visible light source; a radiation blocking portion, disposed on the attachment member, that transmits the illuminated visible light to an overlapping incidence region on the object table surface in which an incidence region of the radiation and an incidence region of the visible light overlap, and that blocks the irradiated radiation outside the overlapping incidence region; and a visible light blocking portion, disposed on the attachment member, that transmits the irradiated radiation to the overlapping incidence region, and blocks the illuminated visible light outside the overlapping incidence region. 1. A radiation blocking unit comprising:an attachment member that is attachable between sources and an object table surface to which radiation from a radiation source and visible light from a visible light source are emitted, the sources comprising the radiation source and the visible light source;a radiation blocking portion, disposed on the attachment member, that transmits the illuminated visible light to an overlapping incidence region on the object table surface in which an incidence region of the radiation and an incidence region of the visible light overlap, and that blocks the irradiated radiation outside the overlapping incidence region; anda visible light blocking portion, disposed on the attachment member, that transmits the irradiated radiation to the overlapping incidence region, and blocks the illuminated visible light outside the overlapping incidence region.2. The radiation blocking unit according to claim 1 , wherein with respect to the radiation irradiated and the visible light illuminated to the object table surface outside the boundary of an ...

METHOD AND PROJECTION DEVICE TO MARK A SURFACE OF A 3D EXAMINATION SUBJECT

In a method and projection device to mark a surface of a three-dimensional examination subject, relief data (RD) of the surface are acquired and are used to establish a measurement information marking. A reference position value is determined, which represents a position of a radiation device of the projection device relative to the surface. A calculation of pre-distortion of the established measurement information is calculated in a processor marking depending on the relief data and the reference position value. A visually perceptible pre-distorted measurement information marking is radiated from the radiation device in the direction of the surface. 1. A method to mark a surface of a three-dimensional examination subject with a projection device , comprising:acquiring relief data representing a topology of said surface;in a processor, establishing a measurement information marking;providing said processor with a reference position value that designates a position of a radiation device of the projection device relative to the surface;in said processor, calculating a pre-distortion of the established measurement information marking dependent on said relief data and said reference position value; andproviding an electronic signal from said processor to said radiation device that represents the calculated pre-distortion and, from said radiation device, radiating said measurement information marking modified by said pre-distortion calculation onto the surface to produce a visual appearance of said measurement information marking on said surface that is not distorted by said topology.2. A method as claimed in comprising generating at least a portion of said relief data from topometric data of said surface.3. A method as claimed in comprising generating at least a portion of said relief data from at least one of volume image data of the examination subject claim 1 , slice image data of the examination subject claim 1 , and projection image data of the examination subject. ...

X-RAY IMAGING APPARATUS

An X-ray imaging apparatus according to the disclosure guides the patient posture using a visual and/or audible interaction device during execution of an X-ray imaging procedure such as mammography, and provides the patient with information about the procedure during the procedure's execution, thereby improving the patient experience while reducing the workload of an operator. The X-ray imaging apparatus may include an X-ray tube, an X-ray detector, and an arm including an upper end within which the X-ray tube is disposed, and a lower end within which the X-ray detector is disposed. An illumination unit may be configured to provide an indication of a movement direction of the arm, responsive to a user input for moving the arm in the movement direction. A controller may control the illumination unit. 1. An X-ray imaging apparatus comprising:an X-ray tube;an X-ray detector;an arm including an upper end within which the X-ray tube is disposed, and a lower end within which the X-ray detector is disposed;an illumination unit configured to provide an indication of a movement direction of the arm, responsive to a user input for moving the arm in the movement direction; anda controller configured to control the illumination unit.2. The X-ray imaging apparatus according to claim 1 , wherein the illumination unit changes a lighting state or blinking position thereof in response to the movement direction of the arm.3. The X-ray imaging apparatus according to claim 1 , wherein the illumination unit includes a headlamp formed in the upper end of the arm claim 1 , and wherein the headlamp includes:a front headlamp formed at a front surface of the arm;a left headlamp formed at a left side surface of the arm; anda right headlamp formed at a right side surface of the arm.4. The X-ray imaging apparatus according to claim 3 , wherein the controller lights or blinks the front headlamp when the movement direction of the arm is an upward direction.5. The X-ray imaging apparatus according ...

RADIOGRAPHY SYSTEM

A radiation generator capable of projecting radiation includes a light projection apparatus configured to project visible light that indicates, during projection of radiation from the radiation generator, a range including and broader than an irradiation field of radiation projected from the radiation generator. 1. A radiation generator capable of projecting radiation , the radiation generator comprisinga light projection apparatus configured to project visible light that indicates, during projection of radiation from the radiation generator, a range including and broader than an irradiation field of radiation projected from the radiation generator.2. The radiation generator according to further comprisinga collimator configured to narrow the irradiation field of the radiation, whereinthe light projection apparatus is arranged at a position where the visible light projected from the light projection apparatus is not transmitted through an aperture of the collimator.3. The radiation generator according to claim 1 , whereinthe light projection apparatus is configured as an apparatus separate from an irradiation field lamp configured to project, before photographing, light to a region to be an irradiation field of radiation when the radiation is projected to a subject.4. The radiation generator according to claim 3 , wherein claim 3 ,when the visible light is projected from the light projection apparatus, the visible light is projected from the light projection apparatus, during projection of radiation from the radiation generator, in a manner of projection different from the manner of projection of the light when the light is projected from the irradiation field lamp before projection of radiation from the radiation generator.5. The radiation generator according to claim 1 , whereinthe visible light is projected from the light projection apparatus to a whole region of the range.6. The radiation generator according to claim 1 , whereinthe visible light is projected ...

SYSTEMS FOR LASER ALIGNMENT

Various methods and systems are provided for laser alignment systems, particularly laser alignment systems of medical imaging systems. In one example, a medical imaging system comprises: a gantry; and a laser mount including: a first section fixedly coupled to the gantry; a second section seated within the first section and slideable within the first section; and a third section seated within the second section and rotatable within the second section, the third section adapted to house a laser radiation source. 1. A medical imaging system , comprising:a gantry; anda laser mount including:a first section fixedly coupled to the gantry;a second section seated within the first section and slideable within the first section; anda third section seated within the second section and rotatable within the second section, the third section adapted to house a laser radiation source.2. The system of claim 1 , wherein the laser mount further comprises a lock element disposed between the second section and the third section with a terminal end of the lock element positioned within a passage of the second section claim 1 , the lock element adapted to lock a position of the third section relative to the second section.3. The system of claim 1 , wherein the laser mount is positioned within an interior of a housing of the gantry and is fixedly coupled to a mounting plate of the gantry within the housing.4. The system of claim 1 , wherein the third section is rotatable within the second section with three degrees of freedom.5. The system of claim 1 , wherein the second section is slideable within the first section with only one degree of freedom claim 1 , in only a first direction and an opposing claim 1 , second direction.6. A mount claim 1 , comprising:an outer housing coupled to an arm of the mount by a slideable element seated within a slot of the arm;an inner housing rotatably seated within the outer housing and separated from the outer housing by a first clearance; anda lock ...

X-ray diagnosis apparatus and arm control method

An X-ray diagnosis apparatus according to an embodiment includes a calculating unit and a control unit. The calculating unit that calculates an angle between a specified position specified in an ultrasonic image generated through transmission and reception of ultrasonic waves by an ultrasound probe and a predetermined position in a radiographic space where a subject is radiographed based on information on a relative position between the radiographic space and a scanning space where the subject is scanned by the ultrasound probe. The control unit that controls an arm to move so that the subject is radiographed at the angle calculated by the calculating unit.

Radiation generating apparatus and radiation imaging system

A radiation generating apparatus including: a radiation generating unit for emitting radiation through a transmission window; and a movable diaphragm unit including a restricting blade for adjusting a size of a radiation field and a light projecting and collimating device for making simulation display of the radiation field with a visible light field, in which the light projecting and collimating device includes a light source for emitting visible light, and a reflection plate disposed obliquely to a radiation center axis, the reflection plate having a reflection surface for reflecting the visible light and transmitting the radiation; the visible light field is formed of the visible light which is emitted from the light source and is reflected by the reflection plate; and a compensating member having a thickness variation for reducing unevenness of the radiation emitted in the radiation field is disposed on a radiation exit side of the reflection plate.

X-RAY IMAGING SYSTEM AND METHOD

An X-ray imaging system uses an X-ray source to emit an X-ray beam for exposing a desired radiation field. A camera is configured to capture a current image of the radiation field and to display a current image of the radiation field before the exposure is activated. 1. A portable imaging apparatus comprising:an X-ray source configured to emit an X-ray beam;a collimator proximate the X-ray source to define an X-ray radiation field to be exposed by the emitted X-ray beam;a camera for capturing an optical image of the radiation field; anda display connected to the camera to display the image of the radiation field.2. The apparatus of claim 1 , further comprising a light source to emit light for illuminating the radiation field.3. The apparatus of claim 2 , wherein the light source is configured to illuminate an illumination field having a size and shape substantially equivalent to claim 2 , or slightly larger than claim 2 , the radiation field.4. The apparatus of claim 1 , wherein the display is attached to the portable apparatus.5. The apparatus of claim 2 , wherein the collimator comprises a variable aperture to adjust a size of the radiation field claim 2 , and wherein the light source is configured so that a size of the illumination field is adjusted simultaneously with the size of the radiation field.6. The apparatus of claim 5 , wherein the radiation field is substantially equivalent a field of view of the camera.7. The apparatus of claim 6 , wherein the light source is configured to project a cursor onto the illuminated radiation field.8. The apparatus of claim 1 , wherein the display includes a cursor configured to indicate a center of the radiation field.9. The apparatus of claim 1 , further comprising a cable connected to a power source for supplying power through the cable to operate the apparatus.10. The apparatus of claim 1 , wherein the apparatus is configured to detect a position of a detector in a path of the X-ray beam claim 1 , and wherein the ...

MAMMOGRAPHY APPARATUS

According to one embodiment, a mammography apparatus includes an X-ray, an imaging stage, a pressing plate, a guide information generator, and an X-ray detection unit. The X-ray tube generates X-rays. The imaging stage supports a breast. The pressing plate presses the breast supported on the imaging stage. The guide information generator provides the imaging stage with guide information for guiding a placement position of the breast. The guide information is generated based on a nipple position, an image start position, and an image end position of a previous image of the breast. The X-ray detection unit generates X-ray projection data by detecting X-rays transmitted through the breast by an X-ray detector. 1. A mammography apparatus comprising:an X-ray tube which generates X-rays;an imaging stage which supports a breast;a pressing plate which presses the breast supported on the imaging stage;a guide information generator which provides the imaging stage with guide information for guiding a placement position of the breast, the guide information being generated based on a nipple position, an image start position, and an image end position of a previous image of the breast; andan X-ray detection unit which generates X-ray projection data by detecting X-rays transmitted through the breast by an X-ray detector.2. The mammography apparatus according to claim 1 , wherein the guide information generator generates guide light corresponding to an outer shape of the breast as the guide information.3. The mammography apparatus according to claim 2 , wherein the guide information generator is provided for the X-ray tube and comprises:a light source which generates the guide light; anda reflector which reflects the guide light generated by the light source and projects the guide light onto the imaging stage.4. The mammography apparatus according to claim 3 , wherein the guide light indicates three points on the imaging stage which correspond to the nipple position claim 3 , ...

ASYMMETRIC SCATTER FITTING FOR OPTIMAL PANEL READOUT IN CONE-BEAM COMPUTED TOMOGRAPHY

An x-ray imaging apparatus and associated methods are provided to receive measured projection data in a primary region and measured scatter data in asymmetrical shadow regions and determine an estimated scatter in the primary region based on the measured scatter data in the shadow region(s). The asymmetric shadow regions can be controlled by adjusting the position of the beam aperture center on the readout area of the detector. Penumbra data may also be used to estimate scatter in the primary region. 1. An x-ray imaging apparatus , comprising:a rotating x-ray source for emitting a radiation beam;an x-ray detector positioned to receive radiation from the x-ray source, wherein the detector includes a readout range;a beamformer configured to adjust a shape of the radiation beam emitted by the x-ray source, such that a primary region of the x-ray detector is directly exposed to the radiation beam and at least one shadow region of the x-ray detector is blocked from direct exposure to the radiation beam by the beamformer;wherein an aperture center of the primary region is offset from a readout center of the readout range.2. The x-ray imaging apparatus of claim 1 , further comprising a data processing system configured to:receive measured projection data in the primary region and measured scatter data in the at least one shadow region; anddetermine an estimated scatter in the primary region based on the measured scatter data in the at least one shadow region.3. The x-ray imaging apparatus of claim 2 , wherein the data processing system is further configured to:receive measured penumbra data in at least one penumbra region; anddetermine the estimated scatter in the primary region based on the measured penumbra data in the at least one penumbra region.4. The x-ray imaging apparatus of claim 1 , wherein the beamformer adjusts a position of the of the radiation beam such that the aperture center of the primary region is offset from a detector center of the x-ray detector.5. ...