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.

Proposed is a medical imaging system including: a C-arm including an X-ray source and a detector; a first plate installed on an X-ray path between the X-ray source and the detector, and including a first transmissive surface provided with a plurality of first ball markers blocking an X-ray, and a first optical marker; a second plate installed on the X-ray path between the X-ray source and the detector, and including a second transmissive surface provided with a plurality of second ball markers blocking the X-ray, and a second optical marker; a reference optical marker configured to provide a 3D reference coordinate system; an optical tracking device configured to recognize locations of the first and second optical markers and the reference optical marker; and a matcher configured to calculate a matching relationship between coordinates on a 3D reference coordinate system and locations on first and second captured images.

A method of imaging a breast of a patient using an imaging system includes applying, with a first component of the imaging system, a compressive force to the breast. A second component of the imaging system is positioned in a start position. The imaging system sends a first guidance signal to the patient. An imaging procedure of the breast is performed with the second component of the imaging system. Subsequent to performing the imaging procedure, a second guidance signal is sent to the patient.

A medical imaging system includes an imaging unit that obtains a medical image or data used for generating the medical image by imaging a subject, a processor that stores positioning data for specifying arrangement of the subject with respect to the imaging unit, and a display unit that three-dimensionally displays the arrangement of the subject with respect to the imaging unit by using the positioning data in a case where the subject is imaged using the imaging unit.

A visible light projection indicator for a dental x-ray imaging apparatus, including a casing (2), one end of the casing (2) detachably affixed to a beam-limiting cone (3) in the dental x-ray imaging apparatus, the other end thereof provided with a light exit aperture; a visible light source (1) positioned in the casing (2) and configured to be able to emit visible light; the casing (2) affixed to the beam-limiting cone (3) so as to form a light passage so that visible light emitted from the visible light source (1) is able to travel along the light passage and exits from the light exit aperture. A method of using a visible light projection indicator for a dental x-ray imaging apparatus, including the steps of: affixing the visible light projection indicator to a beam-limiting cone (3); activating at least one visible light source (1) to cause visible light to be emitted from a light exit aperture of the visible light projection indicator; according to a light field (6) of the visible light, adjusting a distance and an orientation of the beam-limiting cone (3) from and with respect to an object to be imaged so that the visible light is aligned with a center of an area (5) to be imaged; and performing an X-ray imaging operation.

A visible light projection indicator for a dental x-ray imaging apparatus, including a casing (2), one end of the casing (2) detachably affixed to a beam-limiting cone (3) in the dental x-ray imaging apparatus, the other end thereof provided with a light exit aperture; a visible light source (1) positioned in the casing (2) and configured to be able to emit visible light; the casing (2) affixed to the beam-limiting cone (3) so as to form a light passage so that visible light emitted from the visible light source (1) is able to travel along the light passage and exits from the light exit aperture. A method of using a visible light projection indicator for a dental x-ray imaging apparatus, including the steps of: affixing the visible light projection indicator to a beam-limiting cone (3); activating at least one visible light source (1) to cause visible light to be emitted from a light exit aperture of the visible light projection indicator; according to a light field (6) of the visible light, adjusting a distance and an orientation of the beam-limiting cone (3) from and with respect to an object to be imaged so that the visible light is aligned with a center of an area (5) to be imaged; and performing an X-ray imaging operation.

Device (1) for positioning interventional instruments within an examination space, with a tomograph (11) for recording diagnostic image data of the examination space, a patient table (4) that can be moved transversely and/or rotated, at least one radiation unit (2, 2A, 2B, 2C) with a radiation source, which generates directed electromagnetic radiation, at least one carrier device (3, 3A, 3B, 3C) associated with the respective radiation unit (2, 2A, 2B, 2C), a control unit for orientation of the respective radiation unit (2, 2A, 2B, 2C) and of the patient table (4) according to the access and target points selected based on the diagnostic image data, wherein each radiation unit (2, 2A, 2B, 2C) is arranged movably with a first degree of freedom on the respective carrier device (3, 3A, 3B, 3C) and the carrier device (3, 3A, 3B, 3C) permits the mobility of this radiation unit (2, 2A, 2B, 2C) relative to the patient table (4), wherein an access point and the relative orientation of an instrument to reach a target point that lies in a trajectory of the instrument can be marked by means of the respective radiation unit (2, 2A, 2B, 2C), wherein the positioning of the carrier device (3, 3A, 3B, 3C) takes place in the coordinate system of the tomograph (11), to be precise without coordination with a second coordinate system of the carrier device (3, 3A, 3B, 3C) or the radiation source, wherein the access point and the target point can be selected independently of one another from the diagnostic image data, and the radiation unit (2, 2A, 2B, 2C) comprises an orientation device (6) for orientation of the radiation source and/or of the radiation (5) in at least a second and a third degree of freedom, wherein the second and the third degree of freedom relate to different movement axes.

A radiation imaging system and a radiation imaging method are provided. The radiation imaging system includes a remote-control module and an imaging device. The imaging device has a radiation isolation cavity. The radiation isolation cavity includes a radiation irradiation area adapted for placing an object under test. The imaging device includes a controller, a radiation source, and a flat panel detector. The radiation source is disposed on a top of the radiation isolation cavity and faces the radiation irradiation area. The flat panel detector is disposed below the radiation exposure area. During a preparation for exposure, the controller turns on the radiation source. When the controller receives an activation signal output by the remote-control module, the controller operates the flat panel detector to obtain a radiation image corresponding to the object under test.

A radiography diagnosis device includes a casing having an opening, a first shielding structure, a dose measuring unit, a transmission-type X-ray source module, and an image receiving assembly. The first shielding structure is disposed in the casing and forms a shielded space located between the transmission-type X-ray source module and the image receiving assembly and corresponding to the opening. An object to be detected is adapted to enter the shielded space through the opening. The transmission-type X-ray source module is disposed in the casing and adapted to provide an X-ray toward the object to be detected in the shielded space. The image receiving assembly is disposed in the casing. During image capturing, the X-ray generated by the transmission-type X-ray source module is received by the dose measuring unit, and the image receiving assembly receives the X-ray passing through the object to be detected at the same time.

An imaging device for acquiring a time series of in vivo images of a region of a subject's body is provided. The imaging device includes a energy source, a detector for detecting energy from the energy source passing through the region of the subject's body located between the energy source and detector, a controller configured to operate the energy source and the detector to acquire a time series of in vivo images of the region of the subject's body, a sensor for monitoring a physiological parameter associated with the region of the subject's body to be imaged and a processor configured to determine timing of the image acquisition based at least on the monitored physiological parameter. A method for acquiring a time series of in vivo images of a region of a subject's body using the imaging device is also provided.