15 results about "Image guided radiotherapy" patented technology

The invention relates to a multi-robot image guide radiotherapy system and an imaging method thereof, and relates to the technical field of radiotherapy. The multi-robot image guide radiotherapy system comprises a treatment device, a main robot, an auxiliary robot and an imaging device. One or both of the radiation blocker and the imaging detector are movable such that, upon emission of the imaging beam, the imaging detector can face the X-ray source and the radiation blocker faces away from the X-ray source, then the radiation blocker does not interfere with detection by the imaging detector; and when the treatment beam is emitted, the radiation blocker can face the treatment device, and the imaging detector deviates from the treatment device, so that the treatment beam cannot directly irradiate the imaging detector, and the purpose of protecting the imaging detector to ensure the quality of an image detected by the imaging detector is achieved.

The embodiment of the invention relates to the technical field of radiotherapy equipment, and discloses a real-time image-guided radiotherapy device, and the device comprises a main robot, the tail end of the main robot is loaded with a treatment part and an image generation part, the treatment part is aligned with a focus area, and the image generation part is installed in a direction which forms a first angle with the center line of a treatment beam generated by the treatment part; in the radiotherapy process, the main robot drives the treatment part and the image generation part to rotate synchronously so as to emit a treatment beam to the focus area and perform image scanning on the focus area continuously at the same time; an image receiving component is loaded at the tail end of the auxiliary robot, and in the radiotherapy process, the auxiliary robot drives the image receiving component to synchronously rotate along with the image generating component so as to receive image data obtained by image scanning; the image receiving part is located outside the range of the treatment beam in the rotating process and is orthogonal to the direction of the image beam generated by the image generating part. The problem of real-time image acquisition in the radiotherapy process of the image-guided radiotherapy system is solved.

The invention discloses a multifunctional radiotherapy calibration device, a positioning system and a calibration method.The multifunctional radiotherapy calibration device comprises a laser tracker target ball assembly, a calibration device body with supporting plate orthogonal scribed lines and a cubic die body with die body orthogonal scribed lines, and the calibration device body and the cubic die body are each provided with a plurality of target ball positioning holes; the target ball positioning holes in the cubic die body are respectively formed in the central positions of all surfaces of the cubic die body; the verification device body is provided with a surface positioning structure which is used for performing surface matching positioning with the cubic die body in the X direction, the Y direction and the Z direction, and a target ball center positioning hole is formed in the orthogonal point of the orthogonal scribed lines of the supporting plate. The method can realize the coincidence of the central point of a treatment area on a treatment bed board and the treatment central point of a beam port, the line width of a laser positioning system, the perpendicularity of orthogonal laser lines and the central point position of the laser positioning system, and the image guide range, geometric position relation and central point position of an image guide radiotherapy system. And quickly checking whether the axes of the two groups of X-ray beams are coplanar or not.

The embodiment of the present application discloses a magnetic resonance image guided radiotherapy system. The magnetic resonance image guided radiotherapy system comprises a radiotherapy device, the radiotherapy device comprises a treatment head; a magnetic resonance imaging device, the magnetic resonance imaging device comprises a main body, the main body is provided with a superconducting magnet adopting a liquid-helium-free conduction cooling technology and a through hole communicating the inner wall and the outer wall of the main body; the treatment head is at least partially arranged in the through hole and is used for emitting a radiation beam to the internal cavity of the main body to perform radiotherapy.

An image taken, e.g. in a combined magnetic resonance imaging and radiotherapy apparatus, is corrected for motion of the patient support during imaging using a trained neural network. The invention is

The present application relates to a kind of image guided radiotherapy device and control method.According to a specific embodiment, the radiotherapy device includes: treatment unit, which includes treatment head, the treatment head is used to generate the ray of radiotherapy;Imaging unit is used to image the target area of patient, the imaging unit is integrally installed with the treatment head;And planning unit is connected with the treatment unit and the imaging unit by cable.The radiotherapy device of the present application can be suitable for external radiotherapy and intraoperative radiotherapy, and has higher radiotherapy precision.

The utility model provides a vertical image guided radiotherapy device belongs to radiotherapy equipment technical field, include: vertical support, vertical support is equipped with lifting unit, lifting unit can be along vertical support and can penetrate vertical support, vertical support is equipped with beam unit and imaging unit, the central ray direction of beam unit and imaging unit is located in the same plane intersection, lifting unit is equipped with support positioning unit, support positioning unit rotatably is established in lifting unit, wherein, vertical support includes bearing column, bearing column is equipped with bearing seat, imaging unit and beam unit are installed on bearing seat, the utility model discloses adopt the irradiation mode of beam flow fixation, patient rotation, need not rotate frame, and utilize image guide technology to realize high accuracy irradiation, whole machine structure is simple, and equipment manufacturing and machine room construction cost are low.

An image guided radiotherapy apparatus and a control method are provided. According to a specific embodiment, the radiotherapy apparatus includes: a treatment unit, which includes a treatment head for generating radiation beam for radiotherapy; an imaging unit for imaging a target area of a patient, wherein the imaging unit is integrated mounted with the treatment head. The radiotherapy apparatus of the present invention can be applicable to both extracorporeal and intraoperative radiotherapy, and has a high radiotherapy accuracy.

The invention relates to a multi-robot image-guided radiotherapy system, and relates to the technical field of radiotherapy. The multi-robot image guide radiotherapy system comprises a treatment device, a main robot, an auxiliary robot and an imaging device. The radiation blocker and the imaging detector are movable such that, when the imaging beam is emitted, the imaging detector can face the X-ray source and the radiation blocker deviates from the X-ray source, the radiation blocker does not interfere with the detection of the imaging detector; and when the treatment beam is emitted, the radiation blocker can face the treatment device, and the imaging detector deviates from the treatment device, so that the treatment beam cannot directly irradiate the imaging detector, and the purpose of protecting the imaging detector to ensure the quality of an image detected by the imaging detector is achieved.

Systems, methods, and computer software are disclosed that can include receiving a treatment prescription for a patient, obtaining a diagnosis-driven magnetic resonance imaging guided radiotherapy treatment and planning workflow (MRgRT&P workflow) associated with the treatment prescription from a workflow library, the diagnosis-driven MRgRT&P workflow having a parameter list comprising parameters utilized for MRI-guided radiation therapy. With the diagnosis-driven MRgRT&P workflow, any of the following can be performed: imaging with the MRI-guided radiation therapy system utilizing radiation therapy imaging parameters in the parameter list, generating a radiation therapy treatment plan utilizing radiation therapy planning parameters in the parameter list, and / or controlling an MRI-guided radiation therapy system utilizing radiation therapy delivery parameters in the parameter list.

The application discloses a multifunctional radiotherapy checking device, a positioning system and a checking method, and relates to the technical field of radiotherapy. The multifunctional radiotherapy checking device comprises a laser tracker target ball assembly, a checking device body provided with a support plate orthogonal scale line and a cubic phantom provided with an orthogonal scale line phantom, a plurality of target ball positioning holes are arranged on the checking device body and the cubic phantom, and the target ball positioning holes on the cubic phantom are arranged at the center positions of each face of the cubic phantom. A face positioning structure for XYZ three-direction face cooperation positioning with the cubic phantom is arranged on the checking device body, and a target ball center positioning hole is arranged at the orthogonal point of the support plate orthogonal scale line. The multifunctional radiotherapy checking device can realize rapid checking of the coincidence of the center point of a treatment area on a treatment bed plate and the center point of a beam port, the line width of a laser positioning system, the perpendicularity of orthogonal laser lines, the center point position of the laser positioning system, the image guiding range of an image guided radiotherapy system, the geometric position relationship, the center point position, and whether two groups of X-ray beam axes are coplanar.

The invention relates to the technical field of medical equipment, and discloses a radiotherapy adaptive after-loading transfer bed with a sterile oxygen supply and self-cleaning system, an oxygen supply system, a self-cleaning system and a body position fixing system. The bed board is arranged at the top of the bed frame, the bed board is made of a carbon fiber composite material and is free of metal parts, and an electric lifting mechanism is arranged on the bed frame; the radiotherapy adaptive after-loading transfer bed with the sterile oxygen supply and self-cleaning system comprises a foldable cover body, an HEPA-UV circulation system and a magnetic sealing strip, wherein the foldable cover body is made of a medical-grade transparent PETG material. According to the radiotherapy adaptive after-loading transfer bed with the sterile oxygen supply and self-cleaning system, through the carbon fiber bed plate and the electric lifting mechanism, the radiotherapy adaptive after-loading transfer bed can be adaptive to CT / MRI image guide radiotherapy and can be matched with the height of an accelerator treatment table; the radiotherapy adaptive after-loading transfer bed with the sterile oxygen supply and self-cleaning system is combined with an HEPA-UV circulation system, so that a continuous sterile environment can be provided, and the infection risk is reduced; due to the multi-channel oxygen supply design and the standby high-pressure oxygen tank, oxygen supply stability in the patient transfer process can be guaranteed; the body position fixing system achieves a fixing error smaller than or equal to 2 mm through negative pressure adsorption, and the radiotherapy positioning precision is ensured.

Systems, methods, and computer software are disclosed that can include receiving a treatment prescription for a patient, obtaining a diagnosis-driven magnetic resonance imaging guided radiotherapy treatment and planning workflow (MRgRT&P workflow) associated with the treatment prescription from a workflow library, the diagnosis-driven MRgRT&P workflow having a parameter list comprising parameters utilized for MRI-guided radiation therapy. With the diagnosis-driven MRgRT&P workflow, any of the following can be performed: imaging with the MRI-guided radiation therapy system utilizing radiation therapy imaging parameters in the parameter list, generating a radiation therapy treatment plan utilizing radiation therapy planning parameters in the parameter list, and / or controlling an MRI-guided radiation therapy system utilizing radiation therapy delivery parameters in the parameter list.

An embodiment of the present invention relates to the technical field of radiotherapy equipment, and discloses a real-time image-guided radiotherapy device, including: a main robot, at the end of which a treatment component and an image generation component are loaded, the treatment component is aligned with the lesion area, and the image generation component is installed in a direction forming a first angle with the center line of the treatment beam generated by the treatment component; during radiotherapy, the main robot drives the treatment component and the image generation component to rotate synchronously, so as to continuously perform image scanning on the lesion area while emitting a treatment beam to the lesion area; a sub-robot, at the end of which an image receiving component is loaded, during radiotherapy, the sub-robot drives the image receiving component to rotate synchronously with the image generation component to receive the image data obtained by the image scanning, and during the rotation process, the image receiving component is located outside the range of the treatment beam and is orthogonal to the direction of the image beam generated by the image generation component. It solves the problem of real-time image acquisition during radiotherapy in the image-guided radiotherapy system.

The invention provides a reset method and electronic equipment, and relates to the technical field of medical treatment, in particular to the technical field of tumor tracking. The method comprises the following steps: acquiring a current two-dimensional image of a target object shot by an image guide device in image guide radiotherapy equipment from a preset angle under current fractional radiotherapy, and then acquiring a reference image of the target object under historical fractional radiotherapy and a first offset corresponding to the reference image, and finally, based on the current two-dimensional image of the target object, the reference image and the first offset, determining the current position offset of the target object under the current fractional radiotherapy. By means of the method, the accuracy of resetting the patient can be effectively improved.