807results about "Patient positioning for diagnostics" patented technology

A system configured to reduce scatter radiation around a surgical table during a medical procedure that may include at least one radiation shield configured to be connected to a surgical table with an attachment mechanism, wherein the at least one radiation shield includes one or more adjustable radiation shield segments coupled or releasably coupled to the at least one radiation shield. A device may include a pump in fluid communication with the one or more adjustable radiation shield segments comprising a pneumatic channel that is configured to at least partially inflate the pneumatic channel such that at least a first portion of the at least one radiation shield extends vertically above at least a portion of the surgical table, wherein a second portion of radiation shield is configured to extend below the surgical table. A device may include a controller configured to activate the pump.

Provided herein is technology relating to radiology and radiotherapy and particularly, but not exclusively, to apparatuses, methods, and systems for multi-axis medical imaging of patients in vertical and horizontal positions.

A system for controlling an operating mode of a patient positioning system, comprising: a patient positioning device; a motion and / or touch sensor arrangement (102); a sensor arrangement having at least one sensor (126) that outputs sensor values; and an evaluation unit (128); wherein the system is operable in different operating modes, comprising at least a standby mode and active modes, the active modes comprising at least a normal operating mode and an incognito mode; and wherein, when the motion and / or touch sensor arrangement (102) detects movement and / or touch of the patient positioning device in standby mode, the evaluation unit (128) checks whether the sensor values ​​have a significant change, and the system switches to an active mode if the check reveals that there is a significant change in the sensor values.

The invention discloses a digital subtraction angiography system and method based on gesture control. The DSA system provided in the present specification comprises: a gesture sensing container for accommodating a body part on which a user makes a gesture; the image acquisition equipment is used for acquiring an image of an area including the gesture sensing container under the condition that an acquisition instruction is received; the central processing equipment is used for sending the acquisition instruction to the image acquisition equipment under the condition that a gesture acquisition event is triggered, identifying gesture information from an image acquired by the image acquisition equipment, and generating a control instruction according to the gesture information; and the DSA equipment is used for collecting in-vivo information of the patient, generating a corresponding medical image and moving under the control of the control instruction. According to the system, on the basis that gesture control replaces a traditional operation mode, the safety of the operation environment is guaranteed to the maximum degree, the operation complexity of DSA equipment is simplified, and the probability of accidents in the operation process is reduced.

The magnetic resonance imaging (MRI) device comprises a magnet unit, a patient table, and a patient position detection device. The magnet unit surrounds a patient acquisition area defined by an inner wall of the magnet unit and includes a whole-body coil. The patient table is movable within the patient acquisition area. The patient position detection device comprises a sensor unit, a determination unit, and a verification unit. The sensor unit is designed to determine the patient's position on the patient table. The determination unit is designed to determine the distance between the patient and the inner wall based on this position information. The verification unit is designed to check the patient's positioning against a distance limit based on this distance.

A medical imaging system includes a gantry including a bore extending through the gantry. The medical imaging system further includes a table configured to support a subject moving through the bore. The medical imaging system further includes at least one sensor disposed on the table and configured to sense a total weight of a load on the table at two or more different measurement points. The medical imaging system further includes camera configured to generate an image of the table including the subject. The medical imaging system further includes a processor configured to determine a weight of the subject on the table based on at least one signal from the at least one sensor and a second signal from the camera.

The embodiment of the invention discloses a method and system for emission computed tomography for animal imaging. The method comprises the steps that a plurality of imaging animals are placed on a plurality of trays in preset placement postures, each tray is configured to place one imaging animal, each tray comprises a body part fixing part, and the body part fixing parts are configured to fix the preset placement postures of the imaging animals placed on the body part fixing parts; placing a plurality of trays on the supporting part of the multi-imaging animal fixing device; the multi-imaging-animal fixing device is placed in an animal cabin of scanning equipment, and emission computed tomography is carried out on multiple imaging animals at the same time.

The present disclosure provides a system and method for scanning a subject. The method includes determining reference dimensions, along the width direction of the table, of the subject on the table at positions along the moving direction of the table; dividing, based on the reference dimensions, the subject into at least one region along the moving direction of the table, the at least one region including at least one of a first region or a second region; and controlling a relative motion between the detector and the table to perform scanning on the at least one region in sequence along the moving direction of the table. During scanning one of the at least one region, the detector moves along the width direction of the table relative to the table.

The present disclosure provides a cone beam computed tomography system for proton therapy comprising an x-ray source configured to generate x-rays and positioned to rotate around a patient at a treatment isocenter, a detector assembly positioned opposite the x-ray source and configured to receive x-rays that have passed through the patient, a rotation mechanism configured to rotate the x-ray source and the detector assembly around the patient while maintaining their relative positions, a translation mechanism configured to translate at least one of the x-ray source, the detector assembly, or a patient couch during rotation to implement a wobbled scan orbit, and a scatter rejection grid attached to the detector assembly and focused on the x-ray source to reduce scattered x-rays. The translation mechanism distributes missing projection data across multiple radii and angles, enabling improved reconstruction quality through iterative reconstruction methods.

The application discloses a kind of full-automatic medical X-ray machine, including support seat, the outside of the support seat is hinged with three support universal wheels, the top of the support seat is rotatably connected with rotating seat, two stepped grooves are formed in the rotating seat, vertical rail is fixedly installed on the rotating seat, automatic X-ray machine main body is movably installed on the vertical rail, folding bed board is arranged on the rotating seat in overlap.The application pulls folding bed board laterally by the roller at the bottom of support column, so that it is separated from rotating seat, two positioning clamps are separated, then folding bed board is folded in half to reduce the volume of bed, which is convenient for moving, then start winding element to drive three support universal wheels to fold towards support seat, support seat is supported to facilitate device movement, while the volume of device is greatly reduced, so that the device has the advantages of convenient movement, the bed part can be quickly disassembled and separated, the volume is reduced, and the operation is more convenient.

A computer-implemented method for preparing a subject for medical imaging is provided, comprising the steps of: acquiring a series of images of a region of interest including at least a portion of the subject, the series of images including at least a first image and at least a subsequent second image (S10); determining a position of at least one landmark from the series of images, the at least one landmark being anatomically related to a target anatomical structure (S20); determining a confidence level assigned to a position of the at least one landmark (S30); determining a position of the target anatomical structure based on the position of the at least one landmark and the confidence level (S40); and providing the position of the target anatomical structure for preparing the subject for medical imaging (S50).

According to the shell module, the examination couch and the scanning equipment, the shell module comprises a shell assembly and a sliding rail assembly, the shell assembly comprises a plurality of shells, the multiple shells are sequentially arranged in a sleeving mode, and any two adjacent shells in the multiple shells are in sliding connection through the sliding rail assembly in the vertical direction. In other words, the shell assembly can guide the movement of the two adjacent shells in the vertical direction through the sliding rail assembly, so that the shell assembly can only move in the vertical direction. In this way, the situation that in the movement process of the whole shell module, due to the fact that the shell modules are subjected to external force, the shells between different layers rub against one another, noise, abnormal sounds or jamming are generated is avoided, and the use experience of the examining table with the shell module is improved.

The utility model provides a synchronous moving mechanism, a side position head clamp assembly comprising the synchronous moving mechanism and an oral cavity CBCT, and belongs to the technical field of CBCT side position head clamps, the synchronous moving mechanism comprises a base body, a rotating rod rotationally arranged in the length direction of an inner cavity of the base body, and two connecting shafts arranged at the end of the rotating rod in a threaded mode and connected with the base body in a sliding mode, any connecting shaft can synchronously drive the other connecting shaft to move in the opposite direction or the reverse direction when moving in the axial direction of the rotating rod, the rotating rod comprises two rod bodies fixedly connected end to end, the connecting portion of the two rod bodies is rotationally arranged in an inner cavity of a base body through a bearing, and the base body is of a cuboid structure internally provided with a cavity. A mounting groove matched with the bearing is formed in the middle of the cavity of the base body; by means of the connection mode that the base body, the rotating rod and the connecting shaft are tightly matched, the connecting device has the advantages of being compact in structure, high in space utilization rate and low in manufacturing and installing cost, lubricating oil only needs to be smeared regularly during later maintenance, and maintenance is convenient.

This invention provides a medical bed, comprising a lifting mechanism, a trailer, a bed frame, a base, and a column. The column is slidably connected to the base, and the lifting mechanism is slidably connected to the column. One end of the trailer is fixedly connected to the side wall of the lifting mechanism, and the other end of the trailer is fixedly connected to the bed frame. The bed frame is fixed to the lower side of the trailer, and the end of the bed frame away from the trailer is cantilevered. The medical bed provided by this invention, when the bed frame extends into the aperture, can be positioned closer to the bottom of the aperture, freeing up space below the bed frame and thus increasing the treatment space, providing more operating space for medical equipment.

Systems and methods are provided for managing and reducing the severity or impact of a collision involving an apparatus secured to a table associated with a medical imaging and / or therapeutic gantry. Example systems are provided in which an apparatus is secured to the table such that a distal region of the apparatus extends beyond a longitudinal end of the table. A pivot joint associated with the apparatus is provided such that when a collision between the distal region of the apparatus and an object occurs due to motion of the table, the resulting force causes the apparatus to rotate relative to the pivot joint, thus passively accommodating the applied force and preventing, or reducing the likelihood of, mechanical buckling of the apparatus in the presence of the force. In some example embodiments, the apparatus is configured to rotate and / or translate as a result of the force applied during the collision.

The utility model relates to the technical field of pet medical teaching auxiliary equipment, in particular to a pet knee joint x-ray positioning teaching aid which comprises a binding type auxiliary positioning assembly, the binding type auxiliary positioning assembly comprises a binding band, an ascending plate, an upper extending plate, a descending plate and a lower extending plate, the ascending plate is detachably connected with the binding band and located at one end of the binding band, and the descending plate is detachably connected with the binding band and located at the other end of the binding band. The descending plate is detachably connected with the binding band and located at the end, away from the ascending plate, of the binding band, the descending plate and the ascending plate are arranged in parallel, the upper extending plate is detachably connected with the ascending plate and located on the side, away from the binding band, of the ascending plate, and the lower extending plate is detachably connected with the descending plate and located on the side, away from the binding band, of the descending plate. The lower extension plate and the upper extension plate are arranged in parallel, and the binding type auxiliary positioning assembly is additionally arranged, so that the problem that a professional and accurate knee joint X-ray positioning teaching aid is lacked in current pet medical teaching is effectively solved.

The present invention relates to a diagnostic container for hermetically enclosing a patient during imaging with a medical imaging system. The container comprises an airtight shell configured for providing an airtight enclosure of the patient, and the airtight shell comprises at least one recess extending into an inner volume of the airtight shell, wherein the recess is configured for ensuring the airtight enclosure. The recess is further configured for receiving a component part of a medical device and for allowing a positioning of the component part in close proximity to the patient without direct contact of the component part to the patient.

The invention belongs to the technical field of medical instruments, and discloses a neurosurgery head frame capable of achieving image recognition and position adjustment and a using method, and the neurosurgery head frame comprises a supporting base, a head supporting ring and a plurality of fixing head nail suites; the top end of a vertical plate of the supporting base is provided with an arc-shaped groove sliding way which is arranged in an inwards-concave mode, a plurality of fixing head nail sets are detachably installed on one side face of the head supporting ring in the circumferential direction of the head supporting ring and can abut against and make contact with the head of a patient to fix the head, and the head supporting ring is installed on the arc-shaped groove sliding way in a sliding mode. The head supporting ring and the arc-shaped groove slide way are locked through a locking screw, the rotation angle of the head supporting ring in the arc-shaped groove slide way can be adjusted by unscrewing the locking screw, and then the head position rotation angle of the head is adjusted. The supporting base and the head supporting ring are provided with a plurality of identification point positions. The head frame can provide fixation of different head positions required by an operation, is suitable for various different head neurosurgery operations, and can quickly recognize the change of the head position through an image.

The utility model provides an upper limb lifting device for CT examination, and belongs to the technical field of medical instruments. The problem of how to improve the scanning imaging effect while ensuring the comfort is solved. The upper limb lifting device for the CT examination comprises a bottom plate, two oppositely-arranged connecting supports are connected to the bottom plate, the opposite sides of the two connecting supports are detachably connected with long-strip-shaped hand placing rods, and each hand placing rod is arranged in the transverse direction. According to the upper limb lifting device for the CT examination, the scanning imaging effect can be improved while the comfort of a patient is guaranteed.

The present invention relates to a sensor arrangement for patient setup guidance to be embedded in a medical imaging or treatment system, the sensor arrangement comprising a plurality of sensors, wherein at least a first sensor of the plurality of sensors comprises a field of view of the first sensor having an aspect ratio unequal to 1, thus comprising a first axis of the field of view of the first sensor and a second axis of the field of view of the first sensor, wherein the field of view of the first sensor is larger in the direction of the first axis than in the direction of the second axis, and wherein the plurality of sensors are arranged along a line parallel to the direction of the second axis of the field of view of the first sensor.

The utility model discloses a CT (computed tomography) device capable of adjusting irradiation measurement according to local weight distribution. The CT device comprises a scanning bed and a scanning device. The scanning bed comprises a bed frame and a bed board, and the bed board is slidably connected to the bed frame and can go deep into and out of the scanning cavity of the scanning device in the Z direction. The bed frame is designed to be of a supporting, lifting and telescopic structure for the bed board. The bed plate comprises a supporting plate and a sensor layer, and the supporting plate is designed to be of a supporting structure of the bed plate and is slidably connected with the bed frame. The sensor layer comprises a base layer, a plurality of pressure sensors and a sensor interface, the base layer is designed as a supporting and insulating structure of the pressure sensors, the plurality of pressure sensors are distributed on the base layer in an array shape, each pressure sensor is connected to the sensor interface through a flat cable, and the flat cable is arranged along the base layer. According to the CT equipment provided by the utility model, the pressure distribution data of the scanned object on the scanning bed is obtained through the pressure sensor arranged on the scanning bed, and the irradiation dose of each scanned fault is optimized according to the weight distribution characteristics.

Methods and devices are provided for fabricating and employing patient immobilization devices during radiation treatment procedures. Immobilization devices are provided that include a thin conformal shell configured to conform to an anatomical region of a patient that is to be exposed to radiation during a radiation treatment procedure, with a rigid lattice structure extending outwardly, in an external, beam-facing direction, from the conformal shell. The rigid lattice structure confers structural rigidity to the device, and the thin cellular regions mitigate the impact of the device on a surface dose delivered to the patient or subject. The present mechanical-metamaterial-based immobilization devices incorporate structural features that confer advantageous mechanical properties and radiation transmissive properties when compared with conventional solid or mesh-based immobilization devices used in radiation therapy.

The utility model relates to a CT (Computed Tomography) artifact suppression neck collar which comprises two saline bag bodies which are oppositely arranged left and right, and a communicating bag body positioned between the two saline bag bodies, two ends of the communicating bag body are respectively communicated with the two saline bag bodies; the upper ends of the two saline bag bodies are provided with neck pads facing each other; the communicating bag body, the two saline bag bodies and the two neck lapping pads jointly define a containing cavity for containing the neck of a patient; during use, saline water is injected in advance, and the two saline water bag bodies, the neck lapping pad and the communicating bag body are enclosed, coated and attached to the neck of a patient, so that high-quality display of images of the neck during CT can be realized, artifacts are greatly reduced, and the effect is obvious.

A cone beam breast computed tomography scanning system includes a vertical plane gantry subsystem pivotally connected to a foundation element for ergonomic patient positioning.

Method for operating a dental diagnostic imaging system for temporomandibular joint (TMJ) diagnostics and / or TMJ therapy, providing at least two modalities for generating (205, 210) three-dimensional image data, wherein a first image and at least a second image depicting the surface of the object (120) to be imaged are tomographically generated for a dental object (120) comprising at least one TMJ (105, 110), wherein the at least two three-dimensional image data generated (205, 210) in the at least two images are combined by means of a multimodal registration (225, 230) (225), wherein the generation (205, 210) of the at least two three-dimensional image data on the object (120) to be imaged is carried out with markings (125, 310 - 325) captured in the at least two images of different modalities (200).and wherein the at least two three-dimensional image data are spatially assigned to the temporomandibular joint (105, 110) by means of multimodal registration (225, 230) on the basis of the markers (125, 310-325) captured in the three-dimensional image data of both modalities (225), wherein the markers (125, 310-325) are arranged in a spatially restricted recording area for the at least two recordings of different modalities, wherein the markers (125, 310-325) are visible in the at least two recordings of different modalities, and wherein the image data generation is carried out at least by means of the first tomographic recording with the spatially restricted recording area corresponding to the markers (125, 310-325) (205, 210), wherein the spatially restricted recording area is arranged within the oral region of a patient for temporomandibular joint diagnostics and / or for temporomandibular joint therapy, characterized in thatthat the markings (125, 310 - 325) are arranged on a template (115) that can be precisely positioned within the patient's oral cavity, wherein the template (115) is placed in the restricted recording area (200) before the generation (205, 210) of the three-dimensional image data.

An apparatus and method for dynamically adjusting a table drive in a medical imaging system are described. An example apparatus includes a table, a table motor controller to move the table, and a detection system to detect a wall, accessory or patient parameter. The detection system includes at least one of a QR code reader, an RFID reader, an NFC reader, a LiDAR sensor, or a camera. A processing system calculates a table drive set point based on the detected accessory or patient parameter and adjusts the table drive and height to prevent collisions. The apparatus also includes a user interface configured to receive user input of room dimensions, which are a factor in determining at least one of an initial table drive set point and the new table drive set point, and a display device configured to provide a graphical depiction of a new maximum scannable range.

To support arrangement of a support tool for a subject in CT imaging in a standing position and / or a sitting position.SOLUTION: An X-ray CT apparatus includes an X-ray tube, an X-ray detector, a scanner, a stand, an acquisition unit, a generation unit, and a display control unit. The X-ray tube irradiates a subject with X-rays. The X-ray detector is configured to detect the X-rays that have passed through the patient. The scanner houses an X-ray tube and an X-ray detector, and has an opening into which a subject in a standing or sitting posture is inserted. The processing circuitry acquires external shape information representing an external shape of a subject and first identification information for identifying an imaging region of the subject. The processing circuitry is configured to generate supporting information indicating at least one selected from between a type and an arrangement of a support member for the subject, on the basis of the external shape information, the first identification information, and the space capable of being imaged by the scanner. The display controller displays the support information.SELECTED DRAWING: Figure 7