1119results about "Patient positioning for diagnostics" patented technology

The invention discloses a CT scanning patient supporting framework, device and method based on vertical and horizontal dual-purpose adaptation, and relates to the technical field of CT equipment. The direction adjusting supporting structure is arranged on the bottom supporting base structure in a controllable positioning type through connection mode; the two groups of horizontal driving structures are respectively assembled at the top and bottom of the lifting upright post structure; the supporting assembly structure is in transmission assembly connection with the lead screw assembly; and the positioning assembly is arranged on the supporting assembly structure and is connected with the control module through a circuit. The problem that in the prior art, a CT scanning device is poor in adaptability corresponding to different vertical and horizontal states is solved.

The invention discloses a body position fixing device for radiology department examination, which comprises a bed body, a limiting mechanism, an unlocking mechanism and a plurality of fixing units, the limiting mechanism, the unlocking mechanism and the plurality of fixing units are arranged on the bed body, and the limiting mechanism and the unlocking mechanism are matched with the fixing units. Each fixing unit comprises a clamping plate, a first connecting rod, a second connecting rod, a crank, a movable block, a cylinder and a base, a movable groove is formed in the base, the cylinder is arranged in the movable groove and connected with the movable block, the second connecting rods are symmetrically arranged on the two sides of the movable block, the crank and the movable block are rotationally connected with the second connecting rods, and the crank is rotationally connected with the clamping plate; the clamping plate and the base are both rotationally connected with the first connecting rod. Through the application of the body position fixing device for examination in the radiology department, the operation process is simplified, the operation burden of medical staff is relieved, and the working efficiency of the medical staff is improved.

The utility model discloses a bed body foot support of a digital fluoroscopy X-ray machine, which comprises a bottom plate, an examination bed arranged at the top of the bottom plate and a connecting frame arranged at one end of the examination bed, and further comprises a mounting plate arranged at one end of the connecting frame, a sliding opening is formed in the outer wall of the top of the mounting plate, and a sliding block is connected to the inner wall of the sliding opening in a sliding mode. According to the bed body foot support of the digital fluoroscopy X-ray machine, a patient can put two heels on the two foot supporting assemblies respectively, the fixing plate can be driven to ascend by a certain height through the lifting assembly when the legs need to be lifted, then the foot supporting assemblies and the feet of the patient are driven to ascend, the patient is helped to lift the legs, and therefore the patient can conveniently lift the legs. When the foot needs to be rotated to adjust the position of the ankle joint, the foot supporting assembly can be driven to rotate by a certain angle through the adjusting assembly, then the foot of a patient is driven to rotate by a certain angle, the position of the ankle joint is adjusted, the adjusted posture can be stably kept, and the shooting effect is ensured.

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.

This invention provides an adjustable radiation shielding device for radiology departments, relating to the field of radiology. It includes a bed frame with a radiation shielding mechanism. The radiation shielding mechanism comprises a fixed part, a displacement winding part, an auxiliary rotating rail, a locking mechanism, and a radiation shielding cloth. The fixed part is rotatably connected to the bed frame. The displacement winding part extends to both sides of the bed frame. One end of the locking mechanism is on the fixed part, and the other end is on the displacement winding part. The auxiliary rotating rail is fixed to the lower end of the bed frame and presses against the displacement winding part. A sliding block slides on the bed frame and is connected to the displacement winding part. One end of the radiation shielding cloth is fixed to the fixed part, and the other end is wound around the displacement winding part. The displacement winding part rotates with the assistance of the auxiliary rotating rail to wind up the radiation shielding cloth and move it to the end of the bed frame. Through the locking mechanism, the fixed part and the displacement winding part are connected together, and under external drive, the cloth rotates to the lower end of the bed frame for storage.

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 an X-ray source configured to emit X-rays. The medical imaging system also includes a high voltage generator configured to provide power to the X-ray source. The medical imaging system further includes a high efficiency power distribution unit configured to receive electrical power from an electrical grid and to store the electrical power, wherein the high efficiency power distribution unit includes an active rectifier configured to regulate a high voltage direct current outputted to components of the medical imaging system including the high voltage generator.

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.

To provide a radiographic system in which an imaging unit including a travel mechanism can be stably stored without a dedicated storage location provided, and an imaging unit.SOLUTION: A radiographic system includes: an imaging unit that is to be used in radiography and includes a travel mechanism that travels on a floor, the imaging unit including a radiation source or a radiation detector; and a subject supporter supporting a subject of the radiography and including an engagement part that detachably engages with the imaging unit.SELECTED DRAWING: Figure 2

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.

A CT apparatus includes a plurality of imaging units, a rotation mechanism, and a CPU. The imaging unit includes a radiation source and a radiation detector. The rotation mechanism rotates the plurality of imaging units around a body axis of the subject while maintaining a disposition interval. An imaging control unit of the CPU controls operations of the plurality of imaging units and the rotation mechanism. An angular interval that is determined by a frame rate of the radiation detector and a rotation speed of the imaging unit and that defines an acquisition time of a projection image based on the radiation is the same for the plurality of imaging units. The plurality of imaging units have different phases in a rotation direction, and positions where the plurality of imaging units acquire the projection images are separated by a set angle that is less than the angular interval.

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 invention relates to optimized adjustment of a patient bed in the vertical direction. The medical device (1) has a patient bed (2), the position of which can be adjusted in the vertical direction by means of a drive (5). Whenever the control device accepts a movement command (F) from the operator (12) that the patient bed (2) should move upward, the control device (9) first actuates the drive (5) in response to the movement command (F) such that the drive (5) moves the patient bed (2) downward during an initial time period. Subsequently, the control device (9) actuates the drive (5) only during a raising period directly adjacent to the initial period such that the drive (5) moves the patient bed (2) upward.

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 subject matter of the present invention is an instrument guidance device for supporting the performance of a minimally invasive intervention on the body of a living being by means of an imaging system, comprising a sensor unit and a housing which includes a bottom and a top, wherein the bottom of the housing is the side facing the body of the living being when the instrument guidance device is used, and the top of the housing is the side facing away from the body of the living being when the instrument guidance device is used, and the top is arranged opposite the bottom of the housing, characterized in that the sensor unit is a wireless sensor unit which consists of a metamaterial and is arranged between the bottom and the top inside the housing, and that the top and the bottom of the housing each have an array,each having at least one opening for the insertion of an instrument. Furthermore, the present invention relates to a system comprising an instrument guidance device for performing a minimally invasive intervention on the body of a living being.

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.