2140results about "Patient positioning for diagnostics" patented technology

A controlling system method docking for a mobile patient bed with a medical device. The method may include: obtaining, based on a docking instruction, positioning information of a target; controlling, based on the positioning information of the target, a movement of the mobile patient bed; and in response to determining that the mobile patient bed moves into a docking region of the medical device, controlling the mobile patient bed to dock with the medical device using a first docking structure on the mobile patient bed and a second docking structure on the medical device, wherein the first docking structure and the second docking structure are mechanical connection structures. By adopting the embodiments of the present disclosure, an operator may carry a mobile device to move, and control the movement of the patient bed by continuously changing a position of the mobile device, or may enable the patient bed to obtain an automatically planned path through the positioning information of the medical device and to move along the automatically planned path.

Embodiments of the present invention relate generally to implant placement into bone. More specifically, embodiments of the invention relate to implant placement across the sacroiliac joint. Placement can be facilitated using various CT imaging views that allow the implants to be placed in bone associated with articular cartilage.

An apparatus comprising a radiation source, coincident positron emission detectors configured to detect coincident positron annihilation emissions originating within a coordinate system, and a controller coupled to the radiation source and the coincident positron emission detectors, the controller configured to identify coincident positron annihilation emission paths intersecting one or more volumes in the coordinate system and align the radiation source along an identified coincident positron annihilation emission path.

For a biopsy guided by contrast-enhanced x-ray imaging, a breast imaging system may image a patient's breast subsequent to injection of contrast agent to locate a site for biopsy and / or position a biopsy device relative to the site. Once a tissue specimen is removed from the site for diagnostic evaluation, a confirmation that the specimen was removed from an intended area of interest for biopsy is performed using the systems and methods described herein. For example, the breast imaging system and / or a separate specimen imaging system may capture high and low energy images of the specimen, subtract the low energy image from the high energy image to generate a subtracted image of the specimen, and determine, based on the subtracted image, that the contrast agent is present within the specimen to confirm the site from which the specimen was removed is the intended site for biopsy.

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.

A patient support apparatus includes a support surface including a topper. An opening is formed in a side of the support surface. A cavity extends from the opening into the support surface. An inlet port is positioned within the cavity and fluidly coupled to the topper. A pneumatic blower is configured to removably position within the cavity and has an outlet port that couples to the inlet port.

The invention provides a patient state auxiliary judgment and posture adjustment method, device and system, and relates to the technical field of medical equipment. The method comprises the following steps: acquiring real-time state data of a patient; generating a three-dimensional posture model and emotion parameters of the current body posture of the patient based on the real-time state data; according to the difference degree of the preset target posture and the three-dimensional posture model, a posture adjustment instruction is generated in combination with a manual adjustment instruction of a doctor; and based on the posture adjustment instruction, prompting the patient to adjust the posture until the difference degree is smaller than a preset threshold value and the emotion parameters are in a target emotion range and lasts for a preset duration, and confirming that the patient completes examination preparation. Through the technical scheme provided by the invention, the problems that accurate state judgment is difficult to obtain and posture auxiliary adjustment cannot be performed on the patient before the patient is examined are solved, the accuracy of state perception of the patient and the efficiency of posture adjustment are improved, and the examination experience of the patient is improved.

A method captures radiographic images of a patient using a common geometric relationship relative to an x-ray source, the patient and a digital detector. Change in the patient's health is assessed based on determined changes in the radiographic images of the patient. A time to capture a next radiographic image of the patient is automatically scheduled using the common geometric relationship.

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 embodiments of the present disclosure provide medical imaging methods and systems. A method, implemented by a computing device including at least one processor and at least one storage device, comprises: obtaining a first target image of a target subject, the first target image being taken by a camera system; determining a marker in the first target image, the marker being configured to characterize a scanning position; and determining a scanning range of a medical imaging device for scanning the target subject based on the marker.

The invention relates to a body position auxiliary detection method and system based on DR equipment. The method comprises the following steps: performing coordinate alignment on pressure distribution data and three-dimensional depth information of a patient to generate an initial body position three-dimensional point cloud model; matching a corresponding reference skeleton-muscle model based on the registration information, generating a registered body position three-dimensional model through non-rigid registration, and extracting coordinates of key anatomical mark points; a target structure theoretical projection area is calculated by combining a DR equipment C arm projection angle, an angle deviation vector is acquired by comparing an actual projection boundary, and a dynamic correction mark is generated. According to the method, through space coordinate alignment, personalized model registration and real-time projection angle deviation correction, the accuracy and efficiency of body position placement are remarkably improved, radiation exposure caused by repeated shooting is reduced, and therefore the medical image quality and diagnosis reliability are remarkably improved.

The invention relates to a method for guiding the positioning of an imaging device (1) by means of a navigation system, to a corresponding computer-readable storage medium, to a computer program product, and to a control device, to an electronic device for guiding the positioning of an imaging device by means of a navigation system, to a corresponding navigation system, and to a medical system. The method comprises: a light source position acquisition step of acquiring a current position of an X-ray light source (1) in a navigation system; a mark point position acquisition step of acquiring a current position of a mark point (2) arranged on the patient under the navigation system; a projection position acquisition step of acquiring a first projection position of a mark point under the light source (1); and a display step of displaying the model of the field of view of the light source and displaying the model (3) of the mark point according to the first projection position. The position of the image equipment can be guided and adjusted in a visual mode, invalid shooting is reduced, radiation is reduced, and the difficulty of recognizing a target object such as a vertebral body is lowered.

The invention provides a medical CT hospital bed vertical lifting mechanism and a medical CT hospital bed, the medical CT hospital bed vertical lifting mechanism comprises a top plate, a shear fork mechanism, a driving system, a base, a detection device and a limiting device, the driving system comprises a rigid chain, a worm gear reducer, a servo motor and an electromagnetic brake, and the output end of the servo motor is connected with the worm gear reducer; the output end of the worm gear reducer is connected with the rigid chain, the electromagnetic brake is connected with a driving shaft of the rigid chain, the top plate is driven by the rigid chain to move up and down, and the detection device is used for monitoring the height of the top plate. The top plate and the base are each provided with a guide device matched with the shear fork mechanism. The limiting device comprises a mechanical limiting device and an electric limiting device. A dual-mode safety system with worm and gear self-locking and electromagnetic braking is adopted, so that the sickbed can be prevented from falling under extreme working conditions such as power failure, and dual guarantee of dynamic and static safety can be realized; and the safety of equipment and personnel is guaranteed through a triple protection framework of electric limiting and mechanical limiting.

The present disclosure provides systems and methods for automated scan preparation and real-time monitoring / adjustment in medical imaging. The automated scan preparation may include positioning a target subject to be scanned by a medical imaging device, determining a rotation scheme of the medical imaging device, targeting a scan region of the target subject with an imaging isocenter of the medical imaging device, determining target position(s) of component(s) of the medical imaging device, performing a virtual scan, generating a reference subject model representing an internal structure of the target subject, or the like. The real-time monitoring / adjustment operations may include achieving automatic brightness stabilization, monitoring a posture of the target subject, adjusting the position of component(s) of the medical imaging device, estimating a dose distribution, monitoring a treatment of the target subject, performing a motion correction, or the like.

Provided herein is technology relating to medical imaging and radiation therapy and particularly, but not exclusively, to devices, methods, and systems for positioning a patient with respect to a radiation source to image the patient and / or to treat the patient by exposing the patient to a radiation beam produced by the radiation source.

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.

The invention discloses a PET / MR head positioning device which comprises a fixing plate, threaded holes are symmetrically formed in the fixing plate, threaded heads are installed in the threaded holes in a threaded mode, connecting studs are fixedly connected to the upper ends of the threaded heads, extrusion nuts are installed on the connecting studs in a threaded mode, and limiting brackets are symmetrically arranged on the fixing plate. The inner sides of the limiting brackets are cambered surfaces, first rubber pads are attached to the cambered surfaces, connecting plates are fixedly connected to the separated faces of the two limiting brackets, side face extrusion frames are symmetrically arranged on the fixing plate, second rubber pads are attached to the opposite faces of the two side face extrusion frames, and connecting plates are fixedly connected to the separated faces of the two side face extrusion frames. Through cooperation of the limiting bracket, the side extrusion frame and the medical fixing band, the position of the head of a patient can be fixed, the whole device is made of a non-metal material, and the problem that in the nuclear magnetic examination process, a high-intensity magnetic field generated by equipment can interact with the device can be effectively solved.

A method for molecular image acquisition includes beginning acquisition of a molecular image via a molecular imaging system, performing one or more analyses of the molecular image during acquisition of the molecular image to determine whether at least one hot spot is present in the image, and if it is determined that it is statistically significant that there is either at least one hot spot present or there is not at least one hot spot present in the image in any one of the one or more analyses of the molecular image, performing at least one of providing a recommendation that the acquisition be stopped or stopping the acquisition automatically.

An x-ray diffractometer may perform 3D-analysis of collagen tissue of a patient (a human or another animal). The diffractometer includes an oblong housing that may be hinged and that contains an x-ray projector on one side of a recess and a receiver on an opposite side of the recess. The recess accommodates analyzed tissue such as the external ear and skin of a patient. The x-ray projector directs an x-ray micro-beam at the patient's tissue, and the receiver contains a movable two-dimensional x-ray detector that detects a transmitted x-ray micro-beam passed through the analyzed tissue and detects x-rays scattered or diffracted by the analyzed tissue.

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.

The invention provides a ray scanning system. The ray scanning system comprises M distributed ray sources; a detector; the M distributed ray sources are connected to the lifting mechanism, and the lifting mechanism is used for driving the M distributed ray sources to move in the first direction; the imaging bracket is used for supporting a scanning object, and at least one part of the imaging bracket is configured to be capable of moving in the first direction; the detector support is used for supporting the detector, the detector support is connected to the imaging bracket, and the M distributed ray sources and the detector can form a scanning space surrounding at least one part of a scanning object under the driving of the lifting mechanism so as to carry out scanning imaging on the scanning object which can be in at least two different states; and the radiation device is used for transmitting a preset dose of radiation to the target area according to the projection data under the condition that the scanning object is not moved.

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.

An X-ray imaging device for detecting a motion of an object includes an X-ray irradiator configured to generate X-rays and to irradiate the X-rays to the object, an X-ray detector configured to detect the X-rays irradiated by the X-ray irradiator and transmitted through the object, a camera configured to obtain an object image by photographing the object positioned in front of the X-ray detector, a display, one or more processors including processing circuitry, and a memory storing instructions. The instructions, when executed by the one or more processors individually or collectively, cause the X-ray imaging device to detect the motion of the object from the object image by analyzing the object using an artificial intelligence (AI) model, and output, on the display, a notification signal notifying a user of a result of the detecting of the motion of the object.

The invention discloses a CT scanning bed control method and system based on EtherCAT motion control, and the method comprises the steps: selecting a scanning mode according to a scanning demand, and calculating a motion parameter corresponding to the scanning mode; receiving the scanning mode and the motion parameter information, and converting the scanning mode and the motion parameter information into a motion mode instruction of the scanning bed through TCP protocol processing; receiving the motion mode instruction, and converting the motion mode instruction into an EtherCAT protocol format; and receiving the motion mode instruction in the EtherCAT protocol format, and controlling the scanning bed to act through the servo driver based on the motion mode instruction in the EtherCAT protocol format so as to complete a scanning task. EtherCAT full duplex communication is adopted, so that data transmission is more timely and accurate, and high-speed and stable information interaction is realized; a sine line planning model is introduced, the motion trail of the scanning bed can be accurately planned according to different scanning modes, motion errors and jitter are reduced, and the CT scanning precision is improved.

The invention relates to a patient seat (31) for supporting a patient (15) during a magnetic resonance examination, comprising a first section, a second section, a connecting element (34), a radio-frequency unit (51) with at least one antenna element (50), and a drive unit, wherein the first section (31a; 31b; 31c) and the second section (31a; 31b; 31c) form parts of a receiving surface for the patient (15), wherein the connecting element (34) mechanically connects the first section (31a; 31b; 31c) to the second section (31a; 31b; 31c) and is designed to enable a variable relative movement between the first section (31a; 31b; 31c) and the second section (31a; 31b;31c), wherein the at least one antenna element (50) of the radio-frequency unit (51) is designed to receive signals in a power and frequency range of a magnetic resonance examination, and wherein the drive unit (32) is designed to move the patient seat (31) variably along a spatial direction. The invention further relates to a magnetic resonance device (10) with a patient seat according to the invention.

An apparatus has an upright gantry. A tube arm assembly and a compression arm assembly are rotatably coupled to the gantry. The tube arm assembly independently rotates relative to the compression arm assembly. A controller disposed on the gantry is operably connected to at least one of the tube arm assembly and the compression arm assembly.

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.

The utility model discloses a jaw support for oral cavity CBCT (cone beam computed tomography), which comprises a jaw support main body, a long jaw support rubber mat is laid at the top end of the jaw support main body, a short jaw support rubber mat is laid at the bottom end of the jaw support main body, and a mounting groove is arranged on one side of the jaw support main body. According to the jaw support for the oral cavity CBCT, due to the fact that the jaw support long rubber mat and the jaw support short rubber mat are arranged, the jaw support long rubber mat is suitable for being used by a patient with a large face, and the jaw support short rubber mat is suitable for being used by a patient with a small face; the jaw support rubber pads with different lengths are convenient for patients with different jaw lengths, and the application range of patients is wide; the jaw support body can be suitable for multiple application scenes, and the use requirements of different imaging view fields are met; the jaw support body is installed on the jaw support support through the supporting rod, and the jaw support body is convenient to install, convenient and fast to adjust, simple in structure, low in price and low in maintenance cost.

The invention provides radiation imaging equipment, CT imaging equipment, a radiation imaging method and a CT imaging method. A radiation imaging device includes a radiation source, a detector, and at least one grating disposed between an inspection channel defined by the radiation source and the detector between the radiation source and the detector. And the grating only shields one part of the radiation beam, so that one part of the radiation beam passes through the grating and then is received by the detector.