235 results about "Patient positioning" patented technology

A patient support system may include a pelvic bolster assembly and a thoracic bolster assembly. Each of the assemblies may be attached to a conventional surgical table frame by the surgical table frame's longitudinal rails. A plurality of adjustment mechanisms and components are provided to allow for easy and safe manipulation of a patient before and during surgery.

A system for reducing the physiologic strain on a surgeon and for reducing turn around time between patient surgical procedures, wherein said surgical procedures are performed successively on patients who are each disposed upon a surgical bed, by providing the ability to repeatably locate and orient surgical assistive features and patient body portions such that surgeon is presented with similar location of surgical assistive features and patient body portions from one surgical procedure to the next. Patient head location may adjusted by inflatable bladders. Patient head rotation, surgeon stool height, operating bed height, wrist rest height and other surgical assistive features are quickly adjustable so as to be repeatable from one surgical procedure to the next. Surgeon fatigue and turn around time between surgical procedures are reduced. The adjustments may be computer-controlled for repeatability and accuracy.

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.

A system for detecting an object or accessory placed on or attached to a patient positioning device or moved on or removed therefrom, the system comprising: a surgical patient positioning device which can be used as part of an operating table; a load sensor array with at least one load sensor that outputs sensor values; a load determination unit that determines a load and / or a center of gravity of the load based on the sensor values, the load comprising a load acting on the load sensor array or a load acting on the patient positioning device; and a detection unit that receives the load and / or the center of gravity determined by the load determination unit and which, when an object or accessory is placed on or attached to the patient positioning device or moved on or removed therefrom and the load and / or the center of gravity determined by the load determination unit change as a result, determines the weight and / or the center of gravity of the object or accessory therefrom.

The utility model provides a two-dimensional rotation driving mechanism of a treatment couch, which is arranged under the treatment couch, fixedly connected with the treatment couch and used for driving the treatment couch to rotate transversely and longitudinally. The two-dimensional rotation driving mechanism comprises a top frame, a middle frame and a bottom frame which are stacked up and down, a transverse driving assembly used for driving the top frame and the middle frame to synchronously rotate in the transverse direction, and a longitudinal driving assembly used for driving the top frame to rotate in the longitudinal direction. By adopting the two-dimensional rotation driving mechanism and the driving method of the treatment bed, the positioning error of a patient can be reduced, and the positioning flexibility can be improved.

A robotic surgical system includes a surgical instrument, a robotic arm, and a coupler assembly. The surgical instrument defines a longitudinal axis therethrough and supports an end effector on a free distal end portion of the surgical instrument. The robotic arm includes segments that are movably coupled together by joints. A first joint has at least two degrees of freedom for positioning the surgical instrument relative to a patient. The coupler assembly removably couples the surgical instrument to the robotic arm. The coupler assembly is positioned to enable the surgical instrument to rotate about the longitudinal axis and relative to the robotic arm.

A computer-implemented method for operating a magnetic resonance device (47), comprising a main magnet unit (26) with a particularly cylindrical patient receptacle (25), wherein a field of view (29) of the magnetic resonance device (47) is located within the patient receptacle (25), which field of view is defined by the homogeneity of a main magnetic field generated by a main magnet (48) of the main magnet unit (26), and a patient bed (2) for positioning the patient (19) in the patient receptacle (25) is movable along a longitudinal direction (3) of the patient bed (2), wherein at least one local coil arrangement (1) with at least one coil element (4) for measuring magnetic resonance data is freely positionable on the patient bed (2) and / or a patient (19) to be measured, at least with respect to the longitudinal direction (3), the method comprising the following steps: - with the patient bed (2) located at least partially outside the patient support (25) and after positioning the local coil arrangement (1), determining position information that describes the position of the local coil arrangement (1) on the patient bed (2) at least in the longitudinal direction (3) with a measuring means (7), wherein a magnetic field sensor, in particular a Hall sensor (8), installed in the local coil arrangement (1) is used as the measuring means (7), wherein the complete three-dimensional position and the complete three-dimensional orientation of the local coil arrangement (1) are determined as position information by the measuring means (7), and wherein a six-dimensional pose of the local coil arrangement (1) is used to select coil elements (4) to be used in the measurement,wherein coil elements (4) lying in the field of view (29) and / or not overlapping in the physical gradient axes and / or logical gradient axes of the magnetic resonance device (47) are selected for measurement, - determining recording information that describes a positioning of the local coil arrangement (1) relative to the field of view (29), and - automatic positioning of the patient couch (2) in the longitudinal direction (3) at an approach position determined from the position information and the recording information.

The invention belongs to the technical field of medical equipment, and discloses a multi-degree-of-freedom adjustable patient positioning mechanism, a use method and a CT scanning system. The mechanism comprises a supporting body, a rotating body and a multi-stage driving mechanism, the supporting body comprises an upper bearing assembly and a lower bearing assembly, and the upper bearing assembly is of a multi-stage telescopic structure so as to adapt to dynamic switching of lying, standing and inclined positions. A lifting assembly and a sliding driving assembly are arranged between the supporting body and the rotating body, and height adjustment is achieved through a lifting rod and a sliding block connecting rod mechanism. Meanwhile, a transverse sliding mechanism and a longitudinal sliding mechanism are integrated for fine adjustment. The rotating body is provided with a rotating disc lifting mechanism and a centering adjusting mechanism, concentric calibration is achieved through meshing of an arc-shaped centering assembly and a gear rack, and it is ensured that a target spot of a patient and a radiotherapy isocenter point dynamically coincide. Through multi-dimensional cooperative adjustment, the problems that traditional equipment is single in body position adaptation and low in positioning precision are solved, scanning and radiotherapy scenes are adapted, and the diagnosis and treatment efficiency and the comfort level of a patient are improved.

The invention discloses a radiotherapy system, an application method and a CT scanning device control method, and belongs to the technical field of medical equipment. The terminal realizes integration of positioning and dynamic treatment through a cooperative control system of the CT scanning device, the patient positioning mechanism and the radiotherapy device. A scanning ring assembly of the CT scanning device supports sitting posture imaging, prone posture imaging and standing posture imaging through a horizontal / vertical displacement and around-axis rotating mechanism. The patient positioning mechanism is integrated with a multi-level telescopic supporting body and a centering adjusting system, pitching, rolling and rotating three-dimensional posture adjustment can be achieved, and the patient positioning mechanism is suitable for lying, standing and inclined body positions. The device breaks through the body position limitation of a traditional radiotherapy device, is suitable for an ion radiotherapy system, can replace a high-cost rotating rack beam system through the combination of the fixed beam treatment head and the multi-body-position patient positioning technology, achieves multi-angle irradiation and arc-shaped treatment while guaranteeing the treatment precision, reduces the equipment complexity and manufacturing cost, and is suitable for popularization and application. And the clinical accessibility of ion radiotherapy is improved.

The invention discloses a radiotherapy body position fixing temperature control device based on artificial intelligence, and relates to the field of medical equipment.The device comprises a main body supporting layer, a gas channel is arranged in the main body supporting layer, and the gas inlet end and the gas outlet end of the gas channel are connected with a gas flow input module; the heat preservation fixing layer is detachably connected with the main body supporting layer, and a thermoplastic film is arranged between the heat preservation fixing layer and the main body supporting layer to form a binding space for fixing a patient; the adjusting module comprises a detection element and a control element, the detection element is used for detecting current state parameters and transmitting the current state parameters to the control element, the control element is connected with the airflow input module, and the control element intelligently adjusts airflow output by the airflow input module based on the state parameters. Autonomous control of the temperature is achieved through the artificial intelligence technology, and the stability of body position fixing of a patient in the treatment process is ensured.

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 provides a proton helium ion treatment device. The proton helium ion treatment device comprises an injector, an accelerator, a rotating rack, a treatment head, a beam distribution system and a six-dimensional treatment bed which are sequentially arranged in the conveying direction of a beam. The injector comprises a hydrogen ion source and a helium ion source which can be switched; the treatment head and beam distribution system comprises an integrated scanning magnet, a position ionization chamber, a dose ionization chamber, a ridge-shaped filter and a range shifter which are installed on a treatment head support and sequentially arranged in the beam conveying direction, and the integrated scanning magnet is used for beam deflection in the transverse X direction and the transverse Y direction at the same time. A cone beam CT system is further fixedly installed on the rotating rack, and precise positioning and positioning correction of a patient are achieved in combination with the six-dimensional mechanical arm treatment bed. The proton helium ion treatment device can meet the requirement for high precision of patient positioning in ion treatment, ion treatment with optional proton helium ions can be achieved, and the treatment system is more compact through the design of the integrated scanning magnet.

A sheet assembly for positioned a patient includes a base sheet a first handle interface, and a second handle interface. The base sheet defines a first axis extending in a direction parallel to a width of the base sheet and a second axis extending in a direction parallel to a length of the base sheet. The base sheet has a first end on a first side of the first axis and a second end on a second side of the first axis. The first handle interface is positioned on the first end of the base sheet. The first handle interface defines a first opening configured to receive a hand of an operator of the sheet assembly. The second handle interface is positioned on the second end of the base sheet. The second handle interface defines a second opening configured to receive the hand.

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.

The utility model relates to the technical field of medical image auxiliary diagnosis equipment, and discloses medical image auxiliary diagnosis equipment which comprises image examination equipment, a base is arranged on one side of the image examination equipment, an examination table is arranged on the top of the base, a first limiting shaft is fixedly connected in the examination table, and a second limiting shaft is fixedly connected in the first limiting shaft. A first limiting groove is formed in the first limiting shaft, wedge-shaped clamping blocks which are symmetrically arranged are slidably connected to the outer wall of the first limiting shaft, second limiting grooves are formed in the wedge-shaped clamping blocks, and a supporting rod is fixedly connected to the top of the first limiting shaft. A first connecting rod drives a V-shaped connecting rod to press downwards, a first clamping plate drives a second clamping plate to bend towards the middle to position the head of a patient, meanwhile, the second clamping plate is pushed to be attached to the head of the patient through tension of a second spring, the effects of automatic positioning and adaptation to different patients are achieved, and the problem that the head of the patient is inconvenient to position is solved; and the convenience of the medical image auxiliary diagnosis equipment is improved.

The invention provides a target focus identification method, system and device based on a medical image, a computer storage medium and a computer program product, and the method comprises the steps: generating an MPR feature vector and a DICOM metadata feature vector which are aligned in dimension based on medical image coding, the MPR feature vector comprises the form and spatial position information of an anatomical structure, and the DICOM metadata feature vector comprises the form and spatial position information of the anatomical structure; the DICOM metadata feature vector comprises scanning parameters, equipment information and patient body position information; the MPR feature vector and the DICOM metadata feature vector are fused through a bidirectional cross attention mechanism, and a comprehensive feature vector containing lesion semantics and space details is generated; and processing the comprehensive feature vector by using a neural network model based on a Transform architecture, and outputting an identification result of the target focus. By adopting the scheme provided by the invention, the complementation of semantic information such as anatomical morphological characteristics and scanning parameters is realized, and the recognition precision of the target focus is improved.

A patient positioning system includes an inflatable patient support device having a width, and a positioning apparatus. The positioning apparatus including a wedge-shaped body, the wedge-shaped body configured to be placed under the inflatable patient support device to support a patient in a desired position, and a tail comprising an elongated piece of material extending from a front end of the wedge-shaped body, wherein a length of the tail is greater than the width of the inflatable patient support device.

A patient-positioning system, computer-control and data-integration system, and surgical componentry are provided. The patient-positioning system can be used to manipulate the patient prior to, during, and after surgery to globally or regionally articulate the patient's body to facilitate stabilization of the patient's spine. And the computer-control and data-integration system can be used to facilitate operation of the patient-positioning system and enabling technologies use to perform surgery. Furthermore, the surgical componentry can be used to locally articulate the patient's body and / or the stabilize patient's spine. Surgical methods of using the patient-positioning system, the computer-control and data-integration system, and the surgical componentry for improving patient health outcomes are also provided.

Disclosed herein is a patient positioning apparatus for a medical device. The apparatus comprises a patient support apparatus, a support structure configured to extend between the patient support apparatus and a floor of a treatment room to support the patient support apparatus above the floor of the treatment room. The patient support apparatus is rotationally coupled to the support structure. The patient positioning apparatus comprises a rotation mechanism comprising a drive member and is configured to impart a force, via the drive member, to an underside of the patient support apparatus to thereby rotate the patient support apparatus with respect to the support structure. The rotation mechanism is attached to, and supported by, the support structure.

The present application relates to the technical field of three-dimensional point cloud registration, and discloses a three-dimensional point cloud registration method and apparatus, a computer device, and a storage medium. The method comprises: acquiring a first source point cloud and a target point cloud; obtaining sub-point clouds on the basis of the center point of a bounding box of the first source point cloud, and selecting a second source point cloud from among the sub-point clouds; determining a third source point cloud on the basis of the distances from vertexes of the second source point cloud to a fitting plane and the second source point cloud; and determining six degrees-of-freedom values on the basis of the third source point cloud and the target point cloud. The deviation values of the patient pose in six degrees of freedom can be calculated on the basis of the first source point cloud and the target point cloud. The automated registration process reduces manual operations by doctors, reduces the workload, reduces the risk of human errors, and improves the accuracy and consistency of positioning. By means of efficient registration and positioning adjustment, the patient positioning time is shortened, the uncomfortable experience caused by maintaining fixed postures for long times is reduced, and the comfort in treatment processes is improved.

A cone beam breast computer tomographic scanning system includes a vertical plane gantry and a patient support subsystem, where the patient support subsystem has a patient support saddle for patient positioning during imaging.

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

The utility model relates to the technical field of medical instruments, and discloses a body position keeping device for patient CT (Computed Tomography) detection, which comprises a bed board, a first cavity is formed in the bed board, the inner side wall of the first cavity is connected with a connecting plate in a sliding manner, and the two ends of the connecting plate are fixedly connected with sliding blocks; a mounting block is fixedly connected to one side of the bed board, a sliding groove is formed in the top of the mounting block, the sliding block is slidably connected to the interior of the sliding groove, and a motor is fixedly connected to the inner bottom wall of the first cavity. According to the body position keeping device for CT detection of the patient, through the arrangement of connecting plates, a motor, a threaded rod, a movable block and a connecting rod, when the body position keeping device is used, firstly, the motor is started to drive the threaded rod to rotate, so that the movable block is driven to move, the angle of the connecting rod is changed, and the two connecting plates are driven to get close; therefore, the two baffles are driven by the sliding blocks to clamp the patient, and the stability of the patient at the side position is guaranteed.

Methods and systems for positioning and positioning a patient for irradiation therapy without fiducial markers. Platform settings including parameters of the patient support platform are obtained. Platform position data is obtained in which a patient is placed on a platform for imaging without fiducial markers, the platform position data including 3D coordinates of the platform relative to an imager coordinate system calibrated to a predefined fixed set of initialized coordinates in a treatment room. Target tissue is imaged with the patient on the platform. A treatment plan is generated based on the target tissue imaging. The treatment plan comprises a treatment radiation field of a treatment angle, and the treatment angle comprises a platform positioning parameter. When treatment is initiated, the patient is placed on the platform without fiducial markers according to the platform settings. In accordance with the treatment plan, the platform position data, and a coordinate system transformation of the imager coordinate system to the treatment room coordinate system, the platform is adjusted to position the patient at the placement position in the treatment room such that the target tissue is positioned at the isocenter of the treatment room.

Presented is an invention in which visible light is substituted for damaging radiation, enabling students to learn about radiology through active learning (e.g. by manipulation of a study's subject and seeing, in real time, the resulting changes in the generated image) but without exposure to damaging radiation. The invention also allows student and senior practitioners to practice radiological techniques (e.g. patient positioning, fluoroscopy) without radiation exposure. The invention also allows demonstration of the relationship between a three-dimensional object and its two-dimensional depictions, such as between a machine part and that part's views on a technical drawing.

The patient positioning and support apparatus is an innovative medical device designed to aid healthcare workers in safely repositioning patients, thereby reducing the risk of work-related injuries and enhancing patient care. The support apparatus has four fasteners, two of which may be removably affixed to a hospital bed while the caretaker lifts on the other side of the apparatus to help adjust a patient to prevent bed sores.

A system and method for patient positioning during radiotherapy. The system can include a patient support structure configured to receive a patient during a radiotherapy process using a radiotherapy source to deliver a therapy to the patient when positioned on the patient support structure, a patient positioning system configured to adjust a position of the patient support structure relative to the radiotherapy source, a flexible actuator configured to secure the patient to the patient support and adjust a position of the patient relative to the patient support, and an imaging system configured to acquire imaging data of the patient, the patient support, and the flexible actuator during the radiotherapy process.

Provided herein are techniques related to medical imaging and radiotherapy, methods and systems, in particular (but not limited to) methods and systems for monitoring safe movement of a patient positioning system, for validating settings of a patient positioning system, for validating settings of a patient on a patient positioning system, and for monitoring patient position during medical imaging and / or radiotherapy.

A patient table (46) for a medical imaging system includes a base (52). The patient table (46) also includes a carriage (50) configured to support a subject to be imaged and to move bidirectionally relative to the base (52). The patient table (46) also includes a stationary structure (78) coupled to both the base (52) and the carriage (50). The bracket (50) is configured to move relative to the stationary structure (78) without a portion of the subject being sandwiched between the bracket (50) and the stationary structure (78).

A lateral patient positioning system may include a pelvic bolster assembly and a thoracic bolster assembly. Each of the assemblies may be attached to a conventional surgical table frame by the surgical table frame’s longitudinal rails. A plurality of adjustment mechanisms and components are provided to allow for easy and safe manipulation of a patient before and during surgery, including sagittal and / or coronal adjustment of a patient in a lateral position.