281 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.

In the present invention, a cone beam mammary computed tomography (CBBCT) system includes a rotatable patient support panel such that a patient can access the panel in an upright position, and then the panel can be rotated to image the patient in a generally prostrate position. This design facilitates patient positioning and comfort while ensuring stability and accuracy during imaging.

A method for positioning of a subject for imaging includes generating an anatomical reference image of the subject based on scan data acquired during a scout scan and causing display, on a graphical user interface, of the anatomical reference image with a sensitivity ruler and a scan range. The sensitivity ruler indicates a detection sensitivity along an axial field of view of an emission tomography scanner. The method includes automatically adjusting a position of the subject so that a region of interest to be imaged is centered within the axial field of view to maximize the detection sensitivity during a diagnostic scan with the emission tomography scanner. The method includes acquiring emission tomography scan data of the region of interest during the diagnostic scan and reconstructing a diagnostic image based on the emission tomography scan data. The diagnostic image has higher image quality than the anatomical reference image.

The present invention discloses an intelligent nursing bed for preventing patients from falling in an operating room, including an anti-fall nursing bed, which is mainly composed of an electric drive system, a sensor, a control system and an Internet connection function. The anti-fall nursing bed includes a bed body, the upper surface of the bed body is movably connected to a bed frame, a mattress is fixedly arranged on the upper surface of the bed frame, two pad clamping grooves are provided on the upper surface of the mattress, and the inner part of the pad clamping groove is rotatably arranged with a limit pad; the present invention, through the setting of the anti-fall nursing bed, under the action of an air pump, can not only use the gas rod and the piston push rod to push the limit pad and the telescopic airbag to position the patient. Moreover, when the patient falls, the airflow passing area can be automatically increased, the top support force on the limit pad is enhanced, and the fall can be stopped. At the same time, the introduced gas can be cooled, and the cold airflow can be used to absorb heat and cool the upper body of the patient, assist anesthesia, reduce oxygen consumption, etc., to improve the stability of the operation and reduce the risk.

The invention relates to an intelligent positioning method and system for a CT or PETCT patient. The method comprises the steps that a depth camera arranged above a scanning bed is calibrated to obtain calibration parameters; acquiring patient image information, depth information and a patient positioning voice instruction; a to-be-scanned body part is determined, and scanning starting and ending positions are determined in combination with patient image information, depth information, system parameters and calibration parameters; determining the thickness of the body part to be scanned based on the depth camera, the system parameters and the calibration parameters; adjusting the scanning bed to enable the center of the to-be-scanned body part and the center of the rack to be at the same height; according to the re-acquired image information and depth information of the patient, performing early warning under the condition of determining that a collision risk exists; scanning is started after intelligent positioning is completed. The device has the advantages that contact between a doctor and a patient is reduced, the risk of disease infection is reduced, the radiation dose of the patient is reduced, the imaging effect is better, the risk of collision between the limb part of the patient and the rack is reduced, and the risk of wrong scanning and positioning directions is reduced.

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 of compensating for image quality issue in an image study. The method includes acquiring a current image study, measuring, via a processor, a patient positioning parameter indicating a deviation of a patient position in the current image study to an optimal patient position for an image exam type of the current image study and analyzing, via an analysis module, the current image study and the determined patient positioning parameter to determine a relationship between positioning errors and a grading of a diagnostic finding for the current image study, wherein the grading of the diagnostic finding includes one of a severity of the diagnostic finding or a certainty classification of the diagnostic finding.

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.

Each scissor frame of the patient positioning table has a first and a second scissor arm connected in an X-shaped arrangement to pivot about a common pivot axis via a lifting facility for vertically moving the positioning table. The lifting facility includes a roller arrangement configured to be moved by a traction device. The roller arrangement is arranged between, and guides, arm segments of the scissor frames. The arm segments open in a V-shape, wherein the traction device is fixed in position by at least one end and is led via a roller unit having deflecting rollers, one located upstream of the roller arrangement and one located downstream of the roller arrangement. The position of the roller arrangement between the arm segments is variable with the aid of a drive facility, which interacts with the traction device.

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.

A lift, a head support, and methods for use thereof for use with a surgical frame are provided. The lift and the head support can be used with the surgical frame that is capable of reconfiguration before, during, or after surgery. The surgical frame can include a main beam that can be rotated, raised / lowered, and tilted upwardly / downwardly to afford positioning and repositioning of a patient supported thereon, and the lift and the head support can be used in lifting the patient from a table / gurney and positioning the patient with respect to the main beam.

The invention discloses an X-ray imaging positioning method, a storage medium and a computer program product. The X-ray imaging positioning device comprises a processor and a memory. The method comprises the following steps of: fixing a camera on CT scanning equipment, and adjusting an angle and a focal length to enable a to-be-scanned target and an auxiliary positioning identifier to enter a visual field; the debugging equipment enables the cone beam line rotating shaft direction to be the left-right direction of the target head, thereby adjusting the angle of the camera to be vertical. Turning on a camera and a connected screen to collect images and present positioning, confirming that the target is in the visual field according to voice prompt, converting and displaying a CT visual field preview frame, and adjusting the Z-axis direction to complete positioning. The universal patient positioning method provided by the invention can solve the problem that CBCT (Cone Beam Computed Tomography) is limited in positioning guidance in a closed scene, and meanwhile, the positioning information is digitized, so that the positioning operation can be metrics, and the method is suitable for small-view CBCT imaging.

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 discloses a training method and device for a doctor to remotely control large medical imaging equipment. The method comprises the following steps: receiving takeover request information of a control room end; sending the request information to an expert end, and waiting for taking-over confirmation of the expert end; receiving takeover confirmation information of the expert end, and establishing a connection relationship between the control room end and the expert end; receiving multiple pictures of the control room end and sending the pictures to the expert end; and receiving an operation instruction of the expert end on the multiple pictures, and sending the operation instruction to a control room end. According to the method and the device, different from the previous single video signal, the positioning of the patient, the parameter information of the patient scanned in real time, the picture of the high-pressure injector and the multi-view picture of a subordinate technician can be acquired in real time through multi-picture signal access, so that the guidance information can be acquired in a real-time and visual manner; the remote control software of the CT / MR equipment can be operated by the local keyboard and mouse at the expert end, so that the remote takeover control of the CT / MR equipment is realized.

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.

Systems, devices, and methods for increasing the dose spread in treatment systems delivering non-coplanar treatments to a patient using a couch with limited couch rotation angle ranges, the increasing including combining dose spreads generated by shifting the isocenter location and shifting the couch angles in such a way as to maximize the dose spread in both sides of the patient, and systems, devices and methods for generating non-coplanar treatment plans with different couch-kick ranges from which the non-coplanar treatment plan that takes into account the couch shifts needed for correcting patient positioning is selected for delivery.

A metal artifact reduction (MAR) method and system for reducing metal artifacts from X-ray images. The method is suitable for CT images generated with metallic elements exterior to a patient being scanned, for example, where external probes are applied to a patient, such as ultrasound probes. The method may be embodied in a computer algorithm for use, for example, in radiotherapy treatment planning and patient positioning procedures. In one application, the disclosed technique improves the dose delivery accuracy in ultrasound-guided cardiac radioablation, making this treatment modality a viable option for cardiac arrhythmias.

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.

A patient positioning system (100) for positioning the cervical spine of a patient in preparation for an anterior cervical procedure includes a base section (110) having a superior portion and an inferior portion. An upper body support (130) extends from the superior portion of the base section (110) to support the head and upper torso of the patient in a manner that aids in opening cervical spine disk space. Optionally, a lower body support (150) is positionable at the inferior portion of the base section (110) to support the legs of the patient. A traction strap assembly (170) is attachable to the base section (110) to extend from the base section (110) up around the shoulders and along the anterior side of the patient to a lower terminal end. The traction strap assembly (170) is configured to move the shoulders inferiorly when the terminal end is pulled inferiorly.