53 results about "A vertebralis" patented technology

The invention discloses a spine three-dimensional evaluation method and system based on RGB images and anatomical constraints, and belongs to the field of medical image analysis. The method comprises the following steps: carrying out preprocessing and anatomical symmetry correction on an upright position back RGB image shot by the intelligent mobile equipment for a single time; extracting regions of interest of shoulder blade and iliac crest mark points by using a lightweight segmentation network; generating an initial depth map through a depth estimation model fusing a vertebra attention mechanism and a multi-constraint loss function; carrying out physiological scale calibration on the initial depth map based on height and weight parameters; a cascade GAN is adopted to eliminate clothes interference and reconstruct a back three-dimensional surface; based on biomechanical characteristics, NURBS parameters are adjusted in a self-adaptive mode to fit a spine three-dimensional curve; and outputting a coronal plane Cobb angle, a trunk rotation angle and a sagittal plane curvature parameter. Through monocular depth estimation and dynamic evaluation of anatomical constraint, the problems of radiation risk, subjective error and clothes interference of a traditional method are solved.

The invention discloses an angle-adjustable or deployable multi-stage anchoring insertion sheet system, and relates to the technical field of medical instruments, the angle-adjustable or deployable multi-stage anchoring insertion sheet system comprises a hollow box body, and the upper surface and the lower surface of the box body are each provided with at least one insertion sheet outlet; the at least one group of inserting piece driving mechanism is arranged in the box body and is used for generating linear driving force; the at least two insertion sheet assemblies are accommodated in the box body in an initial state, and each insertion sheet assembly is in driving connection with the insertion sheet driving mechanism; according to the intervertebral fusion cage, the secondary anchoring part capable of moving relative to the basic anchoring part is arranged, so that the anchoring angle or the opening degree of the fusion cage can be adjusted according to a vertebral form operation of a patient after the fusion cage is implanted, the adaptability to different anatomic forms is improved, and a more flexible anchoring scheme is provided for an intervertebral fusion operation.

The invention relates to a spinal fracture segmentation and training method and system based on neural network semi-supervised learning and related equipment. The method comprises the following steps: acquiring a spine CT image of a target patient, and performing vertebra segmentation on the spine CT image based on a 3D U-Net model to obtain a vertebra CT image; classifying the vertebra CT image by using a 2.5 D vertebra fracture classification model to obtain a vertebra fracture image and a fracture-free vertebra image; constructing an artificial vertebra fracture area segmentation mask based on the fracture CT image of the specific part and the fracture-free vertebra image, and generating a vertebra fracture area segmentation mask according to the vertebra fracture image; and performing semi-supervised learning training on the 3D U-Net model by taking the artificial vertebral fracture region segmentation mask and the vertebral fracture region segmentation mask as training data to obtain a vertebral fracture segmentation model. According to the method, training of the spinal fracture segmentation model is realized under the condition of limited real patient spinal fracture image data, the accuracy and efficiency of fracture classification are improved, and the spinal fracture segmentation precision is improved.

Disclosed herein are an inserter instrument, a system including the inserter, a spinal implant, and fasteners for affixing the implant to the spine of a subject, and related methods for performing spinal procedures including insertion of spinal plates. The inserter includes a housing, an inner sleeve slidably disposed within the housing, and an awl slidably disposed within the housing and inner sleeve. The housing includes a rotatable portion configured to actuate translation of the inner sleeve proximally or distally relative to the housing along a central axis to releasably engage the spinal implant using a distal engagement portion of the inner sleeve. The awl is configured to form a pilot hole in a vertebra at the surgical site, which is configured to receive a fastener to fix the spinal plate to the spine.

This invention provides a method, device, medium, and program product for spinal segmentation, relating to the field of intelligent healthcare. The method includes: acquiring a three-dimensional CT image of the spine; segmenting the three-dimensional CT image to obtain an N-value mask image of the entire vertebral column; cropping individual vertebrae from the N-value mask image of the entire vertebral column to obtain N-value mask images where adjacent individual vertebrae are not connected; locating the centroid of each individual vertebra in the N-value mask images where adjacent individual vertebrae are not connected to obtain an image with the located centroid; and segmenting an image of a single vertebra corresponding to the single centroid from the image with the located centroid as the center. This application reduces the difficulty of segmenting the entire vertebral column and improves the segmentation accuracy by first coarsely locating the spinal region and then finely locating different vertebral regions for segmentation.

The invention relates to the technical field of medical care information, in particular to an orthopaedic spine post-operation imaging auxiliary evaluation system, which comprises a region acquisition module, a region correction module, a callus growth coefficient acquisition module and a network training module, the method comprises the following steps: acquiring an initial vertebra fusion region in a spinal image of a historical patient after a spinal fusion operation, and correcting the initial vertebra fusion region to obtain a real vertebra fusion region; determining a plurality of first intervertebral gradient regions and second intervertebral gradient regions in the real vertebra fusion region, and determining a callus growth coefficient of the real vertebra fusion region according to position distribution and pixel gray levels of the first intervertebral gradient regions and the second intervertebral gradient regions; and forming a training set by utilizing the callus growth coefficients of all historical patients and the postoperative risk grades calibrated in the initial vertebra fusion region, and training the postoperative risk classification network. According to the invention, the classification accuracy of the postoperative risk classification network is effectively improved.

The application discloses a scoliosis detection method, computer equipment and a storage medium, wherein the method comprises the following steps: training a preset recognition network model by using a data training set to obtain a pre-training recognition network model, wherein the training adopts a loss function provided with a regularization penalty term based on an anatomical prior constraint; recognizing a spine image by using the pre-training recognition network model to obtain corner points of each vertebra in the spine; and calculating a Cobb angle of the spine according to the corner points. The technical scheme provided by the application can improve the accuracy of the obtained Cobb angle.

The invention belongs to the technical field of bionic robots, and provides a collaborative damping system applied to vertebrae of a simulated humanoid robot and an implementation method of the collaborative damping system. The multi-part cooperative damping mechanism comprises a cervical vertebra damping assembly, a lumbar vertebra damping assembly and a caudal vertebra damping assembly, the cervical vertebra damping assembly, the lumbar vertebra damping assembly and the caudal vertebra damping assembly have different damping functions, and multi-stage damping of the spine of the humanoid robot is achieved through the synergistic effect. The damping assemblies with different materials, structures and functions are designed for the three key sections of the cervical vertebra, the lumbar vertebra and the caudal vertebra, and the damping assemblies work cooperatively, so that multi-stage and efficient absorption from high-frequency fine vibration to large-amplitude vertical impact is achieved; meanwhile, through the signal linkage module and the damping parameter adjusting module, the system can automatically adjust the damping coefficient and mode of each damping assembly according to the vibration type sensed in real time and the motion state of the robot.

The present application relates to a kind of device for making spinal cord contusion model and damage test method, belong to spinal cord injury test field, solve the technical problems of the prior art instrument structure complex, bulky, high cost, and the consistency and repeatability of instrument making spinal cord contusion model is not high, simultaneously, the device for making spinal cord contusion model of the present application can move, also solve the problem that due to instrument fixation, need to transport rat in spinal cord injury experiment.The device for making spinal cord contusion model of the present application includes fixture installation platform, striker installation platform, actuating transmission assembly, striker and vertebral clamp;Form the device for making spinal cord contusion model of movable bottom plateless.

A system and method for planning and simulating a surgical operation to create a patient-specific spinal implant are disclosed. The system comprises a remote server configured to receive patient-specific medical image data and generate a 3D mesh model of the patient's spine using algorithms that separate vertebral bodies, remove artifacts, and smooth surfaces. A doctor's computer receives the 3D mesh model and allows real-time manipulation of intervertebral spaces to achieve a desired spinal curvature. The server generates a spinal implant design with surface-mapped endplates matching the patient's vertebral anatomy, which is transmitted to a 3D printer for manufacturing. The method includes steps of receiving image data, generating and updating the 3D mesh model based on doctor input, generating the final implant design, and transmitting it for production. The invention enables the creation of patient-specific spinal implants with improved conformity and surgical outcomes.

The application discloses a rapid registration method and device for robot-assisted spine surgery, and steps of the rapid registration method include: performing a Boolean operation on a spinous process part of a three-dimensional model of a vertebra of a surgical subject and a three-dimensional model of a registration device, and deriving a registration matrix; deriving the three-dimensional model of the registration device after the Boolean operation, and performing rapid prototyping processing; and in a surgical process, fixing the registration device in place on the spinous process part of the surgical subject, and completing registration. The application has the advantages of simple interactive operation, short learning period, portable and easy-to-disinfect registration device, fast registration speed, avoidance of X-ray radiation exposure, and improvement of a surgical environment.

Embodiments include example systems, methods, and computer-accessible mediums for analysis and visualization of data associated with anatomical images. In some embodiments the anatomical images can be spinal images used for assessment of stenosis and disc degeneration. In some embodiments, systems, devices, and methods described herein include selecting a region of interest (ROI) in a three-dimensional (3D) volume of image data of a plurality of vertebra of a spine, identifying one or more anatomical parts in the ROI, determining one or more parameters of the one or more anatomical parts, and assessing a severity of a spinal deformity based on the one or more parameters.

A visualization scheme is generated based on automated segmentation to display anatomies of a patient. Data representative of a three-dimensional diagnostic image is received. The ribs and spine are segmented, rib centerlines and vertebra center landmarks are detected and labeled. Three-dimensional position coordinates corresponding to the received data are mapped to a defined two-dimensional manifold plane followed by an interpolation technique to complete the remaining three-dimensional position coordinates and deform the two-dimensional manifold plane. Image intensities are sampled from three-dimensional diagnostic image space, at each coordinate of the deformed two-dimensional manifold plane. A reformatted image is generated as a manifold slice from the sampled image intensities displaying a continuous and straightened visualization of a rib cage. A three-dimensional visualization of the rib cage is generated from a plurality of manifold slices.

Disclosed herein are an inserter instrument, a system including the inserter, a spinal implant, and fasteners for affixing the implant to the spine of a subject, and related methods for performing spinal procedures including insertion of spinal plates. The inserter includes a housing, an inner sleeve slidably disposed within the housing, and an awl slidably disposed within the housing and inner sleeve. The housing includes a rotatable portion configured to actuate translation of the inner sleeve proximally or distally relative to the housing along a central axis to releasably engage the spinal implant using a distal engagement portion of the inner sleeve. The awl is configured to form a pilot hole in a vertebra at the surgical site, which is configured to receive a fastener to fix the spinal plate to the spine.

The present invention provides a pedicle screw placement guide plate and a preparation method thereof. The prepared screw placement guide plate can safely and accurately place pedicle screws, reduce surgical risks and trauma, and improve the quality of life of patients. The pedicle screw placement guide plate comprises a transverse column, a lateral column, and a needle channel column. Needle channels are arranged at both ends of the transverse column, each needle channel is vertically extended downward and provided with a lateral column, each needle channel is obliquely extended downward and provided with a needle channel column, the lateral column and the needle channel column share an input end, and the inner cavity of the needle channel column is connected to the needle channel. The pedicle screw placement guide plate comprises the following steps: obtaining a CT image of a target vertebra of a patient, importing the image into 3D modeling software to establish a 3D model of the target vertebra; establishing a pedicle screw placement guide plate model, planning the optimal screw insertion point and direction of a pre-placed screw on the 3D model of the target vertebra using a cylinder with a diameter of 4 mm in the 3D modeling software, then establishing a needle channel column to surround the cylinder, and sequentially establishing a transverse column, a lateral column, and a diagonal support column to obtain an initial model.

A model mimicking an anatomical formation, such as a spine, can be used for teaching and practice to students and practitioners. The model includes a number of segments in the form of spinal vertebrae, which are connected to one to mimic the movement of human vertebra. The rotational movement between the segments can be adjusted frictionally to mimic human spines of varying conditions. A cavitation member is included between at least two adjacent segments to mimic a manipulation of the spinal members and to provide feedback to the user. The model can improve manual mobilization and manipulation skills within the academic or clinical setting.

A physical therapy or palpation evaluation or diagnosis device, system, and method for evaluating the condition of a patient's body, for example, the spine and / or soft tissue. The physical therapist currently uses palpation to subjectively evaluate the condition of the spine, soft tissue and / or muscle of the patient. The physical therapist assigns a subjective score (from 0-10) based on the stiffness and / or mobility of the vertebrae. If a different physical therapist examines the same patient later in the treatment process, the subjective evaluation from the prior therapist would be difficult to interpret.

The invention relates to a scoliosis simulation teaching aid and an operation method. The simulation teaching aid comprises a spine model, a gooseneck rod and an outer cover box. The spine model comprises a vertebra model; the gooseneck rod penetrates through each vertebra model according to a spine physiological curve and is fixedly connected with the vertebra models; the outer cover box comprises a cervical vertebra box body, a thoracic vertebra box body, a lumbar vertebra box body and a sacrum box body; each box body comprises a transparent corrugated pipe, a top shell and a bottom shell; the spine model passes through the middle of the top shell and the middle of the bottom shell; the part, penetrating through the top shell and the bottom shell, of the gooseneck rod is fixedly connected with the top shell and the bottom shell respectively; the lower end of the transparent corrugated pipe is connected with the bottom shell edge, and the upper end is detachably connected with the top shell edge corresponding to the bottom shell edge. The vertebra models can be accurately controlled, and normal displacement deflection is carried out; the transparent corrugated pipe can reflect the trend of in-vitro abnormity, and is beneficial for medical students to establish clearer cognition on scoliosis. The operation method is simple and convenient to operate, and can simulate more types of scoliosis conditions.

Systems and methods for reducing the risk of PJK, PJF, and other conditions are disclosed herein. In some embodiments, a longitudinal extension can be added to a primary fixation construct to extend the construct to one or more additional vertebral levels. The extension can be attached to a first attachment point, such as a bone anchor implanted in a vertebra that is superior to the primary construct. The extension can also be attached to a second attachment point, such as a component of the primary construct or an anatomical structure disposed inferior to the first attachment point. The extension can be more flexible than the primary construct and / or can limit motion to a lesser degree than the primary construct, thereby providing a more-gradual transition from the instrumented vertebrae to the natural patient anatomy adjacent thereto. The extension can be placed with little or no soft tissue disruption.

The invention provides a spine image segmentation method and device based on vertebra positioning. The method comprises the following steps: acquiring a spine medical image; inputting the spine medical image into the contour correction structure to obtain a correction mask; and inputting the correction mask and the spine medical image into the segmentation structure to obtain an image segmentation result. According to the method and the device, the problem that the vertebral bodies are easy to adhere or the sequence numbers of the vertebral bodies are not accurate in the segmentation result is avoided through the processing mode of generating the correction mask to correct the segmentation.

Embodiments of the present disclosure include in-situ formed or in-situ-manufactured expandable cages, expandable implants, and additive-manufacturing systems for printing spinal implants in-situ, and methods for printing the same. Some embodiments may include a robotic subsystem including scanning and imaging equipment configured to scan a patient's anatomy. Some embodiments may further include an armature having a dispensing component configured to dispense at least one printing material and a controller. The controller may be configured to control the scanning and imaging equipment to determine a target alignment of a patient's spine, and develop in-situ-forming instructions including an in-situ relocation plan. In some embodiments, the in-situ-forming instructions may be based on the target alignment of the patient's spine and an interbody access space which may only partially provide access to a disc space between adjacent vertebra of the patients spine. The controller may execute the in-situ-forming instructions to form an interbody cage.

The present invention relates to a method for automatic assessment of the Cobb angle for scoliosis based on deep learning. Through a network model consisting of an HRNet-18 encoding unit and a decoding unit with a resolution equivalent fusion module, the coordinates of the vertebral center points and the vertebral inclination vectors in X-ray images are predicted. This eliminates the indirect errors caused by point-based Cobb angle prediction in existing work and enables high-precision automatic assessment of the Cobb angle. At the same time, the vertebral center point coordinates and vertebral inclination vectors are combined and visualized using OpenCV to achieve visual interpretability.

A bending section for an articulatable instrument is provided. The bending section may have composite structure comprising one or more wire forms having a substantially alternating square wave pattern; two or more vertebra segments engaged with the one or more wire forms at one or more locations. The square wave pattern may have wave peaks or wave troughs and a vertebra segment is engaged with a wire form at a transitional location between two wave peaks.

Disclosed herein are various implementations directed to systems, methods, and devices used to improve orthopedic surgeries. In some of the disclosed implementations, the systems, methods, and devices improve accuracy of a 3D model of the anatomy of a patient prior placing pedicle screw and similar devices when securing medical equipment to bone, such as when fusing vertebrae together or similar procedures.

A computerized method aiding a surgeon end-user, including providing a light projector configured to project at least one pattern onto spine, providing 3D video cameras operative, when the spine is in their field of view, to capture 3D video imagery of the spine and pattern; providing a tool tracker comprising an INS operative to repeatedly compute an output tool-status indication of a current orientation and position of tool used during spine surgery, and a wireless communication module providing data communication between subsystem and a processor including sending the output tool-status indication to the processor, the processor including logic configured to receive the output tool-status indication generated by the tool tracker and the 3D video imagery, and to track vertebra, using the pattern, which is known to the processor, and accordingly to provide feedback to the surgeon.

The invention belongs to the technical field of medical instruments, and particularly relates to a scoliosis magnetic reset device and a use method thereof. The scoliosis magnetic reduction device is accurately fixed to vertebral arch plates on the two sides of a vertebral spinous process through the multiple pairs of hollow screws, and the problem of local compression caused by a hard frame of a traditional mechanical brace is effectively solved. The adjustable first electromagnetic rod, the matching connecting block, the T-shaped electromagnetic rod and the electromagnetic top frame form an exquisite structure, and the electromagnetic beam with the distance adjusted through electromagnetic force can achieve refined and gentle control over the correction strength according to the actual condition of a patient, the defect that the strength of a traditional traction instrument is difficult to control accurately is overcome, and the use safety of the patient is improved. The problem that spinal tissues are damaged by excessive traction or the correction effect is influenced by insufficient strength is avoided. By means of the innovative design, the correction process is more scientific and safer, the correction effect is ensured, meanwhile, the safety and effectiveness of scoliosis correction are greatly improved, and a more comfortable and efficient new treatment choice is brought to a patient.

The present invention relates to the field of medical care information technology, and more specifically to an imaging-assisted assessment system for orthopedic spinal surgery. The system comprises a region acquisition module, a region correction module, a callus growth coefficient acquisition module, and a network training module. The system obtains the initial vertebral fusion region from spinal images of historical patients after spinal fusion surgery and corrects the initial vertebral fusion region to obtain the true vertebral fusion region; determines a number of first intervertebral gradient regions and second intervertebral gradient regions in the true vertebral fusion region, and determines the callus growth coefficient of the true vertebral fusion region based on the position distribution and pixel grayscale of the first intervertebral gradient region and the second intervertebral gradient region; constructs a training set using the callus growth coefficients of all historical patients and the postoperative risk classification calibrated with the initial vertebral fusion region, and trains a postoperative risk classification network. The present invention effectively improves the classification accuracy of the postoperative risk classification network.

Provided herein are methods of using isolated vertebral skeletal stem cells (vSSCs) to promote osteogenesis. The compositions and methods disclosed herein can be used to improve outcomes of orthopedic procedures, e.g., during spine fusion procedures to maximize the fusion mass and thereby prevent pseudarthrosis.

Sacral fixation system and assembly comprising such a system Sacral fixation system, comprising a plate (10) comprising: a proximal face (16) and a distal face (17), a plate plane extending between the distal and proximal faces, a first housing (21) extending along a first axis (X21) a second housing (22) extending along a second axis (X22), a plate axis, the second axis forming a first angle with the plate plane, and the second axis and the plate axis forming a second angle between 45 degrees and 110 degrees; a second screw (12), received in the second housing to penetrate at least the S2 vertebra of the patient's sacrum; a locking plug (13), which comprises a skirt (36) and which is received in the second housing by interposing the skirt between the second screw and the second housing. Figure for abstract: Figure 6