22 results about "Spinal segment" patented technology

The invention provides a physical manipulation apparatus that is engageable with a skin surface of a human or animal subject. The apparatus may include a skin-engageable pad configured to conform to the morphology of a physical manipulation member such as a digit of a human therapist or a stylus tip of a chiropractic adjustment instrument. The skin-engageable pad may include a friction-inducing component in the form of a biomimetic dry adhesive. The apparatus may include a digit cover (110, 120, 130) configured at least partially to cover a human digit. Instead, the apparatus may be configured as a skin patch having two release liners superimposed, respectively, on opposite sides of the skin-engageable pad. The skin patch may include indicia arranged to indicate a required orientation of the skin patch relative to a targeted anatomical feature such as a spinal segment, or a required direction of movement of the manipulation member.

The invention discloses a driver spine fine posture prediction method based on cabin arrangement parameters, and belongs to the technical field of automobile man-machine engineering. The method comprises the steps that human body characteristic data of a driver and cabin arrangement parameters are collected; fitting a back curve in the sagittal plane of the driver, and extracting curvature features; calculating a polar angle and a polar radius of each spine segment based on a pre-established regression formula; and finally, according to the skin surface spinous process mark points and the polar coordinate parameters, determining the spatial position of the mass center of each vertebra, and completing the fine posture prediction of the spine. According to the method, the limitation that the spine is simplified into three sections in the prior art is overcome, refined prediction of all the spine sections is achieved, the direct quantitative relation between the cabin arrangement parameters and the spine posture is established, the implementation cost and complexity are remarkably reduced, and the method is suitable for comfort evaluation and optimization in the forward design stage of the automobile cabin.

A method and system for processing magnetic resonance images of a spine includes receiving MR image data comprising a plurality of spine images of a patient, the plurality of spine images including a spine image for each of a plurality of sagittal slices; and then processing each spinal image with a deep learning (DL) model, where the DL model is trained to generate a plurality of labeled images for each spinal image, where the plurality of labeled images are each labeled with a different predetermined set of spinal segment labels. The plurality of marked images are combined into a marked spinal image for each of the plurality of slices, wherein each marked spinal image has a spinal segment tag for each of the predetermined plurality of spinal segments. A marked MR image is then generated based on the marked spinal image.

A system for restricting flexion of a spinal segment in a patient comprises a constraint device having a tether structure and a compliance member coupled with the tether structure. The tether structure is adapted to be coupled with a superior spinous process and a sacrum. The system also includes an anchor member that is anchored to the sacrum. The anchor member has an attachment feature that is adapted to couple with the constraint device.

The present invention provides an image data processing method, a device, and a storage medium. In the present invention, the problem of registering a whole spinal segment medical image is decomposed into segmentation, pose transformation, and stitching processing of a plurality of vertebral segments, significantly reducing the computational complexity and technical overhead of direct registration of the whole segment. In the process, a first modality medical image and a second modality medical image are utilized, each having respective characteristics in bone and soft tissue imaging, to achieve precise segmentation of the vertebral segments; a pose transformation information set is determined on the basis of a segmentation result, and calculation of a transformation matrix is further optimized, ensuring the efficiency and accuracy of a registration process; and finally, weighted fusion stitching is performed on a transformed segmentation data set to generate a complete registered image, overcoming the defect of excessive computational burden caused by overall processing in related technologies, so that the method has the characteristics of strong real-time performance and wide applicability, and is particularly suitable for application scenarios of intraoperative real-time registration.

This invention relates to the field of medical device technology and discloses an infusion system for shape memory nickel-titanium alloy rods. A spiral hose is spirally wound around the shape memory nickel-titanium alloy rod, and both ends of the spiral hose have circulation interfaces. The water outlet of the infusion unit is connected to one end of the spiral hose through a first circulation pipe, and the water return end is connected to the other end of the spiral hose through a second circulation pipe. The infusion unit contains a first and a second liquid storage tank, which are connected to the circulation pipe through corresponding water outlet and return pipes, respectively. The first liquid storage tank contains ice-salt water, and the second liquid storage tank contains 37°C physiological saline. This invention utilizes fluid circulation heat exchange to allow the entire rod to reach the phase change temperature simultaneously, ensuring synchronous deformation. The tension of the alloy rod is evenly transmitted to each screw and spinal segment, avoiding screw overload and aggravation of scoliosis caused by localized deformation, resulting in uniform orthopedic force.

Disclosed herein is a fixator (1) for elastically restricting flexion of a spinal segment. The fixator (1) comprises a load-bearing element (4) comprising one or more load-bearing surfaces (5, 6), wherein a first load-bearing surface (5) is configured for contacting in a mounted position a first vertebra (2) and for forming in the mounted position a semi-loop (7) around the first vertebra (2). The load-bearing element (4) merges at the first end (41) into a first tail (8) and at the second end (41) into a second tail (9). The fixator (1) further comprises at least one lock (10) interconnected in the mounted position to the first tail (8) and / or the second tail (9) to maintain the load-bearing element (4) in a pre-tension with respect to a neutral position of the spinal segment, thereby providing an elastic resistance to flexion beyond the neutral position.

The application provides a spinal displacement positioning method and system for orthopedic surgery navigation, which comprises the following steps: acquiring a first point cloud image and a second point cloud image corresponding to a non-healthy spinal segment of a human body for orthopedic surgery navigation and calculating a conversion matrix; acquiring ultrasonic images of each healthy spinal segment of the human body corresponding to a fixed reference frame through an ultrasonic detection module on each fixed reference frame; mapping the ultrasonic images into the first point cloud image or the second point cloud image through the conversion matrix to acquire position coordinates of each healthy spinal segment of the human body corresponding to the fixed reference frame; monitoring each position coordinate in real time and alarming and recording a change value when the position coordinate changes; and positioning the non-healthy spinal segment of the human body with displacement through the change value. The scheme can realize accurate positioning of the displacement of the non-healthy spinal segment in orthopedic surgery navigation, thereby avoiding deviation in surgery.

The invention discloses a wearable bladder function evaluation system based on spinal segment electrophysiological signal monitoring, which comprises a physiological signal acquisition module and a data processing module, and is characterized in that the data processing module comprises an analog front-end circuit unit, an analog-to-digital conversion circuit unit and a control unit; the physiological signal acquisition module is used for acquiring peripheral nerve electrophysiological signals and central nerve electrophysiological signals of a human body; the analog front-end circuit unit is used for performing signal amplification and filtering processing on the peripheral nerve electrophysiological signal and the central nerve electrophysiological signal; the analog-to-digital conversion circuit unit performs analog-to-digital conversion on the amplified peripheral nerve electrophysiological signal and the amplified central nerve electrophysiological signal to obtain a peripheral nerve electrophysiological digital signal and a central nerve electrophysiological digital signal; the control unit is used for monitoring the bladder function according to the peripheral nerve electrophysiology digital signal and the central nerve electrophysiology digital signal.

The present invention provides a single surgical method, procedure and / or system that creates open visual and physical access to an identified spinal treatment site that initially comprises spinal levels to be treated, wherein the spinal levels comprise at least one dorsal root ganglion. A spinal treatment procedure is performed generally in combination with implantation of a neuromodulation system that may comprise placement of electrical lead(s) on the at least one dorsal root ganglion, wherein each lead is in operative connection with a pulse generator that may also be implanted during the surgical method. Electrical stimulation may be generated with the pulse generator through the electrical leads to the at least one dorsal root ganglion during and / or after the closure of the identified spinal treatment site.

The application discloses a driver spine fine posture prediction method based on a cockpit layout parameter and belongs to the technical field of automobile man-machine engineering. The method comprises the following steps: collecting human feature data and cockpit layout parameters of a driver; fitting a back curve in a driver sagittal plane and extracting a curvature feature; calculating a polar angle and a polar radius of each spine segment based on a pre-established regression formula; and finally determining the spatial position of the mass center of each vertebra according to a skin surface spinous process marker point and polar coordinate parameters, and completing the spine fine posture prediction. The application overcomes the limitation that the spine is simplified into three segments in the prior art, realizes the fine prediction of all spine segments, establishes a direct quantitative relationship between the cockpit layout parameter and the spine posture, significantly reduces the implementation cost and complexity, and is suitable for the comfort evaluation and optimization in the forward design stage of the automobile cockpit.

This application relates to the field of traditional Chinese medicine (TCM) technology, disclosing a TCM compound composition, its preparation method, and its application in treating discogenic low back pain. The TCM compound composition comprises the following components in parts by weight: Astragalus membranaceus 30g, Ligusticum chuanxiong 18g, Angelica sinensis 9g, Rehmannia glutinosa (processed) 18g, Paeonia lactiflora (fried) 18g, Codonopsis pilosula 9g, Bupleurum chinense 9g, Poria cocos 9g, Stephania tetrandra 9g, Aconitum carmichaelii (processed) 9g, and Angelica pubescens 9g. This TCM compound composition improves the metabolism and structural state of multifidus muscle, restores the mechanical stability of spinal segments, reduces the continuous input of abnormal mechanical stimulation from the source, thereby inhibiting the activation of the Piezo1-Netrin-1 axis, reducing vascular and sensory nerve ingrowth, and ultimately resulting in the protection of the cartilaginous endplate structure and improved pain sensitivity.

The invention provides an image data processing method and device and a storage medium. According to the method, the medical image registration problem of the whole segment of the spine is decomposed into segmentation, pose transformation and splicing processing of a plurality of vertebral segments, so that the calculation complexity and the technical overhead of direct registration of the whole segment are remarkably reduced. According to the method, accurate segmentation of vertebral segments is realized by utilizing respective characteristics of a first modal medical image and a second modal medical image on bone imaging and soft tissue imaging; a pose transformation information set is determined based on a segmentation result, calculation of a transformation matrix is further optimized, and high efficiency and accuracy of the registration process are ensured; finally, the complete registration image is generated by performing weighted fusion splicing on the transformed segmented data set, so that the defect of overweight calculation burden caused by overall processing in the related technology is overcome, and the method has the characteristics of high real-time performance and wide applicability, and is particularly suitable for an application scene of real-time registration in an operation.

The application relates to the technical field of medical devices, and discloses a multi-segment spine synchronous orthopedic robot, a method and a controller. The synchronous orthopedic robot comprises a controller, a rigid support frame and a plurality of independent orthopedic driving units arranged in the rigid support frame; each orthopedic driving unit and a one-dimensional line control sliding rail and a two-dimensional line control component mounted on the top of the rigid support frame jointly constitute a three-dimensional motion execution mechanism; the end of each orthopedic driving unit is provided with an adaptive connecting component; each orthopedic driving unit is rigidly connected with a pedicle screw implanted in a spine segment through the adaptive connecting component; the controller controls the actions of the plurality of orthopedic driving units through the one-dimensional line control sliding rail and the two-dimensional line control component, can realize the synchronous orthopedic treatment of the plurality of spine segments, and thus reduces the risk of pedicle screw pull-out or iatrogenic fracture.

A method of tailoring a spinal implant to correspond to a specific patient's needs includes: pre-operatively evaluating a patient to determine a desired spinal segment response; and modifying one or more features of flexures of an implant to provide the desired spinal segment response. Modifying one or more features of flexures of the implant can include modifying one or more of a thickness, width, length and / or shape of the features of the flexures. Various systems for executing the methodologies taught herein are also provided.

The invention discloses an ankylosing spondylitis rehabilitation evaluation method based on posture recognition, and relates to the technical field of human body posture recognition, and the method comprises the steps: collecting and processing continuous video frames in the rehabilitation training process of a patient, and extracting spine key point information through a deep learning model; according to the method, the rehabilitation progress of a patient is calculated and evaluated by analyzing the activity range and posture deviation of each spine segment and combining preset rehabilitation target parameters and historical rehabilitation data. Through the combination of the time sequence characteristics and the spine structure offset matrix, the dynamic change of the spine can be accurately tracked, the weight is distributed for each spine segment, and segment activity range improvement and overall posture deviation improvement indexes are generated. And outputting a rehabilitation evaluation result according to a weighted result, and providing data support for a treatment scheme. Compared with a traditional assessment mode, the method can provide more accurate and dynamic rehabilitation effect assessment, and is suitable for assessment and adjustment of different patients and different rehabilitation stages.

Various implants and surgical techniques for dynamic spinal tethering systems are discussed. In an example, a spinal tethering system can comprise a flexible elongate spinal tethering cord and a plurality of vertebral implants connecting the cord across at least four spinal levels. In this example, each vertebral implant of the plurality of vertebral implants can include a dynamic head coupling each vertebral implant to the cord. The dynamic head of each vertebral implant can be configured to share cord tension across multiple spinal levels by releasing a first tension generated at a first level between two vertebral implants of the plurality of vertebral implants to generate a second tension across two spinal levels between three vertebral implants of the plurality of vertebral implants, wherein the second tension is lower than the first tension.

The present application belongs to the technical field of image processing, and mainly relates to a kind of detection method of adolescent scoliosis based on three-dimensional imaging, the method obtains the multi-modal data such as the back depth map, temperature distribution, attitude angle and foot bottom pressure matrix of the detected person by depth camera, infrared imaging equipment, IMU sensor and foot bottom pressure distribution sensor;Cloud platform generates three-dimensional point cloud and obtains back three-dimensional surface model using Poisson surface reconstruction algorithm, overall posture correction is carried out in combination with attitude angle and pressure gravity center offset, and thermal force correction model of local deformation is constructed based on thermal force diagram;The landmark point of spinal segment is automatically identified by deep learning algorithm, the spinal midline is fitted, and the Cobb angle is calculated, the degree of scoliosis is judged, and the analysis report is output;The present application does not need X-ray imaging, and the detection safety is high, can fuse posture, mechanics and thermal information, reduce artificial posture interference, and is suitable for early screening and dynamic review of adolescent.

The invention relates to a spinal epidural electrical stimulation electrode implantation scheme determination method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining a simulation digital model corresponding to a spine of at least a part of segments of a patient and internal tissues of the spine; based on the simulation digital model, simulating electrical stimulation on a plurality of stimulation positions on the simulation digital model to obtain stimulation responsivity of the target position; determining stimulation selectivity coefficients corresponding to the stimulation positions based on the stimulation responsivity; determining a plurality of target stimulation selectivity coefficients and corresponding target positions based on the stimulation selectivity coefficients and the stimulation positions corresponding to the stimulation selectivity coefficients; based on the target positions, an electrode implantation scheme is determined, and the electrode implantation scheme at least comprises one of the following aspects: applying the target spine segment of the electrical stimulation, electrode type selection and an electrode implantation position. Therefore, the selected target position directly and effectively aims at the target position, and the target stimulation effect corresponding to the electrode implantation scheme is improved.

The invention provides a physical manipulation apparatus that is engageable with a skin surface of a human or animal subject. The apparatus may comprise a skin-engageable pad configured to conform to the morphology of a physical manipulation member such as a digit of a human therapist or a stylus tip of a chiropractic adjustment instrument. The skin-engageable pad may include a friction-inducing component in the form of a biomimetic dry adhesive. The apparatus may comprise a digit cover (110, 120, 130) configured at least partially to cover a human digit. Instead, the apparatus may be configured as a skin patch having two release liners superimposed, respectively, on opposite sides of the skin-engageable pad. The skin patch may include indicia arranged to indicate a required orientation of the skin patch relative to a targeted anatomical feature such as a spinal segment, or a required direction of movement of the manipulation member.

An apparatus for spinal segmentation of a user's spine, the apparatus including: a board assembly having a length extending between two ends and including a plurality of independently movable back supporting members arranged transversely across the length, each back supporting member being positioned for receiving separate regions of the user's lumbar region during use; each back supporting member being operatively linked with a corresponding underlying tactile member located along an underside portion of the back supporting member such that when a pushing force is applied by the user's lumbar region on one or more of the back supporting members, movement of the supporting member from an initial raised configuration to a lowered configuration occurs, wherein the movement results in a first clicking sound emitted by the underlying tactile member.