54 results about "Spinal segment" patented technology

The invention discloses a spine tactile sensing system and method based on a multi-modal sensor, and the method comprises the steps: obtaining an original tactile signal, carrying out the preprocessing of the original tactile signal, carrying out the feature extraction based on the preprocessed original tactile signal, and obtaining a spatial distribution feature and a time dynamic feature; on the basis of tail end coordinates collected by forward kinematics of the tail end of the mechanical arm, space mapping of the tactile signals and the spine anatomical structure is constructed, and anatomical position features are obtained on the basis of the preprocessed original tactile signals and the space mapping; constructing task-oriented feature vectors based on the spatial distribution features, the anatomical position features and the time dynamic features, wherein the task-oriented feature vectors comprise a sliding state recognition feature vector and a spine ordinal number positioning feature vector; and constructing a multi-stage adaptive evolution hidden Markov model, and realizing spine ordinal number positioning in combination with the task-oriented feature vector. According to the method, through multi-dimensional feature fusion and dynamic model adjustment, anatomical prior knowledge and real-time tactile signals are combined, and spine segments are accurately recognized.

Vertebral stabilization techniques labelled “vertebropexy” can be used after microsurgical decompression (intact posterior structures) and midline decompression (removed posterior structures). Vertebropexy is a concept of semi-rigid spinal stabilization based on reinforcement of the spinal segment and is able to reduce motion, especially in flexion-extension.

Vertebral stabilization techniques labelled “vertebropexy” can be used after microsurgical decompression (intact posterior structures) and midline decompression (removed posterior structures). Vertebropexy involves semi-rigid spinal stabilization based on reinforcement of the spinal segment and is able to reduce motion, especially in flexion-extension.

The invention relates to the technical field of medical instrument control, in particular to a massage traction dynamic parameter cooperative control method, which comprises the following steps: S1, collecting real-time three-dimensional motion trails of each segment of a spine and stress distribution and deformation data of soft tissues in a target area; s2, calculating a deviation value between a current traction action and a target state, and generating a cooperative adjustment instruction of traction force, angle and frequency; s3, the traction direction is adjusted according to the traction force adjusting instruction in the S2; s4, modulating and controlling the intermittent frequency of the traction action; s5, if the deformation rate exceeds a preset safety threshold value, triggering a dynamic compensation mechanism; s6, forming a personalized traction scheme for the current patient; according to the spine traction control system and method, personalized spine traction control is achieved by monitoring the spine movement track and soft tissue stress changes in real time and dynamically adjusting traction force, angle and frequency, and therefore the treatment effect is remarkably improved, and the soft tissue injury risk is reduced.

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.

A spinal treatment system includes a constraint device having an upper tether portion, a lower tether portion and a compliance member coupled therebetween. The upper tether portion is coupled with a superior spinous process of a spinal segment in a patient and the lower tether portion is coupled with an inferior spinous process or sacrum of the spinal segment. The length or tension in the constraint device is adjustable so that the construct of the tether portions and the compliance member provides a force resistant to flexion of the spinal segment. The system also includes a first prosthesis coupled with the spinal segment, wherein the constraint device modulates loads borne by the prosthesis or by tissue adjacent thereto.

The invention discloses a spine segment space key point positioning method, device and equipment and a medium, and relates to the technical field of image data processing, and the method comprises the steps: inputting a spine original CT image into a spine segment space region positioning network, so as to obtain the position information of each spine segment space region, cutting the original CT image of the spine based on the position information of the spatial region of each spine segment to obtain a local CT image of each spine segment; and inputting the local CT image corresponding to the inpatient area spine segment into the spine segment anatomical key point positioning network to obtain position information of the inpatient area spine segment anatomical key points. The method is high in precision, strong in robustness and low in calculation complexity, and accurate positioning of the spine segment anatomical key points in the CT image of any view field can be realized.

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.

The utility model relates to the technical field of medical devices, and discloses a self-locking cervical fusion device, including: an anchor bolt, a lock buckle, and a body of the fusion device; the anchor bolt is an arc-shaped structure, and an anchor bolt insertion channel is respectively provided on both sides of the body, the anchor bolt is inserted in the anchor bolt insertion channel and locked by the lock buckle, and the two anchor bolts are both facing outward and stably connected with the upper and lower adjacent vertebral bones. The fusion device body, anchor bolt and lock buckle of the utility model are all integrated structures, and ridges are provided on the anchor bolt, and spinous processes are provided on the fusion device body, which can greatly improve the connection stability between the fusion device and the upper and lower adjacent vertebrae; and the fusion device of the utility model can be applied to all spinal segments; the body of the fusion device is made of PEEK material, and due to its good wear resistance, elasticity and biocompatibility, it can be stably used for a long time, and compared with the body made of titanium alloy, it can reduce joint wear and infection, and reduce the probability of secondary surgery.

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 discloses a method, device, equipment and medium for positioning key points of spinal segment space, and relates to the field of image data processing technology. The method comprises: inputting the original CT image of the spine into the spinal segment space region positioning network to obtain the position information of each spinal segment space region, and based on the position information of each spinal segment space region, the original CT image of the spine is cropped to obtain the local CT image of each spinal segment; the local CT image corresponding to the diseased spinal segment is input into the spinal segment anatomical key point positioning network to obtain the position information of the anatomical key points of the diseased spinal segment. The present invention has high precision, strong robustness and low computational complexity, and can realize the precise positioning of the spinal segment anatomical key points in any field of view CT image.

A method by which an electronic device integrally analyzes spinal diseases, according to one embodiment of the present application, may comprise the steps of: receiving a spinal image; applying the spinal image to a trained vertebrae segment detection model so as to detect a plurality of vertebrae segments; measuring the height and the width of a plurality of vertebrae and the intervals between the plurality of vertebrae on the basis of the vertebrae segments so as to generate measurement indexes; applying the vertebra segments to one or more trained image disease analysis models so as to generate disease information about the vertebra; applying the measurement indexes and the disease information to a trained integrated analysis model so as to generate integrated disease information about the vertebra; and outputting the integrated disease information. According to one embodiment of the present invention, an X-ray spinal image is integrally analyzed to determine a spinal disease area and the type of the corresponding spinal disease.

The invention relates to the technical field of medical instruments, in particular to auxiliary supporting equipment for treating spondylolisthesis, small cylinders are arranged on transverse support faces forming L-shaped supporting frames, a plurality of sets of small cylinders are vertically and mutually overlapped to form vertical auxiliary supporting parts, and the auxiliary supporting parts are installed in the transverse support faces of the upper L-shaped supporting frame and the lower L-shaped supporting frame. According to the auxiliary supporting equipment for treating spondylolisthesis, auxiliary supporting is effectively carried out on spondylolisthesis, stress borne by the spondylolisthesis is reduced, the spondylolisthesis can be partially reset under the ligament and muscle strength of the spondylolisthesis, the spine part is allowed to move to a certain degree of freedom, and therefore the spondylolisthesis effect is improved. More convenience is brought to work and life of a patient in the future, auxiliary reduction is effectively carried out on vertebral slippage, and vertebral slippage is further consolidated and prevented.

The invention discloses a multifunctional pulsation assessment treatment device and method, and relates to the technical field of spine assessment treatment, and the device comprises a spine assessment module which is used for detecting the activity, resistance and stability of spine segments, and generating a bell-shaped curve data graph; the pulse treatment module is used for applying high-speed and low-frequency pulse force to act on the target spine segment to realize any one or more functions of spine arrangement adjustment, muscle activation and joint loosening; the control feedback module is used for receiving detection data of the spine evaluation module, generating a feedback control signal based on the detection data of the spine evaluation module and outputting the feedback control signal to the pulse treatment module for dynamic adjustment; and the display interaction module is used for displaying the segment evaluation bell-shaped curve, the treatment progress and the personalized suggestions in real time. The invention has the advantage that the multifunctional integrated design is adopted. The equipment integrates evaluation, treatment, patient education and comprehensive treatment schemes, and meets diversified rehabilitation requirements of different patients.

A spinal implant is disclosed for engagement to portions of a spinal segment after a laminectomy procedure. The spinal implant includes a first member and a second member in orthogonal relation relative to the first member such that the spinal implant generally defines a t-shape configuration. The spinal implant is formed using biocompatible materials to safely adapt to the surgical area. The spinal implant may include hooks or apertures for engaging with portions of bodily tissue. The spinal implant may be engaged to other spinal implants along the spine using one or more arms of an interconnecting arrangement.

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.

An apparatus for spinal segmentation of a user's spine, the apparatus including: a board assembly having a length extending between two ends and comprising 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 a pushing force applied by the user's lumbar region on one or more of the back supporting members results in movement of the supporting member from an initial raised configuration to a lowered configuration wherein the movement results in a first clicking sound emitted by the underlying tactile member.

The present invention discloses a locator, a method, a device, a device and a medium for obtaining spinal segment positioning data. The non-invasive spinal segment positioning data acquisition method of the present invention is based on non-invasive spinal segment positioning of dermatome segmentation of the population. By using full-length spinal radiographs and applying the original dermatome segmentation method for segmentation and measurement, the spinal dermatome segmentation percentage data based on population data is obtained. This data acquisition method can well conform to the characteristics of spinal movement, the data acquisition is more accurate, and non-invasive positioning is achieved. For the first time, the method of combining the measurement of the spinal endplate angle of the full-length lateral spinal radiograph with the traditional semi-quantitative estimation of lumbosacral spinal mobility expands the means of non-invasive spinal body surface positioning.

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 disclosure relates to an apparatus and a method for measuring muscles for each part and detecting vertebral segments in a medical image. The apparatus comprises: a memory in which at least one process for performing muscle measurement for each part for an L3 slice in a CT image is stored; and a processor for performing an operation according to the process, wherein the processor generates each of a first muscle mask and a second muscle mask, marks an intersection region of the first muscle mask and the second muscle mask as an actual muscle, and divides the actual muscle into a plurality of regions to indicate the quality of the muscle for each region.

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.

Disclosed herein is a system (1) for establishing interplaying load paths in a fusion procedure of a spinal segment (2) between an upper vertebra (3) and a lower vertebra (4) for minimizing post-fixation overloads. The system (1) comprises a first stiffener (5) for forming a primary load path (6) between the upper vertebra (3) and the lower vertebra (4), the first stiffener (5). The system further comprises a tension band (7) for forming a secondary load path (8) across the upper vertebra (3) and the lower vertebra (4).