19 results about "Paraspinal Muscle" patented technology

The application discloses a MRI paravertebral muscle segmentation method based on Bayesian fusion and probability shape modeling, and comprises the following steps: a) a Fourier-Gaussian process probability shape model is established to parameterize the muscle shape, the Fourier-Gaussian process probability shape model comprises radial modeling based on a Fourier basis function to represent a muscle cross-section profile, and axial modeling based on a Gaussian process to capture the axial variation law of the muscle shape; b) a muscle edge feature model based on a convolutional neural network is constructed to perform multi-scale feature extraction on the muscle edge in the MRI image; and c) a Bayesian segmentation framework is designed, and based on a maximum posterior estimation principle, online segmentation of the paravertebral muscle in the MRI image is realized. The application is customized according to the characteristics of the paravertebral muscle segmentation task through the idea of fusing high-quality artificial labeling and a powerful learning model, so that the application can achieve high segmentation and reconstruction quality under a small amount of interaction, and has strong shape change description capability.

The invention relates to a massage waist pillow and a massage method thereof.The massage waist pillow comprises a waist pillow body, a first massage module and a second massage module, an opening is formed in the surface of the waist pillow body, and the first massage module comprises a left massage component and a right massage component; the left massage component and the right massage component are arranged in the waist pillow body and face the opening, a gap is formed between the left massage component and the right massage component, and the gap forms a spine avoiding area, so that when a human body leans against the waist pillow body, the spine of the human body is located in the spine avoiding area, and the spine of the human body is located in the spine avoiding area. The left massage component is used for massaging para-spinal muscle groups on the left side of the spine of the human body, the right massage component is used for massaging para-spinal muscle groups on the right side of the spine of the human body, synchronous massage is carried out on the para-spinal muscle groups, the massage coverage range and depth are increased, and the waist relaxing effect is more remarkable.

The present invention reduces pain and improves function long-term in persons with back pain using electrical stimulation in the back. This approach involves an electrical stimulation device including at least one electrode adapted for insertion within an animal body with back pain and at least one pulse generator operatively coupled with the at least one electrode, wherein the pulse generator delivers electrical stimulation activating at least a nerve innervating at least a paraspinal muscle in a back of the animal body for pain relief.

The invention discloses application of vitamin K in preparation of a medicine for treating paravertebral muscle adiposis of obese patients. The core of the application is to reverse fat infiltration in paravertebral muscles (such as multifidus muscle, erector spine muscle and lumbar major muscle) of an obese patient, so that the structure and function of a vertebral endplate are improved, the stability of the spine is enhanced, and degeneration of the spine intervertebral disc of the obese patient is relieved. The method has the advantages of non-invasiveness, high safety and the like, and is suitable for treating lumbago diseases related to long-term obesity management and paravertebral muscle adiposis.

The invention belongs to the technical field of biology, and particularly relates to a scoliosis rat model construction method which comprises the following steps: S1, obtaining an experimental animal, removing the forelimb and the tail of the experimental animal, enabling the gravity direction of the experimental animal to be parallel to the spine, and obtaining a biped animal; s2, performing excision treatment on a deep paravertebral muscle group on one side of the biped animal to obtain an experimental animal with muscle mechanics imbalance; and S3, performing exercise load stimulation treatment on the experimental animal with muscle mechanics imbalance to obtain the scoliosis animal model. According to the method disclosed by the invention, the scoliosis animal model capable of highly simulating human disease characteristics is constructed by combining axial gravity load under a two-foot standing posture, structural and mechanical unbalance caused by directional unilateral deep paravertebral muscle excision and regular movement stimulation; the method can accurately and controllably induce scoliosis in a specific direction opposite to a muscle resection side, and has a wide application prospect.

The invention discloses a construction method of an ALS prognosis model based on chest CT skeletal muscle quantitative parameters. The method comprises the following steps: firstly, performing regular follow-up visit on an ALS receptor which is clearly diagnosed; imageJ software is used for quantifying skeletal muscle area / index / attenuation values (SMD / SMD / SMI) and paravertebral muscle area / attenuation values (PMA / PMD) of the first lumbar vertebra (L1) level of chest CT of all receptors and performing inter-group difference analysis, and it is found that the consistency of L1SMA / SMD / SMI / PMA / PMD of an ALS receptor group is reduced along with staging progress. According to the method, an ALS death risk prediction model is constructed through a single-factor and multi-factor COX proportional risk model, and a column diagram is drawn, so that L1SMA (HR is equal to 0.96, 95% CI is equal to 0.94-0.98, p is equal to 0.001), L1SMD (HR is equal to 0.92, 95% CI is equal to 0.88-0.96, plt; 0.001) and L1PMA (HR = 1.06, 95% CI = 1.01-1.11, plt; 0.022) significantly influences the survival rate of ALS, and areas under curves (AUC) of one-year survival prediction and three-year survival prediction are 0.687 and 0.851 respectively.

The invention provides a multifunctional device and method for scoliosis rehabilitation, and the device comprises a rehabilitation traction supporting platform, an array type electric air bag traction module, a warm magnetic therapy module, a low-frequency electrical stimulation module, an ultrasonic module and a central control system, the lifting device is used for carrying out directional lifting and drafting on a convex side thoracolumbar section of a target object; the warm magnetic therapy module is used for being started before traction is started and carrying out warm and magnetic field combined pretreatment on paravertebral muscles and fascia tissues of a target object; the low-frequency electrical stimulation module is used for performing electrical stimulation on the target muscle group when the convex side of the target object lies downwards; the ultrasonic module is used for performing ultrasonic debonding on the concave side body surface of the target object; and the central control system is used for controlling and coordinating the start-stop sequence, the working state and the output parameters. By means of the scheme, the problems that rehabilitation equipment is single in mode, low in function integration degree and insufficient in personalized adaptation capacity can be solved.

The utility model relates to the technical field of medical instruments, and discloses an expandable UBE working channel. Comprising a first dilation piece, a second dilation piece and an opening mechanism, the opening mechanism can drive the first dilation piece and the second dilation piece to be attached to form a first surgical operation space, and the opening mechanism can drive the first dilation piece and the second dilation piece to be separated to form a second surgical operation space; one end of the second dilation piece is provided with an overhanging part, and the overhanging part is connected with a traction part which extends towards one side of the second dilation piece and in the direction away from the first dilation piece. The UBE working channel can flexibly adjust the operation space in the operation process, the situation that paravertebral muscular tissue hinders operation tool entering and exiting and fusion cage implanting is effectively avoided, meanwhile, the water outlet smoothness is improved, and therefore it is ensured that the visual field under the endoscope is clear, and hydrops in muscle gaps are prevented. And the traction part on the second expansion piece can assist an operator in flexibly pulling nerves without assistance of an assistant, so that the safety and accuracy of an operation are improved, and the nervous tissues of a patient are protected.

The invention discloses a chronic nonspecific lumbago prediction model construction method and system, and solves the problem that in the prior art, although research proves that morphological changes of paravertebral muscles are associated with occurrence of cNLBP, an efficient prediction model capable of integrating multi-dimensional data is lacked, the method comprises the steps of S1, obtaining lumbar vertebra MRI image data of a patient; s2, on the basis of an image segmentation technology, segmenting regions of interest of multifidus muscles and erector spinalis muscles on the two sides of 4-5 layers of the waist on the lumbar vertebra MRI image; s3, extracting morphological features and radiomics features of paravertebral muscles based on the region of interest; step S4, the morphological features and the radiomics features are fused, and a multi-modal feature set is constructed; carrying out dimension reduction processing on the multi-modal feature set by adopting a feature screening algorithm so as to screen out a feature subset most relevant to lumbago prediction; and obtaining a chronic nonspecific lumbago prediction model.

The embodiment of the invention discloses a spine electrical stimulation flexible brace, and the specific implementation mode of the spine electrical stimulation flexible brace comprises a flexible close-fitting exoskeleton suit which is worn on the trunk of a spine malformation user; the at least one partition electrical stimulation electrode patch is arranged on the inner side of the back surface of the flexible close-fitting exoskeleton suit and is distributed in concave side and convex side paravertebral muscle areas of scoliosis of the user with spinal malformation; the at least one apical vertebra point stimulating electrode patch is arranged on the inner side of the back of the flexible close-fitting exoskeleton suit and located at the body surface projection position corresponding to the scoliosis apical vertebra; the positioning piece is arranged on the front side of the flexible close-fitting exoskeleton suit; the control device is in communication connection with the partition electrical stimulation electrode patches and the apical vertebra point stimulation electrode patches through connecting wires, and the control device is fixed to the flexible close-fitting exoskeleton suit through the fixing piece. According to the embodiment, the strength of the paravertebral muscle of the user can be exercised, the position of the apical vertebra of the user is prompted, and the user is reminded to pay attention to daily postures.

Embodiments of the present application relate to a pedicle screw loosening evaluation method and device based on no phantom QCT bone density measurement. The method comprises: acquiring quantitative computed tomography (QCT) image data of a lumbar vertebra of a patient; based on a no phantom calibration technology, performing bone density calibration and measurement on CT values of paraspinal muscles and subcutaneous fat in the lumbar vertebra QCT image data; segmenting a vertebral body region and a pedicle screw channel region of the CT image sequence of the patient through a preset neural network model; determining the bone density of the pedicle screw channel region, combining with finite element biomechanical analysis to evaluate the pull-out force of the pedicle screw implantation; and determining a risk level according to the pull-out force and a preset loosening risk evaluation rule. The technical solution of the embodiments of the present application can evaluate the risk of postoperative screw loosening, pull-out and other complications without relying on external phantoms to evaluate local bone density.

A massage device that includes a wall-mountable support structure and one or more massage elements. The one or massage elements may include a first massage element, a second massage element, and a third massage element. The first massage element has massage heads positioned to provide massage to a user's cervical paraspinal muscles, trapezius muscles, deltoid muscles, and rhomboid muscles. The second massage element has massage heads positioned to provide massage to the user's latissimus dorsi muscles and thoracic paraspinal muscles. The third massage element has massage heads positioned to provide massage to the user's thoracic paraspinal muscles, oblique muscles, and gluteus maximus muscles.

The application belongs to the technical field of biomedical experimental animal model construction, and provides a rat severe spinal cord injury immediate decompression model construction method. The method establishes a standardized surgical procedure, including minimally invasive exposure through the paraspinal muscle gap, precise dura mater incision, warm saline low-pressure lavage debridement, and strict dura mater suture repair. The method realizes immediate and effective reduction of intrathecal pressure, removal of harmful substances in the injury area, and stabilization of the local microenvironment after severe spinal cord injury. The application solves the problems of instability, poor repeatability, and difficulty in simulating the clinical decompression effect caused by the non-standard dura mater incision, uncontrollable lavage, and high risk of secondary injury in the prior art. The model constructed by the method is highly standardized and has strong repeatability, and is suitable for in-depth study of the neuroprotective mechanism of dura mater incision decompression treatment for spinal cord injury.

According to the AIS patient self-correction system and method provided by the invention, complete-cycle precise management of scoliosis is realized; through a 64-channel electrode array and a phase interference tactile feedback architecture, paravertebral muscle electrical activity can be captured in real time, subcutaneous precise stimulation can be realized, and the muscle imbalance detection sensitivity is obviously improved; according to the muscle imbalance index, a direct mathematical correlation between a muscle force difference value and a Cobb angle change is established, and the problem that biomechanical indexes and imaging parameters are disjointed in traditional evaluation is solved; based on a dynamic correction strategy of a PPO-Clip reinforcement learning algorithm, the training intensity can be automatically adjusted according to the real-time physiological status of the patient, so that the training compliance is further improved; the end-cloud cooperative processing architecture compresses key response delay to be extremely low, supports daily continuous pathological monitoring, realizes integrated closed-loop intervention, and remarkably reduces the development risk of the Cobb angle.

The application provides a paravertebral muscle muscle image segmentation method and device, and belongs to the technical field of medical image processing. The method comprises the following steps: training an original image segmentation model by using sample paravertebral muscle muscle images, to obtain a trained original image segmentation model; the original image segmentation model at least comprises an image encoder, a prompt encoder and a mask decoder; the mask decoder in the trained original image segmentation model is improved, so that a double-layer upsampling module in the mask decoder is replaced by a Unet module, to obtain an improved image segmentation model; under the condition of freezing the parameters of the image encoder and the prompt encoder, the improved image segmentation model is trained by using the sample paravertebral muscle muscle images, to obtain a target image segmentation model; and an original paravertebral muscle muscle image to be segmented is input into the target image segmentation model, to obtain a segmented paravertebral muscle muscle image.

The present invention reduces pain and improves function long-term in persons with back pain using electrical stimulation in the back. This approach involves an electrical stimulation device including at least one electrode adapted for insertion within an animal body with back pain and at least one pulse generator operatively coupled with the at least one electrode, wherein the pulse generator delivers electrical stimulation activating at least a nerve innervating at least a paraspinal muscle in a back of the animal body for pain relief.

The invention discloses a middle and early stage rehabilitation chair for a Parkinson's disease patient, and belongs to the field of medical apparatus and instruments. Comprising a seat plate, a plurality of chair legs fixedly connected to the lower end of the seat plate, a cushion fixedly connected to the upper end of the seat plate and a backup plate, a support is fixedly connected to the outer surface of one side of the seat plate, an arc-shaped through groove is formed in the seat plate, and arc-shaped sliding rails are fixedly connected to the upper end of the seat plate and the inner top wall of the support; the robot further comprises a trunk rotation auxiliary assembly. The upper end and the lower end of the seat body are in sliding connection with the adjacent arc-shaped sliding rails respectively, one end of each traction part is connected with the inner top wall of the seat body, the other end of each traction part is connected with a back plate, the adjusting part is connected with one side of the seat body and connected with the back plate to drive the back plate to move, and the two first silica gel top blocks are symmetrically and fixedly connected to one side of the back plate. The body of a patient can be driven to move through movement of the back plate, and by means of passive or semi-passive light rotating movement, muscles beside the spine can be extended, core muscle groups can be activated, and the Parkinson's disease patient can be assisted in body rehabilitation movement.

The portable high-density myoelectricity acquisition equipment provided by the invention has three core advantages of high precision, strong adaptability and clinical practicability, the optimal channel is dynamically activated through the topological self-adaptive electrode array, the skin curvature adjustment is detected in real time through the piezoresistive sensor, the motion artifact interference is remarkably reduced, and the channel utilization rate is remarkably improved; the Cobb angle prediction equation realizes that the dynamic prediction error of the Cobb angle is smaller, and the precision bottleneck in the prior art is broken through; and furthermore, through a closed-loop feedback system, the daily action correction compliance of the patient is obviously improved. According to the device, AIS full-pathological cycle paravertebral muscle function quantitative evaluation is completed on the portable device for the first time, and a wearable precise intervention tool is provided for clinic.

According to the paravertebral muscle function change and scoliosis intrinsic correlation modeling method provided by the invention, a proposed phase-dependent bilateral muscle asymmetry index brings a spine rotation phase into myoelectricity asymmetry evaluation for the first time, and the problem that a traditional static index cannot capture dynamic compensation is solved; a multi-modal dynamic graph convolution model fuses a learnable topological structure and biomechanical constraints, data driving advantages are reserved, meanwhile, a prediction result conforms to a spine mechanical law, and the prediction error of the model on a Cobb angle is reduced to be extremely low; finally, based on a real-time feedback system of a muscle-spine differential equation, BAI can be converted into a vibration prompt signal to guide the patient to correct the action, and the method is obviously superior to a traditional training method; and a first complete-cycle solution which runs through'pathological mechanism research-quantitative evaluation-real-time intervention 'is provided for the AIS.