255 results about "Vertebral column" patented technology

A clinical vertebra image segmentation method for assisting pedicle screw placement surgery, said method comprising: constructing a VerseDiff-UNet end-to-end framework, the framework being integrated with a denoising diffusion probabilistic model (DDPM); combining a noise-added image with a marked mask by using the VerseDiff-UNet framework, and guiding a diffusion direction toward a target region; and introducing a shape priors module on the basis of the DDPM, and extracting structural semantic information from an input spine image. In order to capture specific anatomical prior information in a medical image, the shape priors module is combined and the module effectively extracts the structural semantic information from the input spine image, thereby enabling more accurate anatomical structure segmentation, and facilitating accurate diagnosis and treatment of spinal disorders.

The invention discloses a CT image segmentation method for spine surgery, and relates to the technical field of medical image processing, and the method comprises the steps: obtaining a spine CT image of a patient, and carrying out the preprocessing of the spine CT image; adopting a centrum gap detection method to detect a centrum gap region of a spine in the preprocessed CT image, and performing automatic segmentation on each centrum based on centrum gap region information to obtain a preliminary segmentation result of the centrum; extracting local texture features of the intervertebral disc and the nerve root in the intervertebral space area, and classifying the local texture features through a classifier to generate a preliminary segmentation result of the intervertebral disc and the nerve root; performing rigid registration and non-rigid registration on the initial segmentation results of the vertebral body, the intervertebral disc and the nerve root and the standard three-dimensional model, and identifying an abnormal region in segmentation; by extracting local texture features of the intervertebral disc and the nerve root and combining a support vector machine classifier, accurate segmentation of various structures can be realized.

The invention relates to the technical field of medical instruments, and discloses an additive manufacturing bionic bone trabecula full-porous interbody fusion cage which is applied to spinal fusion surgery and is of a bionic bone trabecula full-porous structure made of medical metal through a laser melting or electron beam melting additive manufacturing technology. The interbody fusion cage comprises a front end face, a rear end face, a first side surface, a second side surface, an upper fusion face and a lower fusion face, the upper fusion face and the lower fusion face make direct contact with a vertebral body end plate of a spine, anti-skid teeth are arranged on the surfaces of the upper fusion face and the lower fusion face, and a bone grafting window penetrating through the upper fusion face and the lower fusion face is formed in the center of the interbody fusion cage. The interbody fusion cage has the structure and mechanical property similar to those of cancellous bone and trabecular bone of a human body, can improve the bone combination area and bone ingrowth space, has excellent initial and long-term stability, and can effectively reduce stress shielding so as to improve the bone fusion capability.

The embodiment of the invention provides a spine image recognition method and related equipment. The spine image recognition comprises the following steps: acquiring a spine image to be detected, and preprocessing the spine image to be detected to obtain a target spine image; the target spine image is input into a key point recognition model, position information output by the key point recognition model for each section of vertebral body in the target spine image is obtained, and the position information is marked on the target spine image and at least comprises positioning frame information, a vertebral body name and angular point coordinates; the key point identification model comprises a CBAM module; correcting and adjusting the position information to obtain corrected position information; and performing intervertebral disc positioning and vertebra identification according to the corrected position information. According to the technical scheme, the improved key point recognition model is adopted, the positioning frame, the cone name and the angular point coordinates are directly output without depending on a segmentation model, the process is simplified, and the detection speed and robustness are improved.

The invention relates to the technical field of motion capture and data processing, in particular to a method for realizing real-time dynamic capture of a three-dimensional space of a human spine by applying an IMU (Inertial Measurement Unit). According to the method, a personalized three-dimensional dynamic spine model is constructed based on CT image data of a user, and a mathematical model of the spine is established by fusing a physiological anatomical structure of the spine and a robot mechanism motion theory so as to accurately describe motion characteristics of the spine. An IMU (inertial measurement unit) sensor is adhered to a key part of the back of a user, an individualized spine model is driven by acquiring and processing IMU data in real time, real-time reconstruction of dynamic movement of the spine is realized, and space angles among vertebral sections of the spine are accurately calculated. The dynamic change of the spine in the movement process can be accurately captured, the movement posture of the spine can be deeply analyzed, and the movement effect of the spine can be accurately and visually tracked and quantified in real time.

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.

Systems and methods for providing an interbody implant are disclosed. According to some implementations, the implant includes an implant body having a cranial face and a caudal face disposed opposite the cranial face. In some implementations, the implant includes one or more primary fixation mechanisms, which in turn can include one or more anchor cavities defined by the implant body. In some cases, one or more anchors are configured to be housed at least partially within the anchor cavities in an undeployed position, and the anchors are configured to be translationally deployed to a deployed position in order to couple the implant to a bony endplate of a spinal vertebra. In some implementations, the implant includes one or more actuators configured to effectuate selective deployment of the anchors.

The utility model relates to the technical field of surgical instruments, in particular to a channel set for assisting endoscopic operation, which comprises a stabilizing ring, the left side surface of the stabilizing ring is fixedly connected with a first grip, the inner side wall of the stabilizing ring is provided with a protective sleeve, and the lower end surface of the protective sleeve is provided with a semicircular spine; the outer trephine body is installed in the protective sleeve, the lower end of the outer trephine body is fixedly connected with a connecting ring, and twelve sets of edged sawteeth are arranged on the lower surface of the connecting ring. A bone is sawed open through the edged sawteeth, then the barrel is inserted from the inner diameter of the endoscopic trephine body so that the internal condition can be observed, and then the bone grasping forceps are inserted from the inner diameter of the spine endoscope so that the cut tissue can be taken out. The whole cutting process of the edged sawteeth and the process that the bone grasping forceps take out the tissue are completed under observation of a spine endoscope, and the whole operation is convenient.

Systems and methods for providing an interbody implant are disclosed. According to some implementations, the implant includes an implant body having a cranial face and a caudal face disposed opposite the cranial face. In some implementations, the implant includes one or more primary fixation mechanisms, which in turn can include one or more anchor cavities defined by the implant body. In some cases, one or more anchors are configured to be housed at least partially within the anchor cavities in an undeployed position, and the anchors are configured to be translationally deployed to a deployed position in order to couple the implant to a bony endplate of a spinal vertebra. In some implementations, the implant includes one or more actuators configured to effectuate selective deployment of the anchors.

A patient-positioning system, and surgical componentry are provided. The patient-positioning system can be used to manipulate the patient prior to, during, and after surgery to globally or regionally articulate the patient's body to facilitate stabilization of the patient's spine. And the surgical componentry can be used to locally articulate the patient's body and / or the stabilize patient's spine. Surgical methods of using the patient-positioning system, and the surgical componentry for improving patient health outcomes are also provided.

The invention discloses a traction device for clinical use in the orthopedics department and a using method of the traction device, and relates to the technical field of medical assistion.The traction device comprises a supporting ring, a plurality of telescopic rods are fixedly arranged at the top of the supporting ring, a traction ring is fixedly arranged at the tops of the telescopic rods, and an air bag is arranged at the top of the traction ring; two buffer grooves are formed in the top of the supporting ring, and two air outlet grooves are formed in the side wall of the supporting ring. Through the arrangement of a trapezoidal block, two release springs and two L-shaped switching rods, a patient can quickly release traction by himself / herself, the safety is high, the operation is simple, convenient and quick, and through the arrangement of a buffer plate, a limiting sliding groove, a first one-way plate, a first torsional spring, a first connecting shaft, a second one-way plate, a second connecting shaft, a second torsional spring and a sealing plate, the safety of the patient is improved. Rapid contact traction is achieved when a patient feels uncomfortable, too fast collision and friction can be avoided during cervical vertebra reduction, and the spine safety of the patient is guaranteed.

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.

The invention relates to application of recognition site mutation of OCT4 in breeding of pig spine number and rib number. The recognition site of the OCT4 gene is at the 98095075bp position of the No.7 chromosome of a pig genome, the basic group is mutated from T to C, and the version number of the genome is Sscrofa11.1; during breeding, the number of spines and the number of ribs of offspring pigs are increased by reserving individuals with the genotype of the recognition site being CC and eliminating individuals with the genotype being TC or TT, the production performance of the bred pigs can be effectively improved, the pig strain with the character of the high number of spines and the number of ribs is obtained, and therefore the production performance of the pigs of the strain is improved, and the breeding cost is reduced. The genetic improvement progress and the breeding progress of the breeding pigs are accelerated.

The embodiment of the invention provides a spine segmentation method and device, equipment, a storage medium and a program product. The method comprises the following steps: acquiring a spine region image; for the two-dimensional slice image of the spine region image, performing feature extraction by using a pre-trained coding model to obtain a target slice embedding representation; inputting the target slice embedding representation into a pre-trained first decoding model for centrum key point detection to obtain point embedding representation of centrum key points contained in the spine region image; and inputting the target slice embedding representation and the point embedding representation into a pre-trained second decoding model for spine segmentation to obtain a spine mask. The method is used for achieving the effects of reducing the repeated image coding process, reducing the calculation overhead and improving the spine segmentation efficiency.

The invention relates to an application of an FOS gene in pig breeding for increasing pig spine number and rib number. The pig capable of increasing the number of spines and the number of ribs is an FOS gene knockout gene editing pig, the number of the FOS gene in an enmbl genome database is ENSSSCG00000002383, the preparation method of the gene editing pig comprises the steps that FOS gene knockout pig fibroblasts are prepared through a CRISPR-Cas9 technology, then the FOS gene knockout pig is produced through a somatic cell cloning technology, and the FOS gene knockout pig is obtained. And finally, selecting pigs with increased spine number and rib number from the FOS gene knockout pigs through phenotype identification. According to the method, the individual proportion of cloned pig fetuses with increased thoracolumbar vertebra number obtained by knocking out the FOS gene is 60%, it is proved that the FOS gene is a key gene influencing the thoracolumbar vertebra number on pig genetic breeding, and a gene edited pig with increased spine number and rib number can be obtained by knocking out the FOS gene, especially knocking out a second exon of the FOS gene.

The utility model belongs to the technical field of medical instruments, and particularly relates to a 3D printing expandable interbody fusion cage which comprises a fusion cage body, and the fusion cage body comprises a screw, a fixing pin, a transverse pin, a frame body, an upper base plate, a lower base plate and a supporting sliding block arranged between the upper base plate and the lower base plate. The distractable interbody fusion cage and intervertebral contact parts are manufactured by using a 3D printing technology, and three-dimensional porous structures similar to cancellous bone structures are designed on the surfaces of the upper base plate and the lower base plate, so that the fusion rate of the interbody fusion cage and the spine of a human body can be increased; meanwhile, the interbody fusion cage is simple in structure and convenient to operate, is implanted into the interbody space of the human body in a contracted state, is expanded in situ, can increase the contact area with an end plate and the bone chip filling space, can recover the forward convex curvature, has high biomechanical stability, is suitable for various lumbar degenerative diseases needing interbody fusion, and can be widely applied to the field of lumbar interbody fusion. The clinical treatment effect can be effectively improved.

1. The name of the design product: Spinal release device (balanced spine). 2. The use of the design product: Massage, physiotherapy for the spine. 3. The design points of the design product: In shape. 4. The picture or photo that best indicates the design points: Perspective drawing.

The utility model discloses a spine correction physiotherapy instrument, including bottom plate, fixed block, spring and caster, the top of bottom plate is provided with the chute, the bottom of fixed block is equipped with the slider, the slider is connected with the chute in a sliding way, the bottom of bottom plate at the chute side is welded with the fixed plate, the fixed plate is welded with the spring, and the caster is connected with the fixed plate. Two springs are symmetrically installed on the side, opposite to the fixing block, of the fixing plate, a supporting frame is welded to the side, away from the fixing plate, of the top of the bottom plate, a screw hole is formed in the top of the supporting frame, and a screw rod is in threaded connection with the inner wall of the screw hole. The fixing block slides in the sliding groove in the top of the bottom plate through the sliding block at the bottom, the upper body of a patient stretches and treats the spine along with movement of the fixing block, after the upper body moves to a proper position, the patient pulls the fixing block back through core force, the two springs pull the fixing block through self elastic force, and the effect of relieving pressure on the core and the back of the patient is achieved.

The invention relates to the technical field of spinal fracture treatment, in particular to a spinal fracture controllable expansion reset device which comprises a first insertion screw rod, a first locking bolt is arranged in the first insertion screw rod, and a middle connecting piece is arranged at the top of the first insertion screw rod. According to the spinal fracture controllable expanding and resetting device, by arranging the adjusting and locking assembly, a first insertion screw rod is screwed into the spine, then a second insertion screw rod can be pushed to rotate around a rotating shaft rod, and the angle of the second insertion screw rod needs to be adjusted according to a pointer and a scale ring plate when the second insertion screw rod is arranged at the initial position; the second insertion screw rod is inserted into the vertebral column, it is ensured that the second insertion screw rod is aligned with the bent vertebral column when placed into the vertebral column, after the second insertion screw rod is adjusted to the vertical direction, a locking screw rod and a nut need to be used for locking, and therefore the angle of the second insertion screw rod is locked, centrum reduction treatment is completed, spine fracture distraction reduction can be achieved in a posterior operation, the reduction effect is excellent, and practicability is high.

The present invention belongs to the technical field of medical image processing. The present invention discloses a two-step spinal X-ray image processing method based on single vertebral body segmentation, including step S1: using the YOLOv8 object detection model to identify the position of each single spinal vertebral body in the X-ray image and generate a single vertebral body target box; step S2: performing detailed segmentation within each detected single vertebral body target box to accurately outline the spinal contour; step S3: performing feature point recognition within the single vertebral body target box, using the YOLOv8POSE model to identify the key feature points of the vertebrae, further improving the accuracy of feature point recognition. The two-step spinal X-ray image processing method based on single vertebral body segmentation disclosed by the present invention imports the target box obtained by the YOLOv8POSE model into the U-Net network for segmentation, combines object detection and semantic segmentation, and improves the accuracy of spinal segmentation and the accuracy of recognition.

The utility model relates to the technical field of furniture, and discloses a multifunctional combined mattress which comprises a non-slip mat, a first mattress, a second mattress, a third mattress and a fourth mattress are sequentially installed on the top of the non-slip mat from front to back, shells are installed between the second mattress and the first mattress and between the second mattress and the third mattress, elastic fabric is fixedly connected to the tops of the shells, and the elastic fabric is arranged on the top of the non-slip mat. A fixing block is fixedly connected to the middle of the shell, a two-way threaded rod is rotationally connected to the middle of the fixing block, one end of the two-way threaded rod penetrates through the shell and is fixedly connected with a rotary knob, and a threaded block is in threaded connection to the periphery of the two-way threaded rod. According to the utility model, firstly, the knob is rotated to drive the bidirectional threaded rod to rotate, so that the two threaded blocks move at the same time, and the spring layer and the filling layer are jacked up through the inclined strut, so that the filling layer can support the cervical vertebra and the lumbar vertebra of people, and the spine of the filling layer keeps a correct physiological curve when people lie flat; the pressure on the spine in daily life is relieved.

Example rocker reducer instruments securely engage a receiver that is implanted in a vertebra of the spine and move a spinal fixation element, such as a rod, into a channel formed in the receiver. Example instruments pivot around their contact point with the receiver and a cross-pin or foot feature on the instrument makes contact with the spinal rod and applies a downward force to reduce the rod into the receiver. Further, example instruments can contain a stopping mechanism to limit the amount of compressing force applied to the receiver while maintaining the instrument in a rigid, closed position.

Disclosed are a method for creating a surgical training model, a surgical training model apparatus, a bone model, an article that emulates tissue of an animal musculoskeletal system, an article that emulates animal fat tissue, and an article that emulates animal skin tissue. One version of the method comprises placing a spinal vertebrae model in a cavity model that emulates an animal body cavity; forming a first layer on top of the vertebrae model, wherein the first layer emulates an animal muscle tissue; placing a second layer over the first layer, wherein the second layer emulates an animal fat tissue; and placing a third layer over the second layer, wherein the third layer emulates an animal skin tissue. The spinal vertebrae model can be 3D printed from a thermoplastic polymer and infiltrated with a foam into an interior space of the 3D printed spinal vertebrae model.

The application discloses a magnetic therapy mattress convex structure for cervical and lumbar vertebra regions and relates to the technical field of magnetic therapy mattresses. The magnetic therapy mattress convex structure comprises an outer frame and a mattress convex assembly assembled on the inner side of the outer frame. The mattress convex assembly comprises two groups of eccentric transmission wheel structures arranged oppositely, the eccentric transmission wheel structures generate wave arc motion with continuous undulation, and a plurality of spring magnet composite units are arranged on the eccentric transmission wheel structures. Each group of the spring magnet composite units is further provided with a convex module simulating a spinal process. The wave arc motion with continuous undulation generated by the eccentric transmission wheel structure can match the physiological curvature of the cervical and lumbar vertebrae of the human body, and can effectively prevent or improve the degenerative diseases of the cervical and lumbar vertebrae. Meanwhile, the spring magnet composite units are designed in an integrated mode, can integrate the dynamic magnetic therapy and the positioning physiotherapy function of the bionic convex module, and have a positive effect on improving the rehabilitation auxiliary treatment of the cervical and lumbar vertebra diseases.

The invention relates to a vertebral stabilization device comprising at least two screws, each having a first portion engaged in a vertebra and a second portion separated from the first by a flange. The device further comprises at least a first connection rod for connecting the screws, and at least a first securing assembly and a second securing assembly for securing the rod to the screws. Each securing assembly comprises at least one clip, which is able to be engaged on the second portion of one of the screws, said clip being arranged to clamp one end of the rod, and it comprises a nut designed to be screwed onto the second portion and clamp the clip directly or indirectly against the flange of the screw. Each securing assembly is designed to create at least one ball-and-socket joint connection between the clip and the second portion of the screw.

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 application relates to the technical field of measurement, and provides a spine data model construction method, which comprises the following steps: acquiring posture information and vertebra scan data of a detected person, obtaining reference information, obtaining a median plane of a vertebra based on the vertebra scan data, and then obtaining a reference vector of the vertebra, so that a spine data model of the detected person can be obtained based on the reference vectors of multiple vertebrae and the arrangement order of the vertebrae. Through the vertebra scan data and the posture information, a digital spine data model composed of the reference vectors of the vertebrae is finally obtained, which is convenient for medical staff or technicians to intuitively judge the spine state of the detected person, provides a basis for treatment or research, and solves the technical problems of low efficiency and high error rate in judging the spine state.

A vertebral facet distractor intended to be positioned between first and second articular facets in an articular facet joint to provide distraction between the first and second articular facets includes an elongated generally cylindrical contour including opposed top and bottom surfaces, an outer sidewall, an inner sidewall, and a central lumen that defines an opening in the bottom surface. The outer sidewall is provided with a surface irregularity to promote bone fusion when the vertebral facet distractor is positioned between the first and second articular facets in the articular facet joint.

The invention discloses a centrum reduction device for an orthopedic spinal operation, and relates to the centrum reduction technology, the centrum reduction device comprises a bearing base erected on one side of an operating bed, and moving guide wheels are arranged at four corners of the bottom surface of the bearing base; a positioning mechanism is arranged in the bearing base, and the positioning mechanism comprises a positioning sliding groove; wherein positioning raised lines are arranged on the top surface of the positioning touch plate at equal intervals, and the positioning touch plate drives the positioning raised lines to be attached to the bottom surface of the operating bed; a reset mechanism is arranged above the bearing base and comprises a longitudinal sliding frame and a transverse sliding frame. According to the centrum reduction device for the orthopedic spinal surgery, the bearing base drives the reduction mechanism to be erected on one side of the surgical bed, the situation that the rest surgical operations are affected by centrum reduction operation is avoided, meanwhile, the bearing base locked between the bearing base and the surgical bed improves the stability of the reduction operation, and the centrum reduction device is adaptive to different spine positions through transverse and longitudinal adjustment; and secondary nerve injury caused by centrum reduction is avoided.

The invention discloses an external fixing tool for vertebral column thoracolumbar vertebra total vertebral body osteotomy, and belongs to the technical field of medical instruments, the external fixing tool comprises an extension sleeve, one end, close to the vertebra, of the extension sleeve is connected with a temporary fixing rod through a fixing rod holding device, and the other end of the extension sleeve is provided with an upper opening connector and a side opening connector; the upper opening connector and the side opening connector are connected in series with the connecting rod; the fixing tool is fixed through the fixing rod, the stability of the relative position of adjacent vertebral bodies in the vertebral body excision process is guaranteed, nerve injury is avoided, the fixing effect is good, various forms of combinations can be conducted according to the spine malformation degree of a patient, and application is wide; the spinal column thoracolumbar vertebra whole vertebral body osteotomy fixing device can be used for fixing spinal column thoracolumbar vertebra whole vertebral body osteotomy and can assist in spinal column multi-plane orthopedic operation after vertebral body excision.