142 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 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 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.

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.

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 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.

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.

This invention relates to the field of biomimetic teaching aids, and proposes a quadrupedal vertebrate biomimetic teaching aid, comprising a spine unit, a tail component, and a head component. The spine unit includes a connecting plate, a rotating plate, rotating rods, and connecting shafts. The two ends of the rotating rods are rotatably connected to the connecting plate and the rotating plate, respectively. Three rotating rods located on the same side of the connecting plate are of equal length and arranged in a triangular parallel configuration. The two connecting shafts can drive the tail component and the head component to shake. By setting up the connecting plate, rotating plate, rotating rods, and connecting shafts, and utilizing their mutual cooperation, this invention not only allows for adjustment of the axial distance between the two connecting shafts according to actual needs to meet the positional requirements of the biomimetic animal, but also allows the other connecting shaft to rotate synchronously when one is rotated, thereby shaking the head component and tail component separately. This enriches the morphological variations of the biomimetic teaching aid and enhances its teaching and demonstration effects.

1. Name of the product in this design: Spinal curvature corrector (eqjz001). 2. Purpose of this design: For the correction of curvature of the cervical, thoracic, and lumbar vertebrae. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The present application relates to a kind of implantable fixation device and method for mouse spinal cord administration, the device includes: catheter assembly, which includes sleeve, injection inner tube and locking nut, the catheter assembly is used to carry out fixed-point infusion in spinal cord parenchyma by the bone hole opened on vertebral vertebra;Vertebra fixation assembly, which includes two V-shaped supports for clamping and fixing on the two sides of the outer periphery of vertebra;And bonding reinforcement system, which includes the initial solid seal layer formed by adhesive to realize the sealing between bone hole and catheter assembly and the structural holding adhesive resin layer formed by resin to realize the fixation between vertebra fixation subassembly and vertebra.The present application designs special vertebra fixation assembly: V-shaped support, and is combined with "biological glue preliminary adhesion" and "dental cement overall wrapping", and constructs a multi-level, rigid-flexible combined "sandwich fixation" composite fixation system.

The application discloses a kind of construction methods and applications of spinal key point positioning model, belong to image processing technical field;The application constructs a kind of model from coarse to fine according to the order from root node to vertebral center point to corner point, the whole model uses the average key point information collected in advance to ensure the topological structure of spinal key point positioning result, while the key point positioning process is guided by point, first align a root node can let the center of whole spine align, so that the approximate center point area of the spinal scoliosis image of various conditions can be aligned first, then further corner positioning is carried out, so as to reduce the positioning error generated by the average center point position deviation from the position area of spinal vertebra in some scoliosis conditions;At the same time, each positioning module includes a positioning unit, and the interpolation of the feature map is differentiable, so that end-to-end training of the whole model becomes possible, and the spinal key points can be accurately positioned.

The invention relates to a spreading device (1) for maintaining a predetermined distance between adjacent spinous processes (21, 22) of a vertebral body, comprising a threaded section (3) having a first end element (310) arranged on a first end section (31) for interlocking contact with a first spinous process (21) of a vertebral body, a second end element (320) arranged on a second end section (32) opposite the first end section (31) for interlocking contact with a second spinous process (22) of a vertebral body, and a screw (4) for adjusting a distance between the first and second end elements (310, 320), in order to brace the first and second end element (310, 320) against the first and second spinous process (21, 22) such that the contacting end elements (310), 320) are clamped.

Described herein are various implementations of systems and methods for accessing and modulating tissue (for example, systems and methods for accessing and ablating nerves or other tissue within or surrounding a vertebral body to treat chronic lower back pain). Assessment of vertebral endplate degeneration or defects (e.g., pre-Modic changes) to facilitate identification of treatment sites and protocols are also provided in several embodiments. Several embodiments comprise the use of biomarkers to confirm or otherwise assess ablation, pain relief, efficacy of treatment, etc. Some embodiments include robotic elements for, as an example, facilitating robotically-controlled access, navigation, imaging, and / or treatment.

The present disclosure relates to a medical instrument (2) for positioning a pedicle screw (100) for vertebral manipulation, comprising a housing (4) and a coupling unit (6) received on the housing (4), which is movable in a distal-proximal direction of the instrument (2) relative to the housing (4) and has a proximal base (8) and two opposing coupling arms (10) extending distally away from the base (8), each of which has a latching structure (12) for releasably engaging a counter-latching structure of the pedicle screw (100), wherein the instrument has a ramp structure (14, 30) along which the coupling arms (10) are displaced in a medial-lateral direction of the instrument (2) upon distal movement of the coupling unit (4) to release the latching engagement.

The utility model discloses a kind of turning-over pillow facilitating adjustment of spinal curvature, to solve the problem that existing turning-over pillow cannot accurately match different segment spinal natural curve, leading to unstable problem when postoperative patient of spinal column turns over;The turning-over pillow includes turning-over pillow structure, and its turning-over pillow main body inside corresponding human spine position is inclined and multiple electric push rods are distributed along linear array, electric push rod output rod side is connected by multiple groups of universal shaft linearly, and is controlled by electric control module of turning-over pillow main body corner, electric control module is also connected air pump, air pump is communicated with air bag in the bottom of turning-over pillow main body by pipeline, and air bag is equipped with spacer and pipe groove in turning-over pillow main body;By electric push rod and universal shaft cooperation, each segment curvature of spinal column can be accurately adapted, air bag assists adjusting turning-over angle and adapting human body, pipe groove and spacer guarantee smooth drainage and comfortable use, suitable for the rehabilitation nursing of postoperative patient of spinal column.

An assembly for correcting spinal deformities may include at least lateral rods extending across adjacent vertebrae to be retained at either end by pedicle screws. A cross-coupler may be coupled to each lateral rod, and a longitudinal rod may run along the spine and be coupled to the lateral rods by the cross-couplers. The assembly may be used to correct spinal deformities by manipulating the pedicle screws or cross-couplers to rotate about the lateral rods or the longitudinal rod.

The invention discloses a dynamic force adjusting scoliosis orthosis, and relates to the technical field of medical instruments. Comprising a right upper end attaching piece, a left upper end attaching piece is arranged on one side of the right upper end attaching piece, a waist attaching piece is arranged at the top of the right upper end attaching piece and the top of the left upper end attaching piece, a fixing assembly is arranged between the right upper end attaching piece and the left upper end attaching piece, and connecting assemblies are arranged on the two sides of the fixing assembly. The fixing assembly comprises two connecting blocks. According to the spine bending correction device, by arranging the force adjusting assemblies, the corresponding attaching pieces can be adjusted through the corresponding force adjusting assemblies according to actual needs, meanwhile, limitation on the limiting columns is relieved, all the attaching pieces are limited, and force adjustment can be flexibly and accurately conducted on all the attaching pieces so as to adapt to correction of spine bending at different positions.

The invention belongs to the technical field of spinal operation brackets, and particularly discloses a spinal operation bracket device for neurosurgery, which is provided with a body position pad, the body position pad is used for supporting the body position of a patient, the body position pad is provided with at least one group of adjusting pads, and each adjusting pad comprises an adjusting assembly and a supporting assembly. The adjusting assembly comprises a cam shaft assembly, a guide rail and a sliding block, the supporting assembly comprises a plurality of base bodies and a plurality of sets of auxiliary supporting pieces, the multiple sets of auxiliary supporting pieces are arranged in mounting grooves between every two adjacent base bodies in a one-to-one correspondence mode, each set of auxiliary supporting piece comprises a lifting mechanism, a driving mechanism and a plate body, and the output end is connected with a driving shaft; the driving mechanism converts sliding linear motion of the base bodies into rotation and drives the driving shaft to rotate through the output end, and after the base bodies slide, the plate bodies rise along with the telescopic ends to be located in the gaps between the two adjacent base bodies. The problem that an existing single cushion body only adjusts the distance but cannot adapt to individual spine characteristics is thoroughly solved.

The utility model discloses a vertebral plate drag hook for spinal surgery, which relates to the technical field of medical instruments and comprises a mounting plate, an observation groove is arranged on the inner wall of the mounting plate, a circular groove is arranged on the inner wall of the mounting plate, an adjusting mechanism is arranged on the outer wall of the mounting plate and comprises a joint shaft, and the joint shaft is connected with the observation groove and the circular groove. Through the arrangement of the threaded rod, the sliding rod can be extruded when the drag hook is inserted, then the sliding rod can extrude the pressure spring, the pressure spring can extrude the sliding rod after the drag hook is inserted into a fixed position, and the sliding rod is pressed by the joint shaft after the drag hook is inserted into the fixed position. Then the sliding rod is inserted into the positioning groove from the circular groove to prevent the drag hook from automatically sliding, then the threaded rod is rotated, the threaded rod drives the fixing block to move when rotating, the multi-applicability is achieved, the proper drag hook can be adjusted according to different bone sizes, the situation that the drag hook is too large to affect an operation is avoided, meanwhile, the drag hook is convenient to replace, and the working efficiency is improved.

The invention relates to a spine osteotomy guide plate which comprises a first body, a second body, a plurality of first osteotomy guide needles and a plurality of second osteotomy guide needles, the first body is provided with a first osteotomy guide face, the second body is provided with a second osteotomy guide face, and the first osteotomy guide face and the second osteotomy guide face are used for osteotomy guide of a spine posterior column; the plurality of first osteotomy guide needles are detachably connected to the first body, extend along the first osteotomy guide surface and are used for increasing the guide distance of the first osteotomy guide surface; the plurality of second osteotomy guide needles are detachably connected to the second body, extend along the second osteotomy guide surface and are used for increasing the guide distance of the second osteotomy guide surface; wherein the first osteotomy guide needle and the second osteotomy guide needle both extend to the cortical bone position of the anterior column of the spine and are used for osteotomy guide of the anterior column of the spine.

The utility model discloses a dinosaur fossil assembly steel frame structure, and relates to the technical field of steel frame structures, the dinosaur fossil assembly steel frame structure comprises a T-shaped spine steel beam with a T-shaped cross section, the T-shaped spine steel beam comprises a cervical vertebra arc-shaped supporting steel plate, a dorsal vertebra arc-shaped supporting steel plate, a dorsal vertebra arc-shaped supporting steel plate and a caudal vertebra arc-shaped supporting steel plate, the caudal vertebra arc-shaped supporting steel plate is composed of three sections, namely the cervical vertebra arc-shaped supporting steel plate, the dorsal vertebra arc-shaped supporting steel plate, the cervical vertebra arc-shaped supporting steel plate and the caudal vertebra arc-shaped supporting steel plate, the two sections of dorsal vertebra arc-shaped supporting steel plates and the three sections of caudal vertebra arc-shaped supporting steel plates are connected through connecting pieces. Spine bolt movable buckles which are evenly distributed are welded to one side of the upper side of the T-shaped spine steel beam, a spine fixing buckle is welded to the other side of the upper side of the T-shaped spine steel beam, the spine bolt movable buckles and the spine fixing buckle are used in cooperation, stability of the dinosaur fossil can be guaranteed, and meanwhile assembling is convenient.