398 results about "Vertebral body" patented technology

Minimally-invasive spinal surgery methods, devices, and systems for advancing a spinal implant through an oblique anterolateral retroperitoneal operative corridor to an intervertebral disc space located between the L5 and S1 vertebral bodies of a subject positioned in a lateral decubitus position are described. An example spinal implant system includes a retractor sized and shaped to establish at least a portion of the oblique anterolateral retroperitoneal operative corridor, a spinal implant sized and shaped to pass between the first and second unitary retractor blades of the retractor in connection with the spinal implant being introduced into the intervertebral disc space via the oblique anterolateral retroperitoneal operative corridor, and an introducer instrument configured to pass between the first and second unitary retractor blades of the retractor in connection with the introducer instrument introducing the spinal implant into the intervertebral disc space via the oblique anterolateral retroperitoneal operative corridor.

The invention discloses an image processing method and device, a storage medium and electronic equipment, and the method comprises the steps: obtaining to-be-processed three-dimensional medical image data, carrying out the spinal segmentation of a spinal region in the three-dimensional medical image data, and obtaining vertebral mask data; and performing cone identification processing on the cone mask data to obtain a target end cone mask corresponding to the Cobb angle, constructing a space vector model for the target end cone based on the target end cone mask, and determining a Cobb angle value for the target end cone based on the space vector model. According to the method, the Cobb angle is calculated by introducing space vector modeling, so that the measurement error of measurement of the Cobb angle can be remarkably reduced, and the accuracy of measurement of the Cobb angle is improved.

The utility model discloses a detachable bone drill for centrum forming. The detachable bone drill comprises a handle, a drill rod and a limiting piece. Wherein the handle is provided with a mounting groove, the handle is further provided with a first limiting hole, and the first limiting hole is communicated with the mounting groove; the drill rod comprises a drill bit, a drill rod main body and a fixing part which are integrally connected, the drill bit is used for cone drilling, the fixing part is detachably mounted in the mounting groove and provided with a limiting structure, the limiting structure is used for limiting rotation of the fixing part relative to the handle, and the limiting piece is detachably mounted in the first limiting hole; the limiting piece is used for limiting the fixing part to move in the first direction relative to the handle. According to the detachable bone drill for centrum forming, the handle and the drill rod can be conveniently assembled and disassembled, only the drill rod needs to be scrapped, and the handle can be repeatedly used, so that the difficulty of a scrap treatment process and the cost of scrap treatment are reduced, and the production cost is saved; rotation or movement of the drill rod is limited through the limiting structure and the limiting piece, and therefore the cone drilling effect is guaranteed.

A system and method for predicting spinal motion and vertebral locations and movement in surgeries through training and using predictive models generated using biomedical profiles of patient spines and surgical patient-specific features. A trained predictive model is used in combination with patient-specific features associated with a surgical patient such that during a real-time surgery the patient-specific features are provided to the trained predictive model and a segmental motion model is created. Using this real-time surgical data and interoperative data, the trained predictive model is updated which then used for updating the segmental motion model such that the updated segmental motion model may be used for producing a series of vertebral location predictions specific to movements and location of the spine of the surgical patient that may be provided to a surgical guidance system for use in performing the real-time surgery in accordance with a surgical plan.

The invention relates to a spinal degenerative disease grading early warning and rehabilitation management system and method, and belongs to the technical field of medical equipment. The system comprises a system control module, a first-stage detection module, a second-stage detection module, a third-stage detection module, a data processing module, an evaluation module and a rehabilitation management module. The first-stage detection module is used for acquiring foot pressure distribution data of a patient; the secondary detection module collects electromyographic signal data of muscles around the spine of the patient; the third-stage detection module is used for collecting vertebral bone mineral density data of the patient. The data processing module is used for preprocessing and analyzing the collected data; the evaluation module is used for carrying out grading evaluation on the spinal degenerative lesion; and the rehabilitation management module formulates a personalized rehabilitation scheme according to the evaluation result. The system adopts a logic mechanism of hierarchical detection and hierarchical intervention, automatically adjusts intervention measures according to different evaluation indexes, and realizes accurate rehabilitation management. The risk of spinal degenerative diseases is found in an early stage, a targeted rehabilitation scheme is provided, and spinal diseases are effectively prevented and managed.

The invention provides a scoliosis X-ray image enhancement processing method, relates to the field of image enhancement, and introduces a bone shadow edge intensity modulation factor, constructs gray scale bone shadow dynamic contrast mapping, and realizes preliminary enhancement of a scoliosis X-ray image; extracting a centrum center point sequence on the centerline of the spine, introducing a parameter curvature, and constructing an abnormal gravity kernel function to enhance significant focusing of a high-curvature region and smooth suppression of a low-curvature region in the scoliosis X-ray image; according to the method, centrum distribution density mapping is established, a multi-scale attention response map is constructed, a multi-scale fusion weight is introduced, the multi-scale attention response map and a curvature guide saliency map are fused, and an enhanced scoliosis X-ray image is obtained, so that centrum edges, abnormal bending and density mutation regions are clearer, and clinical readability and diagnosis precision are improved.

The invention discloses a teenager scoliosis eight-section brocade guide massage system and a personalized training method, and relates to the technical field of medical rehabilitation. The system comprises a lateral bending parting evaluation module which measures a Cobb angle and a centrum rotation angle through a 3D spine scanner and detects a muscle tension difference through a surface myoelectricity collector; the eight-section brocade improved action library is used for storing asymmetric improved actions aiming at a right chest bend, a left waist bend and an S-shaped bend, the action angle of the concave side is increased by 5-30 degrees, and the action angle of the convex side is correspondingly reduced; the directional massage auxiliary unit is provided with a pressure silicon controlled rubber massage head, the convex side is released by adopting an 8-10 Newton rolling method, and the concave side is activated by adopting a 3-5 Newton point pressing method; and the intelligent motion correction module monitors spinal motion in real time through five inertial measurement units, and provides voice vibration feedback when the deviation exceeds a threshold value. The training method adopts a progressive scheme, is implemented in stages according to the size of a Cobb angle, and comprehensively intervenes through'massage release-guide correction-acupoint activation '.

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.

An interbody device (100) for a surgical procedure having an outer body (164) made of a radiopaque material (160) and an insertion portion (116) having a first width at a first end of the insertion portion (116) that is less than a second width at a second end of the insertion portion (116). The insertion portion (116) configured for entering into a disc space (123) and the interbody device (100) including a top surface (124) having a convex shape.

A multi-portal method for treating a subject’s spine includes distracting adjacent vertebrae using a distraction instrument positioned at a first entrance along the subject to enlarge an intervertebral space between the adjacent vertebrae. An interbody fusion implant can be delivered into the enlarged intervertebral space. The interbody fusion implant can be positioned directly between vertebral bodies of the adjacent vertebrae while endoscopically viewing the interbody fusion implant using an endoscopic instrument. The patient’s spine can be visualized using endoscopic techniques to view, for example, the spine, tissue, instruments and implants before, during, and after implantation, or the like. The visualization can help a physician throughout the surgical procedure to improve patient outcome.

A two-stage intervertebral implant comprises an expandable cage comprising a pivot connecting upper and lower bodies, a first expansion mechanism, such as a wedge, configured to pivot the upper body and the lower body at the pivot point in a first stage, and a second expansion mechanism, such as a toggle joint, configured to pivot the upper body and the lower body at the pivot point in a second stage beyond the first stage. A method of implanting an implant comprises inserting the implant into anatomy, the implant comprising a first component rotatably coupled to a second component at a pivot point, operating a first expansion mechanism to rotate the implant at the pivot point to expand the implant to a first level, and operating a second expansion mechanism to rotate the implant at the pivot point from the first level to a second level.

The utility model relates to multifunctional lumbar vertebra correcting equipment which comprises a correcting bed and two multi-axis mechanical arms arranged above the correcting bed. A chiropractic gun is arranged at the free end of at least one of the two multi-axis mechanical arms; the correction bed comprises a bed frame, and a headrest cushion, a trunk supporting cushion, a hip supporting cushion and a lower limb supporting cushion which are sequentially arranged at the top of the bed frame in the front-back direction; the bed frame is provided with two first driving mechanisms for respectively driving the trunk supporting pad and the lower limb supporting pad to horizontally and relatively rotate; the headrest cushion is arranged on the trunk supporting cushion, and positioning grooves for positioning the hip supporting cushion are formed in the upper surfaces of the adjacent ends of the trunk supporting cushion and the lower limb supporting cushion; in the treatment process, the multi-axis mechanical arm can replace the arm of a bonesetting person to press and correct the lumbar vertebra of the patient, the burden of the arm of a technician can be greatly relieved, and the acting force applied to the body of the patient every time is more accurate and stable.

In some embodiments, a spinal implant (10, 110, 210, 310, 400) is provided and includes a body portion defining a longitudinal axis. The body portion includes a distal end portion, a proximal end portion, opposed side surfaces that extend between the distal and proximal end portions, and top and bottom surfaces configured and adapted to engage vertebral bodies. The top and bottom surfaces have a surface roughness between 3-4 μm. A cavity extends through the top and bottom surfaces defining a surface area that is at least 25% of a surface area of the top surface or the bottom surface. First orifices (24, 124, 224, 324, 426a) are defined through the top surface and second orifices (34, 134, 234, 334, 426b) are defined through the bottom surface. The second orifices are connected to the first orifices by a plurality of channels.

Provided is a system that is capable of easily placing an interbody spacer accurately in a predetermined position between vertebral bodies using the PLIF procedure, even in a narrow surgical field. The system has an interbody spacer including a pair of contact surfaces to be in contact with vertebral bodies, a ventral surface which is a side surface on a ventral side having a convex shape in plan view and which connects the pair of contact surfaces on the ventral side, a ventral groove formed along the curved direction on the ventral surface, and an interbody spacer engagement portion having a radius of curvature smaller than a radius of curvature of the ventral surface, formed on a bottom surface of the ventral groove. The system has a guiding tool for guiding the interbody spacer to a predetermined position between the vertebral bodies, the guiding tool including a guide rail to be fitted into the interbody spacer engagement portion on a distal end side, a handle portion to be grasped by the surgeon outside the patient's body on a proximal end side, and a guide rail engagement portion on a distal side of the guide rail having a radius of curvature in plan view which is the same as the radius of curvature of the interbody spacer engagement portion in plan view.

The utility model relates to a relax training kit, include: support frame (1) is supported on ground, human body support frame (2) is supported on support frame (1), and can be in support frame overturn, realize driving training personnel to form the inverted state and carry out the vertebra body traction training, support frame (1) is equipped with support limiting rod (3), is used for limiting the initial position and overturning range of human body support frame (2), the length of human body support frame (2) is adjustable. According to the scheme of the utility model, the utility model can realize the overturning of training personnel and thus realize the traction training to the vertebra body. In the process of traction training, training personnel can be stably and firmly supported on the instrument, and there is no risk of falling off. Moreover, the overturning range of training personnel is controlled, and training personnel can quickly leave the instrument according to their own wishes, ensuring the efficiency and safety of training.

An expandable prosthetic implant for engagement between vertebrae includes a first member having a first end, a second end, a plurality of extensions and a hollow interior portion extending from the first end to the second end, wherein the plurality of extensions extend from the first end to the second end. A second member includes a first end, a second end, a hollow interior portion extending from the first end to the second end, and a plurality of extensions extending from the second end to the first end. The plurality extensions of the first member are configured to coaxially interdigitate with the second member, and the plurality of extensions of the second member are configured to coaxially interdigitate with the first member. The first member of the implant is moveable relative to the second member along a longitudinal axis.

The invention relates to the technical field of data processing, in particular to a spinal disease intelligent confirmation method, device and equipment, and the method comprises the steps: firstly constructing a multi-modal spatio-temporal data set fusing a static structure, a dynamic function and clinical data, and carrying out the standardization processing; the method comprises the steps that firstly, through a pre-trained HMC-VSPF heterogeneous modal collaborative awareness and centrum sequence conduction fusion network, quantitative prediction of symptom severity is achieved, the contribution degree of structural lesions and dysfunction to symptoms is quantified, finally, through unsupervised clustering fused with biomechanical constraints, intelligent typing of pathogenic modes is achieved, and the probability of pathopoiesis is lowered. And an individualized diagnosis and treatment data product is generated through three-level quality control. Through multi-modal data deep fusion, causal mechanism analysis and intelligent typing, the diagnosis and treatment accuracy and interpretability are improved, individualized precise diagnosis and treatment of spinal diseases are achieved, and a quantitative basis is provided for clinical decision making.

The application discloses an X-ray scanning imaging method based on an X-ray flat panel array, relates to the technical field of scanning imaging, and breaks through the traditional dose constraint by simulating high dose noise characteristics in a projection domain based on virtual dose enhancement; based on dynamic registration of bone probability weighting, the method eliminates the blurred edge of a vertebral body caused by respiratory displacement without the need of external sensors or patient cooperation; by means of an iterative weight shrinkage mechanism, a weighted total variation model can inhibit soft tissue noise while preserving micron-level features such as bone trabeculae, and over-smoothing distortion is avoided; frame frequency control in a respiratory phase is self-adaptive, compatible with existing flat hardware, and can directly upgrade existing equipment, thereby reducing hospital procurement costs.

The invention relates to the technical field of poultry determination, and provides a vertebra body size character determination method and device.The method comprises the steps that a three-dimensional CT image of poultry is obtained, and the three-dimensional CT image is segmented into a plurality of two-dimensional cross section images along the Z axis; wherein each two-dimensional cross section image is divided into a corresponding Z-axis index number; for each two-dimensional cross section image, obtaining a target two-dimensional cross section image marked with a target vertebra detection frame by using a target vertebra detection model; and determining the body size character of a target vertebra according to the target vertebra detection frame and the Z-axis index number of the target two-dimensional cross section image. According to the method, through combination of three-dimensional CT imaging layering processing and the Z-axis index number, accurate association between the two-dimensional image and the three-dimensional space position is established, and through combination of accurate positioning of the target vertebra detection model, the accuracy of vertebra body size character measurement of a lossless living body is improved.

The invention relates to a system comprising an anterior cervical plate (10) with receiving openings (12) for bone screws and a locking mechanism for inserted bone screws that are screwed to a vertebral body and press the cervical plate against the vertebral body. The locking mechanism has a plate-like locking body which is moveably held on the cervical plate and can be moved from a position in which it leaves a receiving opening as freely accessible as possible into a locking position in which the screw head lying in the receiving opening is covered by the locking body and thus the migration of the screw out of the cervical plate is prevented. In order to provide maximum flexibility in the design of the cervical plate while maintaining a high degree of security against loosening of the bone screws and being easy to operate, the locking body is formed by a thin disc (16) which is fixed to the anterior cervical plate so as to be rotatable about an axis of rotation substantially perpendicular to the cervical plate (10) and which has, angularly distributed over the circumference, at least one locking arm (18-1, 18-2) and a support portion (20) lying in the disc plane, which snaps into a catch position via a rotation of the disc (16) about a predetermined angle of rotation (WD), and can be removed again via a counter-rotation of the disc (16).

The present invention relates to an intervertebral implant and the device and system comprising the same. The intervertebral implant comprises: a core part having at least one hole on its surface, with at least one working hole; an outer shell, at least partially covering the core part, including a top and a bottom, with the bottom having an opening; and a mesh configured between the outer shell and the core part, surrounding the exterior of the core part; wherein the working hole corresponds to the opening. The advantage of the present invention is that: the mesh structure can expand in intervertebral space when infused with fusion materials and conform to the vertebral bodies, thereby enhancing the contact area to endplates and improving the success rate of fusion. At the same time, the mesh structure can be protected from damage during insertion. In addition, the intervertebral implant of the present invention can be inserted between the vertebral bodies more easily and can provide more effective support, thereby improving the stability of implant and the likelihood of successful fusion.

The application provides a scoliosis comprehensive angle detection method, device, medium, program product and terminal. First, a spine orthotopic X-ray image is acquired, then a target detection algorithm is used to automatically identify and locate the spine, pelvis and chest cavity region, and corresponding images are generated. Next, a key point detection operation is performed to generate a plurality of vertebral angle point coordinates, thoracic key points and left and right iliac crest top points. Finally, the scoliosis comprehensive angle is measured by synthesizing the data. The problem that the prior art mainly focuses on the local inclination of the spine without fully considering the overall inclination relationship between the spine and the pelvis, thereby affecting the comprehensive assessment of the scoliosis condition, is effectively solved. The automation processing is realized, the measurement accuracy and consistency are improved, the human error is significantly reduced, the medical work efficiency is improved, and the burden of doctors is reduced.

The utility model relates to a kind of feeding cylinder, and the feeding cylinder includes cylinder, vertebral body assembly and metal connecting rod, vertebral body assembly includes integrally-formed vertebral body and inner layer sleeve, vertebral body is arranged at the lower end opening of cylinder, and the lower end of inner layer sleeve is connected with the upper end of vertebral body by rising or falling to block or open the lower end opening of cylinder;When vertebral body blocks the lower end opening of cylinder, the outer periphery of the part of metal connecting rod that extends into cylinder is surrounded by inner layer sleeve.Adopting the scheme, by setting integrally-formed vertebral body and inner layer sleeve, and vertebral body and inner layer sleeve are sleeved on the outside of metal connecting rod, relative to the gap between the protective sleeve outside metal connecting rod and vertebral body in prior art causes the problem of material jamming or damage, the scheme is by integrally-formed vertebral body assembly, by the wrapping of integrally-formed vertebral body assembly, effectively avoid that metal connecting rod is exposed, and also can avoid the gap between vertebral body, avoid the problem of material jamming.

The utility model relates to the intervertebral fusion cage technical field discloses a kind of anti-drop intervertebral fusion cage. To solve the stress shielding problem in the actual use of conventional intervertebral fusion cage in prior art, and porosity is lower, fusion rate is low after operation;Lack of bone integration channel, the technical problem of low fusion rate after operation. The utility model includes support frame, at least two bone graft channels are arranged on support frame, to fill bone induction material and promote bone growth;Support frame end is provided with clamping groove;Support frame includes edge support part, and edge support part is connected by porous structure between;The porosity of porous structure gradually changes from small to large by the direction close to far from vertebral body, and presents gradient distribution. The utility model effectively balances the problem of insufficient porous structure strength, and the problem of too large solid structure quality, and the porosity of porous structure is large, has more bone integration channel, is conducive to the growth of bone cell, and can effectively improve bone growth rate.

This invention provides a method, device, medium, and program product for spinal segmentation, relating to the field of intelligent healthcare. The method includes: acquiring a three-dimensional CT image of the spine; segmenting the three-dimensional CT image to obtain an N-value mask image of the entire vertebral column; cropping individual vertebrae from the N-value mask image of the entire vertebral column to obtain N-value mask images where adjacent individual vertebrae are not connected; locating the centroid of each individual vertebra in the N-value mask images where adjacent individual vertebrae are not connected to obtain an image with the located centroid; and segmenting an image of a single vertebra corresponding to the single centroid from the image with the located centroid as the center. This application reduces the difficulty of segmenting the entire vertebral column and improves the segmentation accuracy by first coarsely locating the spinal region and then finely locating different vertebral regions for segmentation.

A surgical wire is part of a system that includes a retractor blade defining one or more paths for the surgical wire to follow. The paths can be one or more openings, cannulations, paths, tubes, other structures, or combinations thereof. The surgical wire can be routed through the front, back, and / or middle of the retractor blade and into a vertebral body. The surgical wire can be routed through a shim in communication with the retractor blade and into a vertebral body Systems and methods are used to insert surgical wires into bone. Systems and methods are used for removing surgical wires from bone. Systems include those for gripping and pulling or pushing surgical wires. Systems include those that interact with a retractor (e.g., an arm, body, or blade thereof) to facilitate removal of the surgical wire.

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 discloses a CT-based intelligent diagnostic method and system for osteoporosis, belonging to the field of medical imaging diagnostic technology. It includes using a deep learning model to locate the lumbar spine region in abdominal or thoracic CT images; digitally modeling the vertebral morphology and internal structure; and automating the diagnosis of osteoporosis. This invention achieves fully automated localization, precise segmentation, and intelligent osteoporosis diagnosis of the lumbar spine region from routine abdominal or thoracic CT images, significantly improving diagnostic accuracy and efficiency. It overcomes the problems of high subjectivity and poor repeatability caused by traditional methods relying on manual delineation or simple threshold segmentation. It can be directly applied to routine clinical CT data, facilitating large-scale osteoporosis screening and early intervention, and has significant clinical application value and technological advancement value.

The invention provides a distracting screw with an adjustable centrum reduction angle, and belongs to the field of medical instruments. Comprising a screw body, the outer surface of the front end of the screw body is fixedly connected with a second ball, the outer side of the second ball is provided with a rotating assembly, the rotating assembly comprises a first ball rotationally connected with the outer surface of the second ball, the front side of the outer surface of the first ball is fixedly connected with a screw tail, and the inner side of the screw tail is in threaded connection with an ejector rod; a contact plate is fixed to the side, close to the second ball body, of the outer surface of the ejector rod, and anti-skid lines are arranged on the outer surface of the contact plate. By arranging the rotating assembly, a part of a ball wraps the outer side of a second ball so that the second ball can be rotationally supported, the angle of a screw body can be flexibly adjusted, then the flexibility and convenience of the screw in the using process can be effectively improved, the vertebral body can be fixed and reset at different angles, and the use effect is improved. The application effect of the screw can be improved, and the centrum reduction precision can be effectively improved.