148 results about "Deformity" patented technology

Embodiments include example systems, methods, and computer-accessible mediums for analysis of anatomical images for assessment of stenosis and disc degeneration. In some embodiments, systems, devices, and methods described herein include selecting a region of interest (ROI) in a three-dimensional (3D) volume of image data of a plurality of vertebra of a spine, identifying one or more anatomical parts in the ROI, determining one or more parameters of the one or more anatomical parts, and assessing a severity of a spinal deformity based on the one or more parameters.

The invention relates to the technical field of maxillofacial deformity treatment, and discloses a maxillofacial deformity orthognathic post-operation follow-up visit system and method, the system comprises an image analysis model and a follow-up visit evaluation model, the image analysis model carries out multi-dimensional feature fusion processing on post-operation initial data, and the data comprises three-dimensional bone seam, occlusion function, soft tissue distribution and other feature data; and the follow-up assessment model performs dynamic interference suppression processing on the real-time physiological data stream and then inputs the feature generation layer to simulate a recovery track so as to generate a follow-up assessment instruction. The feature generation layer comprises an image preprocessing module and a dynamic feature generation module, and the dynamic feature generation module is obtained through combined training of multi-type historical postoperative data and real-time physiological parameters and comprises a feature analysis layer, a feature correction layer and an instruction triggering layer. According to the method, the system is applied, and multi-dimensional and intelligent follow-up assessment of postoperative recovery is achieved. According to the method, the accuracy and the real-time performance of follow-up visit are improved, and effective support is provided for postoperative recovery monitoring and intervention.

The invention relates to a method for screening foot spine deformity of children and adolescents based on artificial intelligence and computer vision technologies. The method comprises the following steps: firstly, acquiring foot three-dimensional data of children and teenagers, and constructing a three-dimensional foot spine model based on the data; thirdly, processing the data of the three-dimensional foot spine model to obtain key geometric features; and calculating a malformation index by using a specific formula according to the characteristics, comparing the malformation index with a normal parameter threshold range, and marking the characteristic value as a potential malformation characteristic value if the threshold value is exceeded. And then, inputting the potential malformation characteristic value into a three-dimensional convolutional neural network to obtain a malformation type classification label. And generating a deformity degree score value by means of a clustering algorithm according to the label. And finally, inputting the score value into a trained three-dimensional foot ridge model to obtain a foot suggestion report comprising targeted suggestions. According to the method, the potential features of the foot spine deformity can be identified more accurately, the screening accuracy is greatly improved, the screening efficiency is effectively improved, and a personalized correction scheme can be formulated.

Instruments, devices, systems and methods for maintaining, correcting and / or fusing joint deformities are disclosed. Guide systems including an alignment block and a cut guide removably coupled to the alignment block. Osteotomy guides including an alignment block and a cut guide removably coupled to the alignment block. Osteotomy guides including a body, a first alignment member coupled to and extending away from a superior surface of the body, and a second alignment member coupled to and extending away from an inferior surface of the body. Methods of assembling and using the osteotomy guides and systems for maintaining, correcting and / or fusing joint deformities are also disclosed.

According to the anchoring piece, the restraining device, the conveying system and the conveying method, the anchoring piece adopts an anchoring clamp clamping mode, can adapt to more pathological structures, and can effectively treat aortic valve regurgitation (or aortic valve divalvular and tetravalvular deformity accompanied by aortic valve divalvular and tetravalvular deformity) patients; the protruding anchor is arranged to hang or carry the autologous valve leaflet, valve displacement is prevented, and the perivalvular leakage risk is reduced. The restraining device is provided with a restraining part, the anchoring part is sleeved with a restraining section of the restraining part in an annular shape, a scaling section is connected with the restraining section and arranged in the releasing pipe in a penetrating mode, and the restraining force of the restraining section on the anchoring part is controlled by controlling the scaling section so as to control the releasing speed of the anchoring part. The delivery system optimizes the structure and the function of the whole system, a lumen gap can be properly widened, emptying and water passing are facilitated, the delivery system has better control force when the artificial valve is released due to introduction of the restraining device, and it is guaranteed that when the anchoring piece reaches the lesion position, the anchoring piece is slowly placed, and the aorta and the sinus floor are prevented from being damaged.

Described herein are systems and methods in which a surgeon can use computer-implemented deformity assessment and correction tools to create 3D models of a bone. To ensure adequate healing, a surgeon may choose to use a prefabricated bone plate, a semi-customized bone plate, or a fully-customized bone plate to hold first and second bone portions in a corrected position. To select the appropriate prefabricated bone plate, the surgeon may identify three landmark locations on the first and second bone portions corresponding to desired fixation hole locations on the bone plate. The surgeon can then use a software application to evaluate multiple bone plate designs in a library and compare the average proximity of the landmark locations to fixation hole locations on each of the bone plate designs. Then, the surgeon can determine which bone plate design best fits the patient anatomy based on his comparison.

The invention belongs to the technical field of orthodontic bone deformity screening, and relates to an orthodontic bone deformity screening method based on facial contour guidance and multi-modal feature fusion, which comprises the following steps: 1, collecting sample data; 2, diagnosis label construction and image preprocessing; 3, constructing an automatic diagnosis classification model based on the two-dimensional soft tissue image and deep learning; 4, inputting a to-be-screened sample into the multi-stage neural network model of different parameters trained in the step 3 to obtain a prediction result of bony malformation screening; according to the method, a deeper network structure and a more-scale feature extraction model are adopted, a coarse-to-fine multi-stage training strategy is designed, the skull side position film and personal feature information are fused, high-precision skeletal malformation prediction of multi-modal training and single-modal deployment is achieved, and efficient, low-cost and noninvasive intelligent diagnosis and screening are achieved.

A system for surgical planning and assessment of spinal pathology or spinal deformity correction in a subject, the system comprises a control unit configured to align one or more vertebral bodies of a biomechanical model to one or more vertebral bodies of the radiograph. The control unit is configured to receive one or more spinal correction inputs. The control unit is configured to, based on the received one or more spinal correction inputs, simulate the biomechanical model in a predetermined posture. The control unit is configured to provide for display one or more characteristics of the simulated biomechanical model.

1. The name of the product under this design: orthopedic fixator. 2. Purpose of this design product: used to correct spinal deformity, scoliosis, etc. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

A device and related method that utilizes magnetic torques and / or forces to reduce scoliosis deformity. By torquing and / or forcing a scoliotic spine toward a non-scoliotic shape for enough time and / or repetitions, a scoliosis deformity can be reduced, due to reforming and / or remodeling of body tissues.

The invention belongs to the technical field of correction intelligent control, and discloses an intelligent correction evaluation system and method for scoliosis, based on an intelligent multi-module sensor, a scoliosis intelligent correction system is built; based on a human body three-dimensional surface topography measurement technology, establishing an intelligent scoliosis evaluation system; based on an intelligent multi-module sensor and wearable ultrasonic image equipment, internal forms and activity characteristics of spine related muscles during spine correction are evaluated; and comprehensively analyzing a scoliosis correction mechanism by combining a scoliosis correction strategy, a scoliosis correction effect and related muscle activity characteristics of the spine, and determining an optimal biomechanical correction strategy. The external force is applied to the spine to control spine deformity, correction effects generated by different correction strategies are disclosed by analyzing a scoliosis correction mechanism, the conservative treatment effect of a scoliosis patient can be improved, and the device has great significance in improving the life quality of the patient, reducing the family economic burden and relieving the pressure of a medical system.

The invention belongs to the technical field of medical orthopedic rehabilitation, and discloses an electronic prescription generation method and device for a Taylor space scaffold, and the method comprises the steps: obtaining image data of an affected limb with the Taylor space scaffold; performing modeling segmentation to obtain a far-end broken bone model, a near-end broken bone model and a Taylor space stent model; acquiring the length of each extension rod in the current state, namely the original length; binding the near-end fixing ring model with the near-end broken bone model, and binding the far-end fixing ring model with the far-end broken bone model; virtual restoration between the near-end broken bone model and the far-end broken bone model is achieved, and the length, namely the target length, of each extension rod in the restoration state is obtained; and generating the electronic prescription based on the original length and the target length of each extension rod. According to the method, accurate calculation of the target adjusting amount of each extension rod in the Taylor space stent can be realized without depending on parameters of the stent and malformation parameters of fracture, and the treatment effect is ensured.

The present invention relates to methods for the treatment of a spinal deformity, such as thoracolumbar deformity in a subject in need of said treatment, said method comprising the step of administering a therapeutically effective amount of an inhibitor of FGFR3 signaling, or an NPR-B agonist and / or an NPR-C agonist to said subject.

The present invention relates to the field of medical devices and discloses a split intervertebral fusion device for the cervical spine, which is suitable for treating and improving congenital diseases, deformities, degenerative diseases, cervical disc herniation, cervical fractures and other diseases of the cervical spine, effectively relieving nerve compression, improving clinical symptoms, and achieving better fusion effects.

The invention pertains to a bone plate (10) designed for tibial Osteotomy, offering enhanced correction capabilities for genu varus deformity of the knee joint. The bone plate comprises an upper portion (12), a middle portion (14), and a lower portion (16), each equipped with a plurality of holes for secure attachment to the tibia at various locations. The middle portion (14) is pivotal in achieving correction at the osteotomy site, utilizing blocks (22) with threaded holes for fixation via locking screws (24) to achieve a valgus overcorrection of 2 to 6 degrees. The bone plate features three locking holes (18) in the upper portion and locking holes (20) with diameters less than 5 mm in the middle portion.

The present invention discloses an individualized osteotomy and repositioning surgical guide system for mandibular body osteotomy, including an individualized osteotomy guide and a bone plate; the osteotomy guide can be fitted with the front of the mandible and used for osteotomy of the mandibular body, and the bone plate can be fitted with the mandibular body after osteotomy and used to locate and fix the bone end. The osteotomy guide is an integrated structure, including a first guide plate, a second guide plate, and a third guide plate covering the front of the mandible. The bone plate is a split structure, including a first bone plate and a second bone plate; the first bone plate and the second bone plate each include an integrated bone plate body, the bone plate body is rectangular as a whole, and a first extension portion and a second extension portion are also provided thereon. The present invention also discloses a preparation method of the above-mentioned surgical guide system and its application in mandibular deformity correction.

The present disclosure provides a method of diagnosing the risk of spinal deformity progression in a subject symptomatic for an idiopathic scoliosis comprising measuring a level of expression of a plurality of miRNAs in a subject's sample, wherein a variation (higher, lower or similar to, depending on the miRNA) in the level of expression of each miRNA in the panel as compared to a corresponding reference level, is an indication that the subject's spinal deformity will progress.

Surgical planning based on a three-dimensional (3D) model includes obtaining a 3D model of an anatomical region, wherein the anatomical region includes the patient's anatomical features; identifying at least one deformity, wherein the at least one deformity is identified with respect to a target anatomical value of the patient's anatomical features, wherein the target anatomical value includes a desired range into which the anatomical measurement should fall; and using the anatomical measurement, determining at least one planar correction to be made to at least one anatomical structure of the patient. Generating a 3D model using two-dimensional (2D) imaging data may include performing anatomical context processing, which includes annotating the model, contours, edges, or surfaces of the anatomical structure, as well as performing 2D-to-3D reconstruction to optimize the orientation, placement, and scale of the 3D digital volume modeling the anatomical structure, resulting in a 3D anatomical representation of the anatomical region as a 3D model.

Instruments, implants, bone plates, systems and methods for correcting bone deformities and fractures in the lower extremity are disclosed. Specifically, targeting instruments, implants, bone plates, systems and methods used for correcting bone deformities and / or fractures in the foot using compression are disclosed.

A minimally invasive precision cutting guide, targeting guide, implant, and other instruments comprise a system that permits a physician to surgically correct a bunion or similar deformity with a minimum disruption of surrounding soft tissue. The precision cutting guide ensures that the physician cuts bone in the proper location and orientation. Each of the instruments is designed to minimize disruption to surrounding soft tissue. The system also precisely locates an orthopedic implant such that it can fixate two bone fragments after an osteotomy, or two bones after surgery. The precision cutting guide, targeting guide, implant, and other instruments are provided in a sterile kit for the convenience of the surgeon and safety of the patient.

A system and method for repairing damaged tissue, a system and method for cruciate ligament reconstruction, the cruciate ligament reconstruction system includes a fixing plate, a flexible support member, and a plurality of traction lines. The fixing plate is provided with traction line holes that match the number of traction lines and at least two reinforcement holes for the flexible support member to pass through. The two ends of the flexible support member are respectively used to pass through the two reinforcement holes to enter the stump channel for pre-repairing the damaged tissue, and then pass through the tibial tunnel to tighten and fix the two ends to the tibial ends opposite to the stump; the flexible support member is used to provide support for the self-repair of the damaged tissue of the stump and provide a repair channel, so that the damaged tissue of the stump maintains tension and position, which is beneficial to its short-term repair and long-term healing. This method has good overall reinforcement effect and high mechanical strength; it also perfectly solves the problem of stump sagging, says goodbye to bulging eye deformity, and has small surgical trauma. In addition, the fixing plate has been improved in design to solve the problem of fitting the fixing plate to the bone surface.

Logic may provide a deformity analysis to create a treatment plan for external fixators. Logic may further perform additional refinements to the treatment plan to improve the patient experience. Logic may further include pre-operative osteotomy to select an osteotomy and to provide real-time updates to a post-operative image based on changes to an osteotomy line, orientation, and / or rotation point. Logic may facilitate movement of one or two portions of a medical image to determine an alignment of bone segments in the portions of the medical image. Logic may generate deformity parameters based on a combination of translations and / or rotations of the movement to align the portions. Logic may create a treatment plan including a prescription for an external fixator based on deformity parameters.

In some examples, a method includes receiving a medical image of at least a portion of a spine in a patient. The method includes supplying the medical image to a neural network trained using training spine images and, for each training spine image, one or more spine measurement annotations. The method includes detecting, using the neural network, five or more vertebral landmarks for each of a plurality of vertebral bodies depicted in the medical image. The method includes outputting, for at least a first vertebral body, one or more deformity measurements based on the vertebral landmarks for the first vertebral body.

An improved surgical system and procedure for correcting a deformity between first and second bones using an alignment guide based on a correction factor. The correction factor can be based on a virtual model of the first and second bones in a deformed configuration and a corrected configuration. In the virtual corrected configuration, first and second virtual axes can be fixed in the respective first and second bones. When reverted to the virtual deformed configuration, the orientation of the first and second axes can be used to determine the correction factor. The alignment guide is used to insert one or more k-wires into each of the first and second bones in a deformed configuration. A correction guide is passed along the k-wires to rotate and / or translate the first bone relative to the second bone into the corrected configuration.

An improved surgical system and procedure for correcting a deformity between first and second bones using an alignment guide based on a correction factor. The correction factor can be based on a virtual model of the first and second bones in a deformed configuration and a corrected configuration. In the virtual corrected configuration, first and second virtual axes can be fixed in the respective first and second bones. When reverted to the virtual deformed configuration, the orientation of the first and second axes can be used to determine the correction factor. The alignment guide is used to insert one or more k-wires into each of the first and second bones in a deformed configuration. A correction guide is passed along the k-wires to rotate and / or translate the first bone relative to the second bone into the corrected configuration.

Implants and devices for maintaining, correcting and / or fusing joint deformities are disclosed. The implant includes a first member, a second member, and an insert with a top surface and a bottom surface. The top surface of the insert couples to the first member and the bottom surface of the insert engages the second member. The top surface includes an anterior articulating surface with an anterior-medial sagittal radius and an anterior-lateral sagittal radius that is greater than the anterior-medial sagittal radius and a posterior articulating surface with a posterior-lateral sagittal radius and a posterior-medial sagittal radius that is greater than the posterior-lateral sagittal radius.

The invention discloses a novel extensible long intramedullary rod and a matched tool, and relates to the technical field of medical instruments, the novel extensible long intramedullary rod comprises a female rod and a male rod, one end of the female rod is provided with a fixed tip, the other end of the female rod is provided with a blind hole, the male rod is sleeved with the blind hole, the fixed tip is used for being connected with the epiphysis of the far end of a long bone, and the end of the male rod is flush with an implantation opening. And the length of the male rod sleeved into the female rod is at least 1 / 2 of the length of the female rod. The extensible long intramedullary rod can effectively fix a long bone, prevent fracture of the long bone and maintain the shape of the long bone, can gradually achieve the purpose of extension along with the growth of the bone, can better maintain the mechanical axis of the bone, has a stronger protection effect on the fracture end, is particularly suitable for being applied to special patients in the department of orthopedics of children, and has a wide application prospect. And intraoperative and postoperative protection of lower limb long bone malformation and fracture caused by osteogenesis insufficiency and congenital long bone artificial joints can be realized.

The application provides a maxillary canine orthodontic bracket for skeletal class III dental and maxillofacial deformity, a design method and equipment thereof, wherein the method for parameter design of the maxillary canine orthodontic bracket for skeletal class III dental and maxillofacial deformity comprises the following steps: acquiring craniofacial image information of a patient; obtaining a maxillary canine axial inclination angle according to the craniofacial image information; obtaining a score result of the maxillary canine according to the maxillary canine axial inclination angle and a maxillary tooth extraction scheme by using a preset maxillary canine compensation index evaluation standard; and determining an axial inclination degree of the maxillary canine bracket according to the score result.

1. The name of the design product: Spinal deformity surgery support. 2. The use of the design product: Special auxiliary device in spinal surgery of spinal deformity surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.