76 results about "Deformity" patented technology

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 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 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.

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.

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.

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.

This application provides an orthotic rod and correction system. The orthotic rod includes a rod body and a temperature control device. The rod body can undergo a reversible phase transition at different temperatures, and the phase transition and deformation process of the orthotic rod is precisely controlled by the temperature control device. Thus, during the correction of spinal deformities, the restoring force generated by the phase transition of the orthotic rod can be used to automatically pull the deformed spine back to its normal physiological curvature, eliminating the need for manual operation, reducing reliance on clinical experience and operating techniques, and lessening the physical burden on doctors. Moreover, the precise control of the spinal closure process by the temperature control device allows for rapid cessation of the closure process in case of abnormalities, facilitating the standardization and normalization of spinal correction procedures.

A system and method for automating tasks in surgery to correct spinal deformity of a patient are disclosed. The system will obtain preoperative data characterizing a defined patient and individual vertebral position and orientation from the patient's images to generate operative instructions for an automated machine to operate a correction apparatus that corrects vertebral deviations and realigne spinal deformity of the defined patient. The system, using a machine learning model, will receive intraoperative and postoperative feedback data from a plurality of patients to optimize the creation of optimized future preoperative correction plan.

Implants, systems, and methods for securing a flexible band, thereby providing a desired correction to the spine. The implant may secure the flexible band to patient anatomy without the use of pedicle screws or spinal rods. The implant may include a locking member configured to secure the band. The band may be looped around bony anatomy and tensioned to achieve correction and provide fixation as an alternative to pedicle screws and spinal rods during spinal deformity surgery.

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 application discloses a model demonstration teaching aid with an adjusting function for orthodontic and orthognathic head bones, which comprises a skull, the front surface of the skull is hingedly connected with a maxilla, the top end of the maxilla is abutted with a first demonstration mechanism, the bottom end of the maxilla is slidably connected with an upper dental alveolar bone, the inside of the skull is fixedly installed with a connecting mechanism, and the connecting mechanism comprises two left and right symmetrical mandibular branches. The demonstration teaching aid can dynamically demonstrate the process of orthodontic and orthognathic treatment, intuitively present the three-dimensional space changes of the jaw bones and the dentition, help students establish a three-dimensional anatomical cognition, deepen the understanding of the treatment mechanism, support flexible combination of different deformity states through modular design, adapt to various clinical case teaching needs, meanwhile, the demonstration teaching aid can customize the treatment scheme according to the individual conditions of patients, convert the abstract operation process into a concrete dynamic display, significantly improve the efficiency and accuracy of the doctor-patient communication, reduce the understanding deviation of the patients, and enhance the treatment compliance.

This invention provides a buccal tube for molar orthodontics targeting skeletal Class III dentofacial deformities, along with its design method and device. The method for selecting parameters for the buccal tube includes: acquiring craniofacial images of the patient; obtaining anatomical information related to molar compensation assessment based on the craniofacial images, including the molar torque angle and the width of the maxillary and mandibular basal bones; obtaining scoring results for the maxillary and mandibular molars using a preset molar compensation index assessment standard based on the anatomical information; and determining the torque and base plate thickness of the buccal tube for the maxillary and mandibular molars based on the scoring results and the width of the maxillary and mandibular basal bones, respectively.

A cranial remodeling orthosis (CRO) device for shaping an infant's deformed head shape as the infant's head grows includes an interior surface configuration based upon a modified shape derived from the deformed head shape. The interior surface comprises hold areas to restrain growth of said infant's head. The hold locations and amounts are determined from the modified shape. The interior surface also comprises one or more second areas providing growth room for the infant's head. The second areas are determined from the modified shape. At least one of the second areas is configured to provide extra growth room for the infant's head.

Expandable intervertebral fusion implants, system, and methods for coronal correction. The implant may include top and bottom endplates configured to engage adjacent vertebrae, a dual actuator assembly including a rotatable drive screw actuator and a rotatable actuator nut concentric to the drive screw actuator, and driving ramps positioned along the shaft of the drive screw actuator and engaged with the top and bottom endplates via complementary ramped surfaces. When inserted in a disc space, the implant has an ipsilateral side and a contralateral side, and rotation of the drive screw actuator and / or the actuator nut causes movement of one or more of the driving ramps, thereby causing independent expansion in height of the contralateral and / or ipsilateral sides of the implant to correct the coronal deformity.

The application provides a spine screw placement preoperative planning quality control method, an electronic device and a computer storage medium. By constructing boundary models of key risk objects such as pedicle cortex, spinal canal, intervertebral foramen and superior articular facet joint surface, combining preoperative screw placement planning data to calculate quantitative indicators such as minimum safety distance, predicted breaking amount and breaking direction, and inputting structured feature vectors and local image features of the planning channel into a risk assessment model to output risk assessment results, the safety hazards of screw placement can be accurately identified for complex cases such as pedicle morphology variation, degeneration or deformity. At the same time, the deficiencies of the existing planning system, such as the lack of quantitative quality control and grading early warning mechanism, can be made up. High-risk planning schemes can be prompted in time, and objective basis for path correction can be provided, so as to improve the accuracy, safety and standardization of spine screw placement preoperative planning.

The orthodontic appliance is characterized in that a stress dispersion elastic structure is arranged on the tongue side of the orthodontic appliance, and the stress dispersion elastic structure is in an elastic compression state before being in position and generates lip inclination and expansion force on the anterior teeth after being in position. The lingual stress dispersion elastic structure adopted by the invention can rapidly incline anterior teeth, is suitable for early intervention of class III malocclusion deformity when being applied to the upper jaw, is suitable for treatment of a patient with anterior teeth of the lower jaw inclining inwards when being applied to the lower jaw, and improves the correction efficiency.

Implants, systems, and methods for securing a flexible band, thereby providing a desired correction to the spine. The implant may secure the flexible band to patient anatomy without the use of pedicle screws or spinal rods. The implant may include a locking member configured to secure the band. The band may be looped around bony anatomy and tensioned to achieve correction and provide fixation as an alternative to pedicle screws and spinal rods during spinal deformity surgery.

Embodiments include example systems, methods, and computer-accessible mediums for analysis and visualization of data associated with anatomical images. In some embodiments the anatomical images can be spinal images used 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 belongs to the technical field of orthodontic medical instruments, and particularly relates to a miniature tubular anterior tooth orthodontic bracket and an orthodontic method thereof.The bracket body is of a hollow circular tubular structure, the tooth attaching end is of a continuous smooth cylindrical surface design and is in linear contact fit with the tooth surface, and the protruding height after adhesion is smaller than or equal to 2 mm; the roughness Ra of the inner wall of the internal force application channel is 0.15-0.25 mu m; the main body is formed by integral compression molding of a medical composite material containing bismuth oxide; the technical prejudice that bonding is unstable and non-metallic materials cannot be developed due to line contact is broken through, and the excellent performance that the X-ray development definition is greatly improved, the shear bonding strength is 18.5 + / -1.2 MPa, the hardness retention rate is larger than or equal to 90% after artificial saliva soaking for 180 days, and the mucous membrane compression pain occurrence rate is reduced is achieved; the single bracket can independently complete the anterior tooth local deformity correction function without being matched with a full-mouth bracket system, the anterior tooth gap closing period is averagely shortened, and the social concealment, the clinical operation efficiency and the patient comfort are remarkably improved.

The invention discloses a fetal image parameter automatic extraction system for spinal cord neural tube malformation screening, and relates to the technical field of medical image processing, and the system comprises a fetal spine collection module which is used for collecting fetal spine structure data, and carrying out the preprocessing of the collected data; the fracture structure identification module is used for constructing a fracture boundary point set, carrying out quantitative evaluation on the complexity of a fracture geometric structure and judging the complexity level of fracture boundary points; the fissure position correction module is used for quantifying the deviation degree of the fissure scale relative to the spinal canal size and executing position correction operation in combination with the complex grade; and the structure anomaly analysis module is used for performing quantitative evaluation on the sudden change intensity of the ridge crack geometric structure and generating a ridge crack basic parameter set and a ridge crack image structured analysis data set. The problems that in existing fetal spine image processing, fracture boundaries cannot be accurately extracted, so that fracture structure judgment is unstable, and spinal cord neural tube malformation screening lacks a reliable quantization parameter basis are solved.

This invention discloses a surgical guide and its manufacturing method. The surgical guide includes: a plate body with at least two guide grooves penetrating the plate body and interconnected at an angle, the angle being the osteotomy angle; and a positioning part located at the edge of the plate body, used to locate the relative position between two bone fragments after osteotomy. Using this design, the guide grooves penetrating the plate body guide the osteotomy path of osteotomy tools during surgery, such as oscillating saw blades or milling cutters. Furthermore, the interconnected guide grooves provide the osteotomy angle, improving the accuracy of osteotomy. The positioning part can locate the relative position of the two bone fragments after osteotomy, thereby improving the accuracy of bone fragment positioning, thus improving the therapeutic effect of surgical correction of deformities and reducing postoperative pain. Additionally, the positioning part is located at the edge of the plate body, allowing for positioning using the edge of the plate body.

Provided is an apparatus and component parts of a system for the external fixation of bones. The component parts include fixation plates such as a C-shaped Plate, an N-shaped Plate, a J-shaped Plate, a K-shaped Plate, an I-shaped Plate, a Foor Plate, a Z-shaped Plate and a T-shaped Plate. Two or more fixation plates are configured along an axis, the two or more fixation plates; a plurality of telescoping adjustable struts that connect a first fixation plate along the axis with a second fixation plate of the plurality of fixation plates along the axis, wherein the first and second fixation plates are adjacent plates along the axis; and a plurality of posts, each post connecting two adjacent fixation plates of the plurality of fixation plates along the axis.

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.

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 utility model discloses a femoral intramedullary nail which comprises a main nail, the main nail comprises a far-end section, a near-end section and a connecting piece used for connecting the far-end section and the near-end section, the connecting piece comprises a first section and a second section, the first section is in threaded connection with the far-end section, and the second section is in threaded connection with the near-end section. Through relative rotation of the near-end section and the far-end section, the upper part and the lower part, needing to be corrected, of the near end of the femur are adjusted to reach a proper matching angle, the structure is simple, rotation correction bone setting treatment is specially carried out on the near end of a child, controlled rotation correction is allowed, and the device is mainly designed for near-end fracture, malformation healing, bone nonunion and malformation.

The invention provides a pre-bending design method of a built-in retractor. The pre-bending design method comprises the following steps: performing three-dimensional reconstruction and segmentation on a craniofacial bone of a patient; adjusting the position of the plane middle skeleton based on the deformity degree, and measuring the angle theta between the movement vector and the orbital ear plane; a pose platform parallel to the orbital ear plane is arranged on the craniofacial bone model for 3D printing; the to-be-placed height of the tractor is marked, a traction direction line is drawn and designed, and the included angle between the direction line and the pose platform is theta; pre-bending the double-side tractor to enable the double-side tractor to be attached to the bone surface; fixing the pre-bent tractor on the craniofacial bone model; a positioning guide plate is manufactured, and a guide positioning hole is formed in the positioning guide plate and used for guiding the tractor to be placed in the operation. According to the method disclosed by the invention, the pre-bending precision of the Le Fort III type built-in retractor is improved, so that a digital design scheme can be accurately reproduced in the pre-bending process, errors caused by naked eye observation of doctors are reduced, and the pre-bending time of the retractor is saved.

1. Name of the product in this design: Pressure-Regulating Orthodontic Appliance. 2. Intended use of this design: as a corrective device for skeletal or chest deformities. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.