209 results about "Deformity" patented technology

Systems, devices, and techniques can be used to perform an osteotomy on a bone of a foot, to realign a cut bone portion relative to an adjacent bone portion, and / or to fixate a moved position of the cut bone portion relative to the adjacent bone portion for fusion. In some examples, the disclosed devices and techniques can be used as part of a metatarsal correction procedure in which a metatarsal is treated to correct a bunion deformity.

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.

Various embodiments of bone ties, bone tie inserters, and methods for treating the spine are provided. The methods can include wrapping the bone tie around transverse processes of adjacent vertebrae to correct coronal plane deformity. The methods can include wrapping the bone tie around the spinous process of one vertebra and around the transverse process of a second adjacent vertebra to achieve rotational correction. The methods can include wrapping the bone tie around the lamina of adjacent vertebrae to achieve sagittal correction. The methods can include applying tension to the bone tie to set the sagittal correction. The methods can include passing the bone tie through a lumen in a vertebral body or a pedicle of the inferior vertebra and the lamina or articular process of the superior vertebra.

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.

An alignment device includes a first member, a second member, and a guide. The first member has an elongated body and is configured to be at least partially inserted into a canal in a first bone portion. The second member includes a body attachable to the first member and an arm extending from the body. The arm defines a track. The guide is configured to translate along the track defined by the arm. The guide includes an aperture configured to receive an alignment member therethrough. The guide is configured to be positioned at a desired position along the track to allow insertion of the at least one alignment member through the aperture and into the first bone portion at a desired trajectory.

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 utility model relates to a multifunctional bed for traction of a patient after spinal deformity release. The multifunctional bed comprises a bed body, bed supporting legs and a bed head. Traction braces are arranged at the two ends of the bed head; an air cushion is laid on the upper surface of the bed body; a plurality of groups of air bag units which are mutually independent and are arranged in a matrix manner are arranged on the air cushion; two connecting plates are symmetrically and fixedly mounted on the two outer walls, far away from each other, of the bed body, and one bed head is rotationally mounted between the opposite inner walls of the two connecting plates; the spine malformation orthopedic traction device has the advantages that the purposes of postoperative or preoperative orthopedic and traction of a spine malformation patient can be achieved; meanwhile, by arranging the air bag unit, the specific part of the patient can be massaged in a peristaltic mode, the patient is guided to turn over regularly, unsmooth blood circulation caused by the fact that the patient lies in bed for a long time is prevented, the treatment effect of the patient is improved, and pressure sores and thrombus are prevented.

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.

The invention relates to a scoliosis detection method and system. The method comprises the following steps: acquiring a CT image, and preprocessing the CT image; carrying out centrum segmentation on the preprocessed CT image, converting the segmented image of each centrum into a corresponding point cloud image, and creating a first point cloud set and a second point cloud set; registering the first point cloud set and the second point cloud set; point sets of upper and lower planes of each vertebral body of the standard spine are extracted from the first point cloud set, and point sets closest to the upper and lower planes of each vertebral body of the registered standard spine in the second point cloud set are acquired; and detecting the lateral bending degree of the target spine in different directions according to the point sets of the upper and lower planes of each vertebral body of the target spine. According to the method and the device, the technical problems of high subjectivity, large difference between observers, influence of shooting conditions and incapability of comprehensively reflecting three-dimensional deformity of the spine in scoliosis evaluation of an existing X-ray image Cobb angle measurement technology are solved.

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.

Systems, devices, and techniques can be used to perform an osteotomy on a bone of a foot, to realign a cut bone portion relative to an adjacent bone portion, and / or to fixate a moved position of the cut bone portion relative to the adjacent bone portion for fusion. In some examples, the disclosed devices and techniques can be used as part of a metatarsal correction procedure in which a metatarsal is treated to correct a bunion deformity.

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.

The present invention provides a method and system for automatically interpreting the characteristics of knee joint lesions based on medical images, which relates to the field of intelligent medical detection technology. The method includes: obtaining a medical image to be interpreted; filtering the medical image to obtain a filtered image; constructing an image enhancement window, and using the image enhancement window to traverse the filtered image to perform denoising to obtain a denoised image; performing histogram equalization on the denoised image to obtain an enhanced image; based on deep learning technology, using the enhanced image to perform feature segmentation to obtain lesion characteristics; the lesion characteristics include: joint space, bone hyperplasia and sclerosis under the joint surface, osteophyte formation, bone cystic changes under the joint surface, joint deformity, etc. The present invention realizes the automatic interpretation of knee joint lesions through image processing and machine learning technology, and provides an efficient and accurate diagnostic tool.

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.

A method for fabricating a custom cranial remodeling device for correction of cranial deformities in a subject is described. The method comprises generating a three-dimensional head data file for the subject and determining contour lines on the head. The method further comprises automatically generating a modified head shape data file and juxtaposing the modified head shape with the head represented by the three-dimensional head data file having the contour lines thereon. Still further the method includes utilizing the modified head shape data file to generate a shape for a desired custom cranial remodeling device, the shape having an interior surface to contact the head and an outer surface. The method also includes projecting lines outward from the contour lines to the outer surface and utilizing the projected lines to establish cranial remodeling device contour lines for the custom cranial remodeling device.

The invention discloses a broiler limb ectropion and ectropion deformity diagnosis marker and application thereof, belongs to the technical field of biomedicine, and provides a broiler limb ectropion and ectropion deformity diagnosis marker which is miRNA derived from exosome, and the exosome is plasma exosome. The provided diagnostic marker is used for detecting broiler limb ectropion and ectropion deformity. Circulating plasma exosomes of a limb varus and valgus (VVD) group and a healthy group are extracted and identified, and a high-throughput sequencing technology and bioinformatics analysis are combined with multi-sample qPCR combined verification based on TaqMan, so that a sequencing result has good consistency, high sensitivity and specificity; the exosome miRNA provided by the invention can be used as a promising diagnostic marker for broiler chicken limb ectropion and ectropion deformity.

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.

An apparatus for correcting bunion deformity includes an elongated member, a first arm member extending from a first end to a second end, a second arm member, and a rotation guide. The first arm member has an arm axis and is coupled to the first end of the elongated member so that the arm axis extends in an orthogonal direction from the elongated member. The second arm member includes an attachment portion configured to translatably engage the elongated member and an extension extending in the same orthogonal direction as the first arm member. The rotation guide is coupled to the first arm member such that the rotation guide is configured to rotate with respect to the first arm member about a rotation axis, the rotation guide defining a bore having a longitudinal axis.

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.

The invention discloses a driving method, a matching method, a motion abnormity determination method, a storage medium and equipment based on scoliosis motion capture pairing, and belongs to the technical field of evaluation of spinal deformity and human spinal motion characteristics. In order to solve the problem that in existing spine motion analysis, the driving effect is not ideal due to the fact that all vertebral bodies of the waist and the chest are driven according to a certain fixed proportion, firstly, a trunk model is constructed, the thoracic vertebra and the lumbar vertebra can move independently, and the thoracic vertebra and the lumbar vertebra are connected through intervertebral discs in a spherical hinge mode; marking points of bony mark positions at the thoracic vertebra spinous process and the lumbar sacral vertebra spinous process are constructed on the trunk model, and marking points of bony mark positions at the sacral vertebra spinous process, the acromion of the left shoulder bone and the acromion of the right shoulder bone are constructed; an optical mark corresponding to the bony marker position mark point is pasted on the skin surface of the spine spinous process of the subject, an action capture mark point is obtained, and a redundant driving mode is adopted for driving.