62 results about "Joint injury" patented technology

The invention discloses an orthopedic ankle joint trauma recovery exercise device in the technical field of medical apparatus and instruments, comprising a base, a support rod fixedly connected to the top of the base, an adjusting assembly fixedly connected to the bottom wall of the base, movement grooves symmetrically formed in the base, movement assemblies fixedly connected in the movement grooves, tibia fixing assemblies symmetrically hinged to the support rod, and tibia fixing assemblies symmetrically hinged to the tibia fixing assemblies. The top end of the supporting rod is further fixedly connected with a controller, and the adjusting assembly, the movement assembly and the tibia fixing assembly are all in signal connection with the controller. According to the device, the requirement of three-dimensional composite rehabilitation exercise of the ankle joint of a patient is met by constructing a multi-degree-of-freedom platform, the ankle joint force application and fatigue threshold value of the patient are calculated and predicted in combination with multi-source data, real-time following of force application of the patient by resistance is achieved, efficient rehabilitation exercise is achieved, and the rehabilitation effect is improved. Buffering is actively released according to the magnetorheological fluid damping principle after the ankles of the patient reach the movement angle threshold value, the burden of movement inertia on the ankle joints of the patient is reduced, and secondary ankle sprain injuries possibly caused by rehabilitation movement are avoided.

The invention discloses a joint injury identification method and system based on arthroscopic imaging. The method comprises the steps that an original image, collected by an arthroscope, of intra-articular tissue is acquired; sequentially performing denoising, artifact removal and deblurring processing on the original image to obtain a preliminary original image; performing corresponding semantic segmentation according to the initial original image so as to segment sub-regions corresponding to different tissues on the initial original image, and performing image enhancement on the different sub-regions by adopting corresponding image enhancement strategies to obtain a target image; and performing visual display on the target image through a display device so as to perform joint injury identification on the current joint. According to the method, arthroscope imaging is enhanced, and medical staff are assisted in recognizing the joint injury state.

The present application relates to the field of health recovery training equipment, and particularly relates to a kind of oral cavity maxillofacial temporomandibular joint rehabilitation training instrument.The present application relates to a kind of oral cavity maxillofacial temporomandibular joint rehabilitation training instrument, mainly through fixed block, connecting belt, mounting block and upper dental brace to be set and fixed on the head of human body, rely on control motor to drive winding wheel to carry out different step or synchronous reciprocating action to lower pull rope, realize control lower dental brace to pull lower row of teeth to carry out left and right movement training and front and back movement training of temporomandibular joint, additionally can carry out occlusal movement training of temporomandibular joint, carry out a variety of training actions on temporomandibular joint by electronic instrument equipment according to the program formulated by therapist, on the basis of guaranteeing training effectiveness, reasonably control intensity to reduce the risk of joint injury, overcome the technical problem that intensity is not easy to control when manually pulling dental brace to control temporomandibular joint movement, easy to use excessive force to damage temporomandibular joint.

The application provides a composite gel product which is designed according to the main components of articular cartilage based on the bionics principle and is made of biological cellulose (BC), polyvinyl alcohol (PVA), an anionic surfactant and chitosan, has mechanical properties, friction characteristics close to articular cartilage and good biocompatibility and degradability and can be used for preparing a cartilage joint injury repair material.

The invention provides a virtual reality-based joint movement injury rehabilitation mode generation method and a virtual reality-based joint movement injury rehabilitation mode generation system, and relates to the technical field of virtual reality, and the method comprises the following steps: analyzing a rehabilitation path according to movement joint injury data of a user; performing rehabilitation limb posture decomposition based on the rehabilitation analysis path to generate a rehabilitation analysis view; a multi-modal sensor unit is used for collecting rehabilitation feedback actions of a user, and matching recognition of physiological parameters and rehabilitation constraints is carried out in a rehabilitation analysis view; and according to the posture deviation feedback, performing amplitude and muscle power guidance feedback of the rehabilitation limb posture, and synchronously performing virtual reality visual display. The technical problem that in the prior art, most VR rehabilitation systems mainly pay attention to visual feedback, so that only the motion appearance can be evaluated, and the compensatory motion mode cannot be recognized is solved, real-time monitoring and guidance on the force exerting correctness are achieved through combination of posture decomposition and physiological parameter projection, and the effect that the correctness of force exerting is improved is achieved. Therefore, the compensatory motion mode is effectively blocked.

The present inventive concept relates to a physical therapy device designed to isolate and strengthen ankle dorsiflexors and related muscle groups without compressing major neurovascular bundles that cross the ankle joints. The present inventive concept combines fulcrums along the medial and lateral aspects of the ankle with resistance along the posterior aspect of the ankle to achieve mobility and resistance against motion during use. Benefits of the present inventive concept include improved ankle stability and dexterity, mitigation of ankle injuries, and prevention of neurovascular compression around the ankle during use.

The application discloses a joint cartilage stress dynamic monitoring system based on flexible sensing and AI and belongs to the technical field of medical health monitoring.The application solves the problem that the prior art can only measure single-point pressure or strain and cannot obtain full-field three-dimensional stress distribution of a cartilage contact surface, and the system function stops at monitoring and does not form a monitoring-to-warning closed loop, quantifies uncertainty through a Bayesian neural network, provides a reliable basis for clinical decision-making, combines multidimensional biomechanical characteristics and an attention mechanism, accurately focuses on a stress key area, significantly improves the precision and individualization level of joint cartilage health evaluation, helps early detection and prevention of injury, classifies stress abnormalities, implements accurate early warning, and formulates an individualized treatment scheme according to uncertainty results and cartilage health indexes, and customizes a rehabilitation training plan according to user conditions, and improves the scientific nature of joint injury prevention and rehabilitation.

The invention provides a triple therapy medicine composition for treating chronic knee joint injury and a preparation method and an injection product thereof, and belongs to the technical field of medical biology. The invention provides a triple therapy pharmaceutical composition for treating knee joint injury. The pharmaceutical composition consists of the following components in parts by volume: 2-5 parts of platelet-rich plasma, 2-5 parts of mesenchymal stem cells and 2-5 parts of exosomes. The platelet-rich plasma, the mesenchymal stem cells and the exosome promote each other, so that the effects of relieving pain and promoting cartilage repair are superimposed and strengthened, the symptoms and functions are improved, the disease progression is delayed or partially reversed, and a relatively good effect on treating knee joint injury is achieved.

The utility model discloses a grip strength trainer with a grip strength detection function, which comprises a grip strength frame, a movable grip is mounted on one side of an inner cavity of the grip strength frame, a grip strength detection mechanism is mounted on the other side of the inner cavity of the grip strength frame, and a spring part is mounted on one side, opposite to the grip strength detection mechanism, of the movable grip; the grip strength frame comprises a U-shaped frame, and connecting plates are fixedly connected to the left side and the right side of the U-shaped frame; the movable grip comprises a movable grip rod, the left side and the right side of the movable grip rod are fixedly connected with fixing plates, and the opposite sides of the fixing plates are fixedly connected with first mounting plates. The grip strength training device has the advantage of grip strength detection, and the problems that in the using process of an existing grip strength training device, grip strength of a user is inconvenient to detect, the user is difficult to determine proper training strength, if the resistance of a selected spring is too small, the strength can not be effectively improved possibly, and if the resistance is too large, muscles or joints can be injured possibly are solved.

This application belongs to the field of rehabilitation medical equipment technology, specifically disclosing a wearable foot and ankle joint function posture sensing device. The device includes a shoe body, a sensing module, and a control module. The sensing module includes connecting accessories, and one or more of angle sensing accessories, tension sensing accessories, height sensing accessories, and pressure sensing accessories, each accessory being detachably connected to the shoe body. The connecting accessories are used to output position information; the angle sensing accessories are used to output angle information; the tension sensing accessories are used to output tension information; the height sensing accessories are used to output height information; and the pressure sensing accessories are used to output pressure information. The control module is used to receive and process information from the two sensing modules to generate a comparison result of foot and ankle joint function posture. This device can simultaneously collect data from the patient's affected and unaffected feet, allowing medical personnel to perform repeatable quantitative assessment and diagnosis of foot and ankle joint injuries.

The invention relates to the field of orthopedic trauma recovery, in particular to orthopedic ankle joint trauma recovery exercise equipment which comprises a fixed base, an ankle joint recovery frame is connected to one end of the bottom of the fixed base, and an ankle moving structure capable of driving an ankle to move is arranged on the outer wall of the ankle joint recovery frame. An ankle fixing structure capable of fixing the ankle is installed at the upper end of the ankle moving structure, a supporting and fixing mechanism is installed at the bottom of the fixing base and the bottom of the ankle joint recovery frame, a fixing plate is installed on the surface of the fixing base, a hydraulic rod is installed above the fixing plate, and a seat cushion plate is installed at the top of the hydraulic rod. A massage vibration structure and armrests are arranged on the surface of the seat cushion plate, a top plate is mounted at the top of the fixed base, and the massage vibration structure integrated in the device can perform local muscle relaxation and blood circulation improvement on feet or a seat before and after training; the air blowing structure can adjust heat accumulation, the skin stuffiness discomfort is reduced, and the human body comfort in the rehabilitation process is further improved.

The elastic device comprises a bottom plate and a water tank, a bottom frame connected through a hydraulic rod is arranged on the bottom plate, a supporting plate connected through an adjusting assembly is arranged on the bottom frame, an exercise assembly is arranged on the supporting plate, and the exercise assembly comprises a pair of guide plates arranged on the supporting plate; a moving frame is slidably clamped between the two guide plates, one end of the moving frame is rotationally connected with a rotating frame, a swing arm is arranged on the outer side of one end of the rotating frame, and an impedance assembly is arranged between the swing arm and the supporting plate; the exercising assembly can be matched with the impedance assembly to conduct lower limb muscle training on a patient, meanwhile, by arranging the supporting plate and the water tank, the joint load generated when the patient exercises the lower limbs is reduced, the training effect of the device is kept, and meanwhile joint injuries of the patient are reduced as much as possible.

The application belongs to the technical field of rehabilitation medical equipment, and specifically discloses a wearable ankle joint function state sensing device. The device comprises a shoe body, a sensing module and a control module. The sensing module comprises a connecting accessory and one or more of an angle sensing accessory, a tension sensing accessory, a height sensing accessory and a pressure sensing accessory, and each accessory is detachably connected with the shoe body. The connecting accessory is used for outputting position information. The angle sensing accessory is used for outputting angle information. The tension sensing accessory is used for outputting tension information. The height sensing accessory is used for outputting height information. The pressure sensing accessory is used for outputting pressure information. The control module is used for receiving and processing information from the two sensing modules to generate an ankle joint function state comparison result. The device can synchronously collect data of the affected side foot and the healthy side foot of a patient, so as to provide medical staff with repeatable quantitative evaluation and diagnosis of ankle joint injury.

A bone plate for treating shoulder joint injury includes a bone plate body and an aiming plate, the bone plate body includes a fixed part and a hook part. The fixed part is provided with a plurality of fixed holes and an accommodating groove thereon, the hook part is Z-shaped and is used for fixing the acromioclavicular joint, the hook part is connected to one end of the fixed part, the aiming plate is configured to be capable of being arranged in the accommodating groove of the fixed part, the aiming plate is provided with a plurality of aiming holes thereon, wherein when the fixed part is placed on the acromioclavicular joint and the aiming plate is arranged in the accommodating groove of the fixed part, the aiming hole of the aiming plate is aligned with an anatomical attachment point of an coracoclavicular ligament of the acromioclavicular joint.

The application discloses a hip-knee joint replacement postoperative rehabilitation method and system based on mobile medical treatment, relates to the technical field of medical rehabilitation, and discloses the hip-knee joint replacement postoperative rehabilitation method and system based on mobile medical treatment. The wearable sensor is used for monitoring patient motion data in real time and recognizing compensatory behavior. A training plan is dynamically adjusted in combination with multidimensional indexes, the problems of missing compensation recognition, feedback lag and plan rigidity in the traditional rehabilitation scheme are effectively solved, the rehabilitation effect can be improved, and the risk of adjacent joint injury can be reduced.

A bone plate for treating shoulder joint injury includes a bone plate body and an aiming plate, the bone plate body includes a fixed part and a hook part. The fixed part is provided with a plurality of fixed holes and an accommodating groove thereon, the hook part is Z-shaped and is used for fixing the acromioclavicular joint, the hook part is connected to one end of the fixed part, the aiming plate is configured to be capable of being arranged in the accommodating groove of the fixed part, the aiming plate is provided with a plurality of aiming holes thereon, wherein when the fixed part is placed on the acromioclavicular joint and the aiming plate is arranged in the accommodating groove of the fixed part, the aiming hole of the aiming plate is aligned with an anatomical attachment point of an coracoclavicular ligament of the acromioclavicular joint.

The present application relates to the field of physiological motion detection in medical devices, and particularly relates to a knee joint injury postoperative rehabilitation action recognition method, device and storage medium. The method comprises: acquiring multi-source sensor data and preprocessing to generate a preprocessing sequence; based on the preprocessing sequence, posture and gait phase analysis is performed to generate a posture sequence and a phase sequence; then segment boundary detection and action candidate generation are performed, and time sequence features are extracted, and through hierarchical action atlas matching and sequence discrimination model reasoning, an action category and a completion degree score are generated; finally, quality evaluation and safety threshold linkage comparison are performed, and strategy mapping is performed to generate a parameter update package. The present application can realize accurate recognition and quantitative evaluation of rehabilitation actions, and form a closed loop feedback, effectively improving the safety and individualization level of rehabilitation training.

The application relates to the technical field of sports medical image processing, and discloses a long-distance running crowd ankle joint injury early warning method fusing MRI and running postures, which comprises the following steps: constructing a personalized pore charge two-parameter cartilage model based on an MRI sequence; acquiring a double-state gait mechanics parameter set and calculating a compensation transfer tensor; extracting a representative volume unit to construct a micro-response surface proxy model; performing double-closed-loop evolution simulation by using the micro-response surface proxy model and the compensation transfer tensor, and outputting a long-range evolution trajectory matrix; and solving a fluid support rate attenuation evolution sequence, positioning a stress fracture high-risk spatial positioning point, and outputting a three-dimensional risk distribution cloud diagram. The application solves the force consumption by transforming a partial differential equation by using a proxy model, combines a double-closed-loop control mechanism of micro-fluid evolution and macro-gait compensation, eliminates stress divergence defects caused by constant load input, and improves the prediction accuracy of the stress fracture spatial positioning point.

The embodiment of the application discloses a sofa-based auxiliary movement method and device, electronic equipment and storage medium, which are applied to a sofa. The armrest area and the backrest area of the sofa are provided with a mechanical arm. The end of the mechanical arm is provided with a fixing device. The fixing device is used for fixing the legs or hands of a user. The armrest area of the sofa is provided with a joint detection device. The method comprises the following steps: acquiring data collected by the joint detection device to obtain a joint detection result of the user. The joint detection result is used for indicating the joint injury condition of the user. Corresponding instructions are generated according to the joint detection result. The mechanical arm is controlled to drive the legs or hands of the user to move according to the instructions. According to the embodiment of the application, the sofa can assist the user in movement according to the joint injury condition, and the effect and efficiency of rehabilitation are improved.

Buoyant sportswear, comprising legging tights and an exoskeleton. The legging tights can be filled with and store a liquid capable of generating buoyancy for a human body. The exoskeleton is connected to the legging tights by means of a suspension member. In the present invention, provided are buoyant sportswear, which offers good protection to veins in the lower limbs and greatly alleviates the impact on joints such as the knees, and is suitable as protective wear for veterans, athletes, and sports lovers, thereby enabling people still recovering from joint injuries to increase the amount of exercise without added risks of causing harm.

The utility model discloses a protective sleeve for preventing joint injury, which relates to the technical field of medical instruments and comprises an upper-layer protective sleeve and a lower-layer protective sleeve. The lower-layer protective sleeve is arranged below the upper-layer protective sleeve; the sponge cushion is fixedly connected to the inner side surface of the lower-layer protective sleeve; the permeation holes are formed in the surface of one side of the sponge cushion; the fixed block is fixedly connected to the outer side surface of the upper-layer protective sleeve and is fixedly connected to the outer side surface of the lower-layer protective sleeve through a connecting piece; and the telescopic elastic band is fixedly connected to the outer side surface of the fixing block. The knee joints of a wearer are wrapped by the upper-layer protective sleeve and the lower-layer protective sleeve, and meanwhile, medicines capable of relieving the pressure of the knee joints are added to the protective sleeve which can only be used for protection originally for wearing, so that the knee joints are further protected in the exercise process, and the knee joints are prevented from being damaged. Meanwhile, symptoms of knee joints of older users can be promoted.

The present invention relates to the technical field of ankle joint rehabilitation equipment, and specifically to a single-degree-of-freedom spherical passive ankle joint rehabilitation mechanism, comprising a base, a bracket, a spherical four-bar mechanism, a U-shaped frame, an ankle placement seat, a connecting plate, an expansion module and two sets of fixing modules. A motor is provided to drive the single-degree-of-freedom rotation of the spherical four-bar mechanism, thereby driving the ankle placement seat to rotate up and down and the U-shaped frame to rotate left and right, thereby realizing spatial compound movement of ankle dorsiflexion / plantar flexion, inversion / eversion, and internal rotation / external rotation; the expansion module meets the treatment needs of patients with different foot shapes, thereby further expanding the applicable population; the two sets of fixing modules enhance the stability of the ankle and effectively prevent the risk of secondary ankle injury; the mechanism has the characteristics of simple structure, easy operation, low cost, etc., and can achieve adaptation to different foot shapes of patients with ankle joint injuries without relying on a complex control system, while being effectively tightened and performing passive rehabilitation training simultaneously.

The invention relates to the technical field of rehabilitation training instruments, and discloses an ankle pump movement counter which comprises a support, and a foot support is rotatably mounted on the support. Through cooperation of the rocker arm, the sliding block and the swing arm, swing of the rocker arm is converted into reciprocating deflection of the foot support, then the ankle joint of a user is accurately dragged to complete standard ankle pump movement actions of dorsal stretching and plantar flexion, and normalization of rehabilitation training is ensured; by means of the matched design of the sliding plate and the combined groove, the swing angle of the swing arm is gradually increased, the characteristic that the initial joint movement capacity of a rehabilitation patient is weak is achieved, the patient can be guided to complete training step by step, joint injuries or body feeling discomfort caused by direct large-angle movement are reduced, and the safety and comfort of rehabilitation training are greatly improved; and counting is triggered only when the foot support drives the ankle joint to complete ankle pump movement with the standard amplitude and the sliding plate slides to the arc groove and makes contact with the travel switch, so that wrong counting of non-standard actions is effectively eliminated, and the accuracy and effectiveness of counting are ensured.

The utility model relates to the technical field of medical instruments, and discloses an adjustable fixing device for knee joint injury treatment, which comprises two first air-permeable pads, two second air-permeable pads, a third air-permeable pad and a first mounting block, and the lower ends of the first air-permeable pads and the second air-permeable pads are fixedly connected with plastic soft plates; a plurality of fixing strips are fixedly connected to the two sides of the lower end of the plastic soft plate correspondingly, second binding belts are fixedly connected to the front ends of the lower surfaces of the first breathable pad and the second breathable pad correspondingly, and hook-and-loop fasteners are arranged at the rear ends of the lower portions of the second binding belts correspondingly. The device can be adjusted according to the thickness of the legs of a patient, a personalized fixing scheme is provided, the requirements of different patients are met, the breathable cushion design is adopted, skin stuffiness and moisture caused by long-time wearing can be reduced, the comfort level of the patient is improved, and in addition, through multiple fixing mechanisms, the fixing effect is good. It is ensured that the device can be firmly fixed to the knee joint, and injury recovery is facilitated.

The invention discloses an articular cartilage stress dynamic monitoring system based on flexible sensing and AI, and belongs to the technical field of medical health monitoring. According to the invention, the problems that only single-point pressure or strain can be measured and full-field and three-dimensional stress distribution of a cartilage contact surface cannot be obtained in the prior art are solved; according to the method, the problems that the system functions stop monitoring and a closed loop from monitoring to early warning is not formed are solved, the uncertainty is quantified through the Bayesian neural network, and a reliable basis is provided for clinical decision making; by combining multi-dimensional biomechanical characteristics and an attention mechanism, a stress key area is accurately focused, the accuracy and individuation level of articular cartilage health assessment are remarkably improved, and early discovery and prevention of injuries are assisted; meanwhile, stress abnormity is graded, accurate early warning is implemented, and a personalized treatment scheme is formulated according to an uncertainty result and cartilage health indexes; a rehabilitation training plan is customized according to user conditions, and the scientificity of joint injury prevention and rehabilitation is improved.

The invention relates to the technical field of biological medicine, in particular to a traditional Chinese medicine composition for promoting regeneration of hyaline cartilage and a preparation method and application thereof. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 10-30 parts of prepared rehmannia root, 10-30 parts of astragalus membranaceus, 10-20 parts of Chinese yam, 10-20 parts of cistanche deserticola, 5-15 parts of angelica sinensis, 5-15 parts of corydalis tuber, 5-15 parts of spina date seed and 3-10 parts of safflower carthamus. The traditional Chinese medicine composition has the traditional effects of tonifying kidney and replenishing essence, tonifying qi and activating blood, and activating meridians to stop pain, and is proved to be capable of effectively relieving oxidative stress of a local microenvironment of joint injury and remodeling metabolic homeostasis of mesenchymal stem cells by up-regulating expression of HIF-1alpha and PLK1, so that regeneration of high-quality transparent cartilage is specifically induced, formation of fibrocartilage is inhibited, and the joint injury effect is improved. The composition is used for preventing or treating articular cartilage defects and osteoarthritis.

The utility model discloses a multifunctional hammer for constructional engineering, relates to the field of constructional engineering, and aims to solve the problems that an existing hammer body is simple in structure and function, cannot meet the requirements of actual use, and causes muscle fatigue and joint injury to arms of workers and even causes occupational vibration diseases in the use process. A fixing hole is longitudinally formed in the hammer body in a penetrating mode, a storage hole is formed in the side edge of the fixing hole, the storage hole is transversely formed in the middle of the hammer body, a damper is arranged in the storage hole, a hammer handle is arranged on the side edge of the damper, and the hammer handle is fixedly connected with the fixing hole. And other parts are installed below the hammer handle, so that the application range of the device is widened, the number of tools carried by the worker is reduced, and the effect that one hammer has multiple purposes is achieved.

This application relates to the field of joint modeling technology, and discloses a method for assessing the risk of knee motion injury based on viscoelastic response finite element analysis. The method includes: acquiring magnetic resonance imaging data of the knee joint; performing grayscale thresholding to segment and reconstruct a three-dimensional structural model of the knee joint from sagittal and coronal images; performing surface smoothing to obtain a three-dimensional geometric model; setting bones in the three-dimensional geometric model as homogeneous, isotropic linear elastic bodies, cruciate ligaments and menisci as isotropic viscoelastic materials, and quadriceps tendons and patellar ligaments as stiff linear spring elements; meshing the three-dimensional geometric model; setting bone-to-bone and meniscus-to-femur contact as frictionless hard contact; setting the six degrees of freedom variation of the lower surfaces of the tibia and fibula to zero to establish a finite element model of the knee joint; performing knee flexion simulations at different angles and durations and detecting the viscoelastic response of the anterior cruciate ligament and meniscus; evaluating the influence of knee flexion angle and duration on the mechanical load of the knee joint soft tissues; and thus assessing the risk of injury. This application also discloses a knee sports injury risk assessment system based on viscoelastic response finite element analysis that implements the aforementioned method. This application can provide methods and basis for assessing the potential risk of knee joint injury during sports and for targeted treatment after injury.

The invention provides methods and products to reduce one or more symptoms from injury to a synovial joint. The methods and products relate to injecting into or around cartilage of the synovial joint the peptide GsMTx4 or a composition targeting GsMTx4 to the cartilage. The synovial joint can be, for example, a knee joint, shoulder joint, hip joint, or a facet joint of the spine.

Provided herein is a composition comprising a population of mesenchymal stem cell (MSC) aggregates, wherein the aggregates have a mean diameter between 30 to 250 microns and number of cells per aggregate between 100 to 500 MSCs. Also provided is a method of producing said composition, and a method of obtaining conditioned medium from said aggregates. Both the composition comprising the aggregates, and the conditioned medium may be used to treat diseases, disorders, conditions or injuries such as age-related disorders, chronic and acute inflammatory conditions (including arthritis), degenerative joint diseases (including osteoarthritis), joint injury, chronic and acute respiratory diseases, musculoskeletal conditions, neurodegenerative diseases and / or brain injury.