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41 results about "Wrist bone" patented technology
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Wrist, also called carpus, complex joint between the five metacarpal bones of the hand and the radius and ulna bones of the forearm. The wrist is composed of eight or nine small, short bones (carpal bones) roughly arranged in two rows.
Reinforced protective glove
InactiveUS20050114982A1Improve gripFacilitate tactile perceptionGlovesProtective garmentWrist boneProximal phalanx
A protective glove is disclosed having a flexible liner conforming to the shape of a hand and wrist and having a plurality of rigid guards secured thereto over the distal, middle, and proximal phalanx bones, the metacarpals, and wrist bones of the wearer. A distal guard is shaped as a cup placed over the posterior side of the distal phalanx bone. Middle and proximal guards protect the middle and proximal phalanx bones of the hand and may be embodied as rings positioned slightly distal of the finger joints and having extensions extending distally therefrom. A metacarpal guard secures to the posterior of the glove over the metacarpals and extends toward the anterior of the hand, providing a cutout to receive the thumb. A wrist guard encircles the liner over the wrist bones and is spaced apart from the metacarpal guard to permit wrist articulation.
Owner:GREMMERT KURT A
Full wrist fusion device
ActiveUS20150094722A1Additional anti-rotational stabilityImprove stabilityInternal osteosythesisJoint implantsCarpal JointCarpal bones
Disclosed is a device for total wrist fusion that includes (a) a first section, which is preferably a plate, that is positioned under the skin on top of the forearm, wrist and potentially part of the hand and connected to one or more of the radius or carpal bones, (b) a second section, which is preferably in the shape of an awl and is received in the cannula of the third metacarpal bone. Optionally, an anti-rotational third section may be included, which can connect to the top of the third metacarpal bone.
Owner:EXSOMED CORP
A method and apparatus for detecting bone age
ActiveCN109146879AHigh precisionImprove the efficiency of detecting bone ageImage enhancementImage analysisWrist boneBone age
Embodiments of the present application provides a method and apparatus for detecting bone age, and relates to the technical field of machine learning. The method comprises the following steps: acquiring a bone age slice of a user to be detected, adjusting each bone in the bone age slice to a reference position, determining a wrist bone region from the bone age slice, then determining the number ofossification centers in the wrist bone region by using a classification model, and finally determining the bone age of the user to be detected according to the number of ossification centers in the wrist bone region. Because the number of ossification centers in the carpal region represents different bone age stages, as such, embodiments of the present application employ classification models toautomatically determine the numb of ossification centers in the carpal region, then, the bone age of the user to be detected is determined according to the number of ossification centers in the wristbone region, without artificial subjective judgment of bone age according to bone age slices, so that on the one hand, the precision of detecting bone age is improved, and on the other hand, the efficiency of detecting bone age is improved.
Owner:HANGZHOU YITU MEDIAL TECH CO LTD
Wrist joint prosthesis
PendingCN112294500ARealize the circular motion functionImprove wrist mobilityWrist jointsAnkle jointsWrist boneCarpal Joint
The invention provides a wrist joint prosthesis. The wrist joint prosthesis comprises a carpal prosthesis and a radius prosthesis, wherein the carpal prosthesis is provided with a first curved surface, the radius prosthesis is provided with a second curved surface matched with the first curved surface in shape, and the carpal prosthesis and the radius prosthesis are connected in an abutting mode in the first direction through the first curved surface and the second curved surface. The carpal prosthesis is configured to be rotatable relative to the radius prosthesis around a second direction and a third direction which are perpendicular to the first direction, and one end used for being connected with carpal, of the carpal prosthesis is rotatable relative to one end used for being connectedwith the radius, of the radius prosthesis around the first direction. According to the configuration, one end used for being connected with carpal, of the wrist joint prosthesis is configured to rotate around the first direction relative to one end used for being connected with the carpal, of the radius prosthesis, so that the wrist joint prosthesis can achieve the circling motion function of a radial wrist joint, the wrist joint mobility of a patient is improved, and the satisfaction degree of the patient is increased.
Owner:苏州微创感动赋能医疗科技有限公司
Multi-degree-of-freedom flexible dexterous hand based on shape memory alloy
InactiveCN111993449ASimple structureReduce volumeProgramme-controlled manipulatorGripping headsLittle fingerWrist bone
The invention discloses a multi-degree-of-freedom flexible dexterous hand based on a shape memory alloy. The multi-degree-of-freedom flexible dexterous hand comprises a wrist bone, a thumb, an index finger, a middle finger, a ring finger, a little finger and a joint mechanism, wherein each finger comprises a metacarpal bone and a bendable section coated with a flexible material, the bendable section of the thumb is fixed on a connector and directly connected with the metacarpal bone, the metacarpal bone of the thumb and the wrist bone are connected by utilizing a cross-shaft joint, the two rotating degrees of freedom for the forward and lateral swinging of the thumb are achieved, the bendable sections of the other four fingers are fixed on the connector, are connected with the corresponding metacarpal bones through rotating-shaft joints, and have the rotating degree of freedom for lateral swinging, and the metacarpal bone of the four fingers are directly and fixedly connected onto thewrist bone; through the heating arrangement of the shape memory alloy inside the bendable sections and on the lateral surfaces of the fingers, the bendable section are driven to bend and deform as well as the joints are driven to swing; and through one or more flexible sensor arrays that cling to the surfaces of the fingers, the bending and swinging angles of all the fingers can be detected. The multi-degree-of-freedom flexible dexterous hand is simple in structure, is low in cost, and can be applied to the fields of artificial limbs, manipulators and the like.
Owner:UNIV OF SCI & TECH OF CHINA
Bone age evaluation method and system based on graph convolutional neural network, terminal and storage medium
PendingCN111882517AAchieve precisionEfficient deliveryImage enhancementImage analysisWrist boneEpiphysis
The invention provides a bone age evaluation method and system based on a graph convolutional neural network, a terminal and a storage medium. The method comprises the steps: obtaining N target epiphysis of a wrist bone image; adopting a feature extraction network model to extract initial features X of N target epiphysis and nearby areas of the wrist bone image; adopting a context feature fusion network model based on a graph convolution network, adding the initial feature X and the context feature subjected to multilayer graph convolution to obtain a final fusion feature, inputting the fusionfeature into a prediction distribution network model, and predicting to obtain development level distribution of N target epiphysis, correspondingly calculating development grade expectation and variance, development score expectation and bone maturity total score; and performing calculating to obtain a final bone age prediction value according to a bone age standard by utilizing the predicted development grade and the calculated bone maturity total score. Context feature fusion is realized through the graph convolution network to promote information communication among different local bone regions, accumulated bone age errors are avoided through a bone maturity total score loss function, and bone age evaluation accuracy and robustness are realized.
Owner:HANGZHOU SHENRUI BOLIAN TECH CO LTD +1
A wrist bone interest region cutting method based on machine learning
ActiveCN109948614APrecise cuttingImprove recognition rateCharacter and pattern recognitionWrist boneFeature extraction
The invention discloses a wrist bone interest region cutting method based on machine learning, which utilizes a machine learning method to segment a medical image, and achieves a better effect throughthe combination of central point cutting and cutting frame size self-adaption. According to the method, on the premise that it is guaranteed that the size of each individual is independent, more accurate cutting and feature extraction are conducted on each wrist bone picture. According to the method, the self-adaptive cutting frame can be generated for any height and age, and data support is provided for more accurate judgment of the wrist bone grade. The method can be applied to feature region cutting in the field of image recognition, and the recognition rate of the deep learning network isgreatly increased.
Owner:浙江康体汇科技有限公司
Wrist bone fracture patient bathing device used in orthopedics department
The invention relates to a bathing device, in particular to a wrist bone fracture patient bathing device used in the orthopedics department and aims to provide a wrist bone fracture patient bathing device which can protect the wrist of a wrist bone fracture patient, prevent water from being splashed onto a wound and provide convenience for bathing and is used in the orthopedics department. According to the technical scheme, the wrist bone fracture patient bathing device used in the orthopedics department comprises a base plate, a 7-shaped plate, a water pipe, a spray head, a water outlet pipe,a frame body, a first sliding rail and the like. The 7-shaped plate is installed on the left side of the top of the base plate, the frame body is installed at the upper portion of the left side facein the 7-shaped plate, the middle of the right side of the frame body is provided with an opening, and the right side of the top of the frame body is provided with a wire guiding hole. The fractured hand stretches into a sleeve so that the hand can be protected, water can be prevented from being splashed onto the wound, and the arm of the bone fracture patient can be cleaned through a cleaning device, namely cleaning of the bone fracture patient's hand in the sleeve is not needed. The wrist bone fracture patient bathing device used in the orthopedics department is convenient, provides more convenience to use shower gel through a liquid outlet device and makes the patient in bathing cleaned thoroughly.
Owner:李媛
Hand bone X-ray film bone age evaluation method based on heterogeneous data fusion network
ActiveCN110503635AImprove efficiencyHigh speedImage enhancementImage analysisWrist boneFeature extraction
A hand bone X-ray film bone age evaluation method based on a heterogeneous data fusion network comprises: 1, preprocessing an X-ray film image, and extracting a wrist bone part in the image; step 2, constructing a convolutional neural network to extract image features; 3, constructing a text feature extraction model; 4, constructing a fusion layer, and combining the image features and the text features; step 5, model training: after sufficient convergence, storing and exporting a model structure and weight parameters; and performing bone age evaluation on the hand bone X-ray film by using thefusion network obtained by training. According to the invention, the accurate bone age can be obtained by analyzing the hand bone X-ray film by using the text information and the X-ray film image information.
Owner:浙江飞图影像科技有限公司
Combined type semi-limited multi-pole artificial wrist joints
ActiveCN111134909ANot easy to come outHas a buffering effectWrist jointsAnkle jointsArticular surfaceCapitate bone
The invention discloses combined type semi-limited multi-pole artificial wrist joints which can also be called semi-limited double-pole artificial wrist joints. According to the specific pathologicalconditions of damage to wrist joint bones, different assembling and matching manners can be selected, for example, if the pathological conditions show that palm carpus joint surfaces are complete andsclerotin is still good, most of distal row carpi (with small multi-angle bones and capitate bones) can be retained, but if proximal row carpi (navicular bones and lunate bones) and wrist radius jointsurfaces are broken, model selection assembly of proximal row carpectomy excision can be performed; and the artificial wrist joints can also adopt another assembling and matching manner, called semi-limited multi-pole artificial wrist joints, double-row carpi on carpi which are pathologically destroyed can be excised, mutual-matched assembly of palm joints, wrist joints and radius joints can be formed, and flexible, convenient and ideal surgical results can be brought for a person subjected to a surgery.
Owner:贵州澳特拉斯科技有限公司
All-trans wrist joint prosthesis retaining function of distal radioulnar joint
PendingCN113633441ARecovery functionImprove fault toleranceAnkle jointsJoint implantsGonial angleCarpal Joint
An all-trans wrist joint prosthesis retaining the function of a distal radioulnar joint comprises a carpal bone base, a carpal bone joint fossa, a movable ball and a radial handle, and a wrist bone marrow needle is arranged on the carpal bone base; the carpal joint fossa is connected with the carpal base through a connecting plate; the movable ball body is of an elliptical hemispheroid structure matched with the lower surface of the carpal joint fossa; the movable ball body is connected with the radius handle through the radius connecting plate, the radial bone marrow needle and the ulna bone marrow needle are arranged below the radius handle, a lock hole is formed in the upper surface of the ulna bone marrow needle, a limiting lock catch is arranged below the radius handle, and the ulna bone marrow needle is connected to the limiting lock catch through the lock hole. The defects in the prior art are overcome, and a larger movement range is obtained through the design of the reverse wrist joint; and through the detachable design of the carpal joint fossa and the movable ball body, the material cost for rebuilding is greatly reduced, and meanwhile, the angle of the prosthesis joint surface can be adjusted, so that the optimal palmar inclination angle and the optimal ulnar deflection angle can be conveniently adjusted, and the error-tolerant rate of osteotomy in an operation is improved.
Owner:SHANGHAI CITY PUDONG NEW AREA GONGLI HOSPITAL
Wrist scaphoid bone replacement prosthesis
PendingCN114129310AEasy to integrateAchieving a compression anti-rotation fixationBone implantTomographyWrist boneScaphoid bone fracture
The invention discloses a wrist part scaphoid bone replacement prosthesis, which is characterized by comprising a replacement part scaphoid bone, a residual healthy scaphoid bone, an anti-rotation forcing screw and a transplantation prosthesis, the replacement part navicular bone is a part of the carpal navicular bone, the transplantation prosthesis is fixedly connected with the residual healthy navicular bone, one end of the anti-rotation forcing screw is fixedly connected to the transplantation prosthesis, and the other end of the anti-rotation forcing screw is fixedly connected to the residual healthy navicular bone; according to the prosthesis, a three-dimensional scaphoid model of a patient is constructed through three-dimensional CT scanning of the scaphoid of the carpal bone at the intact position of the patient, and a three-dimensional model of a scaphoid replacement part is obtained by mirroring the three-dimensional model. Therefore, the scaphoid fracture healing process is directly simplified, the conditions of slow healing, non-healing and ischemic death of the two scaphoids after scaphoid fracture are avoided, the scaphoid fracture rehabilitation speed of the carpal bone is increased, the inconvenience of wrist movement caused by scaphoid fracture healing disorder in the later period is avoided, the later-period hidden danger is eliminated, and the postoperative rehabilitation quality of a patient is guaranteed.
Owner:中国人民解放军联勤保障部队第九二〇医院
Weighted bone age evaluation method and system based on deep learning
The invention discloses a weighted bone age evaluation method and system based on deep learning. The method comprises the following steps: preprocessing an X-ray image of a hand bone of a tester; then carrying out coarse segmentation to respectively obtain a carpal bone and radioulnar bone region-of-interest set and a region-of-interest set corresponding to different metacarpal and phalanx; inputting the roughly segmented region-of-interest set into a hand bone fine segmentation model to obtain a plurality of finely segmented hand bone regions-of-interest; inputting a hand bone classification rating model to obtain a classification and development grade corresponding to each hand bone; according to the metacarpal and phalanx and ulna development maturity evaluation chart, obtaining the bone age evaluated by the RUS-CHN method according to the classification and development grade corresponding to each hand bone; according to the wrist bone development maturity evaluation chart, obtaining the bone age evaluated by the TW3-C Carpal method according to the classification and development grade corresponding to each wrist bone; and carrying out weighted summation on the bone ages evaluated by the two methods to obtain a final bone age evaluation result of the testee.
Owner:INNER MONGOLIA UNIVERSITY
Wrist bone mineral density detection instrument
InactiveCN110680359AEasy to placeSimple structurePatient positioningOrgan movement/changes detectionWrist boneMineral density
The invention discloses a wrist bone mineral density detection instrument which comprises a hollow square frame body, wherein a first bone mineral density detection probe is arranged on the inner topwall of the hollow square frame body; a second bone mineral density detection probe is arranged on the inner left side wall of the hollow square frame body; a control display screen and a battery connected with the control display screen are arranged at the upper part of the hollow square frame body; and a camera is arranged at the upper part of the control display screen. The wrist bone mineral density detection instrument has the advantages that the structure is simple; the wrist can be well put; the bone mineral density of the wrist in two directions can be detected at the same time; the detection can be shot through the camera; the detection results of the detection probes are automatically stored into a storage module corresponding to a detected person all together; and the detectionresults can be acquired and checked at any time.
Owner:XUZHOU PINYUAN ELECTRONICS TECH
Bone age evaluation method and device based on deep convolutional neural network and feature fusion, and computer readable storage medium
PendingCN114240874AAutomatically implement the exportRelieve stressImage enhancementImage analysisWrist boneBone age
The invention provides a bone age evaluation method and device based on a deep convolutional neural network and feature fusion and a computer readable storage medium, and the method comprises the following steps: collecting wrist bone X-ray films, and classifying the wrist bone X-ray films to form a wrist bone X-ray image set; randomly selecting a training image and a test image, marking an ROI region based on a TW scoring method, constructing a target detection neural network applying a YOLO model, and inputting the training image and the test image into the target detection neural network to form a deep convolutional neural network; training images are randomly selected and input to the deep convolutional neural network, global feature information of the training images is extracted by the deep convolutional neural network, local feature information of the training images is extracted based on the target detection neural network, and the global feature information and the local feature information are fused to obtain a bone age evaluation result. After the technical scheme is adopted, full automation of bone age evaluation can be realized, the network performance is improved, and the accuracy of bone age evaluation is further improved.
Owner:杭州博钊科技有限公司 +1
Combined semi-limiting multipolar artificial wrist joint
PendingUS20210045890A1Easy to assembleFlexible movementWrist jointsAnkle jointsArticular surfacesProximal carpal bone
The present invention discloses a combined semi-limiting multipolar artificial wrist joint, or “semi-limiting bipolar artificial wrist joint”, and be selected and assembled based on the specific pathological conditions of wrist bone destruction. For instance, the metacarpal bone articular surface is shown to be complete and the bone quality is good, and most of the far carpal bones (including small polyangular bones and head bones) can be preserved, while the proximal carpal bones (scaphoid and lunate) and the articular surface of the carpal radius are broken, and the proximal carpal bones are to be excised. The artificial wrist joint can also be assembled in another way, which is called “semi-limiting multipolar artificial wrist joint”, wherein the pathologically damaged double carpal bones are excised to form an inter-matching assembly of palm, wrist and radius joints.
Owner:ZHU HONGWEN
Bone age evaluation method and device based on deep convolutional neural network, and computer readable storage medium
PendingCN114255211AImplement automatic exportImprove the efficiency of bone age assessmentImage enhancementImage analysisWrist boneBone age
The invention provides a bone age evaluation method and device based on a deep convolutional neural network and a computer readable storage medium, and the method comprises the steps: collecting a wrist bone X-ray film calibrated with bone age information, constructing a first deep convolutional neural network based on a UNet algorithm to carry out the image segmentation of the wrist bone X-ray film, so as to obtain a preprocessed image set, partial images are selected as training set images, and the rest images are selected as test set images; constructing a second deep convolutional neural network based on a DenseNet algorithm, and inputting the training set image to train parameters of the second deep convolutional neural network so as to obtain a trained second deep convolutional neural network, the trained second deep convolutional neural network having learned network weight parameters; and inputting the test set image into a trained second deep convolutional neural network, and outputting a bone age evaluation result after iteration of the trained second deep convolutional neural network. After the technical scheme is adopted, the bone age evaluation result can meet the requirements of clinical application.
Owner:杭州博钊科技有限公司
Multi-classifier wrist bone grade recognition method based on height and age
ActiveCN109961099AAlleviate the drop in accuracyImprove accuracyCharacter and pattern recognitionWrist boneBone age
The invention discloses a multi-classifier wrist bone grade recognition method based on height and age. According to the method, on the basis of a deep learning network regression model based on height and age information and a plurality of three-classification deep learning network classification models, an approximate range of grades is obtained through the regression model, and then corresponding classifiers are selected to accurately classify the grades of bones. According to the method, the bone age grade judgment accuracy can be effectively improved, and the final bone age judgment erroris reduced.
Owner:浙江康体汇科技有限公司
Fixing device for wrist bone fracture
The invention relates to a fixing device for wrist bone fracture. The fixing device is used for fixing an arm, a wrist and finger bone fracture in the auxiliary rehabilitation process, , and is characterized in that three arc-shaped supporting plates are connected with one another in sequence on the side surfaces of the supporting plates through flexible connecting bands; an elbow is arranged at the same end part of each supporting plate; an arc-shaped groove is formed in the length direction of the plate surfaces in the plate surfaces of three supporting plates; the opening direction of the arc-shaped groove is reversed to the bending direction of the elbows; cracks are uniformly formed in the side surfaces of the supporting plates positioned on the outer side; a thumb plate can be selectively inserted in each crack; a transversal fixing band and a longitudinal fixing band are fixed on the supporting plate positioned at the middle part through rivets; one end part of a thumb plate connecting band and a thumb fixing band are both fixed on the thumb plate through rivets; the other end of the thumb plate connecting band is connected onto the longitudinal fixing band through rivets. The fixing device is free of limitation of a left hand and a right hand, that is the left hand and right hands can use the fixing device; meanwhile, the fixing device is suitable for patients in different physiques.
Owner:毕玉芳
Wrist joint prosthesis with surface hydroxyapatite HA modified microporous titanium
PendingCN114224572APromote osteogenic differentiationEasy to loosenAdditive manufacturing apparatusWrist jointsOsseointegrationEngineering
The invention discloses a wrist joint prosthesis with surface hydroxyapatite HA modified microporous titanium. The wrist joint prosthesis comprises a hemispherical cup, a radial handle, a movable hemisphere, a carpal bone platform and a metacarpal bone fixing handle. Titanium alloy (Ti6Al4V) is used as a material and is integrally manufactured in a laser 3D printing mode, the surface is covered with an HA coating through a plasma spraying technology, the HA coating can ensure that calcium and phosphorus ions are slowly released around the prosthesis, so that cell osteogenic differentiation is promoted, better bone ingrowth is achieved, the problem that middle and long-term prostheses are prone to loosening is solved, and the prosthesis has a good application prospect. Meanwhile, the HA coating can enable the surface of the prosthesis to become rough and can also be coated with an anti-infection coating, so that the prosthesis has antibacterial ability, and the problem that infection is likely to occur in the early stage of replacement is solved; the surface of the prosthesis is designed to be conical circular rings stacked layer by layer, friction force is increased, anti-pullout performance is improved, the surfaces of the radius assembly, the carpal assembly and screws on the two sides are all provided with HA coatings, and therefore better osseointegration is achieved.
Owner:中国人民解放军联勤保障部队第九二〇医院
Ergonomic wristband with device support means
PendingCN111053332AElectronic time-piece structural detailsClockwork casesWrist bonePhysical medicine and rehabilitation
A wristband assembly for supporting a device on a wrist, the wristband assembly comprising: a wristband; fastening means to releasably secure the device to the wristband; and at least one distal forearm engaging portion to mount the fastening means over an inner wrist bone of the wrist, whereby the fastening means is configured to mount the device to the wristband and onto the side of the wrist.
Owner:V·B·帕西班 +1
Wrist bone grade recognition method based on secondary classification
ActiveCN109977864AAccurate judgmentGood effectBiometric pattern recognitionWrist boneSupport vector regression machine
The invention discloses a wrist bone grade recognition method based on secondary classification. According to the invention, a deep learning method is used for judging the medical image, and the support vector machine and the deep learning network are combined for use to achieve a better effect. On the premise that judgment of other types of pictures is not affected, the more accurate judgment canbe made on a small number of types of pictures.
Owner:浙江康体汇科技有限公司
A multi-classifier wrist bone grade recognition method based on height and age
ActiveCN109961099BAlleviate the drop in accuracyImprove accuracyCharacter and pattern recognitionPattern recognitionWrist bone
Owner:浙江康体汇科技有限公司
Artificial simulation arm
InactiveCN100542505CMeet the requirements of mechanical transmissionFunctional Movement FlexibilityArtificial handsDistal tendonProximal radius
The invention discloses an artificial artificial arm, aiming to provide an artificial arm with multiple functions, zero error rate and no complications. It consists of artificial finger bones, metacarpal bones (10), ulna (16), radius bones (17), tendons, tendon sheaths, pulleys (4) and skin (1); the interphalangeal joints of the artificial fingers are hinged, as are the phalanx and metacarpal bones. Hinged, the metacarpal bone and the radial bone are connected by a ball-and-socket joint; the distal end of the tendon covered with a closed tendon sheath is fixed on the distal phalanx (3) of each finger bone on both sides of the palm and the back of the hand, and the middle of it is made by an artificial pulley (4). The tendon is attached to each finger bone and wrist joint, and the proximal end enters and exits from the radial bone on both sides of the palm and the back of the hand. There are two holes communicating with the inner cavity of the radius; artificial skin can be made into gloves; artificial arms pass through The self-tapping thread is screwed into the stump of the radius of the human body, and the proximal end of each artificial tendon is sutured and connected with the corresponding tendon of the human body. The invention is suitable for patients with amputation at the distal end of the forearm.
Owner:张为众
Bionic tension and compression body two degrees of freedom mechanical wrist
ActiveCN113524243BAchieve complianceImprove securityProgramme-controlled manipulatorJointsEngineeringMechanical engineering
A two-degree-of-freedom mechanical wrist with bionic tension and compression body, including the distal arm, wrist and palm; the 3D printed skeleton is connected by 21 braided artificial ligaments to form a bionic mechanical wrist composed of the radiocarpal joint and the middle wrist joint, which is responsible for The 7 ligaments constraining the range of motion of the wrist joint are adjustable in length, and are driven by motors through 4 artificial tendons to achieve extension, flexion, abduction and adduction. The mechanical wrist can imitate the two degrees of freedom of the human wrist, and both of them are actively driven, which realizes the mobility and flexibility close to the human wrist, and has high safety. The movement of the wrist bone can further improve the output torque and output torque of the wrist joint. speed.
Owner:JILIN UNIV
A bone age detection method and device based on deep learning
Owner:ZHEJIANG UNIV +1
A bone age assessment method based on heterogeneous data fusion network in X-ray films of hand bones
ActiveCN110503635BImprove efficiencyHigh speedImage enhancementImage analysisWrist boneFeature extraction
A method for bone age assessment of hand bone X-ray films based on heterogeneous data fusion network, comprising the following steps: Step 1, preprocessing the X-ray film images, extracting the wrist bone parts in the images; Step 2, constructing a convolutional neural network to extract Image features; Step 3, build a text feature extraction model; Step 4, build a fusion layer, merge image features and text features; Step 5, model training, after full convergence, save and export the model structure and weight parameters; use the fusion obtained from training Network for bone age assessment on x-rays of hand bones. The present invention can utilize the text information and the X-ray film image information to analyze the hand bone X-ray film to obtain accurate bone age.
Owner:浙江飞图影像科技有限公司
A machine learning-based cutting method for regions of interest in wrist bones
ActiveCN109948614BPrecise cuttingImprove recognition rateCharacter and pattern recognitionWrist boneLearning methods
The invention discloses a method for cutting a wrist bone interest region based on machine learning. The invention uses the machine learning method to segment medical images, and achieves better results through the combination of center point cutting and self-adaptive cutting frame size. The method of the present invention makes a more precise cutting and extracts features for each wrist bone picture on the premise of ensuring that each individual is independent in size. The invention can generate an adaptive cutting frame for any height and age, and provides data support for more accurate determination of wrist bone grade. The method of the present invention can be applied to feature region cutting in the field of image recognition, which greatly improves the recognition rate of the deep learning network.
Owner:浙江康体汇科技有限公司
Bone age marker recognition and evaluation method and system based on deep learning and radiomics
ActiveCN107591200BImprove recognition accuracySolve the problem of insufficient training dataInformaticsInstrumentsWrist boneNerve network
The invention discloses a bone age mark identification assessment method and system based on deep learning and image omics. The bone age mark identification method includes the steps: performing preprocessing of window adjusting, alignment and standardization on the wrist bone image; using a bounding box to mark the bone age characteristic areas and mark the coordinates, wherein the bone age characteristic areas include a metacarphphalangeal group and a brachidium group according with a TW3 method; according to the requirement, performing augmentation processing, and inputting the wrist bone image data to a convolutional neural network of the area based on ResNet-101 to perform multi-task (positioning, classification and assessment) training at the same time; and based on the bone age characteristic areas, combining with the clinic information (demographic characteristics and inspection reports) to further train and improve the bone age assessment speed and accuracy. The bone age markidentification assessment method and system based on deep learning and image omics firstly utilize a small number of marked samples to perform preliminary training on the bone age model, and utilize the model with relatively higher positioning detection accuracy to automatically mark a large number of samples so as to realize automatic positioning, classification and bone age assessment of the bone age characteristic areas.
Owner:WINNING HEALTH TECHNOLOGY GROUP CO LTD
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