40 results about "Humerus" patented technology

An apparatus can include an osteotome blade including an elongate main body extending from a proximal end to a distal end, the elongate main body having a curved cross-section and defining a helical path along at least a portion of a longitudinal axis of the elongate main body, wherein the distal end includes a distal cutting edge.

The invention discloses a diagnosis method and system for glenoid cavity and humeral head defect areas, and belongs to the technical field of image processing, and the method comprises the steps: obtaining the medical image data of a glenoid cavity and a humeral head to be processed; inputting the medical image data into a preset segmentation model to obtain a segmentation result of the glenoid cavity and the humerus head; based on the segmentation result, calculating the defect area and defect proportion of the glenoid cavity; and determining the defect degree of the humerus head based on the defect proportion. According to the diagnosis method and system for the glenoid cavity and humeral head defect area, an efficient and accurate intelligent diagnosis auxiliary tool is provided for clinic, and the good application prospect and popularization value are achieved.

A repair device for a proximal humeral fracture includes a stable structure, and the stable structure is connected to a humerus through a humeral medullary cavity supporting portion, a first insertion body, a fitting portion, and a second insertion body. The first insertion body is coupled to the second insertion body, the first insertion body is connected to a humeral head, and the second insertion body is clamped on the fitting portion. After the repair device is implanted into a body of a patient, a fractured site of the patient almost can take full-range early activities upon a surgery. A threaded end of the first insertion body is fixedly connected to the humeral head to realize fixed connection between the repair device and the humeral head. The second insertion body is connected to the first insertion body in an adjustable manner.

The utility model discloses a novel compression steel plate based on a distal humerus three-dimensional triangular structure, which comprises a distal humerus, an outer side plate is mounted on the outer side of the distal humerus, an inner side plate is mounted on the inner side of the distal humerus, a Y-shaped part is arranged at the bottom of the outer side plate, a plurality of first screw locking holes are formed in the Y-shaped part, and a plurality of second screw locking holes are formed in the first screw locking holes. The novel pressurizing steel plate comprises an outer side plate and an inner side plate, a plurality of first pressurizing locking holes are formed in the surface of the outer side plate, vertical reinforcing strips are fixedly connected to the two sides of the outer side plate and the two sides of the inner side plate, and a plurality of transverse reinforcing strips are evenly and fixedly connected to the surface of the outer side plate and the surface of the inner side plate. The novel steel plate fixes the inner side and the outer side of the far end of the humerus, meanwhile, a novel arch bridge structure based on a far-end articular surface is formed, firmer fixation and broken end pressurization are provided, and functional exercise can be carried out earlier after restoration is completed.

The present invention provides a method and system for locating shoulder cysts based on magnetic resonance imaging (MRI) images, which relates to the technical field of medical image processing. The method includes: acquiring multiple MRI images; respectively constructing a target detection model for the humeral head region and a target detection model for cysts based on a deep learning algorithm; inputting the MRI images into the target detection model for the humeral head region for detection and outputting an image of the humeral head region; inputting the image of the humeral head region into the target detection model for cysts for detection and outputting an image of the cyst region; and determining the position of the cyst according to the center point coordinates of the cyst region image through a spatial positioning algorithm. The present invention reduces the influence of MRI images by speckle noise and echo perturbation, as well as the dependence on doctors' cognitive abilities and clinical experience, improves the image quality, makes the difference between cysts and normal tissues more obvious, and avoids confusing cysts with fluid accumulation caused by rotator cuff injuries.

This invention relates to the field of medical devices and discloses an auxiliary tool for closed reduction of humeral fractures, comprising: a fixation body having a reduction channel formed inside, wherein at least two sides of the fixation body are respectively provided with openings communicating with the reduction channel; and a reduction module that can enter the reduction channel from any of the openings, wherein the reduction module can move and be positioned along a direction close to or away from the central axis of the reduction channel, wherein there are multiple reduction modules. This invention inserts multiple reduction modules from different openings to construct a customizable, multi-point contact and support structure within the reduction channel, and does not require manual positioning or additional trauma to the injured limb, thus achieving less trauma, higher stability, and more flexible operation in assisting closed reduction of humeral fractures.

To provide an arm correction wearing tool and arm correction wear which can support the supination movement of the arm and easily correct the twisting of the arm. [Solution] The arm corrective wearing device 10 comprises an arm covering part 11 that covers at least from the shoulder to the elbow on one side, and an arm belt 12 that is disposed on the arm covering part 11 and extends from the shoulder to the front, passing through the muscle belly of the biceps brachii muscle and around the inside of the arm, passing through the muscle belly of the triceps brachii muscle and around the outside of the arm from the humerus side of the olecranon, and then extending along the proximal part of the radius of the forearm. The arm belt 12 supports the supination movement of the arm and supports part of the forearm while imitating the tendon of the biceps brachii muscle.

The invention discloses a proximal humerus fracture adjustable repositor, and relates to the field of orthopedic medical technology, the proximal humerus fracture adjustable repositor comprises a first main rod and a second main rod, one side of the surface of the first main rod is provided with an annular groove, and the interior of the annular groove is slidably connected with a sleeve in threaded connection with the surface of the second main rod; an adjusting assembly used for independently adjusting the kirschner wire in a three-dimensional mode is arranged outside the second main rod, and an anti-displacement assembly used for limiting the kirschner wire is arranged outside the adjusting assembly. The humerus reduction ring rotates in the mounting groove to enable the first threaded kirschner wire to achieve forward and backward inclination adjustment, the rotation angle of the humerus head relative to the backbone is adjusted through sliding of the first threaded kirschner wire in the adjusting groove, and three-dimensional adjustment of the first threaded kirschner wire is achieved through axial traction, forward and backward inclination angle adjustment and control of the rotation angle. Therefore, the resetting accuracy is improved.

The invention relates to the technical field of medical auxiliary equipment, in particular to an intramedullary supporting device for proximal humerus fracture repair, which comprises an intramedullary nail part and a sighting device, the intramedullary nail part comprises a proximal connector and a main nail, and an elastic release assembly is arranged on the proximal connector; the near-end connector is fixedly connected with an upper connecting seat, and the main nail is fixedly connected with a lower connecting seat; a rotating hinge shaft, a locking screw and a ratchet wheel hinge assembly are arranged between the upper connecting seat and the lower connecting seat, a rotating hole is formed in the upper connecting seat, and an adjusting hole is formed in the lower connecting seat; locking screw holes are formed in the upper connecting base and the rotating hinge shaft, and a plurality of locking grooves are formed in the lower connecting base. Through the separated intramedullary nail design, the ratchet wheel damping type hinge piece is combined to achieve intraoperative dynamic gradient adjustment of the main nail near end and the main nail in-vitro turning angle, and the humerus pitch screw is combined to fix the posterior inner side cortex of the humerus head so as to adapt to the anatomical difference of the individual humerus, and the fixing stability is improved.

The application discloses a multifunctional electronic assisting device and relates to the technical field of electronic assisting devices, which comprises a glove, a ulna connecting sleeve connected to one end of the glove, a radius connecting sleeve connected to one end of the ulna connecting sleeve, an elbow joint protective cover fixedly connected to one end of the radius connecting sleeve, and a humerus connecting sleeve fixedly connected to one end of the elbow joint protective cover. When the driving rod slides in the spiral groove, the transmission bar can be lowered, and the piston rod can be lowered synchronously in the process, so that the air in the piston cylinder is filled into the inside of the inflatable cotton through the inflation pipe, the elbow is assisted in the process of rapid expansion of the inflatable cotton, and the elbow is protected, so that the elbow is prevented from being injured due to the elbow being supported on the ground due to the instinctive reaction when a person falls down during the use of the device. The elbow joint protective cover is thickened in the process of expansion of the inflatable cotton, so as to play a buffering role on the elbow.

The application discloses an upper limb rehabilitation exoskeleton with a shoulder-humerus linkage mechanism and belongs to the field of rehabilitation devices. The upper limb rehabilitation exoskeleton comprises a support platform, a shoulder-humerus linkage mechanism, a shoulder joint mechanism, a large arm and an elbow joint mechanism, a forearm and a hand mechanism. The shoulder-humerus linkage mechanism is slidingly connected to the support platform, the shoulder joint mechanism is connected to the free end of the shoulder-humerus linkage mechanism, the large arm and the elbow joint mechanism are connected to the free end of the shoulder joint, and the forearm and the hand mechanism are connected to the free end of the large arm and the elbow joint mechanism. The linkage joint actuator is connected to gear reduction boxes, worm and gear reduction boxes and other components, the rotation center of the exoskeleton shoulder joint on the frontal plane can rotate around the set point, the rotation center offset of the human body shoulder joint abduction and adduction can be followed, the dislocation of the human body upper limb when moving with the exoskeleton can be reduced, and the wearing comfort of the exoskeleton is improved. The shoulder-humerus linkage mechanism of the exoskeleton is simple in structure, reliable in movement and lower in cost compared with the motor-driven active shoulder following mechanism.

The utility model relates to a cushion block capable of preventing ulnar nerve injury, which comprises a body, the body is in a rectangular block shape and is made of soft materials, and the upper end face of the body is provided with a groove-shaped clamping groove. The cross section of the clamping groove is in a circular arc shape, the clamping groove penetrates through the body in the axial direction of the clamping groove, and the arm near the olecranon of the ulna of a patient can be placed in the clamping groove. The two bodies are used in pairs and are respectively padded below the ulna and humerus in front of and behind the olecranon of the ulna of a patient, so that the olecranon of the ulna is separated from the hand placing plate, the ulna nerve at the olecranon is decompressed, and the ulna nerve is prevented from being damaged due to long-time compression. In addition, standardized operation and management are facilitated, and favorable conditions are created for improving operation quality.

The utility model relates to an adjustable integrated splint for adult proximal humerus fracture, and belongs to the field of medical instruments. Comprising a clamping plate mechanism, a plurality of clamping buckles, a three-way inserting buckle, a plurality of fixing binding belts, a connecting binding belt, a forearm hanging belt and a plurality of buckles shaped like a Chinese character'ri '. The three-way buckle is arranged at one end of the clamping plate mechanism, the multiple fixing bandages penetrate through the clamping plate mechanism side by side, the ends of the fixing bandages are connected with the multiple buckles in a one-to-one correspondence mode, the two ends of the connecting bandages are connected with the other end of the clamping plate mechanism and the forearm hanging belt in a one-to-one correspondence mode, and the buckles shaped like the Chinese character'ri 'are arranged on the fixing bandages and the forearm hanging belt. The clamping plate mechanism and the fixing bandage are wound on the big arm of a patient, and when the front arm hanging belt is hung on the neck of the patient through the buckle shaped like the Chinese character'ri ', the forearm of the patient is placed in the front arm hanging belt. By means of multiple fixation, the integral external fixation which can stably pressurize the proximal humerus fracture of an adult and is convenient to adjust and disassemble is formed.

Stemless components and fracture stems for joint arthroplasty, such as shoulder arthroplasty, are disclosed. Also, methods and devices are disclosed for the optimization of shoulder arthroplasty component design through the use of medical imaging data, such as computed tomography scan data.

Systems and methods for assisting alignment of humeral or femoral stems during replacement surgery. In some embodiments, a slotted disk is configured to position a prosthetic stem into a canal in the humerus when the stem is driven through the slot. In another illustrative embodiment, a similar slotted disk structure is configured to position a prosthetic stem into a canal in the femur. In some embodiments, the dimensions of the slotted disk are configured to fit the surface of a surgical bone cut after the natural humeral head has been removed. The slotted disk may have a slot that is an integral part of the disk or one that is separately attachable.

The present invention provides an upper limb fixing frame for neonatal surgery, belonging to the technical field of neonatal surgery. It includes a main annular bracket, characterized in that a secondary annular bracket is installed on the side of the main annular bracket; an auxiliary clamping component, which is used to enhance the fixation at the upper limb humeral fracture of a neonate, and the auxiliary clamping component is interconnected with the main annular bracket and the secondary annular bracket. Through the above-mentioned auxiliary clamping component, the sliding plate is slid to a position where it can be clamped with the secondary annular bracket, so as to fix the position of the secondary annular bracket in the inner cavity of the main annular bracket. Finally, the main annular bracket and the secondary annular bracket are stretched to ensure that the main annular bracket and the secondary annular bracket can completely cover the position of the upper limb humeral fracture of the neonate. On the one hand, the installation efficiency is improved, saving time and effort. On the other hand, the adaptability effect can be improved by continuously changing the position, reflecting the adaptability of the device, so as to ensure the recovery of the fracture position of the neonate.

A radial capitellum prosthesis (1), comprising: - a radial head (2) shaped and designed to engage the humeral capitellum (3) of a patient; - a bipolar collar (4) rotatably associated with the radial head (2) by means of a ball joint (5) defined, with respect to the radial head (2), at the opposite end with respect to the end designed to engage the radial head; - a radial stem (6) associated with the bipolar collar (4) at the opposite end with respect to the ball joint (5) and designed to be fitted onto the distal end of the previously-prepared radius (7) of a patient.

The utility model discloses a humeral intramedullary nail sighting device and a humeral fixing system and belongs to the technical field of medical instruments, the humeral intramedullary nail sighting device comprises a sighting frame and a connecting piece, the front end of the connecting piece is used for being detachably connected with the near end of a humeral intramedullary nail, and the rear end of the connecting piece is used for being detachably connected with the sighting frame. A fixing piece for fixing the connecting piece on the aiming frame is arranged at the upper part of the aiming frame; a near-end sleeve containing hole coaxial with a humerus head supporting screw hole in a humerus head supporting part of the humerus intramedullary nail is further formed in the upper portion of the sighting frame, and a near-end sleeve allowing a humerus head supporting screw in the humerus head supporting screw hole to penetrate through is arranged in the near-end sleeve containing hole. A far-end sleeve containing hole coaxial with a far-end screw hole of the humeral intramedullary nail is formed in the lower portion of the sighting frame, and a far-end sleeve allowing a far-end screw in the far-end screw hole to penetrate through is arranged in the far-end sleeve containing hole. The brachial intramedullary nail sighting device and the humerus fixing system are accurate in positioning and easy and convenient to operate.

The oversleeve type rehabilitation shoulder rest comprises a shoulder fixing component and an oversleeve component, the shoulder fixing component comprises a body attached to the shoulder joint on one side of the human body, a belt body extends out of the rear side of the body, and the free end of the belt body is used for bypassing to the front through the armpit on the other side of the human body and is detachably connected with the body; the oversleeve component comprises an oversleeve part used for being arranged on the upper limb in a sleeving mode and a glove part used for being worn on the palm, the lower end of the oversleeve part is connected with the upper end of the glove part, and the upper end of the oversleeve part is detachably connected with the body. According to the utility model, the position of the humerus at the glenoid cavity of the shoulder joint is comprehensively and stably fixed by changing the fixed bearing strength mode of the upper limb, so that the displacement condition of the brace in rehabilitation training and daily life activities is reduced; meanwhile, daily repeated wearing and taking-off are reduced by adopting a comfortable wearing mode; sensory feedback of the upper limbs of the affected side of a stroke patient is enhanced, blood circulation is promoted, and the occurrence rate of shoulder-hand syndromes after stroke is reduced.

The present invention discloses a humanoid robot based on pneumatic actuators, belonging to the field of robots. The movement of each joint is driven by pneumatic actuators, and it mainly consists of the humerus, radius, ulna, pneumatic muscles, cylinders, connecting pieces, control systems, etc. Four parallel pneumatic muscles of the shoulder joint drive the shoulder joint. The humerus is divided into two segments, and the two segments are connected by a cylinder; a group of shoulder-elbow joint pneumatic muscles are respectively connected to the connecting piece of the shoulder joint and the radius and ulna, which can not only drive the movement of the elbow joint, but also drive the shoulder joint together with the pneumatic muscles of the shoulder joint; four parallel ones drive the forearm, and the radius and ulna are respectively connected to two of them, both of which are connected to the wrist joint connecting plate. The radius and ulna are designed into two segments and are connected by a cylinder in the middle. The present invention is driven by pneumatic muscles and cylinders, and has the characteristics of compact structure, large working space and multiple degrees of freedom of movement, and can be used for experimental teaching, circuit demonstration and fault repair.

This invention discloses an integrated preoperative planning system and method for locking plates in proximal humeral fractures, comprising: a data preprocessing module for processing CT data; a fracture segmentation and 3D reconstruction module for segmenting and generating fracture fragment models; a target anatomy prediction and fragment disposal module for predicting target anatomical morphology and classifying fracture fragments; a surgical feasibility-constrained virtual reduction module for virtual reduction under anatomical and clinical constraints; a plate fitting and fixation planning module for optimizing plate fit, screw configuration, and generating equivalent fixation parameters; a finite element modeling and solving module for automatic mechanical simulation; and a risk assessment and closed-loop optimization module for assessing risks and triggering replanning to achieve closed-loop optimization. This invention significantly reduces preoperative planning time, improves the mechanical reliability and clinical fit of the plan, and provides a quantitative basis for surgical decisions.

Shoulder tape (1) is affixed to the upper body of a user (H) in a range including a shoulder, and the shoulder tape (1) comprises a base section (2), front tape (3), rear tape (4) and an anchor section (5). The base section (2) is attached to the upper body so as to cover the humeral head from the front. The front tape (3) is connected to the base section (2) and extends towards the coracoid process. The rear tape (4) is connected to the base section (2) and extends along the acromial process toward the spina scapulae. The anchor section (5) is connected to the base section (2) and is wrapped around the upper arm via the underarm.

The invention relates to the technical field of medical image intelligent analysis, in particular to a ViT-based intelligent evaluation method and a ViT-based intelligent evaluation device for a child humeroradial joint alignment relationship. A child elbow joint image is segmented into a plurality of patches with the same size by applying a ViT-b-16 model; image characteristics of each patch and global context information of the image are captured, learned and analyzed by applying a multi-layer encoder and a multi-head self-attention mechanism, and image characteristics and spatial position characteristics of the capitulum humerus and the capitulum radius are identified emphatically, so that intelligent and accurate evaluation of the brachioradial joint alignment relationship of the child on the image is realized; according to the method, the limitation that the global image information is ignored due to the fact that only single-structure image features are concerned in the traditional convolution operation is improved, the uncertainty of the manual evaluation result of the child humeroradial joint alignment relation on the image is obviously reduced, the manual evaluation time and labor cost are reduced, and the method has remarkable clinical significance and wide application prospects.

The invention relates to a shoulder joint surgery and rehabilitation device which solves the problems that an existing shoulder arthroscopy surgery traction device is prone to causing displacement of a humerus head, operation is affected, and a postoperative fixing brace is prone to causing ankylosis of joints. Comprising an inflatable air bag, a first U-shaped arc and a second U-shaped arc are arranged on the two sides, opposite in direction, of the inflatable air bag respectively, an armpit supporting part is arranged between the first U-shaped arc and the second U-shaped arc, and the inflatable air bag is further provided with a wearing fixing piece, an inflation inlet and a pressure release valve. During use, the air bag is inflated through the inflation inlet, the first U-shaped arc is attached to the surface of a rib beside the armpit, the wearable fixing piece is used for wearing and fixing, the second U-shaped arc is used for containing the inner side of the upper arm, the armpit supporting part is used for supporting the armpit, the air bag forms a lever fulcrum at the armpit, the humeral head is pried to be away from the shoulder glenoid fossa, and the joint gap is increased; in addition, when the shoulder arthroscope is used after an operation, the joint capsule is relaxed, fixation is relatively relaxed, the range of activity after the operation is obviously enlarged, and early rehabilitation of a patient is facilitated.

This invention relates to the field of medical image navigation technology, and in particular to a mixed reality navigation method and system for interlocking intramedullary nailing of the humerus. The mixed reality navigation method provided by this invention includes the following steps: acquiring a two-dimensional humeral image atlas; generating and visualizing a three-dimensional humeral model using the two-dimensional humeral image atlas, the three-dimensional humeral model including an epidermal sub-model and a humeral bone sub-model; setting incision points, nail insertion points, and nail insertion paths on the three-dimensional humeral model; generating nail insertion navigation images using the three-dimensional humeral model with the incision points, nail insertion points, and nail insertion paths; projecting the nail insertion navigation images onto the patient's epidermis, so that the patient's epidermis coincides with the epidermal projection; and using the incision point projection image, the nail insertion point projection image, and the nail insertion path projection image to indicate the incision point location, the nail insertion point location, and the nail insertion path, respectively. This invention achieves precise guidance for incision location and nail insertion path by aligning the virtual model with the actual anatomical location.

Stemless components and fracture stems for joint arthroplasty, such as shoulder arthroplasty, are disclosed. Also, methods and devices are disclosed for the optimization of shoulder arthroplasty component design through the use of medical imaging data, such as computed tomography scan data.

The present application relates to the technical field of orthopedic surgical equipment, in particular to an axillary counter-traction humeral fracture intraoperative body position fixing system and method, comprising: a collection module, a primary adjustment module, a secondary adjustment module and a warning module; the collection module collects physiological data such as patient shoulder width and axillary depth, and calculates the initial positioning parameters of the blocking column in combination with BMI body type classification; the primary adjustment module synchronously collects pressure and temperature data, and adjusts the angle and position of the blocking column in real time to ensure pressure balance; the secondary adjustment module monitors the traction state, and maintains traction stability through pressure-angle double compensation; the warning module multi-dimensionally monitors the equipment operation and protection state, and accurately identifies abnormal scenarios. The present application realizes personalized adaptation and intelligent regulation and control of body position fixation, improves surgical reduction accuracy and safety, and effectively reduces the risk of local tissue damage and traction failure.

This invention discloses an identity recognition method based on the combination of photoplethysmography (PPG) signal features from multiple body sites, particularly suitable for identity recognition in dynamic environments under different physiological states. The invention collects PPG signals from six body sites (left neck, right neck, left humerus, right humerus, left radial artery, and right radial artery), covering three physiological states: rest, movement, and focus. The model is trained using mixed-state data and its performance is tested using independent-state data. Signal processing includes low-pass filtering and baseline drift correction. The results show that multi-site feature fusion significantly improves recognition accuracy, achieving 100% accuracy, especially with the combination of left neck, right neck, left humerus, and right humerus. This invention provides a method for achieving high-precision identity recognition through the combination of PPG signal features from multiple body sites under multi-state testing conditions. It is suitable for high-precision identity recognition in dynamic environments and has potential for application in the field of wearable device security authentication.

The invention relates to the technical field of medical instruments, and discloses a proximal humerus fracture restoration preparation method which comprises the following steps: acquiring proximal humerus CT image data of a patient, and constructing a three-dimensional digital skeleton model through medical image processing software; on the basis of the three-dimensional digital skeleton model, personalized adaptation parameters of the prosthesis are determined by adopting a parameterized design algorithm, and the personalized adaptation parameters comprise anatomical angle parameters, medullary cavity curvature parameters and dimension specification parameters; according to the personalized adaptation parameters, a digital model of the modular restoration is generated through computer aided design software, and the digital model comprises a first bearing part and a second bearing part which are connected through a splicing structure and an adjusting connection part arranged between the first bearing part and the second bearing part. The purpose of the invention is to realize personalized precise adaptation, have intraoperative regulation ability, and integrate advanced manufacturing and biological activity technologies.

The invention discloses a reverse mold for supporting an anatomical bone cement rod applied to proximal humerus fracture, and belongs to the technical field of proximal humerus fracture supporting.The reverse mold for supporting the anatomical bone cement rod applied to the proximal humerus fracture comprises a left mold and a right mold which are used for mold closing forming; the reverse mold further comprises a left mold core upper mold cavity and a left mold core lower mold cavity which are communicated with each other and are formed in the inner molding surface of the left mold, and a right mold core mold cavity is formed in the inner molding surface of the right mold; the left mold and the right mold are precisely butted and closed to prepare a supporting rod matched with the proximal humerus intramedullary anatomical structure; the bone cement supporting rod can be rapidly prepared through the left mold and the right mold, operation is rapid and convenient, the formed shape and size of the bone cement supporting rod are stable, operation requirements are met, repeated adjustment and correction are not needed, and the left mold and the right mold can be prepared through the 3D printing technology or made of metal materials; and the prepared mold can be repeatedly used to assist the surgical operation.