19 results about "Humerus" patented technology

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 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.

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.

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.

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.

The utility model provides a shoulder joint osteotomy navigation device, which solves the problems that the existing humerus head cutting mode is mostly direct osteotomy after visual observation, the osteotomy precision and the humerus forward inclination angle required to be adjusted by a patient cannot be ensured, and the like, and adopts the main scheme that the shoulder joint osteotomy navigation device comprises a medullary cavity reamer and an intramedullary guider, a vertically-through U-shaped groove is formed in the intramedullary guider in the axial direction of the intramedullary guider so that the medullary cavity reamer can be fixed in a penetrating mode, the navigation device further comprises an osteotomy block, a connecting rod is further fixed to the side, corresponding to the back of the U-shaped groove, of the bottom of the intramedullary guider, and the connecting rod is perpendicular to the axis of the intramedullary guider. A plurality of positioning holes are formed in the two sides of the surface of the osteotomy block, through type osteotomy grooves are formed in the tops of the positioning holes, the top of one side of the osteotomy block extends to form an integrated connecting part, and the connecting part is movably fixed to the connecting rod and can be adjusted in the axial direction of the connecting rod; a tracer connector is further integrated on the side, away from the osteotomy groove, of the connecting part so that an external tracer can be assembled.

The application is suitable for the technical field of artificial shoulder joint, and provides an artificial shoulder joint liner, which comprises a liner prosthesis, one end of the liner prosthesis is inserted into a scapula body, the other end of the liner prosthesis is connected with a humeral head, the liner prosthesis is composed of a base, a bearing part and an edge part, a scapula cutting surface is cut on the scapula body, a blind hole is formed on the scapula cutting surface, a plug rod matched with the blind hole is arranged on the left side wall of the base, and the outer wall of the plug rod is fixedly connected with arc-shaped blocks in a symmetrical mode. The base and the scapula are connected through the plug rod and the arc-shaped blocks on the base and the blind hole on the scapula in a plug-in and rotation mode, the base on the liner prosthesis is prevented from slipping off the scapula, and the liner prosthesis is fixedly connected with the mechanical mode of the positioning rod and the lock rod one, so that the insecure phenomenon of the traditional adhesive connection is avoided; and the edge part is adjustable, so that the width of the liner prosthesis is adjusted, and the liner prosthesis is most suitable for the shoulder joint of a patient.

The invention discloses a proximal humerus fracture rehabilitation training device with constant traction force, which belongs to the field of medical instruments and comprises a base and a telescopic frame arranged on the base. The arm supporting mechanism is connected with the top of the telescopic frame through the hinge structure so as to allow the arm supporting mechanism and the telescopic frame to rotate relatively, and the hinge center of the hinge structure forms a shoulder joint simulation rotation center; the traction assembly comprises an elastic energy storage structure and a traction cable which are connected with each other, and further comprises a fixed pulley connected to the outer wall of the arm support mechanism; after the traction cable bypasses the fixed pulley and changes the direction, the free end of the traction cable is connected to the elbow area of the adjustable arm support mechanism; therefore, when the arm support mechanism rotates around the shoulder joint simulation rotation center, the direction of traction force applied to the upper limbs of the patient by the traction cable is always kept consistent with the direction of the limb bearing axis defined by the arm support mechanism. By means of the arrangement, constant axial traction can be provided on the premise that it is guaranteed that the fracture end is subjected to shearing component force of traction force.

The invention relates to the technical field of shoulder rehabilitation, in particular to an artificial rotator cuff device under huge rotator cuff tearing, which can eliminate impact under acromion during humeral head movement, relieve pain and shorten the recovery cycle, and comprises a liner arranged between the acromion and a glenoid cavity, the lower part of the liner is supported on the glenoid cavity, and the upper part of the liner is supported on the glenoid cavity. The upper portion of the liner is fixed through a screw penetrating through the acromion, a tape spring mechanism is installed in the liner, a long-strip-shaped open groove is formed in the outer wall of the side, facing the humerus head, of the liner, one end of the artificial ligament is fixed to the outer side of the humerus head, and the other end of the artificial ligament extends into the long-strip-shaped open groove and is connected with the tape spring mechanism.

This invention discloses a prosthesis for the shoulder joint. The prosthesis includes a limiting structure and a protective structure connected to the limiting structure; the limiting structure has an arc along the coronal plane. This prosthesis conforms to the physiological structure of the human shoulder joint, self-limiting itself within the subacromial space, reducing adverse events such as foreign body sensation, dislocation, and functional failure in patients. The protective structure provides support within the space between the humeral head and the acromion of the human shoulder joint, while simultaneously shifting the humeral head upwards in patients with rotator cuff injuries, avoiding pain caused by tissue impingement and increasing the lever arm of the deltoid muscle, thus immediately improving shoulder joint function. The limiting structure at least partially conforms to the humeral head of the human shoulder joint to limit its movement and prevent prosthesis displacement.