223 results about "Elbow joints" patented technology

The embodiment of the invention discloses a non-contact multi-parameter elbow joint fault diagnosis method and device. Collecting multi-parameter original signals of the area where the elbow-shaped joint is located in the same time reference and the same physical microenvironment; performing denoising, zero offset correction and filtering on the multi-parameter original signal to obtain a pre-processed multi-parameter signal; performing compensation processing on the preprocessed multi-parameter signal by applying a space-time coupling compensation matrix; performing feature extraction on the compensated multi-parameter signals to obtain feature vectors, and calculating response time lag between channels of the parameter signals; calculating a weighted time distance between the typical mode of the current observation stage and each fault stage, and mapping the weighted time distance to a preset fault evolution chain, so as to calculate a posterior probability of the typical mode of each fault stage through the fault evolution chain; and according to a comparison result of the posterior probability and a preset fault threshold value, outputting a fault diagnosis result of the area where the elbow-shaped joint is located and a confidence coefficient corresponding to the fault diagnosis result.

An adjustable angle marker system for pipe elbow joints is disclosed, providing an efficient and precise means of determining and marking angles for cutting 90-degree elbow joints, particularly at non-standard angles, eliminating the need for reference tables and angle calculations. An adjustable angle gauge is used to measure a desired angle at which to cut an elbow joint to properly join two pipe sections. The desired angle is transferred to a marking platform using the adjustable angle gauge set at the measured angle. The elbow joint is placed on the marking platform so that the angle marked on the marking platform properly aligns with a corresponding cut location on the elbow joint, which is marked on the elbow joint using a pipe marking device aligning the marked angle and the cut location.

The invention discloses an elbow joint rehabilitation training evaluation method and system, and the method comprises the following steps: S1, collecting multi-cycle motion data and surface myoelectricity data when a patient executes a specified rehabilitation motion in a standard state through an inertia measurement unit and a surface myoelectricity sensor which are disposed on the upper limb of the patient, based on this data, establishing a personal motion baseline template comprising a standard angle-time curve and a standard muscle activation level; s2, in the rehabilitation training process, motion data and surface myoelectricity data are collected in real time, and the following operations are executed: S21, a joint motion range and a motion smoothness index are extracted from the motion data; s22, muscle activation intensity and collaborative shrinkage are extracted from the surface myoelectricity data; according to the method, individuation of evaluation standards, diversification of monitoring dimensions and dynamic weight adjustment are achieved, the accuracy and safety of rehabilitation training can be effectively improved, and the method has important clinical application value.

A humanoid robot arm belongs to the field of humanoid robots and is characterized in that a first driving mechanism is mounted in a first arm fixing part, a second arm fixing part is connected with the output end of the first driving mechanism, and the second driving mechanism and a third driving mechanism are transversely mounted and fixed on the second arm fixing part; the upper end of the U-shaped arm fixing part is fixed with a shell of the third driving mechanism, the second lower end of the U-shaped arm fixing part is hinged with a Y shaft of the hollow cross shaft, the upper part of the manipulator flange is hinged with an X shaft of the hollow cross shaft, and the lower part of the manipulator flange is fixedly connected with the manipulator; the Y axis and the X axis of the mechanical arm intersect at one point, the intersection point is located on the axis, rotating around the Z axis of the arm, of the arm, the three axes intersect at one point, the conveying structure layout is consistent with the human arm movement structure layout, the size is gradually decreased from the elbow joint to the wrist joint, and the characteristic of simulating the human arm is achieved. And the two driving power sources bear driving loads at the same time, and the higher load capacity is achieved.

The application relates to the technical field of medical rehabilitation robots, in particular to a safe upper limb rehabilitation exoskeleton robot, which comprises a fixing frame and a mechanical arm arranged on the fixing frame and used for assisting the movement of a patient's arm, the mechanical arm comprises, in sequence, a shoulder joint vertical folding and unfolding module, a shoulder joint horizontal folding and unfolding module, a shoulder joint flexion and extension module, an elbow joint flexion and extension module, a wrist joint flexion and extension module and a lower arm rotating module, the mechanical arm can be suitable for a left arm or a right arm by switching left and right states. Each module of the mechanical arm is provided with a mechanical limiting structure used for limiting the activity range of the corresponding module, and the mechanical limiting structure can switch left and right states, and is used for synchronously switching when the mechanical arm switches left and right states to ensure the safety of the patient. The spring positioning pin is used for adjustably limiting, the application can realize the left and right exchange function of the mechanical arm, ensure the mechanical safety limiting of the limit angle of the two arms and improve the safety of the equipment.

The invention relates to an upper limb multi-joint training device, and belongs to the technical field of rehabilitation medical instruments. The device comprises a main motion platform, a driven execution terminal and a connecting mechanism, the main motion platform is a multi-degree-of-freedom industrial mechanical arm and is used for driving the upper limbs of a user to complete three-dimensional space compound motion of shoulder and elbow joints; the connecting mechanism is arranged between the tail end of the main motion platform and the driven execution terminal and is used for detachably mounting the driven execution terminal at the tail end of the main motion platform; the driven execution terminal comprises three rotating joints which are sequentially connected in series, and the three rotating joints respectively provide a rotating degree of freedom to correspondingly realize the flexion and extension movement of the wrist joint, the radial ulnar deviation movement and the pronation and supination movement of the forearm. According to the invention, large-range collaborative movement of shoulder and elbow joints and full-degree-of-freedom refined training of wrist joints can be realized at the same time, comprehensiveness of rehabilitation training is improved, and the device is suitable for clinical rehabilitation training of patients with upper limb movement dysfunction.

[Problem] During a lowering exercise according to the prior art, changes in upper-limb (forearm, elbow joint, and shoulder joint) movement are such that, since the rotation axis of a grip part is fixed in the vertical direction, the hand rotates around the vertical axis together with the grip part as the lowering exercise is executed, and the shoulder joint continues to internally rotate. As a result, the forearm keeps inclining forward, thereby restricting subsequent extension acceleration slightly rearward of the body. [Solution] Provided is a training machine with which training is performed by moving an arm unit against the weight of a back weight, the arm unit being connected to at least one back weight via a cable and vertically movable along a guide column. A grip part of the arm unit is configured to rotate around an axis substantially orthogonal to the guide column axis. A training machine can thus be provided which can accommodate changes in the inclination angle of the hand and does not restrict extension movement when the upper limb is extended while being lowered.

The application discloses an upper limb supporting exoskeleton based on a negative pressure occlusion variable stiffness driver, which comprises a shoulder joint supporting structure, an elbow joint supporting structure connected with the shoulder joint supporting structure, a waist belt and a back strap; the waist belt and the back strap form a backpack type structure, and the shoulder joint supporting structure is fixed on the shoulder and back of a human body; the shoulder joint supporting structure is connected with the elbow joint supporting supporting structure through a large arm guide rail sliding block and can slide relatively to meet the wearers with different large arm lengths; a fixing plate for fixing the elbow joint supporting structure with the large arm and the small arm of the wearer is arranged on the elbow joint supporting structure. The upper limb supporting exoskeleton based on the negative pressure occlusion variable stiffness driver adopts the variable stiffness driver as part of the joints of the robot, guarantees sufficient degrees of freedom and supporting effect, improves the adaptability of the whole system, allows the wearers to change the stiffness of part of the joints according to the self needs and environmental conditions, and makes the activities of the wearers in the non-working state more flexible and the movement resistance smaller.

1. The name of the design product: joint belt. 2. The use of the design product: acting on the bones around the knee joint, elbow joint and ankle joint, correcting the opening state of the body by tightening the joint, thereby adjusting the balance of the body. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

This invention relates to a method for solving the inverse kinematics of a robotic arm based on autonomous planning of redundant parameters, comprising: Step 1, the rotation axes of joints 1 to 3 of the robotic arm intersect at point Ps and are designated as the shoulder joint; the rotation center of joint 4 is Pe and is designated as the elbow joint; the rotation axes of joints 5 to 7 intersect at point Pw and are designated as the wrist joint; Step 2, the "shoulder-elbow-wrist" structural parameters are determined as: l bs l se l ew l wt Step 3: Solve for θ in the base coordinate system to find the vector of line PsPw. 1_0 θ 2_0 θ 3_0 θ 4_0 Step 4: Define the angle between the PsPePw plane and the reference plane as the redundancy angle; establish the functional relationship between θ1, θ2, θ3 and θ5, θ6, θ7 and the redundancy angle; Step 5: Solve for the initial inverse joint combination; Step 6: Solve for the optimal redundancy angle; Step 7: Substitute the optimal redundancy angle into the relational expression to finally solve for θ1, θ2, θ3 and θ5, θ6, θ7; Step 8: Use the calculated θ1~θ7 as the desired trajectory. This invention improves the control accuracy of the robotic arm and the operating efficiency of the controller.

The application relates to the technical field of sleep support, and particularly discloses a zoned mattress for optimizing waist support, which comprises a waist zone, wherein the width size of the waist zone is obtained by a human waist length determination method; the human waist length determination method comprises the following steps: acquiring a plurality of static human body sizes; calculating a distance size A from an elbow joint to the end position of the fifth lumbar vertebra L5 according to the static human body sizes; determining the number n of lumbar vertebrae contained from the elbow joint to the end position of the fifth lumbar vertebra L5; and determining the waist length size of the five lumbar vertebrae according to the distance size A and the number n of lumbar vertebrae. The zoned mattress for optimizing waist support provided by the application can determine the waist length size of a human body according to static human body sizes, and then scientifically determine the width size of the waist zone, so that the comfort of waist support and the health of the waist are improved.

The utility model belongs to the technical field of fluid pipe fittings, and particularly relates to a pneumatic conveying short-radius elbow structure, which is formed by sequentially connecting a first pipe joint, an elbow joint and a second pipe joint, and is characterized in that the first pipe joint and the second pipe joint are both variable-diameter pipe bodies with large ends and small ends, and small-diameter pipe orifices are connected with the elbow joint; a lining is arranged in the bent joint and is of a smooth pipe body structure, the inner diameter of the lining is continuously variable in cross section, the two ends of the lining are reduced towards the middle section along the axis, the diameter r of the middle portion is the smallest, and the eccentric distance a which is 5-10 mm and deviates towards the small-diameter direction is formed between the lining and the axis of an inlet. The bent joint is connected with the first pipe joint and the second pipe joint through flanges or welding. Compared with the prior art, the ceramic elbow has the advantages that the lining layer of the elbow joint is formed by sintering ceramic materials, the ceramic materials have the advantages of being high in hardness, good in abrasion resistance, high in chemical stability and the like, scouring and impacting of fluid and particle materials can be effectively resisted, the service life of the elbow is prolonged, and the problem of local excessive abrasion is solved.

The application discloses a kind of fine-diameter pneumatic muscle driven elbow wrist joint flexible rehabilitation device, it is related to the technical field of rehabilitation robot, wearable rehabilitation equipment.It includes glove, wearing in the hand of human body;Elbow guard, wearing in the elbow of human body, is made of flexible fabric;Shoulder guard, wearing in the shoulder of human body, is made of flexible fabric;A pair of forearm fine-diameter pneumatic muscle bundle, setting in the front and back of forearm, one end is connected with glove, one end is connected with elbow guard;A pair of arm fine-diameter pneumatic muscle bundle, setting in the front and back of arm, one end is connected with elbow, the other end is connected with shoulder guard;Control system, the contraction and extension of forearm fine-diameter pneumatic muscle bundle and arm fine-diameter pneumatic muscle bundle are controlled, the data of elbow joint and wrist joint angle are acquired and handled.The application is convenient to wear, more conforming to human body, high comfort, good contraction performance, high compliance.

The present invention relates generally to minimally invasive, cost-effective, adaptable methods, systems, and devices used to repair anatomical joint conditions. The repair may be necessitated by trauma, disease or other conditions. The anatomical joint may specifically include mammalian joints such as the knee, shoulder, elbow, wrist, finger, hip, spine, toe and ankle, for example. The methods, systems, and devices disclosed herein include leveraging the significant (and often unappreciated) role the subchondral bone plays in the health status of the afflicted anatomical joint.

This utility model discloses a guide-track fixed-type walking foot rehabilitation training device. The device includes a parallel bar, with two side-by-side supports and horizontally positioned guide support rods on the supports. It also includes a support frame, comprising a sliding frame slidably mounted on the guide support rods and a support plate. The sliding frame is U-shaped with its opening facing downwards, and rolling elements are installed on its inner wall, rolling on the guide support rods. Two sliding frames are provided, connected by the support plate. The upper surface of the support plate is covered with a flexible pad, and an inverted U-shaped hand gripping rod is connected to the top of the support plate. This device facilitates elbow joint support through the support frame and is suitable for patients with insufficient or inability to grip with both hands.

The utility model discloses a robot's elbow joint structure and robot, the utility model is used to connect upper arm part and forearm part, and one end of upper arm part is fixedly connected with two parallel connecting lug no.

Provided herein are methods and systems for stabilizing a joint, such as the elbow. The system may include an intramedullary rod configured to be placed in a medullary canal of a bone, a pin, a linking member defining an aperture for receiving the pin, and a connector defining a first aperture and a second aperture, the first aperture configured to receive the linking member. The system may further include a screw extending through the second aperture of the connector and the aperture of the intramedullary rod. The system may be configured to be implanted into a patient.

The invention discloses a scale type elbow and wrist joint flexible rehabilitation exoskeleton system based on physiological signal supervision, which comprises a wrist joint flexion pneumatic driver, a wrist joint extension pneumatic driver, an elbow joint flexion pneumatic driver, an elbow joint extension pneumatic driver, a hardware system and a bottom layer control system, the hardware system is matched with the bottom layer control system, motion signals, electromyographic signals, air pressure signals and pulse signals are collected, controllable air pressure is provided for the pneumatic wrist joint driver and the pneumatic elbow joint driver, and the safety stopping mechanism is used for stopping the pneumatic wrist joint driver and the pneumatic elbow joint driver on the basis of the pulse signal strength detected by the pulse sensor in real time. When the pulse signal intensity is lower than a preset safety threshold value and lasts for a certain time, the system automatically stops rehabilitation training, and the maximum atmospheric pressure threshold value of the system is automatically updated. Intelligent rehabilitation training and assistance which are high in integration level, good in safety, high in rehabilitation efficiency and capable of promoting active participation of the patient are provided for the patient with the upper limb elbow and wrist joint dysfunction.

The invention relates to an elbow orthosis (10) with an ulnar wrist support (12) for immobilizing a pronation and supination movement of a patient's wrist.

The utility model discloses a nodular cast iron pipe fitting elbow joint suitable for complex terrains, which comprises an elbow joint, a pipeline, locking rings and a connecting ring, two ends of the elbow joint are respectively connected with the pipeline through the locking rings, and the locking rings are fixed on the elbow joint through mounting sleeves and locking screws. The connecting ring is connected with the connecting rod in a hanging mode through the hanging groove and matched with the connecting sleeve on the pipeline in a clamped mode, and the connecting rod tensions the connecting ring and the locking ring through the adjusting sleeve and the nut so as to achieve rapid locking. The limiting groove is clamped with a clamping rib on the outer side of the connecting sleeve to limit rotation of the connecting ring, a check ring is arranged on the outer side of the connecting sleeve and used for limiting longitudinal sliding of the connecting ring, the two ends of the bent connector are in sealing fit with a sealing ring through clamping rings to improve the sealing performance, and a reinforced fiber layer is embedded in the sealing ring to enhance the pressure resistance. The bent connector is simple in structure and convenient to install, can achieve rapid locking and efficient sealing of the bent connector and a pipeline, meets the use requirements under the complex terrain environment, and solves the problems that a traditional pipe fitting is loose in connection and poor in sealing performance.

The method includes acquiring first feature data of a physical object in real time, where the physical object includes a torso, a main arm, an elbow joint, and a forearm, the first feature data is configured for representing rotation angles of multiple parts of the forearm around an axial direction, and the rotation angles of the multiple parts of the forearm around the axial direction are positively correlated with distances from the multiple parts of the forearm to the elbow joint of the physical object; controlling rotation angles of multiple parts of the forearm skin of a virtual model around an axis direction based on the first feature data acquired in real time, where the rotation angles of the multiple parts of the forearm skin around the axial direction are positively correlated with distances from the multiple parts of the forearm skin to the elbow joint of the virtual model; and generating the image frame of the live video according to the virtual model and the rotation angles of the multiple parts of the forearm skin of the virtual model around the axis direction.

The present invention is a bone age assessment method executed by a bone age assessment device, which includes: (a) acquiring an X-ray image of the lateral side of the elbow; (b) dividing the olecranon region from the X-ray image; (c) analyzing the morphological characteristics of the olecranon ossification center in the divided olecranon region; and (d) determining bone age based on the analyzed morphological characteristics.

The utility model discloses an elbow joint which comprises a first straight pipe and a second straight pipe, threads are arranged on the inner wall of the first straight pipe and the inner wall of the second straight pipe, the first straight pipe and the second straight pipe are connected with two first pipelines needing to be in butt joint respectively, and the elbow joint further comprises a spiral corrugated elbow. The two ends of the spiral corrugated bent pipe are fixedly connected with a first straight pipe and a second straight pipe respectively, reinforcing ribs are arranged on the first straight pipe and the second straight pipe, a first partial pressure pipe is arranged on one side of the first straight pipe, the first partial pressure pipe comprises a corrugated pipe section, and the first partial pressure pipe is connected with a second pipeline needing to be in butt joint or one first pipeline. The threaded corrugated bent pipe is arranged between the first straight pipe and the second straight pipe, so that the threaded corrugated bent pipe can be deformed or bent to a certain extent according to the actual direction condition of the first pipelines when the threaded corrugated bent pipe is in butt joint with the two first pipelines, the butt joint is more flexible, the overall manufacturing precision can be reduced, and the manufacturing cost can be reduced; and the condition that the device cannot be butted with the first pipeline is reduced or avoided.

The utility model belongs to the technical field of medical tools, and particularly relates to an elbow joint air bag restraining tool which comprises an air bag assembly, the air bag assembly comprises a connecting sleeve and a supporting air bag, the supporting air bag is fixedly connected to the outer side of the connecting sleeve in a sleeved mode, and one end of the connecting sleeve is fixedly connected with a first positioning sleeve. The first positioning sleeve comprises a first elastic arc plate and a first binding belt, the first elastic arc plate is fixedly connected to one end of the connecting sleeve, the first binding belt is fixedly connected to the outer side of the first elastic arc plate, and the other end of the connecting sleeve is fixedly connected with a second positioning sleeve. The inflation degree of the supporting air bag, namely the bulging degree of the air bag, is adjusted according to the arrangement condition of pipelines on the body of a patient and the activity requirement condition of the patient, so that the bending degree of limbs of the patient can be conveniently adjusted, operation is flexible and convenient, wearing and taking off are convenient, the restraining effect is good, meanwhile, limb activity of the patient is not affected, and the use experience of the patient is improved. The practicability is high.

The technical scheme of the present application provides a kind of limbs joint support structure, including upper support part, lower support part and link part, the upper support part and the lower support part can be bent to arc surface shape from both sides, for fitting to the upper limbs and lower limbs at the joint of patient;Two ends of the link part are connected to the upper support part and the lower support part respectively, for fitting to joint position, the width of the link part is less than the upper support part and the lower support part, so that two grooves are formed between the link part and the upper support part and the lower support part.The beneficial effects of the present application form a link part between the upper support part and the lower support part through the groove, the link part is bent and fitted to the joint, avoiding the generation of corner, when bending, it can be simplified, whether the material has enough ductility or not, it can meet the requirements, the structure is simple, the complexity is low, and the production process is simple, the operability is high;Shoulder joint, elbow joint, ankle and other parts are applicable, and the structure design has certain universality.

The utility model discloses a wearable exoskeleton device, and relates to the technical field of exoskeletons. Comprising a back supporting follow-up plate, shoulder straps are arranged at the two ends of the front side of the back supporting follow-up plate, lower limb exoskeleton mechanisms are arranged on the two sides of the bottom of the back supporting follow-up plate, electric shoulder joints are arranged on the two sides of the back supporting follow-up plate, the electric elbow joints are movably connected with upper arm supports, and the electric elbow joints are installed at one ends of the upper arm supports. The electric elbow joint is movably connected with a forearm support, and a forearm binding belt is arranged on the forearm support. According to the wearable exoskeleton device, when the wearable exoskeleton device is worn, the electric shoulder joints are located below the armpits, the upper arm supports and the forearm supports are located below the arms, the electric shoulder joints and the upper arm supports can cooperate with each other to support the shoulders, the spine bearing is reduced, meanwhile, the back supporting random plate is matched with the shoulder straps, the waist can be supported to a certain degree, and the wearable exoskeleton device is convenient to use. The pressure of the weight of the upper body on the lumbar vertebra is reduced, and the device is suitable for people with spine weakness and hand weakness.

The utility model provides a detection tool for a workpiece with a cambered surface, which comprises a saddle-shaped base, a positioning column and a detection tool, the upper surface of the saddle-shaped base is an arc-shaped detection surface, the radian of the detection surface is the same as that of a welding surface of an elbow joint, the positioning column is vertically arranged at the center of the detection surface, and the detection tool is arranged on the positioning column. The positioning column can be connected with a through hole of the elbow joint in a matched mode, and the height of the positioning column is smaller than the depth of the through hole. A detection groove is formed in the bottom surface of the saddle-shaped base, a detection hole is formed in the bottom of the detection groove and penetrates through the detection surface of the saddle-shaped base, a detection tool is installed in the detection groove, and a detection head of the detection tool is installed in the detection hole. According to the detection tool for the workpiece with the cambered surface provided by the utility model, the positioning column is connected with the through hole of the elbow joint in an aligned manner, so that the elbow joint can be close to the detection surface of the saddle-shaped base along the positioning column, and the fitting degree of the welding surface of the elbow joint and the detection surface of the saddle-shaped base can be detected through the detection tool.

The invention provides a robot for inspecting blast holes, the robot comprises a vehicle body, a leveling device and a detection device, the leveling device comprises an arm joint assembly, an elbow joint assembly, a wrist joint assembly and a mounting frame for mounting the detection device which are connected in sequence; the arm joint assembly, the elbow joint assembly and the wrist joint assembly can be driven by respective motors to rotate in the horizontal direction so as to adjust the position of the detection equipment; the wrist joint assembly drives the mounting frame to move in a rotating mode so as to adjust the posture presented by the detection equipment on the mounting frame. The problems that the position of detection equipment on an existing hole inspection robot is fixed, the positioning difficulty of a blast hole is large only through overall movement of the hole inspection robot, it cannot be guaranteed that in the process of paying-off detection on the blast hole, paying-off equipment on the hole inspection robot is in a leveling state, and the positioning precision is poor are solved. Therefore, the problem of large deviation of the obtained detection result of the blast hole is solved.

The utility model belongs to the technical field of rehabilitation training chairs, and discloses a multifunctional adjustable rehabilitation training chair which comprises two symmetrically-distributed supporting plates, a chair body is installed in the middle of the two supporting plates, elbow joint training structures are arranged on the two sides of the chair body, and the elbow joint training structures are connected with the two supporting plates. Through the design of the elbow joint training structure and the stopping structures, the training safety is remarkably improved, when a user suddenly treads a pedal plate to drive a second gear plate connected with the pedal plate to move downwards under the limitation of a second sliding rail in the training process, and therefore the user can conveniently move the elbow joint training structure through the elbow joint training structure and the stopping structures. The second gear plate moves to promote the meshing gear meshed with the second gear plate to rotate synchronously, the meshing gear rotates to further drive the first gear plate to move upwards, in the upward moving process of the first gear plate, the locking piece fixed to the first gear plate gradually gets close to the first gear plate and finally abuts against the rotating disc tightly, and safety and stability in the training process are guaranteed.

The sportswear comprises an upper garment or a lower garment, elastic oversleeves are arranged in sleeves of the upper garment in a sleeved mode, the elastic oversleeves at least cover the areas, corresponding to the elbow joints of the human body, of the sleeves, upper openings of the elastic oversleeves are partially connected with the sleeves, elbow protection pads are arranged on the elastic oversleeves, and elastic leg sleeves are arranged in trouser legs of the lower garment in a sleeved mode. The elastic leg sleeves at least cover areas of the trouser legs corresponding to knee joints of a human body, upper openings of the elastic leg sleeves are connected with the trouser leg parts, and knee pads are arranged on the elastic leg sleeves. The sportswear solves the technical problems that a protective pad of an existing sportswear is prone to displacement, and comfort is poor.