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40 results about "Posture training" patented technology

Posture training that works the rhomboid muscles in back and stretches the pec groups in front may help you deal with this. A simple action like squeezing your shoulder blades together may be the best upper back posture exercise for such a dilemma.

Pose training and evaluation system

PendingUS20260253703A1EngineeringAnalysis tools
An augmented pose instruction system, system comprising; evaluation by an asynchronous analytical tool of a recorded video of a student's pose data; recommendation, via a recommendation engine, of corrections to poses of the student; approval of the corrections to the poses of the student, via an instructor dashboard; a visual report created of the corrections; and corrections communicated to the student account.
Owner:POZE AI INC

Standing posture training device

The utility model discloses a standing posture training device in the technical field of training equipment, which comprises a first support rod and a second support rod, the middle parts of the first support rod and the second support rod are assembled through a rotatable connecting piece, and two groups of folding components for supporting the first support rod and the second support rod are arranged between the first support rod and the second support rod. The second supporting rod is in threaded connection with a first rotary knob for positioning the folding assembly, a fixing rod rotationally connected with the folding assembly is installed on the first supporting rod, a communicating groove for the folding assembly to slide is formed in the second supporting rod, and the first rotary knob is installed at one end of the communicating groove. The standing posture training device solves the problems that an existing standing posture training device is large in occupied space, cannot be flexibly folded and adjusted, is not convenient to carry about, and is generally not provided with a neck supporting training structure, and the standing posture correcting effect on a user is poor.
Owner:JINING POLYTECHNIC

Training support system, training support method, and program

To provide a training support system which enables evaluation of work including appropriate postures during the work.SOLUTION: A training support system is provided, comprising: work training means having a display unit and an operating unit; measurement means for measuring postures of a user as three-dimensional data; learning means configured to machine-learn the posture data measured by the measurement means during actual work done by a first user to build a first working posture model; and comparison means configured to compare the first working posture model built by the learning means with the posture data measured by the measurement means during virtual work done by a second user using the work training means and output a comparison result.SELECTED DRAWING: Figure 2
Owner:NS SOLUTIONS CORPORATION

Strength training device form training system

An apparatus, method, and system for form training with a strength training device having at least one sensor. The form training includes obtaining, from the at least one sensor, sensor data including a person performing an exercise action with the strength training device. The form training includes an exercise form with point(s) tracking the exercise action performed by the person, each point representing a location on the person. The form training includes generating, by a model and for the exercise form, an evaluation indicating a deviation of the exercise form from a target form for performing the exercise action. The form training includes determining, based on the evaluation for the exercise form, a form adjustment of the person for performing the exercise. The form training includes providing, by a display device, data indicative of the form adjustment for output on the display device.
Owner:THE ATHLETIC POWER CO

Tennis racket holding posture training structure

The utility model relates to the technical field of sports equipment, and discloses a tennis racket holding posture training structure which comprises a racket handle and racket faces, the racket handle is of an octagonal structure, each face of the racket handle in the clockwise direction is respectively provided with an indication mark number, a balance weight chamber is arranged in the racket handle, a balance weight assembly is arranged in the balance weight chamber, and the racket faces are provided with the indication marks. The balance weight assembly comprises a first balance weight core and a second balance weight core, the second balance weight core is arranged in the first balance weight core in an inserted mode, sliding grooves are symmetrically formed in the balance weight chamber, the first balance weight core is provided with a plurality of sets of first clamping plates which are symmetrically arranged, the first clamping plates are provided with rubber clamping beads, and second clamping plates are arranged in the sliding grooves. A clamping groove matched with the rubber clamping bead is formed in one face of the second clamping plate, and the edge of the clamping groove is designed into a round corner. The device can assist a user in correctly holding the racket, and the self weight of the racket can be flexibly adjusted, so that the grip strength training of the user is achieved.
Owner:JIMEI UNIV

Sports equipment with counting function for deep squat training

The invention provides sports equipment with a counting function for deep squat training, and relates to the technical field of training equipment. An adjusting mechanism used for adjusting the dip angle of the movable frame is arranged on the bottom frame and comprises a vertical plate, reinforcing bases and a supporting plate, the two reinforcing bases are installed at the lower end of the vertical plate through bolts and installed on the bottom frame through bolts, two guide rods are fixed to the vertical plate, and the supporting plate slides on the two guide rods; a first threaded rod is mounted on the vertical plate through a bearing seat; the number of balance weight plates is selected by adjusting the position of an inserting rod, the training intensity can be adjusted, a motor is operated to enable a first threaded rod to rotate, the elevation angle of a movable frame is adjusted through a carrier roller on a supporting plate, the force exerting posture of a user during training can be adjusted, and if an emergency situation occurs in the training process, the user can conveniently carry out training. The clamping plate is meshed with the toothed plate by retracting the hydraulic rod, the sliding frame cannot slide on the rail rod at the moment, and a user can conveniently and rapidly break away from the training instrument.
Owner:SHANDONG BUSINESS INST +1

Equetiquette posture teaching and training device

InactiveCN120900178AStiltsSlide platePosture training
The invention provides an etiquette posture teaching and training device, belongs to the field of posture training, and is used for solving the problems that a walking posture training field is large in occupation and posture errors are difficult to find in time. The device comprises a bottom frame, conveying rollers rotationally connected and conveying belts distributed at intervals, and a reminding mechanism is arranged between the conveying belts. The reminding mechanism comprises a sliding plate, a sliding frame and a base plate with a cushion block, and when the foot walks irregularly, the foot sole makes contact with the cushion block to generate reminding. The first driving piece adjusts the horizontal position of the sliding plate through the bidirectional lead screw, the second driving piece controls the sliding frame to vertically move through the driving frame, and the position of the cushion block meets the requirements of different students. The device further comprises a shaping rod and a balance block which are arranged on the vertical frame and used for balance training. The conveyor belts are arranged at intervals to reduce space occupation, the position of the cushion block can be adjusted to provide progressive correction, the shaping rod expands the static training function, and the training applicability and efficiency are improved.
Owner:ZHEJIANG YUYING VOCATIONAL & TECH COLLEGE

Muscle training device for diabetic patient

The invention relates to the technical field of medical care instruments, in particular to a diabetic muscle training device which comprises a device body and a real-time monitoring assembly. The device body comprises a base and a movable platform, and the monitoring assembly comprises a pressure sensor, a timer and a touch panel. The self-gravity is adopted for training, extra energy consumption is not needed, and the device is simple and practical. In addition, the device can conduct comprehensive training on upper limbs, lower limbs and core muscles, and the whole-body training effect is achieved. The sitting posture is adopted during training, stable support is provided for a trainee, and the falling risk caused by unstable standing during standing posture training is avoided. Meanwhile, the two hands can be supported through the upper limb pull rod, and the safety in the training process is further enhanced. The sports protection device has a good sports protection effect, a trainer is not prone to falling down even if emergencies such as dizziness occur in the training process, and the safety of the trainer is effectively guaranteed.
Owner:THE SECOND AFFILIATED HOSPITAL TO NANCHANG UNIV

Twisting posture training aid for inertia throwing / striking sports involving rotation of torso axis and upper limbs

Disclosed is a twisting posture training aid for sports, including: an inertia-direction marker arrangement; a torso twist optical pointing arrangement which includes a banding arrangement, a first optical pointer, and a first pivot, such that when the user is at address, the torso marker corresponding to the inertia direction is projected onto the operation plane; an upper limb motion optical pointing arrangement which includes a fastener arrangement, a second optical pointer, and a second pivot, such that when the user is at address, the upper limb marker corresponding to the inertia direction is projected onto the operation plane.
Owner:WU CHIH WEI

Angle-adjustable correction support for etiquette posture training

PendingCN122057224AStiltsGear wheelSimulation
The invention discloses an angle-adjustable correction support for etiquette posture training, and relates to the technical field of etiquette training auxiliary equipment.The angle-adjustable correction support for etiquette posture training comprises a bearing base, a stand column, an adjusting seat, a back supporting plate and an angle adjusting assembly; the bearing base is formed by welding a cylindrical block and five groups of circumferentially arrayed supporting rods and is matched with universal wheels to give consideration to stability and mobility, the adjusting seat is drop-shaped, a limiting groove, a mounting groove and a fan-shaped groove are formed in the adjusting seat, the angle adjusting assembly comprises a sliding block, a connecting block, an adjusting screw rod, a gear and a bearing, and the adjusting screw rod is provided with a double-thread groove and is matched with a convex block of the adjusting seat to realize bidirectional locking. According to the device, stepless fine adjustment of 10-45 degrees of the back supporting plate can be achieved, angle identification of a pointer block and an arc-shaped groove facilitates rapid angle identification, operation is convenient and fast, locking is stable, bad postures can be effectively corrected, and the device is suitable for long-time precise training of an etiquette model.
Owner:ZHEJIANG YUYING VOCATIONAL & TECH COLLEGE

Electronic sighting telescope of QBZ191 type automatic rifle

The utility model discloses a QBZ191 type automatic rifle electronic sighting inspectoscope, which belongs to the technical field of shooting training equipment and particularly comprises a support unit, a fixing seat, an observation frame, a camera mounting support and an electronic camera unit. The fixing base is composed of a first clamping block and a second clamping block, and the fixing base is detachably installed at the bottom of a side table on one side of the front end of the support unit. The observation frame is fixed to one side of the tail end of the support unit, a real-time scene mapping prism is installed in the observation frame, the camera installation support is arranged at the tail end of the support unit, and the electronic camera unit is composed of a camera lens and a USB high-definition camera module. According to the utility model, a teacher can directly share the observation sight of a shooter through the display terminal, and the teacher does not need to be in close contact with the inspectoscope, so that the phenomenon of vision and neck and shoulder muscle fatigue is avoided, action interference on shooting posture training of students is avoided, and the risk of respiratory cross infection can be reduced.
Owner:AIR FORCE COMM SERGEANT SCHOOL OF PLA

Postural awareness and exercise device

A postural awareness device provides feedback when the lumbar is press down against a lumbar sensor to move a magnet toward a hall effect sensor or sensors. The magnet is configured in a sensor body that extends from a posture training mat and is resilient, wherein the sensor body can be compressed by the lumbar and then spring back to an original shape. A feedback device may include a light device, a vibration device and / or a sound device. The feedback signal, light, vibration or sound may initiate when the magnet is actuated by compression of the sensor body toward the posture training mat. The feedback signal may then change intensity or frequency as the magnet is actuated further toward the hall effect sensor. A feedback light may change color as the magnet is brought closer to the hall effect sensor.
Owner:M&H INNOVATIONS LLC

Sensor for monitoring posture

Wearable sensors and uses thereof are disclosed. Preferred sensors include surface EMG electrodes for measuring electrical muscle activity, by which muscle contraction is measured. Such muscle contraction can be used to determine a person's posture, especially when the contraction being measured is that of core muscles. An alert preferably is provided to a person in real time when an incorrect posture is detected. By providing such biofeedback, a person is trained in maintaining a good posture. Such posture training is believed to heal alleviate or even present lower back pain. Wearable sensors of the invention also can be used to measure contraction in muscles during exercise, including running and strength training, to gain information for use in improving such activities.
Owner:MYOMONITOR LLC

Static balance training device

The utility model discloses a static balance training device which comprises a base, a standing posture training device and a sitting posture training device. The standing posture training device and the sitting posture training device are arranged on the base. The standing posture training device comprises a bottom plate arranged on the base, a standing posture pressure sensor installed on the bottom plate and a standing posture pressure plate connected with the top of the standing posture pressure sensor. The sitting posture training device comprises a lifting translation rotating device arranged on the base, a pressure sensor mounting plate mounted on the lifting translation rotating device, a sitting posture pressure sensor mounted on the pressure sensor mounting plate, and a sitting posture pressure plate connected with the top of the sitting posture pressure sensor; and the lifting translation rotating device is used for realizing up-down lifting, front-back movement and left-right rotation of the sitting posture training device. The static balance training device has a standing posture and sitting posture static training function, and a trainee can conveniently adjust the position to do rehabilitation training.
Owner:JIANGSU LUBAI INTELLIGENT TECH CO LTD

A dribbling posture training device

The present application relates to the technical field of training equipment, and discloses a dribbling posture training device, which comprises a glove, a wrist sleeve arranged on the glove, an arm sleeve arranged on the wrist sleeve, a connecting mechanism one arranged on the glove, and three rope belts, one end of the three rope belts being sequentially sewn to the inner wall of the glove, one ball hitting count being carried out through a counting module, data being synchronized to a display module through a transmission module one, a qualified number of times being recorded when five contact sensors simultaneously sense the surface of a basketball, the qualified number of times being synchronized to the display module through a transmission module two and displayed on a curved screen, and the standard degree of the dribbling posture in the present training being calculated according to the ratio of the ball hitting number of times and the qualified number of times displayed on the curved screen, so that the accuracy in the ball hitting and dribbling process is enhanced through long-term training, the control over the basketball is increasingly stronger, the dribbling stability is improved, and the problems of being intercepted and losing the ball are reduced.
Owner:BEISMA SPORTS TECH (YANCHENG) CO LTD

Postural awareness and exercise device

A postural awareness device provides feedback when the lumbar is press down against a lumbar sensor to move a magnet toward a hall effect sensor or sensors. The magnet is configured in a sensor body that extends from a posture training mat and is resilient, wherein the sensor body can be compressed by the lumbar and then spring back to an original shape. A feedback device may include a light device, a vibration device and / or a sound device. The feedback signal, light, vibration or sound may initiate when the magnet is actuated by compression of the sensor body toward the posture training mat. The feedback signal may then change intensity or frequency as the magnet is actuated further toward the hall effect sensor. A feedback light may change color as the magnet is brought closer to the hall effect sensor.
Owner:M&H INNOVATIONS LLC

A posture training chair suitable for children with cerebral palsy

ActiveCN224421257UAvoid the risk of slippingPrevent excessive restraintCerebral palsiedMechanical engineering
This utility model discloses a sitting posture training chair suitable for children with cerebral palsy, including a chair board and a base. The bottom of the chair board is formed with at least one vertically extending connecting leg, which is vertically and movably inserted into the top of the base. The top surface of the chair board has two sets of symmetrically arranged upper holes, each set of upper holes including at least three parallel upper through holes, and a thigh strap is detachably threaded between any two upper through holes in the same set. The front side of the base has two sets of symmetrically arranged lower holes, each set of lower holes including at least three parallel lower through holes, and a calf strap is detachably threaded between any two lower through holes in the same set.
Owner:李丽花

Cerebral stroke posture control training method and system based on virtual reality technology

The invention discloses a stroke posture control training method and system based on a virtual reality technology, and belongs to the technical field of stroke rehabilitation training. The problems that in traditional posture control training, the training effect is poor, the enthusiasm of a patient is not high, and personalized training is lacked are solved. The method comprises the following steps: S1, constructing a stroke posture training database; s2, generating a VR virtual evaluation scene based on a stroke posture training database according to the rehabilitation target of the patient and the severity of the illness state; s3, performing posture control training according to the generated VR virtual evaluation scene, and capturing and recording posture information of the patient in the training process; and S4, analyzing and processing the acquired posture information, and generating a posture control training plan according to an analysis result. The VR technology and the CPPC technology are combined, wide application of the CPPC technology can be promoted, the requirement of most patients for pursuing high-quality rehabilitation training is met, and the situation of medical resource shortage is relieved.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Wearable limb movement action node positioning intelligent auxiliary device

The invention relates to the field of posture data acquisition and detection, in particular to a wearable limb movement action node positioning intelligent auxiliary device which comprises a wearable shell. A circuit board; the acceleration detection device comprises a pipe body, a first stress sensor, a second stress sensor and a movable ball; a first angle sensor; a signal transmission device; an alarm; when the force detected by the first stress sensor is larger than a set value X or the force detected by the second stress sensor is larger than a set value Y, the controller controls the first angle sensor to start and receives angle data of the first angle sensor; and a power supply. The military posture training device can prompt soldiers to constantly standardize training actions of the soldiers, so that the military posture actions are not only standard, but also are more powerful, and the essence and spirit of the soldiers are better displayed.
Owner:SHANXI WILDA ANDY TECHNOLOGY CO LTD

Head and neck posture trainer

The utility model relates to the technical field of training devices, in particular to a head and neck posture control training device which comprises a mounting seat, a counterweight plate is inserted into the inner surface of the mounting seat, a top plate is arranged on the inner surface of the mounting seat, a base is arranged on the lower surface of the mounting seat, and an arc-shaped groove is formed in the lower surface of the base. By arranging the mounting seat, the top plate, the counterweight plate and the like, a user can insert the top plate into the mounting seat to fix the counterweight plate, and the mounting seat is connected with the base through the spring, so that the spring and the mounting seat can give a feedback to the user when the head of the user abuts against the base, and the user can feel more comfortable when the head of the user abuts against the base. The spring can increase the instability of the mounting base, once the head or the cervical vertebra deviates, the mounting base inclines and swings, a user can quickly recognize whether the head and the neck are in a neutral position or not through the top plate in front of the mirror, and the user is helped to adjust the posture to maintain the neutral position of the head and the cervical vertebra.
Owner:THE FIRST AFFILIATED HOSPITAL OF SUN YAT SEN UNIV

Auxiliary device for ball hitting posture training

A ball striking posture training assistance device may include a first elongated member having a first side and a second side opposite the first side, a second elongated member extending from the first side of the first elongated member, and a pair of third elongated members extending parallel to each other from the second side of the first elongated member. The invention further discloses a method for using the ball hitting posture training auxiliary device.
Owner:BARTZ BOX GMBH

Rehabilitation training equipment and a rehabilitation training system

A rehabilitation training system. The A rehabilitation training equipment includes a driving device, a back placement device, a leg aid device, a cushion device, a first feedback device, and a control device. The driving device is configured to adjust rotation angles between the back placement device, the cushion device, and the leg aid device to achieve a posture training mode selected from a plurality of posture training modes including a standing mode, a sitting-up mode, and a lying mode. The first feedback device is used to obtain core muscle strength parameters of the human body. The control device is electrically connected to the first feedback device and the driving device, and is configured to obtain the core muscle strength parameters and send a control signal to the driving device.
Owner:XUANWU HOSPITAL OF CAPITAL UNIV OF MEDICAL SCI +1

Postural awareness and exercise device

A postural awareness device provides feedback when the lumbar is press down against a lumbar sensor to move a magnet toward a hall effect sensor or sensors. The magnet is configured in a sensor body that extends from a posture training mat and is resilient, wherein the sensor body can be compressed by the lumbar and then spring back to an original shape. A feedback device may include a light device, a vibration device and / or a sound device. The feedback signal, light, vibration or sound may initiate when the magnet is actuated by compression of the sensor body toward the posture training mat. The feedback signal may then change intensity or frequency as the magnet is actuated further toward the hall effect sensor. A feedback light may change color as the magnet is brought closer to the hall effect sensor.
Owner:M&H INNOVATIONS LLC

A scoliosis posture sensing and feedback system, and a human posture training action evaluation method and application

This invention discloses a scoliosis posture perception and feedback system, comprising hardware and software components. The hardware component includes a scoliosis posture perception and feedback device, which includes a display screen, a multi-camera setup, a voice interaction module, and an artificial intelligence chip. The software component includes a comprehensive digital training management platform with mini-programs and a web interface, as well as a cloud platform supporting data storage and management, data processing and analysis, AI model training and inference, and ensuring data security through encryption technology. This invention also discloses a method for evaluating human posture training movements, used to assess training movements and recommend subsequent personalized training programs, with broad application prospects.
Owner:SHANGHAI ZHENGJI MEDICAL TECHNOLOGY CO LTD

Comprehensive rehabilitation training machine with high adjustment degree of freedom

The invention relates to a comprehensive rehabilitation training machine with high adjustment freedom degree, and relates to the field of rehabilitation training equipment, the comprehensive rehabilitation training machine comprises a supporting device, a seat device, a lower limb exercising device and an upper limb exercising device, the seat device comprises a seat plate, a backrest frame, an adjusting electric cylinder and an adjusting part, the seat plate is located on the fixed frame and hinged to the front end of the fixed frame through a shaft, the adjusting electric cylinder is used for driving the seat frame to rotate, the backrest frame is rotationally connected with the end, away from the hinged shaft, of the seat plate, and the adjusting piece is used for driving the backrest frame to rotate. And a back cushion and a safety bandage are arranged on the backrest frame. Rotation of the seat plate and rotation adjustment of the backrest frame can be achieved so that different sitting posture training requirements and standing posture training requirements can be met, therefore, the waist and core muscle groups of disabled people can be effectively trained conveniently, and a good training effect can be kept.
Owner:SHAANXI HANXIN JIECHENG TECHNOLOGY CO LTD

Running posture training equipment

The running posture training equipment comprises a running machine body, fixed blocks are fixed to the tops of one ends of the two sides of the running machine body, first connecting blocks are fixed to the bottoms of the surfaces of the sides, away from the fixed blocks, of moving blocks, and second connecting blocks are fixed to the bottoms of the surfaces of the ends, away from the first rotating blocks, of rotating plates. Second rotating blocks are rotatably mounted on the upper surfaces of the second connecting blocks, and handrails are fixed to the sides, away from the rotating plates, of the second rotating blocks, in the using process, the positions of the handrails on the training equipment can be conveniently adjusted, a user can conveniently support the handrails when using the training equipment, and the training efficiency is improved. The positions of the armrests on the training equipment can be conveniently adjusted according to the body types of users, so that the training equipment can be used by the users with different body types, and the application range of the training equipment can be guaranteed.
Owner:BEISMA SPORTS TECH (YANCHENG) CO LTD

An exercise machine having multiple postural training functions

The present application belongs to the technical field of fitness equipment, and relates to a fitness equipment with multiple posture training functions, which comprises a front support assembly and a rear support assembly, a main frame assembly is fixedly connected between the front support assembly and the rear support assembly, the main frame assembly is two main frame pipes, a plurality of pairs of slide seat assemblies are movably installed on the two main frame pipes, the slide seat assemblies comprise first left slide seat assemblies and first right slide seat assemblies, the first left slide seat assemblies and the first right slide seat assemblies comprise pulley assemblies and seat cushions, two holes are formed in the pulley assemblies of the two first left slide seat assemblies and the first right slide seat assemblies respectively, and a connecting buckle can be installed in the holes in a staggered or normal position. The fitness equipment with multiple posture training functions has four groups of slide seat assemblies, adjacent slide seat assemblies can be separated or fixed, the first left slide seat assemblies and the first right slide seat assemblies are connected with ropes, and multiple fitness postures can be exercised according to the needs of users.
Owner:YONGKANG DABANG SPORTS EQUIP CO LTD

Air passenger standing posture training device convenient to adjust

The utility model relates to the technical field of training devices, and discloses an air passenger standing posture training device convenient to adjust, which comprises a base and a vertical rod, the vertical rod is vertically fixed above the side edge of the base, the vertical rod is vertically arranged above the surface of the base, the outer ring of the vertical rod is sleeved with five sliding sleeves in a sliding manner, and the sliding sleeves are arranged on the base. And transverse cylinders are transversely fixed to the side edges of the four sliding sleeves located on the lower portion, inserting rods are slidably inserted into the transverse cylinders, vertical plates are vertically fixed to the tail ends of the inserting rods, and abutting blocks are fixed to the surfaces of the vertical plates. According to the technical scheme, the multiple sliding sleeves with the transverse barrels and the inserting rods are arranged, the heights of the transverse barrels and the inserting rods and the extending distance of the inserting rods can be adjusted, locking of the sliding sleeves and the inserting rods can be quickly relieved by pulling the first connecting rod and the second connecting rod, and the sliding sleeves and the inserting rods can be locked under the reset effect of the springs. The clamping cone is clamped into the cone groove to quickly lock the sliding sleeve and the inserting rod, adjustment is more convenient, and the situation that the service life is affected due to the large abrasion effect is avoided.
Owner:HEILONGJIANG POLYTECHNIC

A neck brace for pre-thyroid surgery positioning training

This invention belongs to the field of cervical collar technology, specifically an adjustable cervical collar for pre-thyroid surgery posture training. The proposed solution includes: a support mechanism for supporting the neck; a lifting mechanism mounted on the support mechanism; the lifting mechanism comprising: multiple threaded cylinders fixedly mounted on the support mechanism; a threaded rod threaded through one end of each threaded cylinder; and a rotating rod threaded through the other end of each threaded cylinder. In this invention, the rotating rod and threaded rod can move up and down within the threaded cylinder. A pin is helically inserted into the gap between the movable half-thread and the fixed half-thread. Multiple magnets in the pin move to the middle of two magnet plates, simultaneously repelling each other with the same polarity, increasing the friction between the movable half-thread and the inner wall of the threaded cylinder. The movable half-thread and the rotating rod are synchronously and stably fixed within the threaded cylinder, providing advantages such as vibration resistance and secure fixation.
Owner:保定市第一中心医院