44 results about "Lateral bending" patented technology

The invention relates to the technical field of rehabilitation robots, in particular to a rigid-flexible coupling trunk rehabilitation robot and a control method thereof. The invention comprises: a flexible wearing garment; the upper-layer protector is mounted at the upper part of the flexible wearing clothes; the lower-layer protector is mounted at the lower part of the flexible wearing clothes; two lumbar vertebra branch mechanisms; the URS branch chain mechanism is used for adjusting the rehabilitation center to be consistent with the lumbar vertebra rotation center of the human body; the thoracic vertebra branch mechanism is arranged on the inner wall of the upper-layer protector; during wearing, the upper-layer protector is worn at the thoracic vertebra position of a human body, and the lower-layer protector corresponds to the hip joint of the human body. The thoracic vertebra branch mechanism is arranged on the upper-layer protector, the lumbar vertebra branch mechanism is arranged between the upper-layer protector and the lower-layer protector, and the thoracic vertebra branch mechanism and the lumbar vertebra branch mechanism act on the thoracic vertebra and the lumbar vertebra in a synergistic mode, so that partitioned targeted rehabilitation is achieved, namely independent stretching, forward flexion, backward stretching and lateral flexion rehabilitation training of the thoracic vertebra is achieved; therefore, the rehabilitation action of the human trunk is more targeted, the rehabilitation effect is good, and the applicability and the rehabilitation efficiency in the rehabilitation process are greatly improved.

The invention discloses a spine health monitoring method and monitoring device of an intelligent seat, a storage medium and the intelligent seat, and relates to the technical field of spine monitoring, and the method comprises the following steps: obtaining sitting posture information and physiological information of a target user; determining a humpback index and a lateral bending index based on the sitting posture information, and determining a fatigue index based on the physiological information; determining a health monitoring grade based on the humpback index, the lateral bending index and the fatigue index; and controlling the air pressure of a motor and / or an air bag of the intelligent seat based on the health monitoring grading result. Therefore, according to the method, the air pressure of the motor and the air bag of the intelligent seat is hierarchically controlled based on the humpback index, the lateral bending index and the fatigue index, dynamic intervention of the sitting posture can be realized, and the accuracy of spine health monitoring is improved.

The invention provides a collision dummy, relates to the technical field of collision dummies, and can improve the reliability of collision test data. A thoracic section spine structure of the collision dummy comprises at least two first rigid thoracic vertebra pieces and at least two flexible thoracic vertebra pieces, the first rigid thoracic vertebra pieces and the flexible thoracic vertebra pieces are alternately arranged in the extending direction of the thoracic section spine structure and are sequentially connected end to end, and rib pieces are fixedly connected with the first rigid thoracic vertebra pieces. The rib parts and the first rigid thoracic vertebra parts are arranged in a one-to-one correspondence mode, and the at least two rib parts are slidably connected with the sternum part in the extending direction of the thoracic segment spine structure. According to the collision dummy provided by the invention, compression and extension of the flexible thoracic vertebra piece enable the thoracic segment spine structure to generate motions such as bending, extension and lateral bending, so that the collision dummy can generate responses such as forward bending, backward bending and lateral turning, and the injury condition of the collision dummy in collision is relatively consistent with the injury condition of a real human body; the reliability of collision test data can be improved.

A racquet including a frame including a head portion, a handle portion, and a throat portion. The head portion forms a hoop that defines a string bed plane. The head portion of the racquet being formed of a fiber composite material. When the racquet is tested under the racquet lateral bending test, the racquet has a lateral deflection of at least 6.5 mm when measured in a first direction that is parallel to the string bed plane and perpendicular to the longitudinal axis. When the racquet is tested under a racquet forward / rearward bending test, the racquet has a forward / rearward deflection with respect to the longitudinal axis of less than 7.3 mm when measured in a direction that is perpendicular to the string bed plane and perpendicular to the longitudinal axis.

The invention discloses a teenager scoliosis eight-section brocade guide massage system and a personalized training method, and relates to the technical field of medical rehabilitation. The system comprises a lateral bending parting evaluation module which measures a Cobb angle and a centrum rotation angle through a 3D spine scanner and detects a muscle tension difference through a surface myoelectricity collector; the eight-section brocade improved action library is used for storing asymmetric improved actions aiming at a right chest bend, a left waist bend and an S-shaped bend, the action angle of the concave side is increased by 5-30 degrees, and the action angle of the convex side is correspondingly reduced; the directional massage auxiliary unit is provided with a pressure silicon controlled rubber massage head, the convex side is released by adopting an 8-10 Newton rolling method, and the concave side is activated by adopting a 3-5 Newton point pressing method; and the intelligent motion correction module monitors spinal motion in real time through five inertial measurement units, and provides voice vibration feedback when the deviation exceeds a threshold value. The training method adopts a progressive scheme, is implemented in stages according to the size of a Cobb angle, and comprehensively intervenes through'massage release-guide correction-acupoint activation '.

The application provides a crash dummy, and relates to the technical field of crash dummies, and can improve the reliability of crash test data. A chest segment spine structure of the crash dummy comprises at least two first rigid thoracic vertebra pieces and at least two flexible thoracic vertebra pieces, the first rigid thoracic vertebra pieces and the flexible thoracic vertebra pieces are alternately arranged along the extension direction of the chest segment spine structure and sequentially connected in a head-to-tail mode, a rib piece is fixedly connected with the first rigid thoracic vertebra piece, the rib piece is arranged in one-to-one correspondence with the first rigid thoracic vertebra piece, and the at least two rib pieces are all slidably connected with a sternum piece along the extension direction of the chest segment spine structure. The compression and expansion of the flexible thoracic vertebra piece enable the chest segment spine structure to produce bending, stretching and lateral bending movements, the crash dummy can produce forward bending, backward bending and lateral turning responses, the injury condition of the crash dummy in a crash is consistent with the injury condition of a real human body, and the reliability of crash test data can be improved.

The utility model discloses a correction frame for preventing scoliosis of children, and relates to the technical field of spine correction frame design, the correction frame comprises an anti-scoliosis mounting frame, a correction adjustment fixing unit and an auxiliary fixing unit, the anti-scoliosis mounting frame is provided with three ventilation rectangular holes in an annular array; each ventilation rectangular hole penetrates through the front side and the rear side of the anti-lateral-bending mounting frame, the interior of each ventilation rectangular hole is fixedly connected with the first ventilation fabric in a clamped mode, auxiliary fixing units are arranged on the left side and the right side of the anti-lateral-bending mounting frame respectively, and the anti-lateral-bending mounting frame is in a triangular dart shape. The correction adjusting and fixing unit comprises a clamping fixing block, a scoliosis corrector, a connecting and fixing plate, an elastic fixing belt, a clamping screw hole and a connecting stud, when people with different heights use the device, the fixing device can be adjusted, wearing and using of the device are not affected, the device is worn firmly, and spine correction and using are not affected.

The present application relates to a kind of anterior cervical dynamic fixation plate, including first bone plate and second bone plate, first bone plate and second bone plate can be limit expansion and limit rotation and nested connection between, first bone plate corresponds the end of second bone plate and is equipped with connecting plate, both sides of connecting plate are respectively equipped with lug, second bone plate inside is equipped with the cavity of accommodating connecting plate, both sides of cavity are respectively equipped with limit sliding slot, connecting plate can limit rotation and be set in cavity inside and the lug can limit sliding and be covered in limit sliding slot, first bone plate and second bone plate are opened on the each cervical vertebra segment of corresponding patient anterior cervical fixed and have fixed hole.The present application can be based on guaranteeing cervical vertebra fixed segment stability, realize that cervical vertebra fixed segment has a certain range of expansion and lateral bending activity, while it can also avoid excessive activity, it is favorable to reduce postoperative complication, and it is favorable to the reservation of cervical vertebra motor function.

The invention discloses a spine minimally invasive intervertebral fusion cage and a rigid fixing device thereof, and relates to the technical field of medical implantable instruments, and the spine minimally invasive intervertebral fusion cage comprises a lumbar vertebra body and a vertebral plate nail. According to the spine minimally-invasive intervertebral fusion cage and the rigid fixing device thereof, the total length of the connecting rods is adjusted according to the specific spine curvature of a patient and the actual positions of the two vertebral plate nails, so that the optimal matching position is found and corresponds to the actual requirement, and the spine minimally-invasive intervertebral fusion cage and the rigid fixing device thereof are convenient to use. The stress concentration on a single component is reduced through a surface contact and multi-point multi-direction fixing mode; the rigid supporting frame is symmetrically distributed on the two sides and is not fixed to the middle of the spine, then a core nerve structure is avoided, the symmetrically-distributed rigid fixing devices and the spine jointly form a three-dimensional triangular supporting frame, then lateral bending and rotation are resisted, and therefore the stable supporting structure is constructed; and a good mechanical environment is created for spinal fusion.

The application discloses an anchoring hook, a valve stent and a valve prosthesis. The anchoring hook body comprises a straight rod segment, a bending segment and a free segment arranged in sequence from a root to a head. A slit has a starting point in the root area of the straight rod segment, and the slit extends from the starting point along the length direction of the anchoring hook body through the straight rod segment, the bending segment and at least a part of the free segment. The slit penetrates the anchoring hook body in the thickness direction of the anchoring hook body, and the width of the slit in the width direction of the anchoring hook body satisfies that the bending stiffness of the anchoring hook body changes within a predetermined threshold range compared with that before the slit is formed. The anchoring hook in the application is slit on the body, and the slit can enhance the torsional compliance of the whole anchoring hook without affecting the bending stiffness of the anchoring hook body. When subjected to multi-dimensional interaction force caused by continuous contraction of the heart or subjected to torsional force that makes the anchoring hook have a lateral bending or torsional tendency, the anchoring hook in the application has good fatigue performance.

The application discloses a modular flexible bionic hand based on a dual-mode wire driving, and belongs to the technical field of robots. The dexterous hand comprises a finger assembly, a palm base assembly, an independent driving module, a coupling driving module, an arm base assembly and a tendon; the inner cavity of the arm base assembly is provided with the coupling driving module for driving the opening and closing of the thumb, the index finger and the middle finger simultaneously, and the independent driving module for driving the independent bending of each finger and the lateral bending of the thumb. The bionic hand can be provided with 7 degrees of freedom, adopts a tendon driving mode; the finger assembly is composed of five modular flexible fingers; the knuckles adopt equidistant porous microstructures to improve the shape adaptability and impact resistance, realize the positive active bending and the lateral passive bending; the external driving makes the driving module away from the end effector, and is beneficial to improving the dynamic performance of the bionic hand. The application adopts modular assembly, has the advantages of reliable structure, convenient manufacturing, light weight, high efficiency and low cost.

The invention relates to an electric iron member tension test device, which relates to the related technical field of material tension test, and comprises a base, an extrusion seat, a positioning mechanism, a hanging piece, a detection mechanism, a sliding plate, a sliding seat, a trigger mechanism, a clamping mechanism, a dynamometer and a hydraulic jack, the problem that eccentricity of the U-shaped hanging ring after being placed is not considered in the placing process in the prior art can be solved, eccentric loading can cause single-side stress concentration of the hanging ring, actually-measured fracture load is possibly lower than a true value, product quality is misjudged, the hanging ring can be accompanied by additional bending moment during eccentric stress, non-axial deformation is caused, calculation of parameters such as elasticity modulus is interfered, and the product quality is influenced. The problems that metal fragments tend to be sprayed to the stress concentration side during asymmetric fracture, the personnel injury probability is increased, the axial direction of the high-quality U-shaped hanging ring is in a symmetrical deformation state under pure pulling force, and if abnormal lateral bending occurs, the situation of inclusions in materials or uneven heat treatment can be possibly indicated are solved.

The invention relates to the technical field of medical equipment, in particular to an auxiliary positioning device for spine surgery. Comprising a fixing frame and further comprises a first positioning mechanism arranged on the fixing frame, the first positioning mechanism comprises a longitudinal positioning frame slidably connected into the fixing frame and a transverse positioning frame slidably sleeved with the longitudinal positioning frame, and a second positioning mechanism is arranged in the transverse positioning frame; the second positioning mechanism comprises an annular frame rotationally connected into the transverse positioning frame, a rectangular rail is fixedly connected to the inner wall of the annular frame, a lantern ring staggered with the rectangular rail is arranged, and a guide pipe is fixedly connected into the lantern ring. By arranging the first positioning mechanism, spines with different lateral bending degrees can be more comprehensively dealt with, the position of the catheter can be conveniently and rapidly adjusted, and by arranging the second positioning mechanism, when the catheter is rotated, the position of the catheter can be automatically adjusted and compensated, so that the axis of the catheter always faces a positioning point of the skin of a patient; repeated measurement and positioning are not needed, and operation efficiency is improved.

The utility model relates to a welding tool and a welding system for a T-shaped structure, the welding tool comprises a base, the T-shaped structure is inversely placed on the top surface of the base, and the top surface of the base is in contact with a transverse plate of the T-shaped structure; the fixing assembly comprises a plurality of limiting pieces and a plurality of clamping blocks, the limiting pieces are arranged on the base in a row, intervals are reserved between the limiting pieces and the top face of the base, a transverse plate on one side of the T-shaped structure is located in the intervals of the limiting pieces, and the clamping blocks are inserted into the intervals respectively; and the limiting parts are respectively propped between the limiting parts and the top surface of the transverse plate. Through the application, the acting force opposite to the lateral bending and longitudinal bending deformation direction can be formed to control the deformation.

The application discloses an active exoskeleton for correcting scoliosis, which comprises a fixing module worn on a trunk part, a bionic spine module for connecting adjacent fixing modules to realize forward and backward flexion, lateral bending and rotation movement following a human spine, and a power self-driven tensioning module arranged on the lower fixing module to drive a correction wire and act on the lateral part of the upper fixing module, the middle fixing module and the lower fixing module through a threading pipe group sleeved on the correction wire to realize the application of a correction force on the trunk. The application adopts a modular design, has compact structure and strong operation reliability, realizes the movement of the brace in each direction through the bionic spine module, and realizes the correction of the trunk scoliosis by adjusting the tension of the correction wire through the power self-driven tensioning module.

The invention relates to the technical field of sports shoe detection, and discloses a sports shoe sole strength detection device which comprises a bottom box, four first supporting columns are fixedly connected to the top of the bottom box, and a fixing table is fixedly connected to the tops of the four first supporting columns. The natural bending process of the shoe sole when a person walks can be accurately simulated through upward turning of the first placing plates, basic detection of the bending performance of the shoe sole is achieved, the first placing plates on the two sides can be bent under the action of the first protruding blocks during bending, reverse lateral force is applied to the shoe sole, the shoe sole generates transverse twisting deformation, and the bending performance of the shoe sole is improved. Compared with a traditional single-direction bending detection mode, the device can more comprehensively and truly reflect the stress condition of the shoe sole in actual wearing, effectively avoids the problem of wearing discomfort or damage caused by insufficient lateral bending performance of the shoe sole, and improves the detection accuracy of the shoe sole. And a more reliable data support is provided for the bending performance evaluation of the sole.

Disclosed in the present invention is a valve delivery system, which comprises: a delivery assembly, wherein the delivery assembly comprises a sheathing canal assembly and a pipeline assembly which are sequentially arranged from outside to inside, the sheathing canal assembly comprises a first delivery pipe and a second delivery pipe which are sequentially arranged from outside to inside, a lateral bending adjusting pipe is arranged at a position of the first delivery pipe located at the distal end, an axial bending adjusting pipe is arranged at a position of the second delivery pipe located at the distal end, and the axial bending adjusting pipe is located at a position proximal to the side of the distal end of the lateral bending adjusting pipe relative to the lateral bending adjusting pipe; and a bending adjusting assembly, wherein the bending adjusting assembly comprises a lateral bending adjusting assembly and an axial bending adjusting assembly which are arranged on an operation handle, the lateral bending adjusting assembly is used for controlling the lateral bending adjusting pipe to bend towards both sides of a vertical plane where the pipeline assembly is located, and the axial bending adjusting assembly is used for controlling the axial bending adjusting pipe to bend in the vertical plane where the pipeline assembly is located. Both a bending adjusting function and a step-by-step release function are integrated on the delivery system, such that step-by-step release of a valve can be achieved while a three-way bending adjusting operation is achieved. Therefore, the use performance of the delivery system is expanded, and the operability of the system is further improved.

Devices and methods for treating penile conditions are disclosed. A penile treatment device can include a sleeve and a frame. The sleeve can be configured to receive a penis of the human body. The sleeve can be configured to radially contract around and grip the penis in response to axial tension. The frame can be configured to be disposed at least partly around the sleeve and extend along at least a portion of a length of the penis. The frame can include a first support, a second support, and an end cap. The second support can be pivotable relative to the first support to apply a transverse bending force to the penis. The end cap can be coupled to the second support and can be configured to secure the sleeve to the frame. The frame can be lengthened to axially tension the penis.

The utility model relates to a device capable of adjusting the height of a head, a neck and shoulders, which comprises a detector, a rack fixed near the detector, and a bed body erected on the rack in a front-back translation manner, the head part of the bed body is a platform-type adjustable table made of non-metal materials, and a plurality of layers of air bags are arranged on the upper side of the adjustable table; the flexible supporting pad is used for supporting the head, the neck and the shoulders, the air bag obliquely supports the supporting pad, the lowest end of the supporting pad is close to the shoulders, and the supporting face of the supporting pad is provided with a head supporting groove, a neck supporting groove, a shoulder supporting groove and two arm positioning grooves so as to position the head, the neck, the double shoulders and the double arms respectively. The head, neck and shoulder positions of a human body can be locked at relatively low cost, the requirements of head, neck and shoulder position fixing, lifting and height adjusting in examination or treatment of elderly patients with abnormal body positions (such as thoracic vertebra lateral bending and head and neck forward leaning fixing postures) are met, and artifacts and signal interference of the detector cannot be caused.

The invention discloses a control method for preventing sidewise bending of longitudinal slitting of a hot-rolled coil. The control method comprises the steps of controlling the transverse thickness deviation of a steel plate and calculating the transverse center thickness variation requirement of the steel plate. The control method comprises the following steps that the steel plate inner side deformation amount is calculated according to the steel plate bending amount; calculating the thickness reduction of each steel plate under the action of tension according to the principle that the volumes of the steel plates are not changed before and after deformation; and calculating the transverse center thickness variation of the steel plate. The control method for preventing sidewise bending of longitudinal slitting of the hot-rolled coil plate is reasonable in design, the sidewise bending defect of slitting is effectively reduced by controlling the change of the transverse thickness of the steel plate, and the product quality of the steel plate is improved; according to the control method, additional treatment equipment is not needed, and the production cost is relatively low.

Devices and methods for treating penile conditions are disclosed. A penile treatment device can include a sleeve and a frame. The sleeve can be configured to receive a penis of the human body. The sleeve can be configured to radially contract around and grip the penis in response to axial tension. The frame can be configured to be disposed at least partly around the sleeve and extend along at least a portion of a length of the penis. The frame can include a first support, a second support, and an end cap. The second support can be pivotable relative to the first support to apply a transverse bending force to the penis. The end cap can be coupled to the second support and can be configured to secure the sleeve to the frame. The frame can be lengthened to axially tension the penis.

The invention relates to the technical field of plate machining equipment, in particular to a multilateral synchronous bending machine and a bending method. The multilateral synchronous bending machine comprises a rack, a sliding block, a hydraulic system and a workbench; the bending machine further comprises a deflection compensation device, a positioning auxiliary device and a multi-edge synchronous bending device, the multi-edge synchronous bending device comprises two sets of lateral bending mechanisms and transverse bending mechanisms, and the lateral bending mechanisms are connected to the multi-direction positioning reference table in a sliding mode through guide sliding rails and connected with the transverse bending mechanisms in a matched mode. The transverse bending mechanism is arranged between the two sets of lateral bending mechanisms and fixedly connected with the sliding block. Through precise positioning of the positioning auxiliary device, cooperative action of the multi-edge synchronous bending device, dynamic adjustment of the deflection compensation device and buffering stability of the elastic pre-tightening device, one-time forming machining of a multi-edge plate is achieved, and the problems that in a traditional bending process, accumulated errors are large, and production efficiency is low due to multiple times of positioning are effectively solved.

The utility model relates to a bionic model, in particular to a scoliosis teaching aid with a visual anatomical structure, and solves the problem of design of a human body bionic model. Comprising an inner framework and an outer rubber body wrapping the inner framework, the inner framework is provided with a spine moving line which is bent and deformed, the outer rubber body moves in the same direction by making contact with the inner framework, the outer rubber body is further provided with a built-in light source assembly, and the light source assembly at least comprises a moving light source synchronously moving along the spine moving line. The adjusting assembly is used for connecting and pulling the inner skeleton to act and comprises a position and posture adjusting part and a lateral bending adjusting part which are arranged at an interval along the moving line of the spine. The upper half body below the neck of the human body is simulated, observation is facilitated through an internal multi-point light source and a silica gel material, internal and external tissue structures are completely arranged to achieve linkage, rapid operation and adjustment can be achieved from the side face, and practicability and economical efficiency are achieved.

The present application provides an culture vessel active-oscillation slide mechanism and a shaker incubator, which can improve the overall stiffness and stability of the slide mechanism to avoid the creation of lateral bending moment while ensuring the culture vessel in the shaker incubator to fully extend out, and can also simplify the assembly complexity of a stroke amplification mechanism and reduce the number of parts. The culture vessel active-oscillation slide mechanism comprises a slide power transmission device, a slide stroke amplification mechanism and a slide mounting plate. The slide power transmission device can convert a rotational motion of an output shaft of a slide drive motor into a linear displacement in a direction of width. The slide stroke amplification mechanism amplifies the stroke of the linear displacement of the slide power transmission device in the direction of width. Rigid multi-stage rails are mounted on two sides of the slide mounting plate in a direction of length of the incubator body. In the multi-stage rails are configured to, by means of stages of rails partially sliding out relative to each other, support a culture vessel carrier mounting plate that fully extends out after the stroke is amplified.

The invention relates to the technical field of auxiliary movement, in particular to a multi-degree-of-freedom waist movement auxiliary device which comprises a frame body, an auxiliary mechanism, a rotation driving mechanism, a lateral flexion driving mechanism and a front-back flexion and extension driving mechanism, the output end of the rotation driving mechanism is connected with a spine chassis, and adjacent joints of the auxiliary mechanism are elastically connected; a first stress plate is arranged at the rear end of the spine middle joint, a connecting plate is arranged at the rear end of the first stress plate, the front-back bending and stretching driving mechanism is arranged on the connecting plate, the spine bottom joint and the spine top joint are each provided with a back fixing assembly, and the upper end and the lower end of a first electric push rod of the lateral bending driving mechanism are connected with the two back fixing assemblies respectively. The multi-degree-of-freedom driving mechanism is combined with a rigid-flexible coupling joint connection mode, the problem of man-machine mismatching caused by motion coupling in a traditional device is effectively avoided, motion naturalness and man-machine collaboration are remarkably improved, and the robot is compact in overall layout, light in weight and suitable for various scenes.

The invention belongs to the technical field of workpiece lateral bending correction, and discloses a long and straight workpiece lateral bending correction method, which comprises the following steps: selecting a plurality of first heating areas on the side wall, close to the bending side, of a long and straight workpiece, and respectively extending two sides of each first heating area to two side surfaces adjacent to the side wall along the thickness direction of the side wall; the first heating area is heated, the first heating area is naturally cooled after being heated for a preset time, so that reverse straightening force is generated to offset deformation, and straightening of lateral bending of the long and straight workpiece is achieved. In addition, the two sides of the first heating area extend to the two side surfaces adjacent to the side wall in the thickness direction of the side wall, and the lateral bending of the long and straight workpiece is straightened. In the process of heating the first heating area, heat can be uniformly expanded to the surface adjacent to the side wall, so that the two side surfaces adjacent to the side wall are uniformly heated, a relatively large temperature difference is avoided, and non-uniform structural stress distribution of the cooled long and straight workpiece is avoided.

The utility model relates to the technical field of artificial intervertebral discs, in particular to an artificial intervertebral disc with a springback function, which comprises an artificial intervertebral disc body, and the artificial intervertebral disc body is of an integrally formed structure or a split structure. The artificial intervertebral disc body comprises an upper fixing plate, a lower fixing plate and an elastic body arranged between the upper fixing plate and the lower fixing plate; the outer surfaces of the upper fixing plate and the lower fixing plate are respectively provided with micropores and biological coatings for bone ingrowth induced by hydroxyapatite, and the upper fixing plate and the lower fixing plate are respectively provided with a plurality of round holes and fixing teeth. The intervertebral plate is reasonable in structural design, can perform multiple fixation on the vertebral body, can perform good axial compression and rebounding in the longitudinal axis direction of the vertebral column of the human body, can perform flexion and extension, lateral bending, rotation and other motions, can reconstruct dynamic stability of an intervertebral long segment after the intervertebral plate and the vertebral body are cut off, and is high in physiological activity matching degree with the normal vertebral column of the human body; implantation is convenient, fixation is stable, rebound resilience is high, and elasticity is lasting.

A system for correcting a lateral curvature of a spine that can include a plurality of screws configured to be implanted in a plurality of vertebrae, and a plurality of extensions configured to be removably coupled with the plurality of screws. Some embodiments of the plurality of extensions can be curved, bent, angled, and / or offset along at least a portion thereof and can be removably coupled with a screw head of each of the plurality of screws. The system can include a connecting element or rod that is configured to be coupled with the plurality of screw heads. Some embodiments of the system can be configured such that the rod can be guided along the plurality of extensions from the proximal toward the distal end portions of the extensions and into engagement with the plurality of screws to cause the plurality of vertebrae to move laterally.

The utility model discloses a lateral bending prevention structure for truss installation, which relates to the technical field of building construction and comprises a vertical H-shaped steel beam group, a beret piece side rod group, a reinforcing rib fastener and a support column. According to the lateral bending prevention structure, the lateral bending prevention supporting degree of a top truss of the whole frame structure can be achieved when chord members of the beret piece side rod sets and the string truss bases are combined and welded to T-shaped reinforcing rib plates of the vertical H-shaped steel beam sets; the chord member and the string truss seat have the supporting strength of combined unloading diffusion stress stability and instability prevention, so that when the first H-shaped cross beam and the second H-shaped cross beam are crosswise fixed at the top of the supporting column, the secondary anti-side-bending truss at the bottom end and the supporting column can be welded through reinforcing rib fasteners welded and fixed at the bottom of the vertical steel beam column and the bottom of the rear supporting rod; the C-shaped reinforcing rib plates between the cover plate and the bottom frame are buckled with the buckling ribs, so that the surrounding degree of the connecting end of the truss and the load bearing coefficient of the stress ribs can achieve the effect of stable load.