25 results about "Lateral bending" patented technology

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 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 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 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.

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.

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 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.

The application discloses a pedicle disconnection lengthening nail, which comprises a front nail and a rear nail in sliding connection with the front nail, the outer surfaces of the front nail and the rear nail are provided with self-tapping external threads with equal pitches, a through hole is vertically arranged in the interior of the rear nail, the upper end of the front nail is fixedly connected with an extension column, the upper end of the extension column is fixedly connected with a sliding cross bolt, the lower end of the rear nail is provided with a through sliding groove, the two sides of the sliding cross bolt are respectively located in the two sliding grooves and slide up and down along the sliding grooves, the sliding groove, the extension column and the inner core bolt are arranged, the pedicle is lengthened by screwing the inner core bolt into the extension column, the extension column can swing in the inner cavity of the rear nail at a small amplitude, the lateral bending force caused by the non-parallel entry of the two nails at different times or at the same time is adapted, and the damage to the vertebra is reduced.

The invention discloses a joint dilator designed for an atlantoaxial lateral joint, the joint dilator comprises a driving mechanism and two distraction arms, the far end of each distraction arm is provided with a bifurcated frame, the bifurcated frame comprises two lateral bending parts which expand and extend outwards from one distraction arm to the other distraction arm, and the two lateral bending parts are connected with the driving mechanism. The two lateral bending parts are symmetrically arranged with respect to the axis of the distraction arm and are in an outwards-expanded state, the tail ends of the lateral bending parts are provided with forked feet used for making contact with a joint surface, and the forked feet and the axis of the distraction arm are arranged in parallel, so that the forked feet, the lateral bending parts and the far end of the distraction arm form a U-shaped fork structure. The two problems of uneven stress and view shielding in joint surface distraction are solved, two pairs of stable supporting lines are formed by the four forked feet, the joint surface is lifted and distraction in a balanced mode, it is ensured that the left and right outer atlantoaxial joints are distraction in a consistent range, single-side dislocation is avoided, and the problems that due to a traditional double-claw instrument, the joint surface is inclined, the single-point pressure intensity is too large, and the joint surface distraction effect is poor are solved. And the risks of cartilage injury and instrument slippage are reduced.

The utility model relates to the technical field of spine correction instruments, in particular to a novel flexible orthopedic device for degenerative lumbar lateral bending, which comprises a waist support belt body, waist support belt hook-and-loop fasteners matched with each other are arranged at two ends of the waist support belt body, a convex side correction device is fixedly arranged on one side of the waist support belt body, and the convex side correction device is fixedly arranged on the other side of the waist support belt body. A convex side correcting device is fixedly arranged on one side of the waist protecting belt body, a concave side correcting device is fixedly arranged on the other side of the waist protecting belt body, a convex side waist supporting device is arranged on the upper side of the convex side correcting device, a shoulder correcting device is arranged on the concave side correcting device, and the shoulder correcting device surrounds the trunk of a user and is matched with the convex side shoulder of the user. The hip adjusting belt, the convex side waist fixing belt and the shoulder correcting belt are arranged to act on the shoulders, the waist and the hip in a dynamic pulling force mode, asymmetric pulling force is applied to the two sides for targeted treatment, and abnormal body postures such as high and low shoulders, lumbar lateral protrusion and pelvis rotation are improved.

The present application relates to plate processing equipment technical field, especially to a kind of multi-edge synchronous bending machine and bending method, including rack, sliding block, hydraulic system and workbench;It further includes deflection compensation device, positioning auxiliary device and multi-edge synchronous bending device, multi-edge synchronous bending device includes two groups of lateral bending mechanism and transverse bending mechanism, lateral bending mechanism is slidably connected on multidirectional positioning datum table by guide slide rail, and is cooperatively connected with transverse bending mechanism;Transverse bending mechanism is arranged between two groups of lateral bending mechanism, and transverse bending mechanism is fixedly connected with sliding block.The present application realizes the one-time forming processing of multi-edge plate by the accurate positioning of positioning auxiliary device, the cooperative action of multi-edge synchronous bending device, the dynamic adjustment of deflection compensation device and the buffer stability of elastic pre-tightening device, effectively solves the problems of large cumulative error and low production efficiency caused by multiple positioning in traditional bending process.

The invention discloses a lumbar vertebra tractor for bone fracture treatment, and relates to the technical field of medical health care instruments, the lumbar vertebra tractor comprises a bed body, the bed body comprises an upper bed body and a lower bed body, and the upper bed body and the lower bed body are movably connected through a guide mechanism. The lower bed body is divided into the upper movable body and the lower driving body, the crotch of a patient is located on the movable body, and in the process that the patient is subjected to one-way traction stretching through the upper traction sleeve and the lower traction sleeve, the movable body is driven by residual air source power to swing on the horizontal plane; therefore, the crotch and the body below the crotch of the patient are driven to synchronously swing, the lumbar vertebra and waist muscles of the patient can move in the moving degree of the patient, stiffness of the waist muscles of the patient in the long-time stretching process is avoided, the lumbar vertebra traction and stretching effect of the patient can be improved, and the traction effect of the patient is improved. And synchronous correction and stretching of the concave side and the convex side can be carried out on part of patients with lumbar lateral bending.

A device for anchoring a medical tool in a large body lumen, the device including an elongate support configured to axially support a medical tool in a body lumen against longitudinal movement along the body lumen, wherein the elongate support is axially inflexible and can bend laterally. An anchoring frame for anchoring in a body lumen, the frame sized and shaped to expand to a diameter corresponding to the aorta. Related apparatus and methods are also described.

The invention relates to a connector (1) for a wiper blade (3), wherein the connector (1) is configured to pivot about a transverse articulation axis (7) with an adapter (9) which is designed to enable an articulation connection between the blade (3) and a drive arm (11), wherein the connector (1) includes a body (19) which is provided with two opposing lateral sections (21) defining a receptacle designed to receive the adapter (9) and with an axis (7) between the sections (21) for the articulation connection of the blade with the arm, wherein the sections (21) in the region of each of the ends of the articulation axis (7) include a shoulder (31) which is configured to enable axial guidance of the articulation connection between the blade and the arm, wherein the lateral sections (21) are configured to allow a lateral bending f of the adapter in support against the shoulder (31).

The present application relates to a kind of multi-directional reinforcing locking system of spinal pedicle screw, including pedicle screw, nail seat, connecting rod and screw plug, the pedicle screw is arranged on nail seat, connecting rod is radially through nail seat and is pressed on the top of pedicle screw above, the screw plug is screwed with nail seat, and screw plug is resisted with connecting rod, its innovation lies in: the screw thread top surface of the screw plug and along its axial direction has the locking protrusion extending upwards, the outer circumferential surface of the locking protrusion and the screw thread outer circumferential surface of screw plug form the continuous envelope locking surface, the envelope locking surface is made of negative locking surface F1, radial limit surface F2, locking inclined surface F3 and axial limit surface F4.The present application can generate multi-directional locking force, strengthen the axial torque between nail seat and screw plug, make product form all-around locking in spinal orthopedic lateral bending and other need high-strength surgery, effectively prevent nail seat from opening, and reduce the risk of screw plug from escaping in locking process.