Balancing angle testing device and method for orthopedic implantable joint apparatus

Abstract

The application relates to the technical field of mechanical joint testing, in particular to a balance angle testing device and method for orthopedic implantable joint instruments, which comprises an assembling frame, a rectangular assembling frame is fixedly installed on the assembling frame, an orthopedic implantable joint instrument is movably installed in the rectangular assembling frame, a first electric push rod is fixedly installed on one side of the assembling frame, and a movable mounting seat is fixedly installed on a piston rod of the first electric push rod. The piston rod of a stepping motor drives the upper rotating part to rotate, the upper rotating part drives the upper end of the orthopedic implantable joint instrument to rotate when rotating, one end of a normal joint is relatively stable when moving, the other end can move at multiple angles, including multiple movement modes such as flexion and extension, rotation, inversion and the like, the lower end is softly fixed to simulate the fixed state of the relatively stable end of the joint in the body, and the multiple-angle adjustment of the upper end can well imitate the movement of the moving end of the joint, so that the detection environment is closer to the real human physiological state.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical joint testing, in particular to a balance angle testing device for orthopedic implantable joint instruments and a method thereof. BACKGROUND

[0002] Orthopedic implantable joint instruments refer to medical devices implanted in the joint part of the human body through surgical operation to replace, repair or enhance the function of the human joint. These instruments are usually made of materials with good biocompatibility to reduce adverse reactions to human tissues.

[0003] When the orthopedic implantable joint instrument is tested for balance angle, one end of the orthopedic implantable joint instrument needs to be fixed, and the pressure on the other end needs to be changed to detect the specific data of the joint position of the orthopedic implantable joint instrument. However, the detection method of fixing one end and pressing the other end of the orthopedic implantable joint instrument is slightly different from the actual situation where one end of the joint is relatively fixed and the other end is movable, which has poor simulation effect and affects the accuracy of the detection data. SUMMARY

[0004] The purpose of the present application is to provide a balance angle testing device for orthopedic implantable joint instruments and a method thereof to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a balance angle testing device for orthopedic implantable joint instruments, comprising an assembly frame, a rectangular assembly frame is fixedly installed on the assembly frame, an orthopedic implantable joint instrument is movably installed in the rectangular assembly frame, a first electric push rod is fixedly installed on one side of the assembly frame, an active mounting seat is fixedly installed on the piston rod of the first electric push rod, a rectangular mounting seat is fixedly installed on the side of the active mounting seat away from the piston rod of the first electric push rod, a fixed shaft seat is fixedly installed on the side of the rectangular mounting seat away from the active mounting seat, an active shaft seat is rotatably connected to the fixed shaft seat, a connecting plate is fixedly installed on the side of the active shaft seat away from the fixed shaft seat, a fixed clamping seat is fixedly installed on the side of the connecting plate away from the active shaft seat, an arc-shaped adhesive version is fixedly installed on the fixed clamping seat, an arc-shaped buckle is fixedly installed on the arc-shaped adhesive version, a group of arc-shaped elastic sheets are fixedly installed on the fixed shaft seat, the ends of the arc-shaped elastic sheets away from the fixed shaft seat are supported at the corresponding positions on the outer wall of the connecting plate, and a fixing mechanism corresponding to the orthopedic implantable joint instrument is arranged in the rectangular assembly frame.

[0006] Preferably, the assembly frame is composed of a lower mounting seat and an upper rotating part, the lower mounting seat and the upper rotating part are rotatably connected, a stepping motor is fixedly installed on one side of the lower mounting seat, and the stepping motor is in transmission connection with the upper rotating part.

[0007] Preferably, the arc-shaped buckle and the arc-shaped adhesive plate are coaxially arranged.

[0008] Preferably, the two arc-shaped elastic sheets are arranged symmetrically.

[0009] Preferably, the fixing mechanism comprises a second electric push rod arranged at the bottom of the inner wall of the rectangular assembly frame, a liftable positioning plate fixedly installed on the piston rod of the second electric push rod, a lower fixed ring fixedly installed in the rectangular assembly frame, a plurality of elastic fixing ropes fixedly installed at the top of the lower fixed ring, an upper movable ring fixedly installed at the top of the plurality of elastic fixing ropes, a friction ring fixedly installed outside the upper movable ring, and the upper movable ring and the friction ring are rotationally connected with the rectangular assembly frame, a servo motor fixedly installed in the rectangular assembly frame, a transmission wheel fixedly installed on the output shaft of the servo motor, a transmission belt located in the rectangular assembly frame in transmission connection with the transmission wheel, and the transmission belt in transmission connection with the friction ring and the upper movable ring.

[0010] Preferably, a groove corresponding to the shape of the elastic fixing rope is formed in the liftable positioning plate, and the liftable positioning plate is in clearance fit with the elastic fixing rope.

[0011] Preferably, the liftable positioning plate is located between the friction ring and the lower fixed ring, and the stroke of the liftable positioning plate is controlled by the second electric push rod.

[0012] Preferably, a plurality of guide auxiliary wheels are arranged at the top of the rectangular assembly frame and supported at corresponding positions in the inner wall of the transmission belt.

[0013] Preferably, a U-shaped frame is fixedly installed on the rectangular assembly frame, a rectangular moving plate is movably installed in the U-shaped frame, an arc-shaped moving plate is fixedly installed on the side of the rectangular moving plate away from the U-shaped frame, a compression belt wheel is rotationally connected to each end of the arc-shaped moving plate and supported at a corresponding position in the outer wall of the transmission belt, a lead screw is threadedly connected to the U-shaped frame and rotationally connected with the rectangular moving plate.

[0014] A method for using a balance angle testing device of an orthopedic implantable joint instrument, S1: lifting the liftable positioning plate by the piston rod of the second electric push rod to change the position of the bottom of the elastic fixing rope fixed by the liftable positioning plate;

[0015] S2: rotating the transmission wheel by the output shaft of the servo motor, rotating the friction ring and the upper movable ring when the transmission wheel rotates, moving the upper end of the elastic fixing rope when the upper movable ring and the friction ring rotate, thereby rotating the plurality of elastic fixing ropes, and fixing the lower end of the orthopedic implantable joint instrument by the plurality of elastic fixing ropes.

[0016] S3: The fixed seat, the arc-shaped adhesive plate and the arc-shaped buckle are combined in the structure of the orthopedic implantable joint device, the first electric push rod piston rod drives the fixed seat, the arc-shaped adhesive plate and the arc-shaped buckle to move, and the upper end of the orthopedic implantable joint device rotates relative to the lower end.

[0017] S4: The piston rod of the stepping motor drives the upper rotating part to rotate, and the upper rotating part drives the upper end of the orthopedic implantable joint device to rotate when rotating, so that the upper end of the orthopedic implantable joint device rotates in another direction.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] 1. The position of the adjustable lifting positioning plate on the elastic fixing rope is adjusted to ensure the fixing effect of the elastic fixing rope, and the upper movable ring and the friction ring rotate to drive a plurality of elastic fixing ropes to be wound around the lower end of the orthopedic implantable joint device, the first electric push rod piston rod drives the upper end of the orthopedic implantable joint device to rotate relative to the lower end, and the piston rod of the stepping motor drives the upper rotating part to rotate, and the upper rotating part drives the upper end of the orthopedic implantable joint device to rotate when rotating, so that the normal joint can move in multiple angles when moving, including flexion, rotation, inversion and other movement modes, the lower end soft fixing can simulate the fixed state of the relatively stable end (such as the joint socket part) of the joint in the body, and the upper end multi-angle adjustment can well simulate the movement of the moving end of the joint, so that the detection environment is closer to the real human physiological state.

[0020] 2. The rectangular moving plate is driven to move in the U-shaped frame by rotating the lead screw, the arc-shaped moving plate drives the belt pulley to move when moving, the belt pulley exerts pressure on the outer wall of the transmission belt when moving, the corresponding position of the transmission belt is in contact with the outer wall of the upper movable ring and the friction ring, power is provided for the rotation of the upper movable ring and the friction ring, the transmission belt and the friction ring are in close contact by the pressure of the pressure roller, and sliding in the power transmission process is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a left side view structural schematic diagram of the present application.

[0022] Figure 2 It is a front view structural schematic diagram of the present application.

[0023] Figure 3 It is a right side view structural schematic diagram of the present application.

[0024] Figure 4 It is a structural schematic diagram of the corresponding position of the movable mounting seat of the present application.

[0025] Figure 5 It is a structural schematic diagram of the corresponding position of the stepping motor of the present application.

[0026] Figure 6 Structure diagram of corresponding position of arc-shaped elastic sheet of the present application.

[0027] Figure 7 Structure diagram of corresponding position of fixed shaft seat of the present application.

[0028] Figure 8 Structure diagram of corresponding position of transmission wheel of the present application.

[0029] Figure 9 Structure diagram of corresponding position of elastic fixing rope of the present application.

[0030] Figure 10 Structure diagram of corresponding position of upper movable ring of the present application.

[0031] Figure 11 Structure diagram of corresponding position of liftable positioning plate of the present application.

[0032] Figure 12 Structure diagram of corresponding position of lower fixed ring of the present application.

[0033] Figure 13 Structure diagram of corresponding position of lead screw of the present application.

[0034] Figure 14 Structure diagram of corresponding position of guide auxiliary wheel of the present application.

[0035] In the figure: 1, assembly frame; 101, lower mounting seat; 102, upper rotating part; 2, rectangular assembly frame; 3, orthopedic implantable joint instrument; 4, first electric push rod; 5, movable mounting seat; 6, rectangular assembly seat; 7, fixed shaft seat; 8, movable shaft seat; 9, connecting plate; 10, fixed clamping seat; 11, arc-shaped adhesive sheet; 12, arc-shaped buckle; 13, arc-shaped elastic sheet; 14, stepping motor; 15, second electric push rod; 16, liftable positioning plate; 17, lower fixed ring; 18, elastic fixing rope; 19, upper movable ring; 20, friction ring; 21, servo motor; 22, transmission wheel; 23, transmission belt; 24, guide auxiliary wheel; 25, U-shaped frame; 26, rectangular moving plate; 27, arc-shaped moving plate; 28, belt pressing wheel; 29, lead screw. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] Referring to Figures 1 to 14 The application provides a technical solution:

[0038] A balanced angle testing device for orthopedic implantable joint apparatus, comprising an assembly frame 1, a rectangular assembly frame 2 is fixedly installed on the assembly frame 1, the assembly frame 1 is L-shaped structure, used for installing the related structure of pushing, a slot for installing the orthopedic implantable joint apparatus 3 is formed in the rectangular assembly frame 2, and the orthopedic implantable joint apparatus 3 is installed in the rectangular assembly frame 2 for fixation, the orthopedic implantable joint apparatus 3 is movably installed in the rectangular assembly frame 2, the orthopedic implantable joint apparatus 3 is an element that needs to be tested, one end of the orthopedic implantable joint apparatus 3 is fixed in the rectangular assembly frame 2, and the other end is swung to realize balanced angle testing, a first electric push rod 4 is fixedly installed on one side of the assembly frame 1, a movable mounting seat 5 is fixedly installed on the piston rod of the first electric push rod 4, the piston rod of the first electric push rod 4 pushes the movable mounting seat 5 to move, pushes the upper half of the orthopedic implantable joint apparatus 3 to rotate, provides power for the test of the orthopedic implantable joint apparatus 3, a rectangular mounting seat 6 is fixedly installed on the side, away from the piston rod of the first electric push rod 4, of the movable mounting seat 5, the rectangular mounting seat 6 is used for installing additional components, separates the movable mounting seat 5 and the fixed shaft seat 7, the rectangular mounting seat 6 is fixedly installed on the side, away from the movable mounting seat 5, of the fixed shaft seat 7, a movable shaft seat 8 is rotatably connected to the fixed shaft seat 7, the fixed shaft seat 7 is provided with a shaft body corresponding to the movable shaft seat 8, to realize the rotatable connection of the movable shaft seat 8 and the fixed shaft seat 7, a connecting plate 9 is fixedly installed on the side, away from the fixed shaft seat 7, of the movable shaft seat 8, the movable shaft seat 8 and the connecting plate 9 are bolted to a fixed clamping seat 10, the connecting plate 9 is fixedly installed on the side, away from the movable shaft seat 8, of the fixed clamping seat 10, the fixed clamping seat 10 contacts one end of the orthopedic implantable joint apparatus 3 and passes through the slot in the fixed clamping seat 10 to realize the auxiliary contact of the fixed clamping seat 10 and the one end of the orthopedic implantable joint apparatus 3, an arc-shaped adhesive plate 11 is fixedly installed on the fixed clamping seat 10, an arc-shaped buckle 12 is fixedly installed on the arc-shaped adhesive plate 11, the arc-shaped adhesive plate 11 is fixedly installed on the fixed clamping seat 10, and the arc-shaped buckle 12 is fixed on the fixed clamping seat 10 through the contact of the fixed clamping seat 10 and the arc-shaped buckle 12, a group of arc-shaped elastic sheets 13 are fixedly installed on the fixed shaft seat 7, one end of the arc-shaped elastic sheets 13 is supported at the corresponding position of the outer wall of the connecting plate 9, the arc-shaped elastic sheets 13 on one side of the movable shaft seat 8 will be deformed when the movable shaft seat 8 rotates around the fixed shaft seat 7, the arc-shaped elastic sheets 13 are supported at the corresponding position of the outer wall of the connecting plate 9 to assist the rebound of the movable shaft seat 8, and a fixing mechanism corresponding to the orthopedic implantable joint apparatus 3 is arranged in the rectangular assembly frame 2.

[0039] The assembling frame 1 is composed of a lower mounting base 101 and an upper rotating part 102, the lower mounting base 101 and the upper rotating part 102 are rotationally connected, one side of the lower mounting base 101 is fixedly installed with a stepping motor 14, the stepping motor 14 is in transmission connection with the upper rotating part 102, the lower mounting base 101 is rotationally connected with the upper rotating part 102, the upper rotating part 102 is driven to rotate by an output shaft of the stepping motor 14, when the upper rotating part 102 rotates, a fixed clamping seat 10 on a piston rod of a first electric push rod 4, an arc-shaped adhesive plate 11 and an arc-shaped buckle 12 are driven to rotate, thereby assisting the upper half part of the orthopedic implantable joint instrument 3 to rotate in another direction, the arc-shaped buckle 12 is clamped on the upper half part of the orthopedic implantable joint instrument 3, so as to ensure the rotation of the upper half part of the orthopedic implantable joint instrument 3.

[0040] The arc-shaped buckle 12 and the arc-shaped adhesive plate 11 are coaxially arranged, the arc-shaped buckle 12 is made of a material with deformation, so as to ensure the clamping effect of the arc-shaped buckle 12 and the upper half part of the orthopedic implantable joint instrument 3, the arc-shaped adhesive plate 11 is used for mounting and fixing the arc-shaped buckle 12, meanwhile, the coaxial arrangement of the arc-shaped adhesive plate 11 and the arc-shaped buckle 12 can ensure the mounting stability of the arc-shaped buckle 12, the cross section of the structure composed of the arc-shaped adhesive plate 11 and the arc-shaped buckle 12 is an arc, the upper end of the orthopedic implantable joint instrument 3 is fixedly clamped on the arc-shaped adhesive plate 11 and the arc-shaped buckle 12, so as to realize the connection effect of the upper end of the orthopedic implantable joint instrument 3 and the arc-shaped adhesive plate 11 and the arc-shaped buckle 12.

[0041] The two arc-shaped elastic sheets 13 are symmetrically arranged upward and downward, when rotating in the corresponding direction, the arc-shaped elastic sheet 13 in the corresponding direction is deformed, so as to assist the rotation and rebound of the connecting plate 9 and the fixed clamping seat 10.

[0042] The fixing mechanism comprises a second electric push rod 15 arranged at the bottom of the inner wall of the rectangular assembly frame 2, a liftable positioning plate 16 fixedly arranged on the piston rod of the second electric push rod 15, the piston rod of the second electric push rod 15 drives the liftable positioning plate 16 to lift, the position of the liftable positioning plate 16 is changed when the liftable positioning plate 16 lifts, so as to ensure the fixing effect of the bottom of the elastic fixing rope 18, a lower fixing ring 17 is fixedly arranged in the rectangular assembly frame 2, a plurality of elastic fixing ropes 18 are fixedly arranged at the top of the lower fixing ring 17, a plurality of elastic fixing ropes 18 are fixedly arranged at the top of the upper movable ring 19, a friction ring 20 is fixedly arranged outside the upper movable ring 19, a plurality of elastic fixing ropes 18 are arranged between the lower fixing ring 17 and the upper movable ring 19 for fixing, the position of the liftable positioning plate 16 on the elastic fixing rope 18 can be adjusted, so as to realize the length of the elastic fixing rope 18 being rotated, the upper movable ring 19 and the friction ring 20 are rotationally connected with the rectangular assembly frame 2, the plurality of elastic fixing ropes 18 are twisted in a spiral shape, the plurality of elastic fixing ropes 18 are wound at the position of the bottom of the orthopedic implantable joint instrument 3, so as to realize the fixing of the orthopedic implantable joint instrument 3 on the rectangular assembly frame 2, and part of the friction ring 20 is clamped on the rectangular assembly frame 2, so as to realize the rotational connection between the friction ring 20 and the rectangular assembly frame 2, a servo motor 21 is fixedly arranged in the rectangular assembly frame 2, a transmission wheel 22 is fixedly arranged on the output shaft of the servo motor 21, a transmission belt 23 located in the rectangular assembly frame 2 is drivingly connected with the transmission wheel 22, the transmission belt 23 is drivingly connected with the structure of the friction ring 20 and the upper movable ring 19, the output shaft of the servo motor 21 drives the transmission wheel 22 to rotate, the transmission wheel 22 is drivingly connected with the transmission belt 23, and a guide auxiliary wheel 24 is arranged on the inner wall of the transmission belt 23 for supporting, the transmission belt 23 is moved by the output shaft of the transmission wheel 22, an arc-shaped moving plate 27 and a belt pressing wheel 28 support the transmission belt 23, the contact area of the transmission belt 23 with the structure of the upper movable ring 19 and the friction ring 20 is increased, so as to improve the rotating effect of the upper movable ring 19 and the friction ring 20.

[0043] A groove corresponding to the shape of the elastic fixing rope 18 is formed in the liftable positioning plate 16, and the liftable positioning plate 16 is gap-fitted with the elastic fixing rope 18. The liftable positioning plate 16 fixes the elastic fixing rope 18, and gap-fitting between the liftable positioning plate 16 and the elastic fixing rope 18 ensures normal lifting of the liftable positioning plate 16 for adjustment.

[0044] The liftable positioning plate 16 is located between the friction ring 20 and the lower fixing ring 17, and the stroke of the liftable positioning plate 16 is controlled by the second electric push rod 15. The piston rod of the second electric push rod 15 pushes the liftable positioning plate 16 to lift. The lifting stroke of the liftable positioning plate 16 is the same as the lifting stroke of the piston rod of the second electric push rod 15.

[0045] The top of the rectangular assembly frame 2 is provided with a plurality of guide auxiliary wheels 24 supported at the corresponding positions of the inner wall of the transmission belt 23, which supports the inner wall of the transmission belt 23 to ensure the movement effect of the transmission belt 23.

[0046] The U-shaped frame 25 is fixedly installed on the rectangular assembly frame 2, and the rectangular moving plate 26 is movably installed in the U-shaped frame 25. The arc-shaped moving plate 27 is fixedly installed on the side away from the U-shaped frame 25, and the both ends of the arc-shaped moving plate 27 are rotatably connected with the belt pressing wheels 28 supported at the corresponding positions of the outer wall of the transmission belt 23. The screw rod 29 is threadedly connected with the U-shaped frame 25 and rotatably connected with the rectangular moving plate 26. The rectangular moving plate 26 is moved in the U-shaped frame 25 by rotating the screw rod 29, and the arc-shaped moving plate 27 is moved when the rectangular moving plate 26 is moved. The two belt pressing wheels 28 are moved when the arc-shaped moving plate 27 is moved, and the belt pressing wheels 28 press the outer wall of the transmission belt 23 to ensure the contact area of the transmission belt 23 with the upper movable ring 19 and the friction ring 20.

[0047] A method for using a balance angle testing device of an orthopedic implantable joint instrument, S1: the liftable positioning plate 16 is lifted by the piston rod of the second electric push rod 15 to change the position of the bottom of the elastic fixing rope 18 fixed by the liftable positioning plate 16;

[0048] S2: the transmission wheel 22 is rotated by the output shaft of the servo motor 21, and the friction ring 20 and the upper movable ring 19 are rotated when the transmission wheel 22 is rotated, and the upper end of the elastic fixing rope 18 is moved when the upper movable ring 19 and the friction ring 20 are rotated, so as to drive the rotation of the plurality of elastic fixing ropes 18, and the plurality of elastic fixing ropes 18 fix the lower end of the orthopedic implantable joint instrument 3.

[0049] S3: the structure composed of the fixed clamping seat 10, the arc-shaped sticky plate 11 and the arc-shaped buckle 12 is clamped on the upper end of the orthopedic implantable joint instrument 3, and the fixed clamping seat 10, the arc-shaped sticky plate 11 and the arc-shaped buckle 12 are moved by the piston rod of the first electric push rod 4, and the upper end of the orthopedic implantable joint instrument 3 is rotated relative to the lower end.

[0050] S4: the piston rod of the stepping motor 14 drives the upper rotating part 102 to rotate, and the upper end of the orthopedic implantable joint instrument 3 is rotated when the upper rotating part 102 is rotated, so as to realize the rotation of the upper end of the orthopedic implantable joint instrument 3 in another direction.

[0051] Working principle:

[0052] The first step: according to the size of the upper end and the lower end of the orthopedic implant joint instrument 3, adjust the position of the liftable positioning plate 16 on the elastic fixing rope 18 to ensure the effect of the elastic fixing rope 18 being fixed, push the liftable positioning plate 16 up and down through the piston rod of the second electric push rod 15, so as to change the position of the bottom of the elastic fixing rope 18 being fixed by the liftable positioning plate 16, the lower end of the orthopedic implant joint instrument 3 is placed in the groove opened in the rectangular assembly frame 2, and the lower end of the orthopedic implant joint instrument 3 is located in the structure composed of the upper movable ring 19 and the friction ring 20, the output shaft of the servo motor 21 drives the transmission wheel 22 to rotate, the transmission wheel 22 drives the transmission belt 23 to move under the guidance of the guide auxiliary wheel 24 when rotating, and the transmission belt 23 moves and contacts the friction ring 20, the transmission belt 23 moves and drives the friction ring 20 and the upper movable ring 19 to rotate, the upper movable ring 19 and the friction ring 20 rotate and drive the upper end of the elastic fixing rope 18 to move, so as to drive multiple elastic fixing ropes 18 to rotate, the multiple elastic fixing ropes 18 are wound around the lower end of the orthopedic implant joint instrument 3, so as to realize the fixation of the multiple elastic fixing ropes 18 to the lower end of the orthopedic implant joint instrument 3, the movable mounting seat 5 and the structure on the movable mounting seat 5 are moved through the piston rod of the first electric push rod 4, so as to drive the fixed clamping seat 10, the arc-shaped sticky plate 11 and the arc-shaped buckle 12 to move, the fixed clamping seat 10, the arc-shaped sticky plate 11 and the arc-shaped buckle 12 are clamped in the upper end of the orthopedic implant joint instrument 3, and the upper end and the lower end of the orthopedic implant joint instrument 3 are fixed, the piston rod of the first electric push rod 4 drives the fixed clamping seat 10, the arc-shaped sticky plate 11 and the arc-shaped buckle 12 to move, the upper end of the orthopedic implant joint instrument 3 rotates relative to the lower end, the upper end of the orthopedic implant joint instrument 3 rotates, the movable shaft seat 8 rotates around the fixed shaft seat 7, and the arc-shaped elastic sheet 13 deforms, the elastic force generated by the deformation of the arc-shaped elastic sheet 13 assists the reset of the upper end of the orthopedic implant joint instrument 3, the piston rod of the stepping motor 14 drives the upper rotating part 102 to rotate, the upper rotating part 102 rotates and drives the upper end of the orthopedic implant joint instrument 3 to rotate, realizes the rotation of the upper end of the orthopedic implant joint instrument 3 in another direction, and realizes the test of the balance angle of the orthopedic implant joint instrument 3.

[0053] The second step: drive the rectangular moving plate 26 to move in the U-shaped frame 25 through the rotating screw 29, drive the corresponding arc-shaped moving plate 27 to move when the rectangular moving plate 26 moves in the U-shaped frame 25, drive the belt pressing wheel 28 to move when the arc-shaped moving plate 27 moves, press the outer wall of the transmission belt 23 when the belt pressing wheel 28 moves, the corresponding position of the transmission belt 23 contacts the outer wall of the upper movable ring 19 and the friction ring 20 after the outer wall of the transmission belt 23 is pressed, provides power for the rotation of the upper movable ring 19 and the friction ring 20, and ensures the friction force suffered by the upper movable ring 19 and the friction ring 20.

[0054] It should be pointed out finally that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit the same; and although the present application has been described in detail with reference to the foregoing embodiments, it should be appreciated by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A balanced angle testing device for orthopedic implantable joint devices, comprising an assembly frame (1), characterized in that: The assembling frame (1) is fixedly installed with a rectangular assembling frame (2), the orthopedic implantable joint instrument (3) is movably installed in the rectangular assembling frame (2), a first electric push rod (4) is fixedly installed on one side of the assembling frame (1), a movable mounting seat (5) is fixedly installed on the piston rod of the first electric push rod (4), a rectangular mounting seat (6) is fixedly installed on the side, away from the piston rod of the first electric push rod (4), of the movable mounting seat (5), a fixed shaft seat (7) is fixedly installed on the side, away from the movable mounting seat (5), of the rectangular mounting seat (6), a movable shaft seat (8) is rotatably connected to the fixed shaft seat (7), a connecting plate (9) is fixedly installed on the side, away from the fixed shaft seat (7), of the movable shaft seat (8), a fixed clamping seat (10) is fixedly installed on the side, away from the movable shaft seat (8), of the connecting plate (9), the fixed clamping seat (10) is in contact with one end of the orthopedic implantable joint instrument (3), an arc-shaped adhesive plate (11) is fixedly installed on the fixed clamping seat (10), an arc-shaped buckle (12) is fixedly installed on the arc-shaped adhesive plate (11), a group of arc-shaped elastic sheets (13) are fixedly installed on the fixed shaft seat (7), and the ends, away from the fixed shaft seat (7), of the arc-shaped elastic sheets (13) are supported at the corresponding positions on the outer wall of the connecting plate (9). The rectangular assembling frame (2) is provided with a fixing mechanism corresponding to the orthopedic implantable joint instrument (3); The fixing mechanism comprises a second electric push rod (15), the second electric push rod (15) is arranged on the inner wall bottom of the rectangular assembling frame (2), a liftable positioning plate (16) is fixedly installed on the piston rod of the second electric push rod (15), a lower fixed ring (17) is fixedly installed in the rectangular assembling frame (2), a plurality of elastic fixing ropes (18) are fixedly installed on the top of the lower fixed ring (17), an upper movable ring (19) is fixedly installed on the top of the plurality of elastic fixing ropes (18), a friction ring (20) is fixedly installed on the outer side of the upper movable ring (19), and the upper movable ring (19) and the friction ring (20) are rotatably connected to the rectangular assembling frame (2), a servo motor (21) is fixedly installed in the rectangular assembling frame (2), a transmission wheel (22) is fixedly installed on the output shaft of the servo motor (21), a transmission belt (23) located in the rectangular assembling frame (2) is in transmission connection with the transmission wheel (22), and the transmission belt (23) is in transmission connection with the friction ring (20) and the upper movable ring (19); The assembling frame (1) is composed of a lower mounting seat (101) and an upper rotating part (102), the lower mounting seat (101) and the upper rotating part (102) are rotatably connected, and a stepping motor (14) is fixedly installed on one side of the lower mounting seat (101); The liftable positioning plate (16) is provided with a groove corresponding to the shape of the elastic fixing rope (18), and the liftable positioning plate (16) is in clearance fit with the elastic fixing rope (18). The liftable positioning plate (16) is located between the friction ring (20) and the lower fixed ring (17), and the stroke of the liftable positioning plate (16) is controlled by the second electric push rod (15); The position of the liftable positioning plate on the elastic fixing rope is adjusted to ensure that the elastic fixing rope is fixed, and when the upper movable ring and the friction ring rotate, the plurality of elastic fixing ropes are wound around the lower end of the orthopedic implantable joint instrument; the piston rod of the first electric push rod drives the upper end of the orthopedic implantable joint instrument to rotate relative to the lower end; and the piston rod of the stepping motor drives the upper rotating part to rotate, and the upper rotating part drives the upper end of the orthopedic implantable joint instrument to rotate when rotating.

2. The balanced angle testing device for orthopedic implantable joint devices of claim 1, wherein: The arc-shaped buckle (12) and the arc-shaped adhesive plate (11) are coaxially arranged.

3. The balanced angle testing device for orthopedic implantable joint devices of claim 2, wherein: The two arc-shaped elastic sheets (13) are symmetrically arranged.

4. The balanced angle testing device for orthopedic implantable joint devices of claim 3, wherein: A plurality of guide auxiliary wheels (24) are arranged on the top of the rectangular assembly frame (2) and supported on the inner wall of the transmission belt (23) at corresponding positions.

5. The balanced angle testing device for orthopedic implantable joint devices of claim 4, wherein: A U-shaped frame (25) is fixedly installed on the rectangular assembly frame (2), a rectangular moving plate (26) is movably installed in the U-shaped frame (25), an arc-shaped moving plate (27) is fixedly installed on the side of the rectangular moving plate (26) away from the U-shaped frame (25), and a compression belt wheel (28) is rotatably connected to both ends of the arc-shaped moving plate (27) and supported on the outer wall of the transmission belt (23) at corresponding positions.

6. A method of using a balancing angle testing device for an orthopedic implantable joint device, the balancing angle testing device for an orthopedic implantable joint device according to any one of claims 1-5, wherein, The method comprises the following steps: S1: The liftable positioning plate (16) is lifted by the piston rod of the second electric push rod (15), and the position of the elastic fixing rope (18) fixed by the liftable positioning plate (16) is changed; S2: The transmission wheel (22) is driven to rotate by the output shaft of the servo motor (21), the friction ring (20) and the upper movable ring (19) are driven to rotate when the transmission wheel (22) rotates, the upper movable ring (19) and the friction ring (20) drive the upper end of the elastic fixing rope (18) to move when rotating, thereby driving the plurality of elastic fixing ropes (18) to rotate, and the plurality of elastic fixing ropes (18) fix the lower end of the orthopedic implantable joint instrument (3); S3: The fixed clamping seat (10), the arc-shaped adhesive plate (11) and the arc-shaped buckle (12) are clamped on the upper end of the orthopedic implantable joint instrument (3), the piston rod of the first electric push rod (4) drives the fixed clamping seat (10), the arc-shaped adhesive plate (11) and the arc-shaped buckle (12) to move, and the upper end of the orthopedic implantable joint instrument (3) rotates relative to the lower end; S4: The piston rod of the stepping motor (14) drives the upper rotating part (102) to rotate, and the upper end of the orthopedic implantable joint instrument (3) rotates when the upper rotating part (102) rotates, thereby realizing rotation of the upper end of the orthopedic implantable joint instrument (3) in another direction.

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