progressive leg deformity correction device
the application has the following application numbers: 2018100803997, the name of invention creation: a progressive leg deformation correction device and a using method and application date thereof are as follows: divisional application of patent application on 2018, 01, month 27.
Technical Field
The invention relates to the technical field of medical instruments, in particular to a progressive leg deformity correction device.
background
At present, the patients with genu varum and genu valgum of children and teenagers are still not few, in addition, the patients with leg deformity caused by shin bone bending and fracture or acquired reasons are also many, the damage and harm brought to the body and the psychology of the patients by the leg deformation or deformity are not negligible, the traditional correction method is to directly fix the leg tightness of the patients to achieve the correction effect, the mode is more radical, the secondary damage is easily caused to the legs of the patients, the good correction effect is not achieved, and the psychological damage is easily caused.
Disclosure of Invention
The object of the present invention is to provide a progressive leg deformity correction device that overcomes the above-mentioned technical drawbacks.
The technical scheme adopted by the invention for solving the technical problems is as follows: a progressive leg deformity correction device comprises a rigid support frame and a detachable positioning stabilizing ring, wherein the rigid support frame is provided with two parts with the same structure and symmetrically arranged on the inner side of the detachable positioning stabilizing ring, a fixed retaining plate, a fine adjustment correcting plate, an auxiliary fixing plate and an adjusting box body are arranged on the rigid support frame, the adjusting box body is connected with the fixed retaining plate, the two ends and the middle position of the inner side of the fixed retaining plate are respectively provided with a short slideway and a through hole type slideway groove, the auxiliary fixing plate is respectively provided with a short slideway, the auxiliary fixing plate is connected and arranged at the two ends of the inner side of the fixed retaining plate in a matching way through the short slideway and the short slideway, the fine adjustment correcting plate is provided with an adjusting rod, and the adjusting;
The top of the adjusting box body is provided with a first adjusting through hole, a second adjusting through hole, a rotating handle and a fine adjustment handle, the interior of the adjusting box body is provided with a transmission support plate and a fine adjustment system, an adjusting pulling connecting rod and a hand fine adjustment telescopic rod are respectively arranged in the first adjusting through hole and the second adjusting through hole, threads are arranged on the adjusting pulling connecting rod, a convex key is arranged on the hand fine adjustment telescopic rod, one end of the adjusting pulling connecting rod and one end of the hand fine adjustment telescopic rod respectively penetrate through the first adjusting through hole and the second adjusting through hole to be connected to the rotating handle and the fine adjustment handle, a through groove is arranged on the transmission support plate, a sliding seat is arranged in the through groove, a rotating shaft hole, a fixed integral shaft sleeve and a fixed rotatable transmission pipe sleeve are arranged on the sliding seat, an internal thread, the bottom end of the outer part is provided with a first transmission thread, the other end of the fixed rotatable transmission pipe sleeve penetrates through a rotating shaft hole and is fixedly and rotatably connected onto a sliding seat through a raised fixed step, the adjusting and pulling connecting rod is in fit connection with an internal thread through the thread so as to be rotatably connected with the fixed integrated shaft sleeve and pulls the sliding seat to move up and down along a through groove, a suspension type bracket, a first transmission gear and a second transmission gear are arranged in the micro-adjusting system, a fixed bearing is arranged on the suspension type bracket and is fixed on the sliding seat, an adjusting rod on the fine adjustment correcting plate penetrates through the through hole type sliding groove and is respectively in meshed transmission with the first transmission gear and the second transmission gear through a rack structure so as to adjust the fine adjustment correcting plate, a transmission shaft and a fixed shaft are respectively, the other end of the fixed shaft is provided with a second transmission thread, the second transmission thread is matched with the first transmission thread for transmission, one end of the fixed shaft is connected with the second transmission gear, and the other end of the fixed shaft is connected to the suspension type bracket through a fixed bearing;
Can dismantle and be provided with movable snap ring one, activity snap ring two and regulating plate on the location stabilizing ring, be provided with respectively on activity snap ring one and the activity snap ring two and rotate the go-between and adjust tensile draw-in groove, the outside is provided with fine setting turn-button, rotation through-hole and connect the through-hole, tensile button respectively, the both ends of regulating plate set up respectively in the tensile draw-in groove of regulation on activity snap ring one and the activity snap ring two, are provided with fine setting slip track and built-in guide rail on the regulating plate, fine setting turn-button passes and rotates the through-hole and is connected with rotating base, is provided with connecting thread on fine setting slip track and the rotating base respectively, the one end of regulating plate rotates through the cooperation of connecting thread on fine setting slip track and the rotating base and.
The invention has the beneficial effects that:
The fine adjustment correction plate can be adjusted to the position of the fixed retaining plate by driving the adjusting and pulling connecting rod to rotate in the fixed integrated shaft sleeve through the rotating handle, the fine adjustment handle drives the hand-pulling fine adjustment telescopic rod to drive the fixed rotatable transmission pipe sleeve to drive the fine adjustment system to control the transverse correction distance of the fine adjustment correction plate, the progressive correction is guaranteed, the injury to a human body due to excessive correction is avoided, the fine adjustment rotating button arranged on the detachable positioning stabilizing ring is connected with the rotating base to move in the fine adjustment sliding rail, the tightness of the adjusting device is adjusted, the operation is convenient and safe, the structure is stable, the adjustment can be carried out through the scale setting, and the precision is guaranteed.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic cross-sectional view of the present invention.
FIG. 3 is a perspective view of the rigid support frame of the present invention.
FIG. 4 is a perspective view of the removable positioning stabilizer ring of the present invention.
FIG. 5 is a cross-sectional view of the connection of the built-in rail and the tension button of the present invention.
Fig. 6 is a sectional view of the connection between the fine adjustment slide rail and the fine adjustment knob according to the present invention.
FIG. 7 is a cross-sectional view of the connection of the adjustable pull linkage of the present invention with the fixed integral bushing.
FIG. 8 is a sectional view of the connection between the rotating shaft hole and the fixed and rotatable transmission sleeve according to the present invention.
FIG. 9 is an enlarged schematic cross-sectional view of the meshing position of the first transmission gear and the second transmission gear with the rack structure.
FIG. 10 is a schematic sectional view of the connection between the manually fine-adjustable retractable rod and the fixed rotatable transmission pipe sleeve.
FIG. 11 is a perspective view of the drive shaft of the present invention in driving engagement with a fixed rotatable drive socket.
Fig. 12 is an elevation view of a suspension bracket of the present invention.
Detailed Description
The present invention is described in detail below with reference to fig. 1-12.
As shown in fig. 1-12, the invention includes a rigid support frame 1 and a detachable positioning and stabilizing ring 2, the rigid support frame 1 is provided with two parts with the same structure and symmetrically arranged inside the detachable positioning and stabilizing ring 2, the rigid support frame 1 is provided with a fixed retaining plate 3, a fine adjustment and correction plate 4, an auxiliary fixing plate 5 and an adjusting box body 6, the adjusting box body 6 is connected with the fixed retaining plate 3, two ends and the middle position inside the fixed retaining plate 3 are respectively provided with a short slideway 7 and a through hole type slideway slot 8, the auxiliary fixing plate 5 is respectively provided with a short slideway 9, the auxiliary fixing plate 5 is connected and arranged at two ends inside the fixed retaining plate 3 through the short slideway 9 and the short slideway 7, the fine adjustment and correction plate 4 is provided with an adjusting rod 10, and the adjusting rod 10 is provided with a rack structure 11.
The top of the adjusting box body 6 is provided with a first adjusting through hole 16, a second adjusting through hole 12, a rotating handle 13 and a fine adjustment handle 21, the inside of the adjusting box body is provided with a transmission support plate 14 and a fine adjustment system 15, an adjusting pulling connecting rod 17 and a hand fine adjustment telescopic rod 18 are respectively arranged in the first adjusting through hole 16 and the second adjusting through hole 12, the adjusting pulling connecting rod 17 is provided with a thread 19, the hand fine adjustment telescopic rod 18 is provided with a convex key 20, one end of the adjusting pulling connecting rod 17 and one end of the hand fine adjustment telescopic rod 18 respectively penetrate through the first adjusting through hole 16 and the second adjusting through hole 12 to be connected onto the rotating handle 13 and the fine adjustment handle 21, the transmission support plate 14 is provided with a through groove 22, the through groove 22 is internally provided with a sliding seat 23, the sliding seat 23 is provided with a rotating shaft hole 24, a fixed integral shaft, the fixed and rotatable transmission pipe sleeve 26 is internally provided with a concave key groove 28, the middle part is provided with a convex fixed step 29, the outer bottom end is provided with a first transmission thread 30, the other end of the fixed and rotatable transmission pipe sleeve 26 passes through the rotating shaft hole 24 and is fixedly and rotatably connected on the sliding seat 23 through the convex fixed step 29, the adjusting and pulling connecting rod 17 is in matched connection with the internal thread 27 through the thread 19 so as to be rotatably connected with the fixed integrated shaft sleeve 25 and pull the sliding seat 23 to move up and down along the through groove 22, the micro-adjusting system 15 is internally provided with a suspension type bracket 31, a first transmission gear 32 and a second transmission gear 33, the suspension type bracket 31 is provided with a fixed bearing 34 and is fixed on the sliding seat 23, the adjusting rod 10 on the fine adjustment correction plate 4 passes through the through hole type chute 8 and is respectively meshed with the first transmission gear 32 and, the transmission gear I32 and the transmission gear II 33 are respectively provided with a transmission shaft 35 and a fixed shaft 36, one end of the transmission shaft 35 is connected with the transmission gear I32, the other end of the transmission shaft 35 is provided with a transmission thread II 37, the transmission thread II 37 is in matched transmission with the transmission thread I30, one end of the fixed shaft 36 is connected with the transmission gear II 33, and the other end of the fixed shaft is connected to the suspension type support 31 through a fixed bearing 34.
The detachable positioning stabilizing ring 2 is provided with a movable clamp ring I38, a movable clamp ring II 39 and an adjusting plate 40, the movable clamp ring I38 and the movable clamp ring II 39 are respectively provided with a rotating connecting ring 41 and an adjusting stretching clamping groove 42, the outer sides of the movable clamp ring I38 and the movable clamp ring II 39 are respectively provided with a fine adjustment rotating button 43, a rotating through hole 44, a connecting through hole 45 and a stretching button 46, two ends of the adjusting plate 40 are respectively arranged in the adjusting stretching clamping grooves 42 on the movable clamp ring I38 and the movable clamp ring II 39, the adjusting plate 40 is provided with a fine adjustment sliding rail 47 and a built-in guide rail 48, the fine adjustment rotating button 43 penetrates through the rotating through hole 44 to be connected with a rotating base 49, the fine adjustment sliding rail 47 and the rotating base 49 are respectively provided with a connecting thread 50, one end of the adjusting plate 40 is adjusted in length by matching rotation of the fine adjustment sliding, the spring pressing base 51 is arranged in the built-in guide rail 48, the clamping table 52 and the small pulley 53 are arranged on the spring pressing base 51, and the length of the other end of the adjusting plate 40 is adjusted through the sliding of the spring pressing base 51 in the built-in guide rail 48.
The inner sides of the fine correction plate 4 and the auxiliary fixing plate 5 are respectively provided with a flexible surface 54.
Wherein, can dismantle location stabilizing ring 2 and divide into the triplex and set up respectively in rigid support frame 1 upper portion, lower part and intermediate position, and can dismantle location stabilizing ring 2 inner structure the same.
Further, the through groove 22 of the transmission support plate 14 and the through-hole type sliding groove 8 of the fixed holding plate 3 are arranged correspondingly.
Further, when the sliding seat 23 moves up and down along the through slot 22, the fixed rotatable transmission pipe sleeve 26 moves up and down, the hand-pulling fine-adjustment telescopic rod 18 connected with the fixed rotatable transmission pipe sleeve 26 moves up and down, and the protruding key 20 only plays a role of rotation driving and does not hinder the hand-pulling fine-adjustment telescopic rod 18 from moving up and down.
Further, the first movable clamping ring 38 and the second movable clamping ring 39 are two semi-circles and are connected together through an adjusting plate 40.
Further, when the stretching button 46 is pressed, the spring pressing base 51 is pressed, the clamping table 52 is released, and the adjusting plate 40 moves along the adjusting stretching clamping groove 42 through the small pulley 53 to adjust the length.
Further, the distance that the rotation scale of the fine adjustment knob 43 and the rotation base 49 move on the fine adjustment slide rail 47 are correlated with each other.
firstly, according to the size distance of the legs of a user, the auxiliary fixing plate 5 is moved to a required position by the mutual matching sliding of the short slide rails 9 on the auxiliary fixing plate 5 and the short slide rails 7 on the fixed retaining plate 3, the rotating handle 13 is rotated to drive the adjusting and pulling connecting rod 17 to rotate in the fixed integral shaft sleeve 25 so as to pull the sliding seat 23 to move up and down in the through groove 22 to adjust the fine adjustment and correction plate 4 to the required position, the adjusting plate 40 is inserted into the adjusting and stretching clamping groove 42 and the stretching button 46 is pressed to pre-adjust the tightness degree so as to clamp the detachable positioning and stabilizing ring 2 outside the rigid supporting frame 1, the rotating base 49 is driven to move in the fine adjustment sliding rail 47 by rotating the fine adjustment knob 43 arranged on the detachable positioning and stabilizing ring 2, so as to finely adjust the tightness degree of the detachable positioning and stabilizing ring 2 until the required working state, according to the specific conditions of the legs of a user, the fine adjustment handle 21 is rotated to drive the fine adjustment telescopic rod 18 to rotate, the protruding key 20 on the fine adjustment telescopic rod 18 is matched with the concave key groove 28 inside the fixed rotatable transmission pipe sleeve 26 to drive the fixed rotatable transmission pipe sleeve 26 to rotate, and the first thread 30 at the bottom of the fixed rotatable transmission pipe sleeve 26 is matched with the second thread 37 on the transmission shaft 35 to drive the first transmission gear 32 and the second transmission gear 33 to be meshed with the rack structure 11 for transmission so as to adjust the correction progress of the fine adjustment correction plate 4.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any modification, equivalent replacement, or improvement made within the scope of the present invention shall fall within the protection scope of the present invention.