阅读说明：本技术 一种聚拢调节式高强度临床骨科用骨骼保持器 (Gather together clinical orthopedics of regulation formula high strength and use skeleton holder ) 是由 周光新 樊根涛 于 2021-09-08 设计创作，主要内容包括：本发明涉及医用器材技术领域,具体涉及一种聚拢调节式高强度临床骨科用骨骼保持器,包括座椅、靠背和头垫,座椅与其背侧的靠背通过分力板及第一铰接块相连接,靠背与其顶部的头垫通过伸缩式固定杆相连接,座椅的正面对称设有一组腿部组件,靠背的正面设有颈部组件,靠背的背面设有肩部组件；其中,肩部组件通过支架转动连接在靠背的正面,颈部组件通过背面的插接块插接在靠背的正面；本发明座椅与靠背之间的角度可通过伺服电机调整,使得患者在骨骼保持时处于舒适状态,降低患者骨骼保持时的疲劳感,而腿部组件的角度通过双向电机调整,使骨骼保持者的腿部联动训练,促进腿部及腿部关节功能的恢复,从而提高了该骨骼保持器的实用性。(The invention relates to the technical field of medical equipment, in particular to a gathering and adjusting type high-strength bone retainer for clinical orthopedics, which comprises a seat, a backrest and a headrest, wherein the seat is connected with the backrest on the back side of the seat through a force distribution plate and a first hinging block; the shoulder component is rotatably connected to the front face of the backrest through a support, and the neck component is inserted into the front face of the backrest through an insertion block on the back face; the angle between the seat and the backrest can be adjusted through the servo motor, so that a patient is in a comfortable state when bones are kept, the fatigue feeling of the patient when the bones are kept is reduced, the angle of the leg component is adjusted through the bidirectional motor, the legs of the patient are trained in a linkage manner, the recovery of the functions of the legs and the joints of the legs is promoted, and the practicability of the bone retainer is improved.)

1. The utility model provides a gather together regulation formula high strength clinical orthopedics and use skeleton holder, includes seat (1), back (2) and headrest (6), its characterized in that: the chair (1) is connected with a backrest (2) on the back side of the chair through a force distribution plate (7) and a first hinge block (10), the backrest (2) is connected with a headrest (6) on the top of the backrest through a telescopic fixing rod, a group of leg assemblies (5) are symmetrically arranged on the front side of the chair (1), a neck assembly (4) is arranged on the front side of the backrest (2), and a shoulder assembly (3) is arranged on the back side of the backrest (2); the shoulder assembly (3) is rotatably connected to the front face of the backrest (2) through a support (301), the neck assembly (4) is inserted into the front face of the backrest (2) through an insertion block (403) on the back face, and the leg assembly (5) is rotatably connected to the front face of the seat (1) through a third hinge block (504).

2. The gathering and adjusting type high-strength clinical bone holder for orthopedics department as claimed in claim 1, wherein the opposite side of the bottom of the rear end of the seat (1) is rotatably connected with a first hinge block (10) through a rotating shaft, the end surface of the first hinge block (10) is fixedly connected with a backrest (2), the back surface of the backrest (2) is fixedly provided with a setting plate (9), and the opposite side of the setting plate (9) is rotatably connected with a shoulder component (3) through a rotating shaft.

3. The gathering and adjusting type high-strength clinical bone holder for orthopedics department according to claim 2, characterized in that a servo motor (11) is fixedly installed at the bottom of the seat (1), a group of L-shaped transmission blocks (12) are symmetrically connected to the outer side of the driving end of the servo motor (11), and one ends of the L-shaped transmission blocks (12) far away from the servo motor (11) are connected with the rotating shafts at the two ends of the first hinged block (10).

4. The bone holder for gathering adjustment type high strength clinical orthopedics according to claim 1, characterized in that the shoulder assembly (3) comprises a bracket (301) and a lower L-shaped rod (305), the opposite side of the bracket (301) is fixedly connected with a connecting rod (302), the inside of the front end of the bracket (301) is movably connected with an upper L-shaped rod (303) through a first fastening adjusting valve (304), the inside of the top end of the lower L-shaped rod (305) is movably connected with a first telescopic rod (306) through a second fastening adjusting valve (307), the top end of the first telescopic rod (306) is connected with the bottom end of the upper L-shaped rod (303), the back of the lower L-shaped rod (305) is rotatably connected with a second hinge block (308) through a rotating shaft and a first angle adjusting valve (309), the end surface of the second hinge block (308) is fixedly connected with a shoulder fixing plate (310), and the inner wall of the shoulder fixing plate (310) is fixedly connected with a shoulder sponge cushion (311).

5. A gathering and adjusting type high-strength clinical bone holder for orthopedics department as claimed in claim 4, wherein a set of magnet blocks are symmetrically connected to one side of the setting plate (9) far away from the backrest (2), and the positions of the magnet blocks correspond to the position of the bracket (301).

6. A gathering and adjusting type high strength clinical bone holder for orthopedics department according to claim 1, characterized in that the neck component (4) comprises a flat plate (401), the front of the flat plate (401) is symmetrically provided with a group of clamping air bags (402), the top of the clamping air bags (402) is provided with an inflation inlet, and the back of the flat plate (401) is symmetrically connected with a group of insertion blocks (403).

7. The bone holder for clinical orthopedics with adjustable gathering degree according to claim 6, characterized in that the front of the backrest (2) is symmetrically provided with a set of insertion grooves (8) corresponding to the insertion blocks (403), and the insertion blocks (403) are inserted into the insertion grooves (8).

8. The gathering and adjusting type high-strength clinical bone holder for orthopedics department as claimed in claim 1, wherein a set of mounting grooves are symmetrically formed at the bottom of the front end of the seat (1), a concave block (13) is rotatably connected to the mounting grooves through a rotating shaft, a leg assembly (5) is rotatably connected to the inner part of one end of the concave block (13) far away from the mounting grooves through the rotating shaft, and a first gear (14) is fixedly connected to the outer side of the rotating shaft; the bottom fixed mounting of seat (1) front end has two-way motor (15), and the equal fixedly connected with in the outside at two-way motor (15) both ends and second gear (16) that first gear (14) suited, mesh between first gear (14) and second gear (16).

9. A gathering adjustable high strength clinical orthopaedic bone holder according to claim 1, wherein the leg assembly (5) comprises a first leg plate (501), a second leg plate (502) and a foot plate (503), the opposite end surface of the first leg plate (501) is provided with a second telescopic rod (509), the first leg plate (501) is connected with the second leg plate (502) at the front end thereof through a pair of connecting plates (510), and the second leg plate (502) is connected with the foot plate (503) at the bottom thereof through a fixed shaft; the back fixed mounting of first shank board (501) has third hinge block (504), first shank board (501) all have a set of arc holder (505) through pivot symmetric connection with the top of second shank board (502), and the top of one of them arc holder (505) is connected with arc fixture block (507) through the pivot rotation, fixedly connected with plug column on the inner wall of arc fixture block (507), draw-in groove (508) that suit with plug column are seted up at the top of another arc holder (505), and plug column pegs graft in the inside of draw-in groove (508), fixedly connected with arc foam-rubber cushion (506) on the inner wall of arc holder (505).

10. A gathering adjustable high strength clinical bone holder for orthopedics department according to claim 9, characterized in that one side of the connecting plate (510) far away from the first leg plate (501) and the second leg plate (502) is fixedly connected with a clamping plate (511) through a second angle adjusting valve (512), the second angle adjusting valve (512) penetrates through the clamping plate (511) and the connecting plate (510) and is screwed into the inside of the first leg plate (501), one end of the clamping plate (511) far away from the connecting plate (510) is screwed with a third angle adjusting valve (513), and the opposite side of the third angle adjusting valve (513) is fixedly connected with a joint clamping disk (514).

Technical Field

The invention relates to the technical field of medical equipment, in particular to a gathering and adjusting type high-strength bone retainer for clinical orthopedics.

Background

Bones are hard tissues in or on the body of a human or animal. The skeleton of human and higher animals is in vivo and consists of a plurality of bones called endoskeletons; the hard shell of mollusk and the scales and nails of some vertebrates (such as fish and tortoise) are called exoskeleton. Bone in general refers to endoskeleton. Bones are the hard organs that make up the internal bones of vertebrates and function to move, support and protect the body; manufacturing red blood cells and white blood cells; storing minerals. The skeleton is composed of various shapes and has complex internal and external structures, so that the skeleton can keep hard while reducing the weight.

However, the existing spine part is generally kept by fixing the neck and the shoulder when sitting or sleeping, is single and cannot be adjusted according to the actual situation of a user; in addition, when the bones of the legs are kept, the angle cannot be adjusted according to the needs of the user, so that the leg rehabilitation cannot be maximized.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides a gathering and adjusting type high-strength bone retainer for clinical orthopedics, which solves the problem that the neck and the shoulder are fixed in a single way when a user sits or sleeps and cannot be adjusted according to the actual condition of the user; in addition, when the leg is kept by bones, the angle of the leg cannot be adjusted according to the needs of the user, so that the leg rehabilitation cannot be maximized.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a gathering and adjusting type high-strength bone holder for clinical orthopedics comprises a seat, a backrest and a headrest, wherein the seat is connected with the backrest on the back side of the seat through a force distribution plate and a first hinge block, the backrest is connected with the headrest on the top of the backrest through a telescopic fixing rod, a group of leg assemblies are symmetrically arranged on the front side of the seat, a neck assembly is arranged on the front side of the backrest, and a shoulder assembly is arranged on the back side of the backrest; the shoulder assembly is rotatably connected to the front of the backrest through the support, the neck assembly is inserted into the front of the backrest through the inserting block at the back, and the leg assembly is rotatably connected to the front of the seat through the third hinge block, so that the leg of a bone keeper can be trained in a linkage manner, the recovery of the functions of the leg and the leg joint is promoted, and the practicability of the bone keeper is improved.

Furthermore, the opposite side of the bottom of the rear end of the seat is rotatably connected with a first hinge block through a rotating shaft, the end face of the first hinge block is fixedly connected with a backrest, a placement plate is fixedly mounted on the back face of the backrest, the opposite side of the placement plate is rotatably connected with a shoulder component through the rotating shaft, and the angle between the seat and the backrest can be adjusted through a servo motor, so that a patient is in a comfortable state when bones are kept, and the fatigue feeling of the patient when the bones are kept is reduced.

Furthermore, a servo motor is fixedly installed at the bottom of the seat, a group of L-shaped transmission blocks are symmetrically connected to the outer side of the driving end of the servo motor, one end, far away from the servo motor, of each L-shaped transmission block is connected with rotating shafts at two ends of the first hinge block, and the servo motor drives the L-shaped transmission blocks to drive the backrest to rotate, so that the angle required by a user can be adjusted to be comfortable.

Furthermore, the shoulder subassembly includes support and lower L shape pole, the opposite side fixedly connected with connecting rod of support, the inside of support front end has last L shape pole through first fastening governing valve swing joint, the inside on L shape pole top has first telescopic link through second fastening governing valve swing joint down, and the top portion of first telescopic link is connected with the bottom portion of last L shape pole, the back of L shape pole rotates through pivot and first angle governing valve down and is connected with the articulated piece of second, the terminal surface fixedly connected with shoulder fixed plate of the articulated piece of second, and fixedly connected with shoulder foam-rubber cushion on the inner wall of shoulder fixed plate, shoulder subassembly is used for fixed user's shoulder, and the user can adjust the shoulder according to self shoulder actual conditions and keep the ware.

Furthermore, one side of the placing plate, which is far away from the backrest, is symmetrically connected with a group of magnet blocks, the positions of the magnet blocks correspond to the position of the support, and the magnet blocks are used for adsorbing the support and fixing the support.

Furthermore, the neck assembly comprises a flat plate, a group of clamping air bags are symmetrically arranged on the front face of the flat plate, an inflation port is formed in the top of each clamping air bag, a group of insertion blocks are symmetrically connected to the back face of the flat plate, and the neck assembly is used for fixing the neck of a user to assist the shoulder assembly in bone maintenance.

Furthermore, a group of insertion grooves matched with the insertion blocks are symmetrically formed in the front face of the backrest, the insertion blocks are inserted into the insertion grooves, and the insertion blocks are matched with the insertion grooves, so that the neck component can be conveniently mounted and dismounted.

Furthermore, a group of mounting grooves are symmetrically formed in the bottom of the front end of the seat, the mounting grooves are rotatably connected with a concave block through a rotating shaft, the inner part of one end, far away from the mounting grooves, of the concave block is rotatably connected with a leg component through the rotating shaft, and a first gear is fixedly connected to the outer side of the rotating shaft; the bottom of the front end of the seat is fixedly provided with a bidirectional motor, the outer sides of the two ends of the bidirectional motor are fixedly connected with second gears matched with the first gears, the first gears and the second gears are meshed, and when the bidirectional motor drives the second gears and drives the first gears to enable the leg components to move, the thighs of a skeleton keeper can move in a bending and stretching mode.

Furthermore, the leg assembly comprises a first leg plate, a second leg plate and a foot plate, wherein a second telescopic rod is arranged on the opposite end surface of the first leg plate, the first leg plate is connected with the second leg plate at the front end of the first leg plate through a pair of connecting plates, and the second leg plate is connected with the foot plate at the bottom of the second leg plate through a fixed shaft; the back fixed mounting of first shank board has the third hinge piece, first shank board all has a set of arc holder through pivot symmetric connection with the top of second shank board, and the top of one of them arc holder rotates through the pivot and is connected with the arc fixture block, fixedly connected with spliced pole on the inner wall of arc fixture block, the draw-in groove that suits with the spliced pole is seted up at the top of another arc holder, and the spliced pole pegs graft in the inside of draw-in groove, fixedly connected with arc foam-rubber cushion on the inner wall of arc holder, leg assembly are used for fixed skeleton keeper's shank, promote the complete recovery of leg and shank joint function, promote patient's quality of life.

Furthermore, one side of the connecting plate far away from the first leg plate and the second leg plate is fixedly connected with a clamping plate through a second angle adjusting valve, the second angle adjusting valve penetrates through the clamping plate and the connecting plate and is in threaded connection with the inside of the first leg plate, one end of the clamping plate far away from the connecting plate is in threaded connection with a third angle adjusting valve, a joint clamping disc is fixedly connected to the opposite side of the third angle adjusting valve, the joint clamping disc can be aligned to the joint of a keeper through the third angle adjusting valve, and the leg joint of a patient are limited in moving properly.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

1. the angle between the seat and the backrest can be adjusted through the servo motor, so that a patient is in a comfortable state when bones are kept, the fatigue feeling of the patient when the bones are kept is reduced, the angle of the leg component is adjusted through the bidirectional motor, the legs of the patient are trained in a linkage manner, the recovery of the functions of the legs and the joints of the legs is promoted, and the practicability of the bone retainer is improved.

2. According to the invention, the shoulder assembly is used for fixing the shoulder of a user, the user can adjust the shoulder retainer according to the actual situation of the shoulder of the user, the first fastening adjusting valve and the second fastening adjusting valve can adjust the telescopic length of the shoulder assembly, and the first angle adjusting valve can adjust the angle between the shoulder fixing plate and the shoulder sponge cushion, so that the user is in a comfortable state when bones are retained, and the fatigue feeling of the patient when the bones are retained is reduced; in addition, when the shoulder assembly is not used, the bracket can be rotated around the rotating shaft and placed on the back surface of the backrest.

3. The leg component is used for fixing the leg of a bone maintainer, the bidirectional motor can be started, the bidirectional motor drives the second gear and drives the first gear to enable the thigh of the bone maintainer to do flexion and extension movement when the leg component moves, at the moment, a user can freely move the lower leg, the leg recovery is maximized, the complete recovery of the functions of the leg and the leg joint is promoted, and the life quality of the patient is improved; the joint holding plate is used for fixing the joint of the bone holder and appropriately restricting the movement of the leg and the leg joint of the patient.

4. The neck component is used for fixing the neck of a user to assist the shoulder component in bone maintenance, and the clamping air bag can be inflated according to the condition of the neck of the user, so that the neck of the bone maintainer is fixed, and the comfort of the bone maintainer is improved; in addition, the insertion block is matched with the insertion groove, so that the neck assembly can be conveniently mounted and dismounted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a perspective view of a bone retainer of the present invention;

fig. 2 is a schematic perspective elevational view of the bone retainer of the present invention;

FIG. 3 is a schematic bottom perspective view of the bone holder of the present invention;

FIG. 4 is an enlarged view of the structure at A of FIG. 3;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

FIG. 6 is a perspective view of the shoulder assembly of the present invention;

FIG. 7 is a perspective view of the neck assembly of the present invention;

FIG. 8 is a schematic perspective elevational view of the leg assembly of the present invention;

FIG. 9 is a perspective rear view of the leg assembly of the present invention;

the reference numerals in the drawings denote: 1. a seat; 2. a backrest; 3. a shoulder assembly; 301. a support; 302. a connecting rod; 303. an upper L-shaped bar; 304. a first fastening regulating valve; 305. a lower L-shaped bar; 306. a first telescopic rod; 307. a second fastening regulating valve; 308. a second hinge block; 309. a first angle adjusting valve; 310. a shoulder fixing plate; 311. a shoulder sponge cushion; 4. a neck assembly; 401. horizontally placing the plate; 402. clamping the air bag; 403. an insertion block; 5. a leg assembly; 501. a first leg plate; 502. a second leg plate; 503. a foot plate; 504. a third hinge block; 505. an arc-shaped retainer; 506. an arc-shaped sponge cushion; 507. an arc-shaped fixture block; 508. a card slot; 509. a second telescopic rod; 510. a connecting plate; 511. a clamping plate; 512. a second angle adjusting valve; 513. a third angle adjusting valve; 514. a joint clamping plate; 6. a head pad; 7. a force-dividing plate; 8. inserting grooves; 9. placing a plate; 10. a first hinge block; 11. a servo motor; 12. an L-shaped transmission block; 13. a concave block; 14. a first gear; 15. a bi-directional motor; 16. a second gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1 to 5, the bone holder for clinical orthopedics with high strength of gathering adjustment of the present embodiment comprises a seat 1, a backrest 2 and a headrest 6, wherein the seat 1 is connected with the backrest 2 at the back side thereof through a force distribution plate 7 and a first hinge block 10, the backrest 2 is connected with the headrest 6 at the top thereof through a telescopic fixing rod, a set of leg assemblies 5 are symmetrically arranged on the front side of the seat 1, a neck assembly 4 is arranged on the front side of the backrest 2, and a shoulder assembly 3 is arranged on the back side of the backrest 2; wherein, the shoulder component 3 is rotatably connected to the front surface of the backrest 2 through the bracket 301, the neck component 4 is inserted into the front surface of the backrest 2 through the insertion block 403 at the back surface, and the leg component 5 is rotatably connected to the front surface of the seat 1 through the third hinge block 504.

The opposite side of the bottom of the rear end of the seat 1 is rotatably connected with a first hinge block 10 through a rotating shaft, the end face of the first hinge block 10 is fixedly connected with a backrest 2, the back of the backrest 2 is fixedly provided with a placing plate 9, and the opposite side of the placing plate 9 is rotatably connected with a shoulder component 3 through a rotating shaft; a servo motor 11 is fixedly installed at the bottom of the seat 1, a group of L-shaped transmission blocks 12 are symmetrically connected to the outer side of the driving end of the servo motor 11, and one ends, far away from the servo motor 11, of the L-shaped transmission blocks 12 are connected with rotating shafts at two ends of a first hinge block 10; a group of mounting grooves are symmetrically formed in the bottom of the front end of the seat 1, the mounting grooves are rotatably connected with concave blocks 13 through rotating shafts, the inner parts of the concave blocks 13, far away from one ends of the mounting grooves, are rotatably connected with leg components 5 through the rotating shafts, and first gears 14 are fixedly connected to the outer sides of the rotating shafts; the bottom of seat 1 front end fixed mounting has two-way motor 15, and the outside at two ends of two-way motor 15 all fixedly connected with first gear 14 adapted second gear 16, mesh between first gear 14 and the second gear 16 mutually.

When the bone holder is used, a patient sits on the seat 1, the legs are fixedly held in the leg components 5, the neck is placed in the neck component 4, then the shoulder components 3 are fixedly held on the shoulders of the patient, the angle of the backrest 2 can be adjusted by the patient through the servo motor 11, the angle of the leg components 5 can be adjusted through the bidirectional motor 15, the patient is in a comfortable state when bones are held, and the fatigue feeling of the patient when the bones are held is reduced.

Example 2

As shown in fig. 6, the shoulder assembly 3 includes a bracket 301 and a lower L-shaped rod 305, a connecting rod 302 is fixedly connected to opposite sides of the bracket 301, an upper L-shaped rod 303 is movably connected to the inside of the front end of the bracket 301 through a first fastening adjusting valve 304, a first telescopic rod 306 is movably connected to the inside of the top end of the lower L-shaped rod 305 through a second fastening adjusting valve 307, the top end of the first telescopic rod 306 is connected to the bottom end of the upper L-shaped rod 303, the back of the lower L-shaped rod 305 is rotatably connected to a second hinge block 308 through a rotating shaft and a first angle adjusting valve 309, a shoulder fixing plate 310 is fixedly connected to the end surface of the second hinge block 308, and a shoulder sponge pad 311 is fixedly connected to the inner wall of the shoulder fixing plate 310; one side of the placing plate 9 far away from the backrest 2 is symmetrically connected with a group of magnet blocks, and the positions of the magnet blocks correspond to the position of the bracket 301.

When a bone-maintaining rehabilitator carries out neck maintenance, the neck is firstly placed into the neck component 4, the shoulder component 3 is rotated to the front side of the backrest 2, at the moment, the magnet block on the placing plate 9 adsorbs the support 301 to the surface of the support and fixes the support, a user can adjust the shoulder maintaining component according to the actual situation of the shoulder of the user, the first fastening adjusting valve 304 and the second fastening adjusting valve 307 can adjust the telescopic length of the shoulder component 3, the first angle adjusting valve 309 can adjust the angle between the shoulder fixing plate 310 and the shoulder sponge pad 311, so that the user is in a comfortable state when the bone is maintained, the problem of rapid fatigue of the body due to the uncomfortable angle when the bone is maintained is avoided, and the comfort level of the bone holder is improved; in addition, the servo motor 11 can be started to drive the L-shaped transmission block 12, and the L-shaped transmission block 12 drives the backrest 2 to rotate, so that the angle required by a user to be kept is adjusted to be comfortable; when the shoulder unit 3 is not used, the bracket 301 can be rotated about the rotation axis and placed on the back surface of the backrest 2.

Example 3

As shown in fig. 7, the neck assembly 4 includes a flat plate 401, a set of holding air bags 402 is symmetrically arranged on the front side of the flat plate 401, an inflation inlet is arranged on the top of the holding air bags 402, and a set of insertion blocks 403 is symmetrically connected to the back side of the flat plate 401; a group of insertion grooves 8 corresponding to the insertion blocks 403 are symmetrically formed in the front surface of the backrest 2, and the insertion blocks 403 are inserted into the insertion grooves 8.

When the bone-maintaining rehabilitator fixes the neck, the clamping air bag 402 can be inflated according to the condition of the neck of the user, so that the neck of the bone-maintaining rehabilitator is fixed while the comfort of the bone-maintaining rehabilitator is improved; in addition, the mating of the mating block 403 with the mating slot 8 facilitates the installation and removal of the neck assembly 4.

Example 4

As shown in fig. 8 to 9, the leg assembly 5 includes a first leg plate 501, a second leg plate 502 and a foot plate 503, wherein the opposite end surfaces of the first leg plate 501 are provided with second telescopic rods 509, the first leg plate 501 is connected with the second leg plate 502 at the front end thereof through a pair of connecting plates 510, and the second leg plate 502 is connected with the foot plate 503 at the bottom thereof through a fixed shaft; a third hinge block 504 is fixedly mounted on the back surface of the first leg plate 501, a group of arc-shaped holders 505 are symmetrically connected to the tops of the first leg plate 501 and the second leg plate 502 through rotating shafts, the top of one arc-shaped holder 505 is rotatably connected with an arc-shaped fixture block 507 through a rotating shaft, an insertion column is fixedly connected to the inner wall of the arc-shaped fixture block 507, a clamping groove 508 matched with the insertion column is formed in the top of the other arc-shaped holder 505, the insertion column is inserted into the clamping groove 508, and an arc-shaped sponge pad 506 is fixedly connected to the inner wall of the arc-shaped holder 505; one side of the connecting plate 510, which is far away from the first leg plate 501 and the second leg plate 502, is fixedly connected with a clamping plate 511 through a second angle adjusting valve 512, the second angle adjusting valve 512 penetrates through the clamping plate 511 and the connecting plate 510 and is in threaded connection with the inside of the first leg plate 501, one end of the clamping plate 511, which is far away from the connecting plate 510, is in threaded connection with a third angle adjusting valve 513, and the opposite side of the third angle adjusting valve 513 is fixedly connected with a joint clamping disc 514.

When a bone maintaining rehabilitator maintains bones, firstly, the arc-shaped retainer 505 is opened, the thigh part is placed on the first leg plate 501, the calf part is placed on the second leg plate 502, then the arc-shaped retainer 505 is connected with the clamping groove 508 through the arc-shaped clamping block 507 and fixedly maintains the leg part of the bone maintaining rehabilitator, then the angle of the clamping plate 511 or the angle of the second leg plate 502 is adjusted through the second angle adjusting valve 512, so that the joint clamping disc 514 is aligned to the leg joint of the bone maintaining rehabilitator, then the joint clamping disc 514 is aligned to the joint of the rehabilitator through the third angle adjusting valve 513, and the leg joint of the rehabilitator are properly limited in movement, so that the included angle between the thigh part and the calf part of the rehabilitator is kept unchanged on the first leg plate 501 and the second leg plate 502; in addition, the bidirectional motor 15 can be started, so that the bidirectional motor 15 drives the second gear 16 and drives the first gear 14 to move the leg component 5, the thigh of the skeleton keeper can perform flexion and extension movement, at the moment, the user can freely move the lower leg, the leg rehabilitation is kept to be maximized, the complete recovery of the functions of the leg and the leg joint is promoted, and the life quality of the patient is improved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.