阅读说明：本技术 一种用于骨科脊柱手术的椎体复位器 (Vertebral body repositor for orthopedic spinal surgery ) 是由 姜棚菲 杨丹芬 曹博 霍玉龙 于 2021-09-02 设计创作，主要内容包括：一种用于骨科脊柱手术的椎体复位器,本发明涉及脊柱矫正器械技术领域,底座的左侧壁上固定设置有固定套,固定套内活动穿设有转动轴,底座的右侧壁上前后对称固定设置有轴座,转动轴的前后两端分别穿设在左侧相邻的底座上前后两侧的轴座内；底座的上表面左右两端对称固定设置有安装座,安装座上穿设且通过螺纹旋接有调节螺杆,调节螺杆上位于底座侧边一侧的端头上通过轴承旋设有支撑块；其设置基板结构件,便于在体外进行固定件等的设置连接,进而将复位器的大部分结构件设置在患者体外,避免恢复后的手术取出。(The invention relates to a vertebral body restorer for orthopedic spinal surgery, which relates to the technical field of spinal correction instruments.A fixed sleeve is fixedly arranged on the left side wall of a base, a rotating shaft is movably arranged in the fixed sleeve in a penetrating way, shaft seats are symmetrically and fixedly arranged on the right side wall of the base in the front and back directions, and the front end and the back end of the rotating shaft are respectively arranged in the shaft seats on the front side and the back side of the adjacent base on the left side in a penetrating way; the left end and the right end of the upper surface of the base are symmetrically and fixedly provided with mounting seats, the mounting seats are penetrated and are screwed with adjusting screws through threads, and supporting blocks are screwed on the ends of the adjusting screws positioned on one side of the side edge of the base through bearings; it sets up the base plate structure, is convenient for carry out setting up of mounting etc. in vitro and connects, and then sets up most structure of restorer outside the patient body, avoids the operation after resumeing to take out.)

1. A vertebral body repositor for orthopedic spinal surgery is characterized in that: it comprises a base (1), a fixed sleeve (2), a rotating shaft (3), a shaft seat (5), a mounting seat (6), a supporting block (8), a shaft column (14) and a fixed plate (16), wherein a plurality of bases (1) are arranged in sequence from left to right, a fixed sleeve (2) is fixedly arranged on the left side wall of the bases (1), the fixing sleeve (2) is arranged in a front-back through way, a rotating shaft (3) is movably arranged in the fixing sleeve (2) in a penetrating way, the front end and the rear end of the rotating shaft (3) are respectively extended out of the fixing sleeve (2), the fixing bolt (4) is movably arranged on the fixing sleeve (2) in a penetrating way, and after the fixing bolt (4) passes through the fixing sleeve (2), the rotary shaft is screwed and inserted on the side wall of the rotary shaft (3) through threads, shaft seats (5) are symmetrically and fixedly arranged on the right side wall of the base (1) from front to back, and the front end and the back end of the rotary shaft (3) are respectively arranged in the shaft seats (5) on the front side and the back side of the base (1) adjacent to the left side in a penetrating manner;

the left end and the right end of the upper surface of the base (1) are symmetrically and fixedly provided with mounting seats (6), the mounting seats (6) are penetrated through and are screwed with adjusting screws (7) through threads, supporting blocks (8) are screwed on the ends, positioned on one side of the side edge of the base (1), of the adjusting screws (7) through bearings, the lower surfaces of the supporting blocks (8) movably abut against the upper surface of the base (1), and the supporting blocks (8) at the adjacent ends of the adjacently arranged bases (1) movably abut against each other;

the front side wall and the rear side wall of the base (1) are symmetrically provided with sliding chutes (9), the sliding chutes (9) are internally provided with sliding blocks (10) in a sliding way, positioning screws (11) are selectively arranged in the sliding chutes (9) through bearings, the positioning screw rod (11) is screwed and penetrated on the sliding block (10) through threads, a supporting plate (12) is fixedly arranged on the outer side wall of the sliding block (10), a waist-shaped hole (13) is formed in the supporting plate (12), a shaft column (14) is movably arranged in the waist-shaped hole (13), the inner side end of the shaft column (14) is movably abutted against the side wall of the sliding block (10), a lifting screw rod (15) is screwed and penetrated on the shaft column (14) through threads, and the lifting screw (15) is clamped between the sliding block (10) and the supporting plate (12), the lower end of the lifting screw (15) is screwed with a fixing plate (16) through a bearing, and the fixing plate (16) is movably abutted to the side wall of the base (1).

2. A vertebral body repositor for use in orthopedic spinal surgery according to claim 1, wherein: the patient support is characterized in that fixing holes (17) are formed in two side edges of the front portion of the base (1), a supporting screw (18) is inserted into each fixing hole (17) and is screwed through threads, a fixing seat (19) is fixedly arranged at the outer side end of each supporting screw (18), the fixing seat (19) is movably abutted to the side wall of the base (1), a connecting rod (20) is fixedly arranged on one side wall, far away from the base (1), of the fixing seat (19), the connecting rod (20) is movably sleeved with a fin (21), one end, far away from the fixing seat (19), of the fin (21) is inclined downwards, a tension spring (22) is fixedly arranged on the upper surface of the fin (21), the other end of the tension spring (22) is fixedly arranged on the fixing seat (19), and further when the patient support is used, the base (1) drives the fin (21) to abut against the back of a patient for supporting, when the fin (21) is moved, the fin (21) is drawn out from the connecting rod (20), at this time, the tension spring (22) is tensioned.

3. A vertebral body repositor for use in orthopedic spinal surgery according to claim 1, wherein: the supporting blocks (8) are sleeved with elastic sleeves (23), the other ends of the elastic sleeves (23) are sleeved on the supporting blocks (8) at the adjacent ends of the adjacent bases (1), two port binding belts (24) are fixedly arranged on two ports of each elastic sleeve (23), the two port binding belts (24) are respectively sleeved on the adjacent supporting blocks (8), and the port binding belts (24) are tightly bound, so that the elastic sleeves (23) are tensioned.

4. A vertebral body repositor for use in orthopedic spinal surgery according to claim 1, wherein: supporting shoe (8) on seted up installation cavity (25), the embedded elastic block (26) that is fixed with of establishing of installation cavity (25), and the outer end of elastic block (26) stretches out the outside that sets up at installation cavity (25), supporting shoe (8) of adjacent setting are supported each other through elastic block (26) and are established, when setting up supporting shoe (8), at first insert installation cavity (25) with elastic block (26), and then adjacent supporting shoe (8) support tightly through elastic block (26).

5. A vertebral body repositor for use in orthopedic spinal surgery according to claim 1, wherein: the air bags (27) are fixedly arranged on the left side and the right side of the lower surface of the base (1), and the side edges of the air bags (27) are fixedly arranged on the side wall of the base (1).

6. The working principle of the vertebral body repositor for orthopedic spinal surgery according to claim 1, characterized in that: when the device is worn and installed, firstly, correction operation is carried out on the spine of a patient, then, built-in fixing pieces are installed on two sides of the spine of the patient, then, the device is worn, the base (1) is fixed on the back of the patient through a binding band, then, the fixing pieces are fixed on the fixing plate (16), then, the lifting screw (15) is rotated, the fixing pieces are tensioned, the base (1) is abutted against the back of the patient, at the moment, lateral limiting correction is carried out on the spine of the patient through connection of the fixed fixing pieces and the fixing plate (16), and the patient rotates through a rotating shaft (3) and a shaft seat (5) which are connected with each other when bending is carried out; when the spine vertebral body of a patient moves, the fixing plate (16) is driven to move through the fixing piece, the fixing plate (16) drives the lifting screw (15), the shaft column (14) slides in the waist-shaped hole (13) in the supporting plate (12), and the lifting screw (15) drives the shaft column (14) to rotate; when a plurality of bases (1) are connected and installed, firstly, fixing sleeves (2) and shaft seats (5) on adjacent bases (1) are aligned, so that the fixing sleeves (2) are arranged between the shaft seats (5) on the front side and the rear side, then, rotating shafts (3) penetrate through the shaft seats (5) on the rear side and penetrate through the fixing sleeves (2) and penetrate out of the shaft seats (5) on the front side, then, the rotating shafts (3) are rotated and moved, holes in the rotating shafts are aligned with fixing bolts (4), then, the fixing bolts (4) are screwed into the rotating shafts (3), then, the connection and installation between the rotating shafts (3) and the fixing sleeves (2) are completed, and the rotating shafts (3) and the shaft seats (5) are connected and limited to form a rotating shaft system; when wearing base (1), keep away from patient's back with the one side that sets up supporting shoe (8) on base (1), adjust the interval between supporting shoe (8), with the angle of upwards rotatory buckling between the two adjacent bases (1) of adjustment, when two bases (1) are parallel, the distance between the adjacent supporting shoe (8) on adjacent base (1) reduces, then the biggest angle of upwards rotation reduces between base (1), on the contrary, upwards rotation angle increases between base (1), through rotatory adjusting screw (7), drive supporting shoe (8) and remove the transposition position.

Technical Field

The invention relates to the technical field of spinal correction instruments, in particular to a vertebral body repositor for orthopedic spinal surgeries.

Background

The orthopedic operation of scoliosis is thrown away at the postoperative and is needed to consolidate the design to the backbone, the complete recovery of the postoperative of being convenient for, among the prior art when carrying out the postoperative setting, can consolidate through inserting the steel nail on the backbone, but this kind of reinforcement mode is owing to need insert the multiunit steel nail, make after the postoperative resumes completely, still need carry out the incision operation of large tracts of land and take out the steel nail, and bury a large amount of steel nails underground technically, very easily influence patient's activity at ordinary times, make the patient difficult when carrying out actions such as bowing, to the above-mentioned problem, need carry out the research and development of a new restorer.

Disclosure of Invention

The invention aims to overcome the defects and shortcomings of the prior art, and provides a vertebral body repositor for orthopedic spinal surgeries, which is provided with a substrate structural part, so that the arrangement and connection of fixing parts and the like can be conveniently carried out outside a body, most structural parts of the repositor are arranged outside a patient body, the operation taking-out after recovery is avoided, the vertebral body repositor is provided with a structural part which can be spliced, the assembly is conveniently carried out according to the actual use environment, meanwhile, a limiting part and a connecting part are arranged, the connection and the fixation of the device are convenient, the normal orthopedic fixation after the operation is ensured, and the normal living movement of the patient is ensured.

In order to achieve the purpose, the invention adopts the following technical scheme:

the fixing device comprises a base, a fixing sleeve, a rotating shaft, shaft seats, a mounting seat, supporting blocks, shaft columns and a fixing plate, wherein a plurality of bases are sequentially arranged from left to right, the fixing sleeve is fixedly arranged on the left side wall of the base and is arranged in a penetrating manner from front to back, the rotating shaft is movably arranged in the fixing sleeve in a penetrating manner, the front end and the back end of the rotating shaft extend out of the fixing sleeve, a fixing bolt is movably arranged on the fixing sleeve in a penetrating manner, the fixing bolt penetrates through the fixing sleeve and is screwed and inserted on the side wall of the rotating shaft through threads, the shaft seats are symmetrically and fixedly arranged on the right side wall of the base from front to back, and the front end and the back end of the rotating shaft are respectively arranged in the shaft seats on the front side and the back side of the adjacent base on the left side;

the left end and the right end of the upper surface of the base are symmetrically and fixedly provided with mounting seats, adjusting screws penetrate through the mounting seats and are screwed with the mounting seats through threads, supporting blocks are screwed on the ends of the adjusting screws, which are positioned on one side of the side edge of the base, through bearings, the lower surfaces of the supporting blocks movably abut against the upper surface of the base, and the supporting blocks at the adjacent ends of the adjacently arranged bases movably abut against each other;

the spout has been seted up to the symmetry on the wall of both sides around the base, it is provided with the slider to slide in the spout, it is equipped with positioning screw to select through the bearing in the spout, and positioning screw connects soon through the screw thread and wears to establish on the slider, the fixed backup pad that is provided with on the lateral wall of slider, waist shape hole has been seted up in the backup pad, waist shape downthehole activity is worn to be provided with the jack-post, and the medial extremity activity of jack-post is supported and is established on the lateral wall of slider, connect soon through the screw thread on the jack-post and be provided with the lifting screw, and the lifting screw clamp is established between slider and backup pad, the lower extreme of lifting screw has connect the fixed plate soon through the bearing, and the fixed plate activity is supported and is established on the lateral wall of base.

Preferably, the anterior both sides of base on all seted up the fixed orifices, insert in the fixed orifices and establish and have connect the supporting screw through the screw thread soon, the fixed fixing base that is provided with in supporting screw's the outside end, and the fixing base activity is supported and is established on the lateral wall of base, the fixed connecting rod that is provided with on the lateral wall of keeping away from the base on the fixing base, the movable sleeve is equipped with the fin on the connecting rod, and the fin keeps away from the one end downward sloping setting of fixing base, the fixed extension spring that is provided with on the upper surface of fin, the other end of extension spring is fixed to be set up on the fixing base, and then when using, the base drives the fin and supports tightly at patient's back, when removing the fin, take the fin out from the connecting rod, taut extension spring this moment.

Preferably, the supporting blocks are sleeved with elastic sleeves, the other ends of the elastic sleeves are sleeved on the supporting blocks at the adjacent ends of the adjacent bases, the two end openings of each elastic sleeve are fixedly provided with a tying belt, the two end openings of each elastic sleeve are respectively sleeved on the adjacent supporting blocks, the tying belts are tightly tied, and then the elastic sleeves are tightened.

Preferably, the supporting shoe on seted up the installation cavity, the installation cavity is inlayed and is equipped with fixed elastic block, and the outer end of elastic block stretches out the outside of setting at the installation cavity, the supporting shoe of adjacent setting supports each other through the elastic block and establishes, when setting up the supporting shoe, at first inserts the installation cavity with the elastic block, and then adjacent supporting shoe supports tightly through the elastic block.

Preferably, the left side and the right side of the lower surface of the base are both fixedly provided with air bags, and the side edges of the air bags are fixedly arranged on the side wall of the base.

The working principle of the invention is as follows: when the device is worn and installed, firstly, correction operation is carried out on the spine of a patient, then, built-in fixing pieces are installed on two sides of the spine of the patient, then, the device is worn, the base is fixed on the back of the patient through a binding band, then, the fixing pieces are fixed on a fixing plate, then, the lifting screw rod is rotated, the fixing pieces are tensioned, the base is tightly abutted against the back of the patient, at the moment, lateral limiting correction is carried out on the spine of the patient through the connection of the fixed fixing pieces and the fixing plate, and the patient rotates through a rotating shaft and a shaft seat which are connected with each other by trampling when bending down; when the spine vertebral body of the patient moves, the fixing plate is driven to move through the fixing piece, the fixing plate drives the lifting screw rod to slide in the waist-shaped hole in the supporting plate through the shaft column, and the lifting screw rod drives the shaft column to rotate; when a plurality of bases are connected and installed, firstly, the fixing sleeves and the shaft seats on the adjacent bases are aligned, so that the fixing sleeves are arranged between the shaft seats on the front side and the rear side, then the rotating shaft penetrates through the shaft seat on the rear side and penetrates through the fixing sleeves and then penetrates out of the shaft seat on the front side, then the rotating shaft is rotated and moved, holes in the rotating shaft are aligned with the fixing bolts, then the fixing bolts are screwed into the rotating shaft, the connection and installation between the rotating shaft and the fixing sleeves are finished, and the rotating shaft and the shaft seats are connected and limited to form a rotating shaft system; when wearing the base, keep away from patient's back with the one side that sets up the supporting shoe on the base, adjust the interval between the supporting shoe to the angle of upwards rotatory buckling between the two adjacent bases of adjustment, when two bases are parallel, the distance between the adjacent supporting shoe on the adjacent base reduces, then the biggest angle of upwards rotation between the base reduces, on the contrary upwards rotation angle increase between the base, through rotatory adjusting screw, drives the supporting shoe and moves the transform position.

Compared with the prior art, the invention has the beneficial effects that:

1. the base is provided with the shaft seat, and the base is provided with the rotating shaft through the fixing sleeve and the fixing bolt, so that the installation and the fixation of the rotating shaft and the connection and the fixation of the rotating shaft and the shaft seat are facilitated, the connection of a plurality of groups of bases is facilitated, and the splicing use of the plurality of groups of bases according to the actual use condition is facilitated;

2. the base is provided with the supporting block, the supporting block is connected with the mounting seat through the adjusting screw, the position of the supporting block can be controlled to be adjusted, and the adjacent supporting blocks on the adjacent bases are abutted with each other, so that the angle control of the rotation between the adjacent bases is realized;

3. set up the backup pad through the slider on the base, and then set up the jack-post to set up fixed plate through lifting screw on the jack-post, and then be connected with patient's backbone through the connecting piece, and carry on spacingly through the fixed plate.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural view of the base in the present invention.

Fig. 4 is a schematic view of the structure of the support block in the present invention.

FIG. 5 is a schematic view of the connection structure of the support screw, the fixing seat, the connecting rod and the fin.

Description of reference numerals:

the device comprises a base 1, a fixing sleeve 2, a rotating shaft 3, a fixing bolt 4, a shaft seat 5, an installation seat 6, an adjusting screw 7, a supporting block 8, a sliding groove 9, a sliding block 10, a positioning screw 11, a supporting plate 12, a waist-shaped hole 13, a shaft column 14, a lifting screw 15, a fixing plate 16, a fixing hole 17, a supporting screw 18, a fixing seat 19, a connecting rod 20, a fin 21, a tension spring 22, an elastic sleeve 23, a binding belt 24, an installation cavity 25, an elastic block 26 and an air bag 27.

The specific implementation mode is as follows:

the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment:

the novel fixing device comprises a base 1, a fixing sleeve 2, a rotating shaft 3, shaft seats, a mounting seat 6, a supporting block 8, a shaft column 14 and a fixing plate 16, wherein a plurality of bases 1 are sequentially arranged from left to right, the fixing sleeve 2 is riveted on the left side wall of each base 1, the fixing sleeve 2 is arranged in a through manner from front to back, the rotating shaft 3 is movably arranged in the fixing sleeve 2 in a penetrating manner, the front end and the back end of each rotating shaft 3 extend out of the corresponding fixing sleeve 2, a fixing bolt 4 is movably arranged on the corresponding fixing sleeve 2 in a penetrating manner, the fixing bolt 4 penetrates through the corresponding fixing sleeve 2 and is screwed and inserted on the side wall of the corresponding rotating shaft 3 through threads, the shaft seats 5 are symmetrically riveted on the right side wall of each base 1 from front to back, and the front end and the back end of each rotating shaft 3 are respectively arranged in the shaft seats 5 on the front side and the back side of the adjacent base 1 on the left side;

the left end and the right end of the upper surface of the base 1 are symmetrically riveted with mounting seats 6, the mounting seats 6 are penetrated and are screwed with adjusting screws 7 through threads, supporting blocks 8 are screwed on the ends of the adjusting screws 7 positioned on one side of the side edge of the base 1 through bearings, the lower surfaces of the supporting blocks 8 movably abut against the upper surface of the base 1, and the supporting blocks 8 at the adjacent ends of the adjacent bases 1 movably abut against each other;

the symmetry has been seted up on base 1's the front and back both sides wall spout 9, it is provided with slider 10 to slide in the spout 9, select through the bearing to be equipped with positioning screw 11 in the spout 9, and positioning screw 11 connects soon through the screw thread and wears to establish on slider 10, rivet on the lateral wall of slider 10 and be equipped with backup pad 12, waist shape hole 13 has been seted up on backup pad 12, the jack-post 14 has been worn to the activity in waist shape hole 13, and the medial extremity activity of jack-post 14 is supported and is established on the lateral wall of slider 10, it has lifting screw 15 to connect soon through the screw thread on the jack-post 14, and lifting screw 15 presss from both sides and establishes between slider 10 and backup pad 12, lifting screw 15's lower extreme has connect soon fixed plate 16 through the bearing, and fixed plate 16 activity is supported and is established on base 1's lateral wall.

The two sides of the front part of the base 1 are both provided with fixing holes 17, the fixing holes 17 are inserted and are screwed with supporting screws 18 through threads, the outer side ends of the supporting screws 18 are riveted with fixing seats 19, the fixing seats 19 are movably abutted against the side wall of the base 1, one side wall of the fixing seats 19 far away from the base 1 is riveted with connecting rods 20, the connecting rods 20 are movably sleeved with fins 21, one ends of the fins 21 far away from the fixing seats 19 are inclined downwards, tension springs 22 are riveted on the upper surfaces of the fins 21, the other ends of the tension springs 22 are riveted on the fixing seats 19, further, when in use, the base 1 drives the fins 21 to abut against the back of a patient for supporting, when the fins 21 are moved, the fins 21 are drawn out from the connecting rods 20, at the moment, the tension springs 22 are tensioned, the fins 21 abut against the back of the patient, further, the two sides of the base 1 are supported, the stability of the base 1 is convenient, and the patient can be ensured to lie flat at the same time, when the fins 21 are moved or the adjusting fins 21 are separated from the back of the patient, the fins 21 are directly pulled out from the connecting rods 20;

the supporting blocks 8 are sleeved with elastic sleeves 23, the other ends of the elastic sleeves 23 are sleeved on the supporting blocks 8 at the adjacent ends of the adjacent bases 1, two end openings of each elastic sleeve 23 are respectively riveted with a tying belt 24, the two end openings of each elastic sleeve 23 are respectively sleeved on the adjacent supporting blocks 8, the tying belts 24 are tightly tied, the elastic sleeves 23 are tensioned, the elastic sleeves 23 are arranged, the adjacent abutted supporting blocks 8 can be sleeved, and the clothes of a patient and the like are prevented from being clamped when the adjacent bases 1 rotate to cause the adjacent supporting blocks 8 to be opened and closed; the supporting block 8 is provided with a mounting cavity 25, an elastic block 26 is fixedly embedded in the mounting cavity 25, the outer end of the elastic block 26 extends out of the mounting cavity 25, the adjacent supporting blocks 8 are mutually abutted through the elastic block 26, when the supporting block 8 is arranged, the elastic block 26 is firstly inserted into the mounting cavity 25, then the adjacent supporting blocks 8 are abutted through the elastic block 26, and the elastic block 26 can be used as a buffer when the supporting blocks 8 are abutted; gasbag 27 is all riveted on both sides about the lower surface of base 1, and the side of gasbag 27 is riveted and is established on the lateral wall of base 1.

The working principle of the specific embodiment is as follows: when the device is worn and installed, firstly, correction operation is carried out on the spine of a patient, then, built-in fixing pieces are installed on two sides of the spine of the patient, then, the device is worn, the base 1 is fixed on the back of the patient through a binding band, then, the fixing pieces are fixed on the fixing plate 16, then, the lifting screw 15 is rotated, the fixing pieces are tensioned, the base 1 is tightly abutted against the back of the patient, at the moment, lateral limiting correction is carried out on the spine of the patient through the connection of the fixed fixing pieces and the fixing plate 16, and the patient rotates through the rotating shaft 3 and the shaft seat 5 which are connected between the bases 1 when bending to move; when the spine vertebral body of the patient moves, the fixing plate 16 is driven to move through the fixing part, the fixing plate 16 drives the lifting screw 15 to slide in the waist-shaped hole 13 on the supporting plate 12 through the shaft column 14, and the lifting screw 15 drives the shaft column 14 to rotate; when a plurality of bases 1 are connected and installed, firstly, the fixing sleeves 2 and the shaft seats 5 on the adjacent bases 1 are aligned, so that the fixing sleeves 2 are arranged between the shaft seats 5 on the front side and the rear side, then the rotating shaft 3 penetrates through the shaft seat 5 on the rear side and penetrates through the fixing sleeves 2 and then penetrates out of the shaft seat 5 on the front side, then the rotating shaft 3 is rotated and moved, holes in the rotating shaft 3 are aligned with the fixing bolts 4, then the fixing bolts 4 are screwed into the rotating shaft 3, the connection and installation between the rotating shaft 3 and the fixing sleeves 2 are completed, and the rotating shaft 3 and the shaft seats 5 are connected and limited to form a rotating shaft system; when wearing base 1, keep away from patient's back with the one side that sets up supporting shoe 8 on the base, adjust the interval between the supporting shoe 8 to the angle of upwards rotatory buckling between the two adjacent bases 1 of adjustment, when two bases 1 are parallel, the distance between the adjacent supporting shoe 8 on the adjacent base 1 reduces, then the biggest angle of upwards rotation between base 1 reduces, otherwise the angle of upwards rotation increases between base 1, through rotatory adjusting screw 7, drives supporting shoe 8 and removes the transform position.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the base 1 is provided with the shaft seat 5, the base 1 is provided with the rotating shaft 3 through the fixing sleeve 2 and the fixing bolt 4, so that the installation and the fixation of the rotating shaft 3 and the connection and the fixation of the rotating shaft 3 and the shaft seat 5 are facilitated, the connection of a plurality of groups of bases 1 is facilitated, and the splicing and the use of the plurality of groups of bases 1 are facilitated according to the actual use condition;

2. the base 1 is provided with the supporting block 8, the supporting block 8 is connected with the mounting seat 6 through the adjusting screw 7, the position of the supporting block 8 can be controlled to be adjusted, and the adjacent supporting blocks 8 on the adjacent bases 1 are mutually abutted, so that the control of the rotating angle between the adjacent bases 1 is realized;

3. a supporting plate 12 is arranged on the base 1 through a sliding block 10, a shaft column 14 is further arranged, a fixing and fixing plate 16 is arranged on the shaft column 14 through a lifting screw rod 15, the fixing and fixing plate is further connected with the spine of a patient through a connecting piece, and the limiting is performed through the fixing plate 16.

It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the invention.