Spinal positioning guide system

Abstract

The application discloses a spine positioning guide system and relates to the technical field of medical devices, which comprises a moving frame, a power box is embedded and installed on the moving frame, and a multifunctional perfusion pump, a general-purpose power planing system, a multifunctional high-frequency system, a light source system and a spine minimally invasive navigation system are sequentially installed on the left side of the moving frame from bottom to top. When the horizontal angle of the upper guide ring, the lower guide ring and other components needs to be adjusted, a No. 1 motor, a No. 1 rack and a No. 1 gear are arranged, the No. 1 motor can be driven, the No. 1 motor can drive two rotating rods to rotate synchronously, the two rotating rods can drive corresponding No. 1 gears to rotate, the two No. 1 gears can drive corresponding No. 1 racks to slide, the No. 1 racks can drive corresponding arc-shaped frames to slide, the two arc-shaped frames can drive the upper guide ring, the lower guide ring and other components on the two side frames to deflect, the guide angle can be preliminarily adjusted, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a spine positioning and guiding system. BACKGROUND

[0002] Surgery is an important means of treating spinal diseases. How to ensure the safety of surgery while achieving more precise and minimally invasive treatment is the value of the spine surgery navigation positioning system. From the initial two-dimensional image navigation to the current three-dimensional navigation, and then to the intelligent navigation system integrating artificial intelligence, big data and other frontier technologies, the function of the spine surgery navigation positioning system is becoming increasingly powerful, and the application scenarios are becoming increasingly widespread, with rich clinical application prospects.

[0003] The spine positioning and guiding system of the prior art has a single structure, and it is difficult to adjust the guiding measures in multiple angles according to different situations when guiding the spine surgery. When performing a puncture surgery on the spine, the depth of penetration is usually determined by reading the scale on the scale cylinder, and there is no measure to set the penetration depth in advance to limit the penetration depth, and the safety performance is insufficient.

[0004] Therefore, the present application provides a spine positioning and guiding system. SUMMARY

[0005] The technical problem solved by the present application is to overcome the defects of the prior art such as single function and insufficient safety performance, and to provide a spine positioning and guiding system.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a spine positioning and guiding system, comprising a movable frame, a power box is embedded and installed on the movable frame, and a multifunctional perfusion pump, a general-purpose power planing system, a multifunctional high-frequency system, a light source system and a spine minimally invasive navigation system are installed on the movable frame from bottom to top on the left side, a display is installed on the right side near the top of the movable frame, an arc-shaped plate is fixedly connected to the right side of the movable frame, arc-shaped frames are movably installed in the inner cavities of the arc-shaped plate near the front and rear sides, a horizontal adjustment assembly is arranged at the bottom of the two arc-shaped frames, two side shells are fixedly connected in the inner cavities of the two arc-shaped frames, a horizontal frame is movably installed between the two side shells, longitudinal adjustment assemblies are arranged on the left and right sides of the horizontal frame, a guiding hole is formed in the horizontal frame, and guiding assemblies are arranged at the top and bottom of the horizontal frame.

[0007] Preferably, the transverse adjusting assembly comprises a first motor, the first motor is fixedly installed at the bottom of the arc-shaped plate, and both sides of the first motor are fixedly installed with rotating rods, both ends of the rotating rods away from the first motor are fixedly installed with first gears, both sides of the bottom of the arc-shaped plate are provided with arc-shaped grooves, both the arc-shaped grooves are slidably connected with first racks, and the bottoms of the first racks are respectively engaged with the corresponding first gears.

[0008] Preferably, the longitudinal adjusting assembly comprises two round shafts, both the round shafts are fixedly connected with the left and right sides of the cross frame, and both the round shafts are respectively penetrated through the outer walls of the corresponding side shells and extended into the inner cavities of the side shells, the round shafts are rotatably connected with the outer walls of the side shells, and the other ends of the round shafts are fixedly installed with second gears, both the second gears are engaged with second racks, both the second racks are fixedly installed with electric push rods, and the rear ends of the electric push rods are fixedly connected with the rear sides of the inner walls of the corresponding side shells.

[0009] Preferably, the guiding assembly comprises a lower guiding ring, the lower guiding ring is located at the bottom of the cross frame, both sides of the lower guiding ring are fixedly installed with fixed frames, both the fixed frames are respectively fixedly connected with the bottom of the cross frame, both sides of the top of the cross frame are provided with upper horizontal grooves, both the upper horizontal grooves are fixedly connected with horizontal rods, both the horizontal rods are externally sleeved with movable sleeve rings, both the horizontal rods are externally sleeved with springs, both ends of the springs are respectively fixedly connected with the outer walls of the movable sleeve rings and the inner walls of the upper horizontal grooves, both sides of the movable sleeve rings away from each other are provided with limiting assemblies, both the movable sleeve rings are hingedly installed with connecting strips at the top, and both the connecting strips are hingedly installed with an upper guiding ring at the top.

[0010] Preferably, both sides of the inner walls of the arc-shaped grooves away from each other are provided with limiting grooves, both the limiting grooves are slidably connected with limiting blocks, and both the limiting blocks are respectively fixedly connected with the outer walls of the corresponding first racks.

[0011] Preferably, the top of the first motor is fixedly connected with a fixed seat, and the top of the fixed seat is fixedly connected with the bottom of the arc-shaped plate.

[0012] Preferably, the limiting assembly comprises two limiting collars, the two limiting collars are respectively sleeved on the outer sides of the corresponding cross bars and are movably installed, vertical blocks are fixedly connected to the bottoms of the two limiting collars, lower transverse grooves are formed in the bottoms of the cross frames close to the left and right sides, the left and right sides of the cross frame are fixedly connected with No.2 motors, the opposite sides of the two No.2 motors are fixedly connected with screw rods, one end of the screw rod penetrates through the outer side of the cross frame and is rotationally connected with the outer side of the cross frame and the inner wall of the lower transverse groove, and the outer side of the screw rod is threadedly connected with a threaded sleeve, a through groove is formed between the lower transverse groove and the upper transverse groove, and the bottoms of the two vertical blocks penetrate through the corresponding through grooves and are fixedly connected with the top of the corresponding threaded sleeve.

[0013] Preferably, the inner diameters of the lower guide ring, the guide hole and the upper guide ring are equal.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1、In use, when the upper guide ring, the lower guide ring and other components need to be adjusted in the horizontal direction, the No.1 motor is driven to rotate the two rotating rods synchronously, the two rotating rods drive the corresponding No.1 gears to rotate, the two No.1 gears drive the corresponding No.1 racks to slide, the No.1 rack drives the corresponding arc-shaped frame to slide, and the two arc-shaped frames drive the upper guide ring, the lower guide ring and other components on the two side frames to deflect in the horizontal direction, so that the guide angle is preliminarily adjusted, and the operation is convenient.

[0016] 2、In use, when the upper guide ring, the lower guide ring and other components need to be adjusted in the vertical direction, the two electric push rods are synchronously driven to move the corresponding No.2 racks, the two No.2 racks drive the corresponding No.2 gears to rotate, the two No.2 gears drive the corresponding shafts to rotate, the two shafts drive the cross frame to rotate, and the cross frame drives the upper guide ring, the lower guide ring and other components to deflect in the vertical direction, and after adjustment, the two electric push rods are closed to realize self-locking by the cooperation of the No.2 rack and the No.2 gear.

[0017] 3、The present application in use, by being provided with No. 2 motor, limit collar and movable collar, the position of two limit collars can be adjusted before the puncture equipment passes through the upper guide ring, guide hole and lower guide ring and carries out puncture operation, realizes the adjustment of the puncture depth of puncture equipment, at this time, two No. 2 motors can be driven synchronously, so that two No. 2 motors drive corresponding screw rods to rotate respectively, the screw rod drives the threaded sleeve to move, the threaded sleeve drives the limit collar on the vertical block to move, after the limit collar moves to the appropriate position, the No. 2 motor is closed, the puncture equipment is pressed downward to the upper guide ring during operation, so that the upper guide ring moves the two connecting strips on the outside, two connecting strips respectively drive corresponding movable collar to move on the outside of cross bar, and the movable collar stretches corresponding spring, after the movable collar moves to adhere to corresponding limit collar, the movable collar is limited by limit collar. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an external structure schematic view from one angle of the present application;

[0019] Figure 2 It is another external structure schematic view from one angle of the present application;

[0020] Figure 3 It is the structure schematic view at arc plate of the present application;

[0021] Figure 4 It is the structure schematic view at arc-shaped frame of the present application;

[0022] Figure 5 It is the structure schematic view at side shell, cross frame and other components of the present application;

[0023] Figure 6 It is the structure schematic view at cross frame and other components of the present application;

[0024] Figure 7 It is the structure schematic view at cross street and other components of the present application;

[0025] Figure 8 It is the structure schematic view at spring and other components of the present application.

[0026] The figure mark: 1, mobile frame; 2, power box; 3, multifunctional perfusion pump; 4, general-purpose power planing system; 5, multifunctional high-frequency system; 6, light source system; 7, minimally invasive navigation system of spine; 8, arc plate; 9, arc frame; 10, arc slot; 11, first rack; 12, limiting groove; 13, limiting block; 14, first gear; 15, first motor; 16, rotating rod; 17, fixed seat; 18, side shell; 19, electric push rod; 20, second rack; 21, second gear; 22, round shaft; 23, cross frame; 24, fixed frame; 25, lower guide ring; 26, upper guide ring; 27, connecting strip; 28, upper cross slot; 29, through slot; 30, lower cross slot; 31, second motor; 32, screw rod; 33, threaded sleeve; 34, vertical block; 35, limiting sleeve ring; 36, movable sleeve ring; 37, spring; 38, cross rod; 39, guide hole; 40, display. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part 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 work belong to the scope of protection of the present application.

[0028] Please refer to Figures 1-8 The present application provides a technical solution: a spine positioning and guiding system, comprising a mobile frame 1, a power box 2 is embedded and installed on the mobile frame 1, and a multifunctional perfusion pump 3, a general-purpose power planing system 4, a multifunctional high-frequency system 5, a light source system 6 and a minimally invasive navigation system of spine 7 are sequentially installed from bottom to top on the left side of the mobile frame 1, a display 40 is installed on the right side of the mobile frame 1 close to the top, the overall equipment system is moved to a suitable position by using the mobile frame 1, then the multifunctional perfusion pump 3, the general-purpose power planing system 4, the multifunctional high-frequency system 5, the light source system 6, the minimally invasive navigation system of spine 7 and the display 40 are used in cooperation to accurately find the cervical spine surgery position of a patient and mark the position out, the mobile frame 1 is fixedly connected with an arc plate 8 on the right side, arc frames 9 are movably installed in the inner cavities of the arc plate 8 close to the front and back sides, transverse adjusting assemblies are commonly arranged at the bottoms of the two arc frames 9, the transverse angle of guiding is adjusted by using the transverse adjusting assemblies, two side shells 18 are commonly fixedly connected in the inner cavities of the two arc frames 9, a cross frame 23 is movably installed between the two side shells 18, longitudinal adjusting assemblies are commonly arranged on the left and right sides of the cross frame 23, the longitudinal angle of guiding is adjusted by using the longitudinal adjusting assemblies, guide holes 39 are formed in the cross frame 23, guide assemblies are commonly arranged at the top and bottom of the cross frame 23, and the guide assemblies are used to guide the spine surgery puncture.

[0029] Please refer to Figure 2、 Figure 3 And Figure 4 The lateral adjusting assembly No. 1 motor 15 is fixedly installed at the bottom of the arc-shaped plate 8, and the front and rear sides of the No. 1 motor 15 are fixedly installed with rotating rods 16, the ends of the two rotating rods 16 away from the No. 1 motor 15 are fixedly installed with No. 1 gears 14, the bottom of the arc-shaped plate 8 near the front and rear sides is provided with arc-shaped grooves 10, the inner cavities of the two arc-shaped grooves 10 are slidably connected with No. 1 racks 11, the bottoms of the two No. 1 racks 11 are respectively engaged with the corresponding No. 1 gears 14, and the tops of the two No. 1 racks 11 are respectively fixedly connected with the bottoms of the corresponding arc-shaped frames 9. The two rotating rods 16 are driven to rotate by driving the No. 1 motor 15, the corresponding No. 1 gears 14 are driven to rotate by the two rotating rods 16, the No. 1 racks 11 are driven to slide by the No. 1 gears 14, the arc-shaped frames 9 are driven to slide by the No. 1 racks 11, and then the two arc-shaped frames 9 drive the guide assembly to deflect laterally.

[0030] Please refer to Figure 4 、 Figure 5 And Figure 6 The longitudinal adjusting assembly includes two circular shafts 22, the two circular shafts 22 are respectively fixedly connected on the left and right sides of the cross frame 23, and the ends of the two circular shafts 22 away from each other respectively penetrate through the outer walls of the corresponding side shells 18 and extend into the inner cavities of the side shells 18. The circular shaft 22 is rotatably connected with the outer wall of the side shell 18, and the other end of the circular shaft 22 is fixedly installed with a No. 2 gear 21. The bottoms of the two No. 2 gears 21 are engaged with No. 2 racks 20, and the rear sides of the two No. 2 racks 20 are fixedly installed with electric push rods 19. The rear end of the electric push rod 19 is fixedly connected with the rear side of the inner wall of the corresponding side shell 18. The No. 2 rack 20 is driven to move by driving the electric push rod 19, the No. 2 gear 21 is driven to rotate by the No. 2 rack 20, the circular shaft 22 is driven to deflect by the No. 2 gear 21, and the guide assembly on the cross frame 23 is driven to deflect longitudinally by the two circular shafts 22.

[0031] Please refer to Figure 6 、 Figure 7 And Figure 8The guiding assembly comprises a lower guiding ring 25 located at the bottom of the cross frame 23, and the left and right sides of the lower guiding ring 25 are fixedly provided with fixed frames 24, the two fixed frames 24 are fixedly connected with the bottom of the cross frame 23, the top of the cross frame 23 is provided with upper transverse grooves 28 near the left and right sides, the inner cavities of the two upper transverse grooves 28 are fixedly connected with cross rods 38, the outer sides of the two cross rods 38 are movably provided with movable sleeve rings 36, and the outer sides of the two cross rods 38 are movably provided with springs 37, the two ends of the spring 37 are fixedly connected with the outer wall of the movable sleeve ring 36 and the inner wall of the upper transverse groove 28, the sides away from each other of the two movable sleeve rings 36 are provided with limiting assemblies, and the top of the two movable sleeve rings 36 is hingedly provided with connecting strips 27, the top of the two connecting strips 27 is hingedly provided with an upper guiding ring 26, the inner diameters of the lower guiding ring 25, the guiding hole 39 and the upper guiding ring 26 are equal, and through the cooperation of the lower guiding ring 25, the guiding hole 39 and the upper guiding ring 26, the positioning and guiding operation of the puncture operation is realized.

[0032] Please refer to Figure 2 , Figure 3 and Figure 4 , the inner walls of the two arc-shaped grooves 10 are provided with limiting grooves 12 away from each other, the inner cavities of the two limiting grooves 12 are slidably connected with limiting blocks 13, and the opposite sides of the two limiting blocks 13 are fixedly connected with the outer walls of the corresponding one toothed bar 11. Through the cooperation of the limiting block 13 and the limiting groove 12, the limiting block 13 can be driven to move in an arc shape inside the limiting groove 12 when the one toothed bar 11 slides, the movement track of the one toothed bar 11 is limited, and the stability is improved.

[0033] Please refer to Figure 2 and Figure 4 , the top of the one motor 15 is fixedly connected with a fixed seat 17, and the top of the fixed seat 17 is fixedly connected with the bottom of the arc-shaped plate 8. The fixed seat 17 is used for fixing the one motor 15 and the bottom of the arc-shaped plate 8, and further improves the stability during subsequent operation of the one motor 15.

[0034] Please refer to Figure 6 , Figure 7 and Figure 8The limiting assembly comprises two limiting collars 35, the two limiting collars 35 are respectively sleeved on the outer sides of the corresponding cross bars 38 and movably installed, vertical blocks 34 are fixedly connected to the bottoms of the two limiting collars 35, lower cross grooves 30 are formed at the bottoms of the cross frames 23 near the left and right sides, the left and right sides of the cross frame 23 are fixedly connected with No. 2 motors 31, the opposite sides of the two No. 2 motors 31 are fixedly connected with screw rods 32, one end of the screw rod 32 penetrates through the outer side of the cross frame 23 and is rotationally connected with the outer side of the cross frame 23 and the inner wall of the lower cross groove 30, a threaded sleeve 33 is threadedly connected to the outer side of the screw rod 32, a through groove 29 is formed between the lower cross groove 30 and the upper cross groove 28, the bottoms of the two vertical blocks 34 respectively penetrate through the corresponding through grooves 29 and are fixedly connected with the tops of the corresponding threaded sleeves 33, the two No. 2 motors 31 are driven to rotate the screw rods 32, the two screw rods 32 drive the corresponding threaded sleeves 33 to move, the threaded sleeves 33 drive the vertical blocks 34 to slide in the through grooves 29, and the vertical blocks 34 drive the top limiting collars 35 to slide on the outer sides of the cross bars 38, after the limiting collars 35 slide to the appropriate positions, the No. 2 motors 31 are turned off, the movable collars 36 can be blocked when the upper guide rings 26 are lowered subsequently, the moving distance of the upper guide rings 26 is limited, and the puncture depth of the puncture equipment is further limited.

[0035] Working principle: in use, first, the whole device system is moved to the appropriate position by the moving frame 1, then the multifunctional perfusion pump 3, the general power planing system 4, the multifunctional high-frequency system 5, the light source system 6, the spinal minimally invasive navigation system 7 and the display 40 are used to accurately find the cervical spine operation position of the patient and mark the position, then the puncture depth is limited according to the actual situation of the patient, at this time, the two No. 2 motors 31 can be driven synchronously, so that the two No. 2 motors 31 drive the corresponding screw rods 32 to rotate respectively, the screw rods 32 drive the threaded sleeves 33 to move, and the threaded sleeves 33 drive the limiting sleeve rings 35 on the vertical blocks 34 to move, after the limiting sleeve rings 35 move to the appropriate position, the No. 2 motor 31 is turned off, at this time, the transverse angle and longitudinal angle of the upper guide ring 26, the guide hole 39 and the lower guide ring 25 need to be adjusted, the No. 1 motor 15 can be driven first, so that the No. 1 motor 15 drives the front and rear two rotating rods 16 to rotate synchronously, the two rotating rods 16 drive the corresponding No. 1 gears 14 to rotate respectively, the two No. 1 gears 14 drive the corresponding No. 1 racks 11 to slide respectively, the No. 1 racks 11 drive the corresponding arc-shaped frames 9 to slide, and the two arc-shaped frames 9 jointly drive the angle deflection of the upper guide ring 26, the lower guide ring 25 and other components on the two side shells 18, so as to preliminarily adjust the guide angle of the puncture equipment, after the adjustment of the upper guide ring 26, the lower guide ring 25 and other components is completed, the No. 1 motor 15 is turned off and locked, then the longitudinal angle adjustment of the upper guide ring 26, the lower guide ring 25 and other components is carried out, the two electric push rods 19 can be driven synchronously, so that the two electric push rods 19 respectively push the corresponding No. 2 racks 20 to move, the two No. 2 racks 20 respectively push the corresponding No. 2 gears 21 to rotate, the two No. 2 gears 21 respectively drive the corresponding circular shafts 22 to rotate, and the two circular shafts 22 jointly drive the horizontal frame 23 to rotate, so that the horizontal frame 23 drives the upper guide ring 26, the lower guide ring 25 and other components to deflect longitudinally, after adjustment, the two electric push rods 19 are turned off, and the self-locking of the horizontal frame 23 and other components is realized by the cooperation of the No. 2 rack 20 and the No. 2 gear 21, when the puncture equipment passes through the upper guide ring 26, the guide hole 39 and the lower guide ring 25 for puncture operation, the puncture equipment will press downward on the upper guide ring 26, so that the upper guide ring 26 pushes the two outer connecting strips 27 to move, the two connecting strips 27 respectively push the corresponding movable sleeve rings 36 to move outside the horizontal rod 38, at the same time, the movable sleeve ring 36 stretches the corresponding spring 37, after the movable sleeve ring 36 moves to adhere to the corresponding limiting sleeve ring 35, the movable sleeve ring 36 is limited by the limiting sleeve ring 35, further realizing the limitation of the puncture equipment, realizing the limitation of the puncture depth, and improving the safety performance of the subsequent operation.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spinal positioning and guidance system, comprising a mobile frame (1), wherein a power supply box (2) is embedded in the mobile frame (1), and a multi-functional infusion pump (3), a general-purpose power planing system (4), a multi-functional high-frequency system (5), a light source system (6), and a spinal minimally invasive navigation system (7) are sequentially installed from bottom to top on the left side of the mobile frame (1), and a display (40) is installed on the right side of the mobile frame (1) near the top, characterized in that: The right side of the movable frame (1) is fixedly connected to an arc plate (8). Arc frames (9) are movably installed in the inner cavity of the arc plate (8) near the front and rear sides. The bottom of the two arc frames (9) is provided with a horizontal adjustment component. The inner cavity of the two arc frames (9) is fixedly connected to two side shells (18). A cross frame (23) is movably installed between the two side shells (18). The left and right sides of the cross frame (23) are provided with a longitudinal adjustment component. A guide hole (39) is opened on the cross frame (23). The top and bottom of the cross frame (23) are provided with a guide component. The lateral adjustment assembly includes a first motor (15), which is fixedly installed at the bottom of the arc plate (8). Rotating rods (16) are fixedly installed on both the front and rear sides of the first motor (15). A first gear (14) is fixedly installed at the end of each of the two rotating rods (16) away from the first motor (15). Arc grooves (10) are opened at the bottom of the arc plate (8) near the front and rear sides. A rack (11) is slidably connected to the inner cavity of each of the two arc grooves (10). The bottom of each rack (11) meshes with the corresponding first gear (14), and the top of each rack (11) is fixedly connected to the bottom of the corresponding arc frame (9). The longitudinal adjustment assembly includes two round shafts (22), which are fixedly connected to the left and right sides of the cross frame (23) respectively. The two round shafts (22) are respectively connected to the outer wall of the corresponding side shell (18) at one end and extend to the inner cavity of the side shell (18). The round shafts (22) are rotatably connected to the outer wall of the side shell (18), and a second gear (21) is fixedly installed at the other end of the round shafts (22). The bottom of the two second gears (21) is meshed with a second rack (20). An electric push rod (19) is fixedly installed on the rear side of the two second racks (20). The rear end of the electric push rod (19) is fixedly connected to the rear side of the inner wall of the corresponding side shell (18). The guiding component includes a lower guide ring (25), which is located at the bottom of the cross frame (23). The lower guide ring (25) is fixedly mounted on both the left and right sides of the lower guide ring (25). The two fixed frames (24) are fixedly connected to the bottom of the cross frame (23). The top of the cross frame (23) is provided with an upper horizontal groove (28) near the left and right sides. The inner cavity of the two upper horizontal grooves (28) is fixedly connected with a cross rod (38). The outer side of the two cross rods (38) is fitted with a movable collar (36). The outer side of the two cross rods (38) is fitted with a spring (37). The two ends of the spring (37) are fixedly connected to the outer wall of the movable collar (36) and the inner wall of the upper horizontal groove (28). The two movable collars (36) are provided with a limit component on the side away from each other. The top of the two movable collars (36) is hinged with a connecting strip (27). The top of the two connecting strips (27) is hinged with an upper guide ring (26).

2. The spinal positioning and guidance system according to claim 1, characterized in that: Limiting grooves (12) are provided on the opposite side of the inner walls of the two arc-shaped grooves (10). Limiting blocks (13) are slidably connected to the inner cavities of the two limiting grooves (12). The opposite sides of the two limiting blocks (13) are respectively fixedly connected to the outer wall of the corresponding first rack (11).

3. The spinal positioning and guidance system according to claim 1, characterized in that: The top of the No. 1 motor (15) is fixedly connected to a fixed base (17), and the top of the fixed base (17) is fixedly connected to the bottom of the arc plate (8).

4. The spinal positioning and guidance system according to claim 1, characterized in that: The limiting component includes two limiting collars (35), which are respectively sleeved and movably installed on the outside of the corresponding crossbar (38). The bottom of each of the two limiting collars (35) is fixedly connected to a vertical block (34). The bottom of the crossbar (23) is provided with a lower horizontal groove (30) near the left and right sides. The left and right sides of the crossbar (23) are fixedly connected to a second motor (31). The two second motors (31) are fixedly connected to a screw (32) on opposite sides. One end of the screw (32) passes through the outside of the crossbar (23) and is rotatably connected to the outside of the crossbar (23) and the inner wall of the lower horizontal groove (30). The outside of the screw (32) is threadedly connected to a threaded sleeve (33). A through groove (29) is provided between the lower horizontal groove (30) and the upper horizontal groove (28). The bottom of each of the two vertical blocks (34) passes through the corresponding through groove (29) and is fixedly connected to the top of the corresponding threaded sleeve (33).

5. The spinal positioning and guidance system according to claim 1, characterized in that: The inner diameters of the lower guide ring (25), guide hole (39), and upper guide ring (26) are all equal.

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