Orthopedic joint replacement operation positioning platform

Abstract

The invention relates to the technical field of positioning, and particularly discloses an orthopedic joint replacement operation positioning platform which comprises an operating table, two groove plates are fixedly mounted at the right end of the operating table, a transmission rod is rotatably mounted on the left side of the interior of each groove plate, a first sliding column is fixedly mounted on the circumferential surface of each transmission rod, and a second sliding column is fixedly mounted on the right end of the operating table. A first cylinder is slidably mounted from the right end to the interior of the first sliding column. A positioning assembly is arranged on the circumferential surface of the first cylinder and comprises a gear ring slidably mounted on the circumferential surface of the first cylinder, a moving wheel is mounted on the circumferential surface of the outer side of the gear ring in a rolling mode, and first connecting plates are fixedly mounted at the two ends of the moving wheel; under the action of the moving wheels, the magnifying lens can be driven to enable the joint position of the patient to perform circumferential rotation, so that a new doctor can conveniently observe the condition of the joint bone in all directions under the action of the magnifying lens.

Description

Technical Field

[0001] The present invention relates to the field of positioning technology, and in particular to a positioning platform for orthopedic joint replacement surgery. Background Art

[0002] Joint replacement is a surgery that replaces the joint. This surgery is very common in orthopedic surgery. Simply put, it is to replace the damaged cartilage in the joint that affects the normal movement of the joint, and the bone surface below, with artificially designed prosthetic components. The replacement is performed through surgery, which includes osteotomy, implantation of prosthesis, and cleaning of the joint surface. Each step must consider whether the related functions will be affected, whether the prosthesis is suitable, and whether it is firm enough after fixation.

[0003] Currently, during the replacement process, corresponding bone screws need to be inserted into the patient's joint to remove the necrotic joint so that the subsequently inserted prosthesis can be tightly connected to the original joint bone.

[0004] The surgery has specific requirements for the fixed implanted bone screws. In order to avoid the implanted bone screws from being displaced, the position of the bone screws needs to be positioned. However, the traditional bone screw positioning devices on the market mostly depend on the doctor's feelings and years of accumulated experience, which inevitably leads to some doctors who have just started surgery feeling uncomfortable.

[0005] Therefore, we propose a positioning platform for orthopedic joint replacement surgery. Summary of the invention

[0006] The purpose of the present invention is to provide an orthopedic joint replacement surgery positioning platform, which can rotate in a circle with a magnifying glass under the action of a moving wheel to allow the patient's joint position to rotate, so that new doctors can observe the condition of the joint bones in all directions under the action of the magnifying glass, and then gradually position the bone under the action of a drilling column, so that there will be no position errors when inserting bone screws for fixation, reducing the mistakes of new doctors, thereby solving the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an orthopedic joint replacement surgery positioning platform, comprising an operating table, a groove plate is fixedly installed at the right end of the operating table, and the number of the groove plates is two, a transmission rod is rotatably installed on the left side of the inner part of the groove plate, a first sliding column is fixedly installed on the circumferential surface of the transmission rod, and a first cylinder is slidably installed on the right end of the first sliding column to the inside;

[0008] A positioning assembly is provided on the circumferential surface of the first cylinder, and the positioning assembly includes a gear ring slidably mounted on the circumferential surface of the first cylinder, a moving wheel is rollingly mounted on the outer circumferential surface of the gear ring, and first connecting plates are fixedly mounted on both ends of the moving wheel;

[0009] A second spring is fixedly installed at the lower part of the rear end of the first connecting plate, and a second connecting plate is fixedly installed at the lower end of the second spring. A roller is rotatably installed between the inner sides of the lower ends of the second connecting plates, and the roller is in contact with the inner side surface of the gear ring;

[0010] A magnifying glass is fixedly mounted on the outer side of the second connecting plate on the right side, and a drilling column is rotatably mounted on the lower end of the magnifying glass.

[0011] Preferably, a second pawl is rotatably installed between the inner side of one end of the first connecting plate away from the moving wheel, and the second pawl is meshed with the outer circumferential surface of the gear ring. A connecting rod is rotatably installed at the position of the lower edge of the magnifying glass, and the middle position of the connecting rod is fixedly connected to the drilling column. A supporting plate is fixedly installed at the lower end of the connecting rod, and a first gear is rotatably installed on the supporting plate from the front end to the rear end using a cylinder, and the first gear is meshed with the drilling column.

[0012] Preferably, cavity columns are fixedly mounted on the circumferential surfaces at both ends of the transmission rod, pin holes are opened from the upper end surface to the lower end surface of the cavity column, and a first sliding rod is slidably mounted from the right end of the cavity column to the inside.

[0013] Preferably, the upper and lower end surfaces of the left side of the first sliding rod are provided with groove holes, a first spring is fixedly installed inside the groove hole, both ends of the first spring are fixedly installed with latches, and the ends of the two latches that are far away from each other can be slidably installed inside the latch hole.

[0014] Preferably, a toothed column is rotatably mounted on the upper portion of the first sliding rod, and a U-shaped rod is slidably mounted on the right ends of the two toothed columns.

[0015] Preferably, teeth grooves are provided on the side walls away from each other inside the toothed column, third springs are fixedly installed on the left sides of the front and rear ends of the U-shaped rod, an engaging plate is fixedly installed on the end of the third spring away from the U-shaped rod, the engaging plate is engaged with the teeth grooves, a pressing rod is fixedly installed at the center position of the outer side surface of the engaging plate, and the pressing rod extends to the outside of the toothed column at one end away from the engaging plate and can slide on the toothed column.

[0016] Preferably, a sliding groove is provided on the inner bottom surface of the groove plate, a sliding platform is slidably installed on the inner side of the sliding groove, a threaded column is rotatably installed on the upper end of the sliding platform, a threaded rod is rotatably installed from the upper end of the threaded column to the inside, and the upper end of the threaded rod is rotatably installed on the lower side surface of the right end of the U-shaped rod.

[0017] Preferably, a second sliding column is fixedly installed on the inner right end of the U-shaped rod, a second cylinder is slidably installed from the left side to the inside of the second sliding column, the left side of the second cylinder is rotatably connected to the right side of the first cylinder, arc-shaped gear rings are fixedly installed on the circumferential surfaces of the first and second sliding columns, arc-shaped columns are slidably installed at both ends of the arc-shaped gear rings, a motor is fixedly installed on the right lower end of the arc-shaped column on the right side, a second gear is fixedly installed on the output shaft of the motor, and the second gear is meshed with the arc-shaped gear ring.

[0018] Preferably, a connecting rod is fixedly installed on the left side surface of the second gear on the right side, and a second gear of the same structure is fixedly installed on the left side of the connecting rod. An adjusting rod is rotatably installed from the outer side surface to the inner side surface of the arc column, and an arc-shaped guard plate is rotatably installed on the inner end of the adjusting rod, and a telescopic rod is fixedly installed between the outer ends of the arc-shaped guard plate and the inner side surface of the arc column.

[0019] Preferably, a ratchet is rotatably installed on the left side of the two groove plates at one end away from each other, and the ratchet is fixedly connected to one end of an adjacent transmission rod. The left side of the two groove plates is located on the left side of the ratchet and a first pawl is rotatably installed, and the first pawl engages with the ratchet.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention can rotate the patient's joint position in a circle with a magnifying glass under the action of the moving wheel, so that new doctors can observe the joint bone conditions in all directions under the action of the magnifying glass, and then gradually position the joint under the action of the drilling column. Therefore, there will be no position error when inserting bone screws for fixation, reducing the mistakes of new doctors.

[0022] 2. The present invention can bend the patient's knee by 90 degrees under the action of the cavity column, the first sliding rod, the alveolar column, the U-shaped rod and other structures, so that the doctor can observe the condition of the knee joint bones in a wider range.

[0023] 3. The present invention can operate on patients with different leg lengths under the action of the cavity column, the first sliding rod, the toothed column, the U-shaped rod and other structures, thereby eliminating the need for medical staff to adjust and replace the equipment, reducing unnecessary cumbersome structures and avoiding collisions between the equipment.

[0024] 4. The present invention can adjust the distance between the arc-shaped guard plates on both sides under the action of the arc-shaped column and the arc-shaped gear, so that it is suitable for people with different leg proportions. Moreover, under the action of the adjustment rod, it can further reduce or increase the application to different patients.

[0025] 5. The present invention can adjust the tilt angle of the positioning component under the action of the first cylinder and the second cylinder, so that the positioning component can be suitable for joint bones in different directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is the main structure diagram of the present invention;

[0028] Figure 2 This is a structural diagram of the groove plate of the present invention;

[0029] Figure 3 is a schematic diagram of a first supporting assembly of the present invention;

[0030] Figure 4 It is a schematic diagram of the positioning component of the present invention;

[0031] Figure 5 It is a structural diagram of the positioning component of the present invention;

[0032] Figure 6 For the present invention Figure 5 Enlarged view of point A in the middle;

[0033] Figure 7 is a schematic diagram of a second supporting assembly of the present invention;

[0034] Figure 8 It is a structural diagram of the alveolar column of the present invention;

[0035] Description of reference numerals:

[0036] 1. operating table; 2. groove plate; 201. slideway; 202. slide table; 203. threaded column; 204. threaded rod;

[0037] 3. Transmission rod; 4. Ratchet; 5. First pawl; 6. Cavity column; 7. Latch hole; 8. First slide bar; 9. Groove hole; 10. First spring; 11. Latch; 12. Tooth column; 13. Tooth; 14. U-shaped rod; 15. Third spring; 16. Engagement plate; 17. Pressing rod; 18. First slide column; 19. First cylinder;

[0038] 50. Positioning assembly; 20. Gear ring; 21. Moving wheel; 22. First connecting plate; 23. Second ratchet; 24. Second spring; 25. Second connecting plate; 26. Roller; 27. Magnifying glass; 28. Connecting rod; 29. ​​Drilling column; 30. Support plate; 31. First gear;

[0039] 32. Second sliding column; 33. Second cylinder; 34. Arc-shaped gear ring; 35. Arc-shaped column; 36. Motor; 37. Second gear; 38. Adjusting rod; 39. Arc-shaped guard plate; 40. Telescopic rod; 41. Connecting rod. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figures 1 to 5 , the present invention provides a technical solution:

[0042] A positioning platform for orthopedic joint replacement surgery, comprising an operating table 1, wherein a groove plate 2 is fixedly installed at the right end of the operating table 1, and the number of the groove plates 2 is two, a transmission rod 3 is rotatably installed on the left side of the inner part of the groove plate 2, a first sliding column 18 is fixedly installed on the circumferential surface of the transmission rod 3, and a first cylinder 19 is slidably installed from the right end of the first sliding column 18 to the inside; a positioning assembly 50 is provided on the circumferential surface of the first cylinder 19, and the positioning assembly 50 includes a gear ring 20 slidably installed on the circumferential surface of the first cylinder 19, and the gear ring 20 is slidably installed on the circumferential surface of the first cylinder 19. A moving wheel 21 is rotatably mounted on the outer circumferential surface of the ring 20, and first connecting plates 22 are fixedly mounted on both ends of the moving wheel 21; a second spring 24 is fixedly mounted on the lower part of the rear end of the first connecting plate 22, and a second connecting plate 25 is fixedly mounted on the lower end of the second spring 24, and a roller 26 is rotatably mounted between the inner sides of the lower ends of the second connecting plates 25, and the roller 26 is in contact with the inner side surface of the gear ring 20; a magnifying glass 27 is fixedly mounted on the outer side of the second connecting plate 25 on the right side, and a drilling column 29 is rotatably mounted on the lower end of the magnifying glass 27.

[0043] A second pawl 23 is rotatably mounted between the inner side of the end of the first connecting plate 22 away from the moving wheel 21, and the second pawl 23 meshes with the outer circumferential surface of the gear ring 20. A connecting rod 28 is rotatably mounted at the position of the lower edge of the magnifying glass 27, and the middle position of the connecting rod 28 is fixedly connected to the drilling column 29. A supporting plate 30 is fixedly mounted at the lower end of the connecting rod 28, and a first gear 31 is rotatably mounted on the supporting plate 30 from the front end to the rear end by using a cylinder, and the first gear 31 meshes with the drilling column 29; A cavity column 6, wherein a latch hole 7 is provided from the upper end surface to the lower end surface of the cavity column 6, a first slide rod 8 is slidably installed from the right end of the cavity column 6 to the inside, groove holes 9 are provided on the upper and lower end surfaces of the left side of the first slide rod 8, a first spring 10 is fixedly installed inside the groove hole 9, latches 11 are fixedly installed at both ends of the first spring 10, and the ends of the two latches 11 that are away from each other can be slidably installed inside the latch hole 7, a toothed column 12 is rotatably installed on the upper part of the first slide rod 8, and a U-shaped rod 14 is slidably installed on the right ends of the two toothed columns 12.

[0044] By adopting the above technical solution, when in use, the medical staff places the patient's legs inside the arc-shaped gear ring 34, and then starts the motor 36 during subsequent use. The output shaft of the motor 36 will rotate synchronously with the second gear 37, so that the arc-shaped columns 35 at both ends of the arc-shaped gear ring 34 can gradually approach each other; the second gear 37 in the middle position rotates synchronously under the action of the connecting rod 41.

[0045] Then, the adjusting rod 38 is rotated to allow the arc-shaped guard plate 39 to move closer, so as to fix the patient's legs, which is convenient for the subsequent movement of the patient's legs during the operation. In addition, during use, the telescopic rod 40 can prevent the arc-shaped guard plate 39 from rotating synchronously with the adjusting rod 38.

[0046] Secondly, the patient's knee is located at the position where the first cylinder 19 and the second cylinder 33 are rotatably connected.

[0047] At this time, the medical staff needs to perform positioning operations to facilitate the subsequent insertion of bone screws and other devices. The medical staff needs to adjust the position of the positioning component 50 during the operation. The positioning component 50 slides on the circumference of the first cylinder 19 or the second cylinder 33 to adjust the angle.

[0048] At this time, the operator rotates the moving wheel 21. Since the moving wheel 21 is meshed with the outer circumferential surface of the gear ring 20 and is restricted by the first connecting plate 22, the second spring 24, the second connecting plate 25 and the roller 26, the moving wheel 21 can rotate normally and will not fall off.

[0049] The moving wheel 21 rotates on the outer circumferential surface of the gear ring 20 and can adjust the angle of the magnifying glass 27 to observe the condition of the bones at the knee.

[0050] At this time, the moving wheel 21 will carry the first connecting plate 22 with it during the rotation, and the first connecting plate 22 will carry the second pawl 23 to move synchronously, so as to ensure that the moving wheel 21 will not return on its own. After the second pawl 23 is separated from the gear groove on the outer circumferential surface of the gear ring 20, the moving wheel 21 can rotate in the opposite direction.

[0051] Then, during the rotation of the moving wheel 21, the second spring 24 fixedly connected on both sides will move synchronously, the second spring 24 will move synchronously with the second connecting plate 25, the second connecting plate 25 will move synchronously with the roller 26 rotatably connected at the lower end, and the roller 26 will be rollingly installed on the inner circumferential surface of the gear ring 20 and be in a fitted state.

[0052] Finally, during use, the operator determines the position according to the observation of the magnifying glass 27, rotates the connecting rod 28, and then rotates the first gear 31. Due to the action of the support plate 30, the first gear 31 can be guaranteed not to fall off. During the rotation, the first gear 31 will drive the drilling column 29 to rotate synchronously. During the rotation of the drilling column 29, the drilling operation will be performed on the bone at the determined position, so as to facilitate the subsequent insertion of the bone screw to find the position to be inserted in the first time, thereby ensuring the accuracy of the bone screw insertion position and saving the operator's time.

[0053] Specifically, Figures 3 to 8 As shown, a tooth groove 13 is opened on the side wall away from the inner side of the tooth groove column 12, and a third spring 15 is fixedly installed on the left side of the front and rear ends of the U-shaped rod 14, and an engaging plate 16 is fixedly installed on the end of the third spring 15 away from the U-shaped rod 14, and the engaging plate 16 is engaged with the tooth groove 13. A pressing rod 17 is fixedly installed at the center position of the outer side surface of the engaging plate 16, and the end of the pressing rod 17 away from the engaging plate 16 extends to the outside of the tooth groove column 12 and can slide on the tooth groove column 12.

[0054] A slide groove 201 is provided on the inner bottom surface of the groove plate 2, and a slide table 202 is slidably installed on the inner side of the slide groove 201. A threaded column 203 is rotatably installed on the upper end of the slide table 202, and a threaded rod 204 is rotatably installed on the upper end of the threaded column 203 to the inside, and the upper end of the threaded rod 204 is rotatably installed on the lower side surface of the right end of the U-shaped rod 14; a second slide column 32 is fixedly installed on the right end of the inner side of the U-shaped rod 14, and a second cylinder 33 is slidably installed from the left side of the second slide column 32 to the inside, and the left side of the second cylinder 33 is rotatably connected to the right side of the first cylinder 19, and an arc gear ring 34 is fixedly installed on the circumferential surface of the first slide column 18 and the second slide column 32, and an arc column 35 is slidably installed at both ends of the arc gear ring 34, and a motor 36 is fixedly installed on the right lower end of the arc column 35 on the right side, and a second gear 37 is fixedly installed on the output shaft of the motor 36, and the second gear 37 is meshed with the arc gear ring 34.

[0055] A connecting rod 41 is fixedly installed on the left side surface of the second gear 37 on the right side, and a second gear 37 of the same structure is fixedly installed on the left side of the connecting rod 41. An adjusting rod 38 is rotatably installed from the outer side surface to the inner side surface of the arc column 35, and an arc guard plate 39 is rotatably installed on one end of the inner side of the adjusting rod 38. A telescopic rod 40 is fixedly installed between the outer ends of the arc guard plate 39 and the inner side surface of the arc column 35.

[0056] A ratchet 4 is rotatably installed on the left side of the two groove plates 2 at the ends away from each other. The ratchet 4 is fixedly connected to one end of an adjacent transmission rod 3. A first pawl 5 is rotatably installed on the left side of the two groove plates 2 located on the left side of the ratchet 4. The first pawl 5 is engaged with the ratchet 4.

[0057] By adopting the above technical solution, when in use, two parallel groove plates 2 are fixedly installed on the right side of the operating table 1, and a transmission rod 3 is rotatably installed on the left side inside the groove plate 2. At this time, the ratchet 4 rotates synchronously with the transmission rod 3, and the ratchet 4 can be fixed and restricted under the action of the first pawl 5 to prevent the ratchet 4 from rotating by itself and then rotating synchronously with the transmission rod 3.

[0058] Then the transmission rod 3 will rotate synchronously with the two cavity columns 6 on the circumferential surface, and the cavity column 6 will rotate synchronously with the first slide bar 8, and press the latch 11 during use, so that the latch 11 gradually slides into the groove hole 9, so that the latch 11 can be adjusted to the middle position of the latch hole 7, and the latch 11 will squeeze the first spring 10 during the sliding process, allowing the first spring 10 to contract, thereby changing the overall length of the first slide bar 8 and the cavity column 6, so as to be suitable for people with different leg lengths.

[0059] Then, during use, the circumferential surface of the transmission rod 3 will rotate synchronously with the first sliding column 18, and then the first sliding column 18 will work synchronously with the first cylinder 19, so that the first cylinder 19 and the positioning assembly 50 will work synchronously.

[0060] Secondly, during use, the upper part of the first slide rod 8 is rotatably and slidingly installed with a toothed column 12. Therefore, during use, the toothed column 12 will rotate synchronously with the U-shaped rod 14. At this time, the East China slide 202 is required. Under the action of the slide groove 201, the movement trajectory of the slide 202 can be guaranteed. Under the action of the threaded column 203, rotating the threaded rod 204 can allow the U-shaped rod 14 to maintain the same height as the toothed column 12, thereby ensuring the overall horizontal state.

[0061] Then, during use, it can be suitable for different groups of people. The operator needs to press the pressing rod 17, and the pressing rod 17 will drive the engaging plate 16 and the tooth groove 13 to be in a separated state. At this time, the engaging plate 16 will squeeze the third spring 15, so that the U-shaped rod 14 can slide inside the tooth groove column 12, so as to change the length of the combination of the tooth groove column 12 and the U-shaped rod 14, so that it can be suitable for different groups of people.

[0062] Moreover, during use, the U-shaped rod 14 will move synchronously with the second slide column 32, and the second slide column 32 can change the overall length of the combination with the second cylinder 33 during the movement, because the second cylinder 33 is rotatably connected to the end adjacent to the first cylinder 19. Therefore, under the action of the above-mentioned multiple structures, it can be suitable for different leg proportions of the population, so as to fix the patient's legs or arms.

[0063] Working principle: First, the position of the patient to be replaced is placed on the inner side of the gear ring 20, and the replacement position is supported by the first sliding column 18, the second sliding column 32, the first cylinder 19, and the second cylinder 33.

[0064] The ratchet wheel 4 is rotated to allow the cavity column 6 to move synchronously with the first slide rod 8, and then the slide table 202 is slid, and the toothed column 12 and the U-shaped rod 14 are driven to maintain a horizontal state under the action of the threaded rod 204.

[0065] Secondly, the magnifying glass 27 in the positioning assembly 50 is used to observe the bone, and then the drilling column 29 is used for positioning.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An orthopedic joint replacement surgery positioning platform, comprising an operating table (1), wherein a groove plate (2) is fixedly mounted on the right end of the operating table (1), and the number of the groove plates (2) is two, characterized in that: A transmission rod (3) is rotatably mounted on the left side of the groove plate (2), a first sliding column (18) is fixedly mounted on the circumferential surface of the transmission rod (3), and a first cylinder (19) is slidably mounted on the right end of the first sliding column (18) to the inside; A positioning assembly (50) is provided on the circumferential surface of the first cylinder (19), and the positioning assembly (50) comprises a gear ring (20) slidably mounted on the circumferential surface of the first cylinder (19), a moving wheel (21) is rollingly mounted on the outer circumferential surface of the gear ring (20), and first connecting plates (22) are fixedly mounted at both ends of the moving wheel (21); A second spring (24) is fixedly mounted at the lower part of the rear end of the first connecting plate (22), a second connecting plate (25) is fixedly mounted at the lower end of the second spring (24), a roller (26) is rotatably mounted between the inner sides of the lower ends of the second connecting plates (25), and the roller (26) is in contact with the inner side surface of the gear ring (20); A magnifying glass (27) is fixedly mounted on the outer side of the second connecting plate (25) on the right side, and a drilling column (29) is rotatably mounted on the lower end of the magnifying glass (27).

2. The orthopedic joint replacement surgery positioning platform according to claim 1, characterized in that: A second pawl (23) is rotatably mounted between the inner side of one end of the first connecting plate (22) away from the moving wheel (21), and the second pawl (23) meshes with the outer circumferential surface of the gear ring (20). A connecting rod (28) is rotatably mounted on the lower edge of the magnifying glass (27), and the middle position of the connecting rod (28) is fixedly connected to the drilling column (29). A supporting plate (30) is fixedly mounted on the lower end of the connecting rod (28), and a first gear (31) is rotatably mounted on the supporting plate (30) from the front end to the rear end by means of a cylinder, and the first gear (31) meshes with the drilling column (29).

3. The orthopedic joint replacement surgery positioning platform according to claim 1, characterized in that: Cavity columns (6) are fixedly mounted on the circumferential surfaces at both ends of the transmission rod (3), a pin hole (7) is provided from the upper end surface to the lower end surface of the cavity column (6), and a first sliding rod (8) is slidably mounted from the right end to the inside of the cavity column (6).

4. The orthopedic joint replacement surgery positioning platform according to claim 1, characterized in that: The left upper and lower end surfaces of the first slide bar (8) are provided with groove holes (9), a first spring (10) is fixedly installed inside the groove hole (9), both ends of the first spring (10) are fixedly installed with latches (11), and the ends of the two latches (11) that are away from each other can be slidably installed inside the latch hole (7).

5. The orthopedic joint replacement surgery positioning platform according to claim 4, characterized in that: A toothed column (12) is rotatably mounted on the upper portion of the first sliding rod (8), and a U-shaped rod (14) is slidably mounted on the right ends of the two toothed columns (12).

6. The orthopedic joint replacement surgery positioning platform according to claim 5, characterized in that: A tooth groove (13) is provided on the side wall of the tooth groove column (12) which is away from the tooth groove column. A third spring (15) is fixedly installed on the left sides of the front and rear ends of the U-shaped rod (14). An engaging plate (16) is fixedly installed on the end of the third spring (15) away from the U-shaped rod (14). The engaging plate (16) is engaged with the tooth groove (13). A pressing rod (17) is fixedly installed at the center position of the outer side surface of the engaging plate (16). The end of the pressing rod (17) away from the engaging plate (16) extends to the outside of the tooth groove column (12) and can slide on the tooth groove column (12).

7. The orthopedic joint replacement surgery positioning platform according to claim 1, characterized in that: The inner bottom surface of the groove plate (2) is provided with a slide groove (201), a slide table (202) is slidably mounted on the inner side of the slide groove (201), a threaded column (203) is rotatably mounted on the upper end of the slide table (202), a threaded rod (204) is rotatably mounted from the upper end of the threaded column (203) to the inside, and the upper end of the threaded rod (204) is rotatably mounted on the lower side surface of the right end of the U-shaped rod (14).

8. The orthopedic joint replacement surgery positioning platform according to claim 7, characterized in that: A second sliding column (32) is fixedly installed on the inner right end of the U-shaped rod (14), a second cylinder (33) is slidably installed from the left side to the inside of the second sliding column (32), the left side of the second cylinder (33) is rotatably connected to the right side of the first cylinder (19), an arc-shaped toothed ring (34) is fixedly installed on the circumferential surface of the first sliding column (18) and the second sliding column (32), an arc-shaped column (35) is slidably installed at both ends of the arc-shaped toothed ring (34), a motor (36) is fixedly installed on the right lower end of the arc-shaped column (35) on the right side, a second gear (37) is fixedly installed on the output shaft of the motor (36), and the second gear (37) is meshed with the arc-shaped toothed ring (34).

9. The orthopedic joint replacement surgery positioning platform according to claim 8, characterized in that: A connecting rod (41) is fixedly installed on the left side surface of the second gear (37) on the right side, and a second gear (37) with the same structure is fixedly installed on the left side of the connecting rod (41). An adjusting rod (38) is rotatably installed from the outer side surface to the inner side surface of the arc column (35), and an arc guard plate (39) is rotatably installed on one end of the inner side of the adjusting rod (38). A telescopic rod (40) is fixedly installed between the outer ends of the arc guard plate (39) and the inner side surface of the arc column (35).

10. The orthopedic joint replacement surgery positioning platform according to claim 1, characterized in that: A ratchet (4) is rotatably mounted on the left side of the ends of the two groove plates (2) that are away from each other. The ratchet (4) is fixedly connected to one end of an adjacent transmission rod (3). A first pawl (5) is rotatably mounted on the left side of the two groove plates (2) located on the left side of the ratchet (4). The first pawl (5) is meshed with the ratchet (4).

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