Lower limb stable supporting device special for knee joint replacement surgery

Abstract

The invention discloses a lower limb stable supporting device special for knee replacement surgery. The lower limb stable supporting device comprises a base, a lifting leg support mechanism, a bottom support, a cross rod and a foot support assembly. A translation assembly is mounted on one side of the top surface of the base, and a vertical rod is mounted on the other side of the top surface of the base; the lifting leg support mechanism is mounted at the moving end of the translation assembly; the bottom support is vertically connected to the vertical rod in a sliding mode, a first driving assembly is installed on the bottom support, and the first driving assembly is used for adjusting the height of the bottom support; the transverse rod is transversely connected to the bottom support in a sliding mode, and a second driving assembly is installed on the transverse rod and used for adjusting the horizontal position of the transverse rod; the foot support assembly is installed on the transverse rod through the dip angle adjusting assembly, and a temperature control assembly is installed in the foot support assembly. Adjustment of the inclination angle, the height and the horizontal position of the foot support and adjustment of the position of the leg support can be achieved, rapid and accurate adjustment of the lower limb supporting position and angle is achieved, and stability and safety of the lower limbs of a patient in the knee joint replacement operation are guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a lower limb stabilizing support device specially used for knee replacement surgery. Background Art

[0002] Knee replacement surgery is an important orthopedic surgery that is of great significance for restoring patients' joint function, alleviating pain and improving their quality of life. However, during the operation, how to ensure the stability and safety of the lower limbs and improve the comfort of the patient has always been a key issue for medical staff.

[0003] Existing lower limb support devices often lack sufficient flexibility and adaptability, and are difficult to adjust precisely according to the patient's body shape and surgical needs. For example, the inclination angle of the footrest assembly is usually fixed, which cannot adapt to the natural curvature of the lower limbs of patients of different body shapes, resulting in poor support effects and may even increase surgical risks. In addition, the height and horizontal position of the footrest assembly in existing devices often need to be adjusted through cumbersome manual operations, which is not only time-consuming and labor-intensive, but also difficult to achieve precise positioning. This not only increases the workload of medical staff, but may also affect the smooth progress of the operation.

[0004] Therefore, a lower limb stabilization support device specially used for knee replacement surgery is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a lower limb stabilization support device specially used for knee replacement surgery, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above-mentioned purpose, the present invention provides the following solution: The present invention provides a lower limb stabilization support device specially used for knee replacement surgery, comprising:

[0007] A base, the base is used to connect with the bed body, a translation assembly is installed on one side of the top surface of the base, and a vertical rod is installed on the other side;

[0008] A lifting leg support mechanism, the lifting leg support mechanism is installed at the moving end of the translation assembly;

[0009] A bottom bracket, the bottom bracket is vertically slidably connected to the vertical rod, and a first driving assembly is installed on the bottom bracket, and the first driving assembly is used to adjust the height of the bottom bracket;

[0010] A crossbar, the crossbar being laterally slidably connected to the base, a second drive assembly being mounted on the crossbar, the second drive assembly being used to adjust the horizontal position of the crossbar;

[0011] A footrest assembly is installed on the crossbar through a tilt adjustment assembly, and a temperature control assembly is installed in the footrest assembly.

[0012] According to a lower limb stabilization support device for knee replacement surgery provided by the present invention, a first rack is vertically installed on the side wall of the vertical rod, the first driving assembly includes a first motor installed on the bottom bracket, the output shaft of the first motor is installed with a first gear, and the first gear is meshed with the first rack for transmission;

[0013] A first slide rail is vertically installed on the vertical rod, a first slider is installed on one side of the bottom bracket, and the first slider is slidably connected to the first slide rail.

[0014] According to a lower limb stabilization support device for knee replacement surgery provided by the present invention, a second rack is transversely mounted on the bottom surface of the crossbar, the second drive assembly includes a second motor mounted on the bottom bracket, a second gear is mounted on the output shaft of the second motor, and the second gear is meshed with the second rack for transmission;

[0015] A second slide rail is fixedly mounted on the bottom of the cross bar, a second slider is mounted on the top of the bottom bracket, and the second slider is slidably connected to the second slide rail.

[0016] According to the lower limb stabilization support device for knee replacement surgery provided by the present invention, the inclination adjustment assembly includes a support column and a first electric push rod;

[0017] The pillar is fixedly mounted on one side of the top surface of the cross bar, the first electric push rod is hinged on the side of the top surface of the cross bar away from the pillar, two side plates are installed on the top of the pillar, a first rotating shaft is installed between the two side plates, the first rotating shaft is rotatably connected to one side of the bottom surface of the foot rest assembly; the top of the first electric push rod is hinged to the side of the bottom surface of the foot rest assembly away from the first rotating shaft.

[0018] According to a lower limb stabilization support device for knee replacement surgery provided by the present invention, the footrest assembly includes an L-shaped footrest, the top surface of the L-shaped footrest is detachably connected with a flexible gasket, the side wall of the L-shaped footrest is provided with an interlayer, and the temperature control assembly is installed in the interlayer;

[0019] The first rotating shaft is rotatably connected to one side of the bottom surface of the L-shaped footrest; the top of the first electric push rod is hinged to the side of the bottom surface of the L-shaped footrest away from the first rotating shaft.

[0020] According to a lower limb stabilization support device specially used for knee replacement surgery provided by the present invention, the temperature control component includes a temperature controller, a temperature sensor and a heating element; the heating element is installed in the interlayer, the temperature sensor is installed between the top surface of the L-shaped footrest and the flexible gasket, the thermostat is installed at the bottom of the L-shaped footrest, and the heating element and the temperature sensor are both electrically connected to the thermostat.

[0021] According to a lower limb stabilization support device specially used for knee replacement surgery provided by the present invention, the translation assembly includes a screw motor installed on one side of the top surface of the base, the output shaft of the screw motor is installed with a screw through a coupling, and the two ends of the screw are connected to the base through bearings; a sliding sleeve is provided on the screw, and the lifting leg support mechanism is installed on the sliding sleeve.

[0022] According to a lower limb stabilization support device specially used for knee replacement surgery provided by the present invention, the lifting leg support mechanism includes a second electric push rod and a leg support assembly, the bottom of the second electric push rod is installed on the sliding sleeve, and the leg support assembly is installed at the telescopic end of the second electric push rod.

[0023] According to a lower limb stabilization support device specially used for knee replacement surgery provided by the present invention, the leg support assembly includes an upper top plate installed on the telescopic end of the second electric push rod, side plates are installed on both sides of the top surface of the upper top plate, a second rotating shaft is rotatably connected between the two side plates, and the outer sleeve of the second rotating shaft is provided with an annular sponge pad; an arc plate is installed on the top of the side plate, and the outer sleeve of the arc plate is provided with an arc sponge pad.

[0024] According to a lower limb stabilization support device specially used for knee replacement surgery provided by the present invention, a mounting groove is provided on the side wall of the base, the lead screw and the lead screw motor are both installed in the mounting groove, a slide groove is provided on one side of the top surface of the base, the slide groove is connected with the mounting groove, a connecting block is installed on the top of the sliding sleeve, the connecting block passes through the slide groove and extends out of the base, and the connecting block is slidably connected to the slide groove.

[0025] The present invention discloses the following technical effects:

[0026] The present invention forms a stable lower limb support system through the synergistic effect of the lifting leg support mechanism, the bottom support, the cross bar and the foot support assembly, which can ensure the stability and safety of the patient's lower limbs during knee replacement surgery;

[0027] The present invention can adjust the inclination angle of the footrest assembly through the inclination adjustment assembly on the crossbar to adapt to the natural curvature of the lower limbs of patients with different body shapes, improve the support performance and comfort of the feet, and ensure the stability of the lower limbs during surgery; the temperature of the footrest assembly can be controlled by the temperature control assembly, thereby further improving the comfort during use;

[0028] The present invention adjusts the height of the base through the first driving assembly, thereby adjusting the installation height of the footrest assembly, and adjusts the horizontal position of the crossbar through the second driving assembly, thereby adjusting the horizontal position of the footrest assembly, so as to facilitate adjusting the installation position of the footrest assembly according to the position requirements in the knee replacement surgery, thereby improving the surgical effect;

[0029] The present invention drives the lifting leg support mechanism to translate through the translation component, and adjusts the height through the lifting function of the lifting leg support mechanism, thereby adapting to the leg support needs of patients of different heights and body shapes, achieving rapid and accurate adjustment of the lower limb support position and support angle, and further improving the support effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a structural schematic diagram of the present invention;

[0032] Figure 2 for Figure 1 A partial enlarged view of middle A;

[0033] Figure 3 Schematic diagram of the installation of the crossbar and the column in the present invention Figure I ;

[0034] Figure 4 Schematic diagram of the installation of the crossbar and the column in the present invention Figure II ;

[0035] Figure 5 It is a schematic structural diagram of the leg support assembly in the present invention.

[0036] Among them, 1. base; 2. vertical pole; 3. bottom support; 4. cross bar; 5. first rack; 6. first motor; 7. first gear; 8. first slide rail; 9. first slider; 10. second rack; 11. second motor; 12. second gear; 13. second slide rail; 14. second slider; 15. pillar; 16. first electric push rod; 17. first rotating shaft; 18. L-shaped foot support; 19. flexible gasket; 20. interlayer; 21. temperature controller; 22. temperature sensor; 23. heating element; 24. second electric push rod; 25. upper top plate; 26. side plate; 27. second rotating shaft; 28. annular sponge pad; 29. ​​arc sponge pad; 30. screw motor; 31. screw rod; 32. sleeve; 33. connecting block; 34. mounting groove; 35. slide groove; 36. control system; 37. reinforcing rib. DETAILED DESCRIPTION

[0037] 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.

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] Reference Figure 1-Figure 5 The present invention provides a lower limb stabilization support device for knee replacement surgery, comprising:

[0040] A base 1, which is used to connect with the bed body, with a translation assembly installed on one side of the top surface of the base 1 and a vertical rod 2 installed on the other side;

[0041] A lifting leg support mechanism, the lifting leg support mechanism is installed at the moving end of the translation assembly;

[0042] The bottom bracket 3 is vertically slidably connected to the upright pole 2, and a first driving assembly is installed on the bottom bracket 3, and the first driving assembly is used to adjust the height of the bottom bracket 3;

[0043] A crossbar 4 is slidably connected to the bottom bracket 3 in a transverse direction, and a second driving assembly is installed on the crossbar 4, and the second driving assembly is used to adjust the horizontal position of the crossbar 4;

[0044] A footrest assembly, the footrest assembly is mounted on the crossbar 4 through a tilt adjustment assembly, and a temperature control assembly is installed in the footrest assembly;

[0045] In this way, the present invention forms a stable lower limb support system through the synergistic effect of the lifting leg support mechanism, the bottom support 3, the cross bar 4 and the foot support assembly, which can ensure the stability and safety of the patient's lower limbs during knee replacement surgery;

[0046] The present invention can adjust the inclination angle of the footrest assembly through the inclination adjustment assembly on the crossbar 4 to adapt to the natural curvature of the lower limbs of patients with different body shapes, improve the support performance and comfort of the feet, and ensure the stability of the lower limbs during surgery; the temperature of the footrest assembly can be controlled by the temperature control assembly, thereby further improving the comfort of the use process;

[0047] The present invention adjusts the height of the base 3 through the first driving component, thereby adjusting the installation height of the foot support component, and adjusts the horizontal position of the cross bar 4 through the second driving component, thereby adjusting the horizontal position of the foot support component, so as to facilitate adjusting the installation position of the foot support component according to the position requirements in the knee replacement surgery, thereby improving the surgical effect;

[0048] The present invention drives the lifting leg support mechanism to translate through the translation component, and adjusts the height through the lifting function of the lifting leg support mechanism, thereby adapting to the leg support needs of patients of different heights and body shapes, achieving rapid and accurate adjustment of the lower limb support position and support angle, and further improving the support effect.

[0049] Further optimizing the scheme, a first rack 5 is vertically installed on the side wall of the upright pole 2, and the first driving assembly includes a first motor 6 installed on the base 3, and a first gear 7 is installed on the output shaft of the first motor 6, and the first gear 7 is meshed with the first rack 5 for transmission;

[0050] A first slide rail 8 is vertically mounted on the upright pole 2, and a first slider 9 is mounted on one side of the bottom bracket 3, and the first slider 9 is slidably connected to the first slide rail 8;

[0051] The first motor 6 drives the first gear 7 to rotate, and the first gear 7 meshes with the first rack 5 on the side wall of the upright 2 for transmission, thereby realizing the vertical sliding of the base 3 on the upright 2; the first slider 9 on one side of the base 3 is slidably connected with the first slide rail 8 on the upright 2, ensuring the stability and guidance of the base 3 during the lifting process; when the first motor 6 rotates forward or reversely, the base 3 will rise or fall accordingly, thereby adjusting the installation height of the foot support assembly.

[0052] In a further optimized solution, a second rack 10 is transversely mounted on the bottom surface of the crossbar 4, and the second driving assembly includes a second motor 11 mounted on the bottom bracket 3, and a second gear 12 is mounted on the output shaft of the second motor 11, and the second gear 12 is meshed with the second rack 10 for transmission;

[0053] A second slide rail 13 is fixedly mounted on the bottom of the crossbar 4, a second slider 14 is mounted on the top of the bottom bracket 3, and the second slider 14 is slidably connected to the second slide rail 13;

[0054] The second motor 11 drives the second gear 12 to rotate, and the second gear 12 meshes with the second rack 10 on the bottom surface of the cross bar 4 for transmission, thereby realizing the lateral sliding of the cross bar 4 on the base 3; the second slide rail 13 at the bottom of the cross bar 4 is slidably connected with the second slider 14 at the top of the base 3, ensuring the stability and guidance of the cross bar 4 during movement; when the second motor 11 rotates forward or reverse, the cross bar 4 will move left or right accordingly, thereby adjusting the horizontal position of the foot support assembly.

[0055] According to a further optimized solution, the tilt adjustment assembly includes a support column 15 and a first electric push rod 16;

[0056] The support 15 is fixedly mounted on one side of the top surface of the cross bar 4, the first electric push rod 16 is hinged on the side of the top surface of the cross bar 4 away from the support 15, the top of the support 15 is equipped with two side plates 26, a first rotating shaft 17 is installed between the two side plates 26, and the first rotating shaft 17 is rotatably connected to one side of the bottom surface of the foot support assembly; the top of the first electric push rod 16 is hinged to the side of the bottom surface of the foot support assembly away from the first rotating shaft 17;

[0057] The inclination angle of the footrest assembly relative to the crossbar 4 is adjusted by the telescopic movement of the first electric push rod 16; when the first electric push rod 16 is extended or shortened, the footrest assembly will rotate around the first rotating shaft 17, thereby changing its inclination angle.

[0058] According to a further optimized solution, the footrest assembly includes an L-shaped footrest 18, a flexible gasket 19 is detachably connected to the top surface of the L-shaped footrest 18, a side wall of the L-shaped footrest 18 is provided with an interlayer 20, and the temperature control assembly is installed in the interlayer 20;

[0059] The first rotating shaft 17 is rotatably connected to one side of the bottom surface of the L-shaped footrest 18 ; the top of the first electric push rod 16 is hinged to one side of the bottom surface of the L-shaped footrest 18 away from the first rotating shaft 17 .

[0060] Further optimizing the scheme, the temperature control assembly includes a thermostat 21, a temperature sensor 22 and a heating element 23; the heating element 23 is installed in the interlayer 20, the temperature sensor 22 is installed between the top surface of the L-shaped footrest 18 and the flexible gasket 19, the thermostat 21 is installed at the bottom of the L-shaped footrest 18, and the heating element 23 and the temperature sensor 22 are both electrically connected to the thermostat 21;

[0061] The temperature control component controls the heating power of the heating element 23 through the thermostat 21 to adjust the temperature inside the L-shaped footrest 18; the temperature sensor 22 monitors the temperature of the top surface of the L-shaped footrest 18 in real time and feeds back the signal to the thermostat 21; the thermostat 21 adjusts the heating power of the heating element 23 according to the preset temperature range and the feedback signal of the temperature sensor 22, so as to keep the temperature inside the L-shaped footrest 18 within an appropriate range.

[0062] Further optimizing the scheme, the translation assembly includes a screw motor 30 installed on one side of the top surface of the base 1, the output shaft of the screw motor 30 is installed with a screw rod 31 through a coupling, and both ends of the screw rod 31 are connected to the base 1 through bearings; a sliding sleeve 32 is provided on the screw rod 31, and the lifting leg support mechanism is installed on the sliding sleeve 32;

[0063] The lead screw motor 30 drives the lead screw 31 to rotate, and the sleeve 32 on the lead screw 31 slides in the spiral groove of the lead screw, thereby realizing the translational movement of the lifting leg support mechanism; when the lead screw motor 30 rotates forward or reversely, the lifting leg support mechanism will move left or right accordingly to adapt to the leg position requirements of different patients.

[0064] Further optimized solution, the lifting leg support mechanism includes a second electric push rod 24 and a leg support assembly, the bottom of the second electric push rod 24 is installed on the sliding sleeve 32, and the leg support assembly is installed at the telescopic end of the second electric push rod 24;

[0065] The height adjustment of the leg rest assembly is achieved through the telescopic movement of the second electric push rod 24. The telescopic end of the second electric push rod 24 is connected to the upper top plate 25 of the leg rest assembly. When the second electric push rod 24 is extended or shortened, the leg rest assembly will rise or fall accordingly.

[0066] Further optimized solution, the leg support assembly includes an upper top plate 25 installed at the telescopic end of the second electric push rod 24, side plates 26 are installed on both sides of the top surface of the upper top plate 25, a second rotating shaft 27 is rotatably connected between the two side plates 26, and the outer jacket of the second rotating shaft 27 is provided with an annular sponge pad 28; an arc plate is installed on the top of the side plate 26, and the outer jacket of the arc plate is provided with an arc sponge pad 29;

[0067] The design of the second rotating shaft 27 and the annular sponge pad 28 on the leg rest assembly provides comfortable leg support for the patient. The design of the arc plate and the arc sponge pad 29 supports and fixes both sides of the patient's legs, further enhancing the comfort of the leg rest assembly and the stability of the support.

[0068] To further optimize the solution, a mounting groove 34 is provided on the side wall of the base 1, and the lead screw 31 and the lead screw motor 30 are both installed in the mounting groove 34; a slide groove 35 is provided on one side of the top surface of the base 1, and the slide groove 35 is connected to the mounting groove 34; a connecting block 33 is installed on the top of the sliding sleeve 32, and the connecting block 33 passes through the slide groove 35 and extends out of the base 1, and the connecting block 33 is slidably connected to the slide groove 35; the connecting block 33 on the top of the sliding sleeve 32 is slidably connected to the slide groove 35 on the top surface of the base 1, thereby ensuring the stability and guidance of the lifting leg support mechanism during the translation process.

[0069] To further optimize the solution, a plurality of reinforcing ribs 37 are installed between the base 1 and the upright 2; the reinforcing ribs 37 serve to enhance the structural strength. When bearing the weight of the patient and the dynamic force during the operation, the reinforcing ribs 37 can effectively prevent the base 1 and the upright 2 from being deformed or damaged, thereby ensuring the safety and reliability of the device.

[0070] Further optimizing the scheme, a control system 36 is installed on the base 1, and the first motor 6, the second motor 11, the first electric push rod 16, the second electric push rod 24 and the screw motor 30 are all electrically connected to the control system 36;

[0071] The control system 36 is the center of the entire device, responsible for receiving user input (such as buttons, touch screens, etc.) and controlling the movement of each motor and electric push rod; in this embodiment, the user can select the required function through the interface of the control system 36, such as adjusting the height of the base 3, the horizontal position of the cross bar 4, the inclination angle of the footrest assembly, and the movement of the translation assembly, etc. The control system 36 will send control signals to the corresponding motors and electric push rods according to the user's instructions to achieve precise motion control.

[0072] To further optimize the solution, a scale is provided on the second electric push rod 24; the user can quickly judge and adjust the leg support assembly to a suitable height by observing the scale, thereby meeting different needs during the operation.

[0073] Further optimizing the scheme, fastening straps are installed on both sides of the outer wall of the L-shaped footrest 18, and the two fastening straps are detachably connected; the fastening straps are used to fix the patient's feet to prevent the footrest from falling off or shifting due to the patient's movement or leg muscle contraction during the operation;

[0074] In this embodiment, the fastening straps are made of a soft and elastic material to ensure the patient's comfort while providing sufficient fixing force; the two fastening straps are detachably connected, which is convenient for medical staff to adjust and fix according to the size and shape of the patient's feet; during the operation, medical staff can ensure that the patient's feet are stably fixed on the L-shaped foot rest 18 by tightening the fastening straps and fastening the connecting buckles.

[0075] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0076] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A lower limb stabilization support device for knee replacement surgery, characterized in that: include: A base (1), the base (1) being used to be connected to a bed body, a translation assembly being installed on one side of a top surface of the base (1), and a vertical rod (2) being installed on the other side; A lifting leg support mechanism, the lifting leg support mechanism is installed at the moving end of the translation assembly; A base bracket (3), the base bracket (3) being vertically slidably connected to the upright pole (2), and a first driving component being installed on the base bracket (3), and the first driving component being used to adjust the height of the base bracket (3); A cross bar (4), wherein the cross bar (4) is laterally slidably connected to the base (3), and a second driving assembly is installed on the cross bar (4), and the second driving assembly is used to adjust the horizontal position of the cross bar (4); A footrest assembly is installed on the crossbar (4) via an inclination adjustment assembly, and a temperature control assembly is installed in the footrest assembly.

2. The lower limb stabilization support device for knee replacement surgery according to claim 1, characterized in that: A first rack (5) is vertically mounted on the side wall of the upright (2); the first driving assembly comprises a first motor (6) mounted on the base (3); a first gear (7) is mounted on the output shaft of the first motor (6); the first gear (7) is meshed with the first rack (5) for transmission; A first slide rail (8) is vertically mounted on the vertical rod (2), a first slider (9) is mounted on one side of the bottom bracket (3), and the first slider (9) is slidably connected to the first slide rail (8).

3. The lower limb stabilization support device for knee replacement surgery according to claim 1, characterized in that: A second rack (10) is transversely mounted on the bottom surface of the crossbar (4); the second drive assembly comprises a second motor (11) mounted on the base (3); a second gear (12) is mounted on the output shaft of the second motor (11); the second gear (12) is meshed with the second rack (10) for transmission; A second slide rail (13) is fixedly mounted on the bottom of the cross bar (4), a second slider (14) is mounted on the top of the base (3), and the second slider (14) is slidably connected to the second slide rail (13).

4. The lower limb stabilization support device for knee replacement surgery according to claim 1, characterized in that: The tilt angle adjustment assembly comprises a support column (15) and a first electric push rod (16); The support (15) is fixedly mounted on one side of the top surface of the cross bar (4); the first electric push rod (16) is hinged on the side of the top surface of the cross bar (4) away from the support (15); two side plates (26) are installed on the top of the support (15); a first rotating shaft (17) is installed between the two side plates (26); the first rotating shaft (17) is rotatably connected to one side of the bottom surface of the foot support assembly; the top of the first electric push rod (16) is hinged to the side of the bottom surface of the foot support assembly away from the first rotating shaft (17).

5. The lower limb stabilization support device for knee replacement surgery according to claim 4, characterized in that: The footrest assembly comprises an L-shaped footrest (18), the top surface of the L-shaped footrest (18) is detachably connected to a flexible gasket (19), the side wall of the L-shaped footrest (18) is provided with an interlayer (20), and the temperature control assembly is installed in the interlayer (20); The first rotating shaft (17) is rotatably connected to one side of the bottom surface of the L-shaped footrest (18); the top of the first electric push rod (16) is hinged to the side of the bottom surface of the L-shaped footrest (18) away from the first rotating shaft (17).

6. The lower limb stabilization support device for knee replacement surgery according to claim 5, characterized in that: The temperature control component comprises a temperature controller (21), a temperature sensor (22) and a heating element (23); the heating element (23) is installed in the interlayer (20), the temperature sensor (22) is installed between the top surface of the L-shaped footrest (18) and the flexible gasket (19), the temperature controller (21) is installed at the bottom of the L-shaped footrest (18), and the heating element (23) and the temperature sensor (22) are both electrically connected to the temperature controller (21).

7. The lower limb stabilization support device for knee replacement surgery according to claim 1, characterized in that: The translation assembly comprises a screw motor (30) mounted on one side of the top surface of the base (1); the output shaft of the screw motor (30) is mounted with a screw rod (31) via a coupling; both ends of the screw rod (31) are connected to the base (1) via bearings; a sliding sleeve (32) is provided on the sliding sleeve of the screw rod (31), and the lifting leg support mechanism is mounted on the sliding sleeve (32).

8. The lower limb stabilization support device for knee replacement surgery according to claim 7, characterized in that: The lifting leg support mechanism comprises a second electric push rod (24) and a leg support assembly, wherein the bottom of the second electric push rod (24) is mounted on the sliding sleeve (32), and the leg support assembly is mounted on the telescopic end of the second electric push rod (24).

9. The lower limb stabilization support device for knee replacement surgery according to claim 8, characterized in that: The leg support assembly includes an upper top plate (25) installed on the telescopic end of the second electric push rod (24), and side plates (26) are installed on both sides of the top surface of the upper top plate (25). A second rotating shaft (27) is rotatably connected between the two side plates (26), and the outer sleeve of the second rotating shaft (27) is provided with an annular sponge pad (28); an arc plate is installed on the top of the side plate (26), and the outer sleeve of the arc plate is provided with an arc sponge pad (29).

10. The lower limb stabilization support device for knee replacement surgery according to claim 7, characterized in that: A mounting groove (34) is provided on the side wall of the base (1), the lead screw (31) and the lead screw motor (30) are both installed in the mounting groove (34), a slide groove (35) is provided on one side of the top surface of the base (1), the slide groove (35) is connected with the mounting groove (34), a connecting block (33) is installed on the top of the sliding sleeve (32), the connecting block (33) passes through the slide groove (35) and extends out of the base (1), and the connecting block (33) is slidably connected with the slide groove (35).

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