CN219614052U - Human body support lifting equipment for operation - Google Patents

Abstract

The utility model discloses human body supporting lifting equipment which comprises a bottom plate, wherein four supporting legs which are symmetrically arranged in pairs are fixedly arranged at the bottom of the bottom plate, upright posts are fixedly arranged at the top of the bottom plate, sliding grooves are formed in the top ends of the upright posts, telescopic columns are slidably arranged in the sliding grooves, and the top ends of the telescopic columns extend out of the sliding grooves and are fixedly provided with connecting seats. The utility model has reasonable design and good practicability, is convenient for stably placing the whole equipment at a proper position on the ground, is convenient for carrying out coarse adjustment and fine adjustment on the height position of the arc-shaped supporting plate, and can stably support the legs of a patient at the proper height position by utilizing the arc-shaped supporting plate so as to facilitate the operation of a doctor on the patient, meet the use requirement, and facilitate the fastening and fixing of the leg clamps of the patient on the arc-shaped supporting plate, thereby avoiding the leg of the patient from moving to influence the smooth operation in the operation process.

Description

Human body support lifting equipment for operation

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to human body supporting lifting equipment for operation.

Background

In an operating room, when a patient performs an operation on his or her legs, the patient needs to be supported at their leg positions in order for a doctor to perform the operation on the patient.

In the prior art, when a patient's leg is operated, an auxiliary supporting device such as a single crutch is often temporarily used for supporting the patient's leg, however, the leg supporting mode still has at least the following defects in actual operation: the stability of the leg support is unreliable, the phenomena of side position and offset are easy to occur, once larger displacement deviation occurs, medical accidents are easy to occur, and when the leg support is carried out by utilizing a single crutch, the leg of a patient can be supported at a fixed height position only because the height of the single crutch is fixed, the supporting height of the leg can not be adjusted according to the operation requirement of a doctor in operation, and the use requirement can not be met; for example, patent document CN214285718U discloses a limb support device for surgical operation, which does not solve the problem that the existing support device has a function of adjusting the elevation, and for this purpose, we propose a body support elevation apparatus for surgical operation for solving the above-mentioned problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides human body support lifting equipment for operation, which solves the problems that the stability of supporting legs is unreliable and side position and offset are easy to generate in a mode of supporting legs by adopting single turns, and the legs of a patient can only be supported at a fixed height position when the legs are supported by utilizing single turns, the supporting height of the legs can not be adjusted according to the operation requirement of doctors in operation, and the use requirement can not be met.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a human body supports jacking equipment for operation, comprising a base plate, four supporting legs that are two liang symmetries and set up are installed to the bottom fixed mounting of bottom plate, the top fixed mounting of bottom plate has the stand, the spout has been seted up on the top of stand, sliding mounting has the flexible post in the spout, the top of flexible post extends to outside the spout and fixed mounting has the connecting seat, the top of connecting seat is provided with the arc backup pad, the bottom fixed mounting of arc backup pad has the lifting column, the thread groove has been seted up to the bottom of lifting column, thread groove internal thread installs the screw thread post, the bottom of screw thread post extends to outside the thread groove, the installation chamber has been seted up in the connecting seat, fixed mounting has the axle bed on the bottom inner wall of installation chamber, the through-hole has been seted up on the top inner wall of installation chamber, the bottom of screw thread post runs through the through-hole and rotates with the top of axle bed and is connected, be provided with the fine setting assembly on the connecting seat, be provided with clamping assembly on the stand, be provided with the clamp positioning subassembly in the arc backup pad.

Preferably, the fine tuning assembly comprises a cross shaft, a driving bevel gear, a driven bevel gear, an adjusting hand wheel, a locking bolt and an anti-slip seat, wherein a mounting hole is formed in the left inner wall of the mounting cavity, the cross shaft is rotatably mounted in the mounting hole through a bearing, two ends of the cross shaft extend out of the mounting hole, the driving bevel gear is fixedly mounted at the right end of the cross shaft, the driven bevel gear is fixedly mounted on a threaded column and located in the mounting cavity, the driving bevel gear is meshed with the driven bevel gear, the adjusting hand wheel is fixedly mounted at the left end of the cross shaft, a first threaded hole is formed in one side of the adjusting hand wheel, the locking bolt is mounted in the first threaded hole in a threaded mode, two ends of the locking bolt extend out of the first threaded hole, the anti-slip seat is fixedly mounted at the right end of the locking bolt, and the anti-slip seat is contacted with the left outer wall of the connecting seat.

Preferably, the joint subassembly includes clamping lever, pull handle and spring, has seted up the slide opening on the right side inner wall of spout, clamping lever slidable mounting is downthehole at the slide, and outside the both ends of clamping lever all extended to the slide opening, pull handle fixed mounting is at the right-hand member of clamping lever, the right-hand member and the pull handle fixed connection of spring, the left end and the right side outer wall fixed connection of stand of spring, the spring housing is established on the clamping lever, a plurality of draw-in grooves have been seted up to the equidistant right side of telescopic column, the left end slidable mounting of clamping lever is in corresponding draw-in groove.

Preferably, the limiting grooves are formed in the inner walls of the two sides of the sliding groove, the limiting rods are fixedly mounted on the two sides of the telescopic column, the two limiting rods are respectively and slidably mounted in the corresponding limiting grooves, the L-shaped guide rod is fixedly mounted on the outer wall of the right side of the lifting column, the guide hole is formed in the inner wall of the top of the mounting cavity, and one end, far away from the lifting column, of the L-shaped guide rod penetrates through the guide hole in a sliding mode and is fixedly provided with the limiting plate.

Preferably, the clamping and positioning assembly comprises two baffles, two screw rods, two clamping plates and two rotating handles, wherein the two baffles are respectively and fixedly installed on two sides of the arc-shaped supporting plate, second threaded holes are formed in one sides, close to each other, of the two baffles, the two screw rods are respectively and threadedly installed in the corresponding second threaded holes, two ends of the screw rods are respectively and fixedly installed at one ends, close to each other, of the two screw rods, and the two rotating handles are respectively and fixedly installed at one ends, far away from each other, of the two screw rods.

Preferably, the first spongy cushion is fixedly arranged on one side, close to each other, of the two clamping plates, and the second spongy cushion positioned between the two baffle plates is fixedly arranged on the top of the arc-shaped supporting plate.

Preferably, the gravity seat is fixedly arranged at the center of the bottom plate, and the anti-skid pads are fixedly arranged at the bottom ends of the four supporting legs.

(III) beneficial effects

The utility model provides human body support lifting equipment for surgery. The beneficial effects are as follows:

(1) This a human body supports lifting device for operation through wholly placing this equipment in the position that needs to support of patient's leg below, utilizes four slipmats and ground contact, can increase the frictional resistance when four supporting legs and ground contact, utilizes the gravity seat, can reduce the holistic focus of this equipment, can steadily place this equipment subaerial, is difficult for taking place to shift and topple over during the use, has solved the stability unreliable when supporting the shank, easily produces the problem of side position and skew.

(2) This a human body supports jacking equipment for operation through utilizing the joint subassembly of being made up by clamping lever, pull handle and spring, conveniently carries out the coarse adjustment to the high position of arc backup pad, through utilizing the connection cooperation of the fine setting mechanism who constitutes by cross axle, initiative bevel gear, driven bevel gear, regulating hand wheel, lock bolt and anti-skidding seat combination, can realize finely tuning the high position of arc backup pad, and then through carrying out coarse adjustment and fine adjustment to the high position of arc backup pad, utilize the arc backup pad can support patient's shank at suitable high position, so that doctor can satisfy the user demand to patient's operation, the problem of can not adjusting the supporting height of shank according to the operation demand when doctor performs the operation has been solved.

(3) This a human body supports jacking equipment for operation, through utilizing the clamp positioning assembly that constitutes by two baffles, two lead screws, two splint and two turnbuckle combinations, can fasten patient's shank clamp and fix in the arc backup pad, avoid the operation in-process, patient's shank takes place to remove, can guarantee that operation work goes on smoothly, can further improve the stability to patient support is fixed.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front view of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 2.

In the figure: 1. a bottom plate; 2. support legs; 3. a column; 4. a chute; 5. a telescopic column; 6. a connecting seat; 7. an arc-shaped supporting plate; 8. lifting columns; 9. a thread groove; 10. a threaded column; 11. a mounting cavity; 12. a shaft seat; 13. a horizontal axis; 14. a driving bevel gear; 15. a driven bevel gear; 16. an adjusting hand wheel; 17. a locking bolt; 18. an antiskid base; 19. a clamping rod; 20. a pull handle; 21. a spring; 22. a clamping groove; 23. an L-shaped guide rod; 24. a baffle; 25. a screw rod; 26. a clamping plate; 27. a rotating handle; 28. a first foam pad; 29. a second sponge pad; 30. a gravity seat; 31. an anti-slip mat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, in the description of the present utility model, the meaning of "a plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1-4, the present utility model provides a technical solution: a human body supporting lifting device for operation comprises a bottom plate 1, four supporting legs 2 which are symmetrically arranged in pairs are fixedly arranged at the bottom of the bottom plate 1, a stand column 3 is fixedly arranged at the top of the bottom plate 1, a sliding groove 4 is arranged at the top end of the stand column 3, a telescopic column 5 is slidably arranged in the sliding groove 4, the top end of the telescopic column 5 extends out of the sliding groove 4 and is fixedly provided with a connecting seat 6, an arc-shaped supporting plate 7 is arranged above the connecting seat 6, the leg of a patient can be supported by utilizing the arc-shaped supporting plate 7, a lifting column 8 is fixedly arranged at the bottom of the arc-shaped supporting plate 7, a thread groove 9 is arranged at the bottom end of the lifting column 8, a thread column 10 is arranged in the thread groove 9 in a thread way, the bottom end of the thread column 10 extends out of the thread groove 9, the installation cavity 11 has been seted up in the connecting seat 6, fixed mounting has axle bed 12 on the bottom inner wall of installation cavity 11, the through-hole has been seted up on the top inner wall of installation cavity 11, the bottom of screw post 10 runs through the through-hole and rotates with the top of axle bed 12 and be connected, be provided with the trimming module on the connecting seat 6, utilize fine setting mechanism, can realize finely adjusting the high position of arc backup pad 7, be provided with the joint subassembly on the stand 3, utilize the joint subassembly, can realize fixing after carrying out the coarse adjustment to the high position of arc backup pad 7, be provided with on the arc backup pad 7 and press from both sides tight locating component, utilize the tight locating component of clamp fastening of shank clamp of patient on the arc backup pad 7, avoid the operation in-process, the shank of patient takes place to remove.

In this embodiment, the trimming subassembly includes cross axle 13, initiative bevel gear 14, driven bevel gear 15, regulating hand wheel 16, locking bolt 17 and anti-skidding seat 18, the mounting hole has been seted up on the left side inner wall of installation cavity 11, cross axle 13 passes through the bearing rotation and installs in the mounting hole, the both ends of cross axle 13 all extend to the mounting hole outside, initiative bevel gear 14 fixed mounting is at the right-hand member of cross axle 13, driven bevel gear 15 fixed mounting is on screw thread post 10 and be located installation cavity 11, initiative bevel gear 14 meshes with driven bevel gear 15, regulating hand wheel 16 fixed mounting is at the left end of cross axle 13, first screw hole has been seted up to one side of regulating hand wheel 16, locking bolt 17 screw thread installation is at first screw hole, the both ends of locking bolt 17 all extend to first screw hole outside, anti-skidding seat 18 fixed mounting is at the right-hand member of locking bolt 17, anti-skidding seat 18 contacts with the left side outer wall of connecting seat 6, utilize the meshing transmission of initiative bevel gear 14 and driven bevel gear 15, steerable screw thread post 10 rotates, utilize screw thread connection cooperation of screw thread post 10 and thread groove 9, steerable lift post 8 drive backup pad 7 or the height-adjusting hand wheel 7, the height is realized to the arc-shaped resistance is adjusted to the support plate 7, and the arc-shaped resistance is adjusted to the position is adjusted to the arc-shaped, and the effect is further improved.

In this embodiment, the joint subassembly includes draw-in bar 19, pull handle 20 and spring 21, the slide hole has been seted up on the right side inner wall of spout 4, draw-in bar 19 slidable mounting is downthehole in the slide, the both ends of draw-in bar 19 all extend to outside the slide hole, pull handle 20 fixed mounting is at the right-hand member of draw-in bar 19, the right-hand member and the pull handle 20 fixed connection of spring 21, the left end and the right side outer wall fixed connection of stand 3 of spring 21, the spring 21 cover is established on draw-in bar 19, a plurality of draw-in grooves 22 have been seted up on equidistant on the right side of telescopic column 5, the left end slidable mounting of draw-in bar 19 is in corresponding draw-in groove 22, utilize the joint cooperation of draw-in bar 19 and corresponding draw-in groove 22, can fix the position of telescopic column 5, and then fix the high position after carrying out the coarse adjustment to arc backup pad 7, utilize the elasticity effect of spring 21, steerable draw-in bar 20 and draw-in bar 19 automatic re-setting.

In this embodiment, the spacing groove has all been seted up on the both sides inner wall of spout 4, the equal fixed mounting of both sides of telescopic column 5 has the gag lever post, two gag lever posts slidable mounting respectively in corresponding spacing inslot, fixed mounting has L type guide arm 23 on the right side outer wall of lifting column 8, the guiding hole has been seted up on the top inner wall of installation cavity 11, the one end that lifting column 8 was kept away from to L type guide arm 23 is slided and is run through the guiding hole and fixed mounting has the limiting plate, utilize the sliding connection of gag lever post in the spacing groove, can carry out spacingly to the sliding travel of telescopic column 5, utilize the sliding connection cooperation of L type guide arm 23 in the guiding groove, can lead to the direction of movement of lifting column 8, utilize the limiting plate, can carry out spacingly to the lifting travel of lifting column 8.

In this embodiment, press from both sides tight locating component includes two baffles 24, two lead screws 25, two splint 26 and two turnhandles 27, two baffles 24 are fixed mounting respectively in the both sides of arc backup pad 7, the second screw hole has all been seted up to the one side that two baffles 24 are close to each other, two lead screws 25 are threaded mounting respectively at corresponding second screw hole, the both ends of lead screw 25 all extend to the second screw hole outside, two splint 26 are fixed mounting respectively in the one end that two lead screws 25 are close to each other, two turnhandles 27 are fixed mounting respectively in the one end that two lead screws 25 kept away from each other, utilize two turnhandles 27, be convenient for rotate corresponding lead screw 25, and then can adjust the interval between two splint 26, utilize two splint 26 can fix patient's shank centre gripping on arc backup pad 7.

In this embodiment, two splint 26 are all fixed mounting in one side that is close to each other have first foam-rubber cushion 28, and the top fixed mounting of arc backup pad 7 has the second foam-rubber cushion 29 that is located between two baffles 24, through setting up first foam-rubber cushion 28, improves the travelling comfort that patient's shank was placed on arc backup pad 7, through setting up two second foam-rubber cushions 29, improved the travelling comfort when carrying out the centre gripping fixed to patient's shank.

In this embodiment, the bottom central point of bottom plate 1 puts fixed mounting and has gravity seat 30, and the equal fixed mounting of bottom of four supporting legs 2 has slipmat 31, through setting up gravity seat 30, has reduced the holistic focus of this equipment, and is more steady when placing this equipment subaerial, can not take place to empty crookedly, utilizes four slipmat 31, has increased the frictional resistance when supporting leg 2 and ground contact for this equipment steadily is difficult for taking place to shift when placing subaerial.

When in use, the whole equipment is placed at a position which needs to be supported below the legs of a patient, the friction resistance of the four supporting legs 2 when the four supporting legs are contacted with the ground can be increased by utilizing the contact of the four anti-slip pads 31, the gravity seat 30 can be utilized to lower the whole gravity center of the equipment, the equipment can be stably placed on the ground, displacement and tilting are not easy to occur when in use, the pull handle 20 is pulled to move in a direction away from the upright post 3, the spring 21 is pulled to stretch and deform to generate elasticity, the fixing of the telescopic column 5 is released when the clamping rod 19 is pulled out of the corresponding clamping groove 22, the telescopic column 5 is lifted up, the connecting seat 6, the lifting column 8 and the arc-shaped supporting plate 7 are driven by the telescopic column 5 to slide up in the corresponding limiting grooves respectively, the arc-shaped supporting plate 7 is regulated up to a proper height position, the pull handle 20 is released again, under the action of the elastic force of the spring 21, the clamping rod 19 can be controlled to be inserted into the corresponding clamping groove 22, the telescopic column 5 with the adjusted position can be fixed by utilizing the clamping fit of the clamping rod 19 and the corresponding clamping groove 22, namely the height position of the arc-shaped supporting plate 7 after coarse adjustment is fixed, the locking bolt 17 is rotated anticlockwise, the locking bolt 17 drives the anti-sliding seat 18 to rotate and move away from the connecting seat 6, the anti-sliding seat 18 is released from being fixed with the connecting seat 6, the adjusting hand wheel 16 is rotated clockwise, the transverse shaft 13 and the driving bevel gear 14 are driven to rotate clockwise by rotating the adjusting hand wheel 16, the threaded column 10 can be controlled to rotate by utilizing the meshing transmission of the driving bevel gear 14 and the driven bevel gear 15, the arc-shaped supporting plate 7 can be driven to rise by utilizing the threaded connection fit of the threaded column 10 and the threaded groove 9, when the arc-shaped supporting plate 7 is adjusted to a proper height position, the adjusting hand wheel 16 is stopped to rotate, the locking bolt 17 is rotated clockwise, the locking bolt 17 drives the anti-sliding seat 18 to rotate and move towards the direction close to the connecting seat 6, so that when the anti-sliding seat 18 is tightly contacted with the connecting seat 6, the fixing of the adjusting hand wheel 16 is finished, the rotation of the adjusting hand wheel 16 can be limited, the stability of the height position of the arc-shaped supporting plate 7 is enhanced, further, the height position of the arc-shaped supporting plate 7 is convenient to be micro-adjusted, the leg of a patient is conveniently placed on the arc-shaped supporting plate 7 and supported at the proper height position, so that the operation of a doctor on the patient can be satisfied, the use requirement can be met, when the arc-shaped supporting plate 7 is adjusted to the proper height position, the leg of the patient is placed between the two clamping plates 26 on the arc-shaped supporting plate 7, by rotating the two rotating handles 27 clockwise, the two rotating handles 27 drive the corresponding screw rod 25 and the clamping plates 26 to rotate and horizontally move, the distance between the two clamping plates 26 is gradually reduced, when the first spongy cushion 28 on the two clamping plates 26 is respectively in close contact with the two sides of the legs of a patient, the two rotating handles 27 are stopped, the legs of the patient can be clamped and fixed on the arc-shaped supporting plate 7 by the two clamping plates 26, the legs of the patient are prevented from moving to influence the smooth operation in the operation process, after the operation is finished, the distance between the two clamping plates 26 can be controlled to be gradually increased by rotating the two rotating handles 27 anticlockwise, the clamping and fixing of the legs of the patient can be relieved, the anti-skid seat 18 is adjusted to be out of contact with the connecting seat 6 by rotating the locking bolt 17 anticlockwise, namely the fixing of the adjusting hand wheel 16 is relieved, by rotating the adjusting hand wheel 16 anticlockwise, the lifting column 8 can be controlled to drive the arc-shaped supporting plate 7 to descend to the original position, the clamping rod 19 is pulled out of the corresponding clamping groove 22, the telescopic column 5 can be pushed down to the lowest position, and the arc-shaped supporting plate 7 can be adjusted to be placed at a low position.

To sum up, this a human body supports lifting device for operation is convenient for place this equipment is whole firm subaerial suitable position, is convenient for carry out coarse adjustment and fine adjustment to the high position of arc backup pad 7, utilizes arc backup pad 7 can be with patient's shank steady rest in suitable high position to the doctor can satisfy the user demand to patient's operation, and is convenient for fix patient's shank clamp on arc backup pad 7, avoids the operation in-process, and patient's shank takes place to remove and influences operation work and go on smoothly.

Claims (7)

1. A body supporting lifting device for surgery, comprising a base plate (1), characterized in that: the utility model discloses a rotary support device, including base plate (1), screw thread groove (9) are offered at the bottom of base plate (1), stand (3) are offered at the top fixed mounting that is two liang symmetry setting to the bottom of base plate (1), spout (4) have been offered on the top of stand (3), sliding mounting has telescopic column (5) in spout (4), the top of telescopic column (5) extends to spout (4) is outer and fixed mounting has connecting seat (6), the top of connecting seat (6) is provided with arc backup pad (7), the bottom fixed mounting of arc backup pad (7) has elevating column (8), screw thread groove (9) have been offered to the bottom of elevating column (8), screw thread groove (9) internally screw thread installs screw thread post (10), the bottom of screw thread post (10) extends to outside screw thread groove (9), install installation cavity (11) in connecting seat (6), fixedly mounted has shaft seat (12) on the bottom inner wall of installation cavity (11), set up the through-hole on the top inner wall of installation cavity (11), bottom of connecting seat (10) and screw thread assembly (3) have, the bottom of connecting seat (6) is connected with the screw thread assembly, and the arc-shaped supporting plate (7) is provided with a clamping and positioning assembly.

2. A body support lifting device for surgery as claimed in claim 1, wherein: the fine tuning assembly comprises a transverse shaft (13), a driving bevel gear (14), a driven bevel gear (15), an adjusting hand wheel (16), a locking bolt (17) and an anti-slip seat (18), wherein a mounting hole is formed in the left side inner wall of the mounting cavity (11), the transverse shaft (13) is rotatably mounted in the mounting hole through a bearing, two ends of the transverse shaft (13) all extend to the outside of the mounting hole, the driving bevel gear (14) is fixedly mounted at the right end of the transverse shaft (13), the driven bevel gear (15) is fixedly mounted on a threaded column (10) and located in the mounting cavity (11), the driving bevel gear (14) is meshed with the driven bevel gear (15), a first threaded hole is formed in one side of the adjusting hand wheel (16), the locking bolt (17) is in threaded mounting in the first threaded hole, two ends of the locking bolt (17) all extend to the outside of the first threaded hole, and the driving bevel gear (14) is fixedly mounted at the right end of the adjusting hand wheel (16) is fixedly mounted at the left end of the transverse shaft (13) and in contact with the anti-slip seat (6).

3. A body support lifting device for surgery as claimed in claim 1, wherein: the clamping assembly comprises a clamping rod (19), a pull handle (20) and a spring (21), wherein a sliding hole is formed in the inner wall of the right side of the sliding groove (4), the clamping rod (19) is slidably mounted in the sliding hole, two ends of the clamping rod (19) are all extended out of the sliding hole, the pull handle (20) is fixedly mounted at the right end of the clamping rod (19), the right end of the spring (21) is fixedly connected with the pull handle (20), the left end of the spring (21) is fixedly connected with the outer wall of the right side of the upright post (3), the spring (21) is sleeved on the clamping rod (19), a plurality of clamping grooves (22) are formed in the right side of the telescopic post (5) at equal intervals, and the left end of the clamping rod (19) is slidably mounted in the corresponding clamping grooves (22).

4. A body support lifting device for surgery as claimed in claim 1, wherein: limiting grooves are formed in the inner walls of the two sides of the sliding groove (4), limiting rods are fixedly mounted on the two sides of the telescopic column (5), the limiting rods are respectively and slidably mounted in the corresponding limiting grooves, an L-shaped guide rod (23) is fixedly mounted on the outer wall of the right side of the lifting column (8), a guide hole is formed in the inner wall of the top of the mounting cavity (11), and one end, far away from the lifting column (8), of the L-shaped guide rod (23) is slidably penetrated through the guide hole and fixedly mounted with a limiting plate.

5. A body support lifting device for surgery as claimed in claim 1, wherein: the clamping and positioning assembly comprises two baffles (24), two screw rods (25), two clamping plates (26) and two rotating handles (27), wherein the two baffles (24) are fixedly installed on two sides of an arc-shaped supporting plate (7) respectively, second threaded holes are formed in one sides, close to each other, of the baffles (24), the two screw rods (25) are installed in the corresponding second threaded holes in a threaded mode respectively, two ends of the screw rods (25) extend out of the second threaded holes, the two clamping plates (26) are fixedly installed at one ends, close to each other, of the screw rods (25), and the two rotating handles (27) are fixedly installed at one ends, far away from each other, of the screw rods (25) respectively.

6. A body support lift apparatus for surgery as in claim 5 wherein: the two clamping plates (26) are fixedly arranged on one sides close to each other, a first foam cushion (28) is fixedly arranged on the top of the arc-shaped supporting plate (7), and a second foam cushion (29) positioned between the two baffle plates (24) is fixedly arranged on the top of the arc-shaped supporting plate.

7. A body support lifting device for surgery as claimed in claim 1, wherein: the bottom center position of the bottom plate (1) is fixedly provided with a gravity seat (30), and the bottom ends of the four supporting legs (2) are fixedly provided with anti-slip pads (31).