Body position assistance device

Abstract

The present application relates to a kind of body position auxiliary device, including safety baffle, first let slot is opened in the middle of the safety baffle, lower limb fixing assembly and upper limb fixing assembly can be slidably arranged in the first let slot, first tooth slot is opened symmetrically in the lower side of the first let slot, a plurality of fixed components are fixed on the both sides of the safety baffle, the lower limb fixing assembly includes foot sole fixed structure, calf limiting structure, popliteal fossa limiting structure, the upper limb fixing assembly includes height adjusting structure and palm fixed structure. The effect that patient can be assisted to carry out knee action and fixed body position is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical auxiliary devices, in particular to a body position auxiliary device. BACKGROUND

[0002] The anesthesia drugs are injected into the subarachnoid space or epidural space of the spinal canal, and the spinal nerve root is blocked to produce anesthesia effect on the corresponding area dominated by the nerve root, which is collectively referred to as intraspinal anesthesia. According to the injection position, it can be divided into subarachnoid anesthesia (also known as spinal anesthesia or lumbar anesthesia), epidural block, combined spinal-epidural anesthesia, and sacral block anesthesia. At present, some abdominal and lower extremity surgeries such as cesarean section often require intraspinal anesthesia. Before anesthesia puncture, the patient needs to lie on the operating table in a low head, arching, and two hands holding knees posture to fully stretch the interspinal space for puncture.

[0003] However, the following problems often exist in the current anesthesia puncture operation process.

[0004] One: the patient's arching and knee-holding posture is difficult to achieve the required waist bending procedure, and needs to be adjusted multiple times, which is time-consuming and laborious.

[0005] Two: patients who cannot hold their knees by themselves need the assistance of medical staff, which is labor-intensive for medical staff.

[0006] Three: the patient's own knee-holding or the medical staff's assistance in knee-holding is unstable, which will bring certain difficulty to the medical staff's puncture, and is easy to cause needle breakage or nerve damage, causing disability to the patient.

[0007] Therefore, it is necessary to design a body position auxiliary device that can assist patients in knee-holding and fix the body position. SUMMARY

[0008] In view of the problems in the prior art, the present application provides a body position auxiliary device. The function of assisting patients in knee-holding and fixing the body position is achieved.

[0009] The technical scheme adopted by the present application to solve its technical problems is: a body position auxiliary device, comprising a safety baffle, a first gap is opened in the middle of the safety baffle, a lower limb fixing assembly and an upper limb fixing assembly are slidably arranged in the first gap, first tooth grooves are symmetrically opened below both sides in the first gap, the lower limb fixing assembly comprises a first gear wheel rotatably arranged in the first tooth groove, the first gear wheel is rotatably arranged on a first rotating shaft, a first motor is fixedly arranged between the first rotating shafts, the first motor is fixedly arranged in a first moving block, a first baffle is fixedly arranged above the first moving block, footboards are fixedly arranged on both sides of the first baffle, a foot sole fixing structure is arranged above the footboards, popliteal fossa limiting structures and calf limiting structures are arranged on both sides of the upper part of the first baffle, a first cavity and a second cavity are opened in the inside of the first baffle, the upper limb fixing assembly comprises a second gear wheel rotatably arranged in the first tooth groove, the second gear wheel is rotatably arranged on a second rotating shaft, a second motor is fixedly arranged between the second rotating shafts, the second motor is fixedly arranged in a second moving block, a height adjusting structure is arranged in the second moving block, a palm fixing structure is fixedly arranged above the height adjusting structure, a plurality of fixing assemblies are fixedly arranged on both sides of the safety baffle. When anesthesia puncture is needed for a patient, medical staff first needs to vertically fix the safety baffle on one side of a hospital bed through the fixing assemblies, then the patient fixes the foot sole in the foot sole fixing structure to fix the foot sole, places the thigh on the popliteal fossa limiting structure, and makes the popliteal fossa limiting structure clamped at the popliteal fossa, then the patient can fix the palms in the palm fixing structure, then the medical staff can change the angle between the thigh and the calf by controlling the third motor, and fix the lower limbs to make them not move at will, then the first motor and the second motor are controlled to move the lower limb fixing assembly and the upper limb fixing assembly towards each other, while the upper limb fixing assembly moves, the height adjusting structure also operates to slowly lower, and stops when reaching the bearing limit position of the patient, so that the fixing of the knee-hugging position is completed, and anesthesia puncture can be performed next. The effect of assisting the patient to perform the knee-hugging action and fixing the body position is realized.

[0010] Specifically, the foot sole fixing structure comprises a foot sleeve fixedly arranged on the footboard, a plurality of first limiting through holes are opened in the footboard, a fixing rope is fixedly arranged in the first limiting through hole, a rope collector is fixedly arranged in the first cavity, the fixing rope is wound outside the foot sleeve, penetrates through the outside of the first baffle, and is fixedly arranged in the rope collector, the rope collector is electrically driven and can be controlled externally, and the rope collector is a prior art.

[0011] Specifically, the popliteal fossa limiting structure comprises a third rotating shaft rotatably arranged in the second cavity, a third motor fixedly arranged on one side of the third rotating shaft, a rotating rod rotatably arranged in the middle of the third rotating shaft, a fixed ring fixedly arranged at the end of the rotating rod away from the third rotating shaft, a fourth rotating shaft rotatably arranged in the fixed ring, first gears fixedly arranged on both sides of the proximal end of the fourth rotating shaft, first fixed plates fixedly arranged on both sides of the distal end of the fourth rotating shaft, second gears fixedly arranged on the inner walls of the second cavity on both sides, the second gears being meshingly arranged with the first gears, the diameters of the second gears being greater than the diameters of the first gears, and arc-shaped limiting grooves being formed in the second fixed plates on both sides.

[0012] Specifically, the calf limiting structure comprises third gears fixedly arranged on both sides of the third rotating shaft, fourth gears vertically meshingly arranged with the third gears, a fifth rotating shaft, a fifth gear fixedly arranged on one side of the fifth rotating shaft away from the fourth gears, a sixth gear vertically meshingly arranged above the fifth gear, a sixth rotating shaft, a seventh gear fixedly arranged on one side of the sixth rotating shaft away from the sixth gear, and first moving rods meshingly arranged on one side of the sixth gear and the seventh gear.

[0013] Specifically, the height adjusting mechanism comprises eighth gears fixedly arranged on both sides of the second rotating shaft, ninth gears vertically meshingly arranged on one side of the eighth gears, the directions of meshing of the two ninth gears being opposite, seventh rotating shafts, tenth gears fixedly arranged on one side of the seventh gears away from the ninth gears, rotating barrels meshingly arranged on one side of the tenth gears, the rotating barrels being rotatably arranged on the lower inner walls of the second moving blocks, screw grooves being formed in the interiors of the rotating barrels, screw rods being meshingly arranged in the interiors of the rotating barrels, and telescopic plates fixedly arranged above the second moving blocks.

[0014] Specifically, the palm fixing structure comprises a second baffle fixed above the threaded rod and the telescopic plate, a third cavity is formed in the second baffle, a long handle is arranged through the second baffle, side baffles are fixed at both ends of the long handle, a fourth cavity is formed in the side baffles, the fourth cavity is located between the side baffles and the second baffle, a glove is fixed on the long handle, a plurality of partitions are fixed in the fourth cavity, a binding rope is wound around the long handle between every two partitions, the binding rope passes through the glove and enters the second baffle, a rotating ring is rotatably arranged on the long handle, a plurality of second fixing plates are fixed on the rotating ring, the binding rope is fixed on the second fixing plates, a handle is fixed on the rotating ring, the handle penetrates out of the second baffle, and elastic binding belts are fixed outside the side baffles.

[0015] Specifically, the fixing assembly comprises clamping plates fixed on both sides of the safety baffle, and lock bolts are rotatably arranged on the clamping plates.

[0016] The present application has the following advantages:

[0017] The present application relates to a body position auxiliary device, which can assist patients in performing knee bending action and fixing body position. The present application comprises a safety baffle, a first gap is formed in the middle of the safety baffle, a lower limb fixing assembly and an upper limb fixing assembly are slidably arranged in the first gap, first tooth grooves are symmetrically formed below both sides of the first gap, and a plurality of fixing assemblies are fixed on both sides of the safety baffle. The lower limb fixing assembly comprises a foot palm fixing structure, a popliteal fossa limiting structure and a lower leg limiting structure, the foot palm fixing structure can fix the foot palm of the patient, the popliteal fossa limiting structure and the lower leg limiting structure can adjust the angle between the upper leg and the lower leg of the patient and limit and fix the same, so that the body position of the patient does not change randomly during the operation process, and the knee bending action of the patient is completed; the upper limb fixing assembly comprises a height adjusting structure and a palm fixing structure, the patient can put the palm into the palm fixing structure and fix it at the beginning, then drives the motor according to the bearing degree of the patient to move the upper limb fixing assembly and the lower limb fixing assembly towards each other, while the upper limb fixing assembly moves, the height adjusting structure lowers the height of the palm fixing structure, so that the patient completes the body position of knee bending and back bending and is limited and fixed. The present application can assist patients in performing knee bending action and fixing body position. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in combination with the drawings and examples.

[0019] Figure 1 The present application is a structural schematic diagram;

[0020] Figure 2is a front view of the application;

[0021] Figure 3 is Figure 2 is a sectional view at line A-A;

[0022] Figure 4 is Figure 3 is an enlarged view at A;

[0023] Figure 5 is Figure 3 is an enlarged view at B;

[0024] Figure 6 is a schematic view of the lower limb fixation assembly;

[0025] Figure 7 is Figure 6 is a top view;

[0026] Figure 8 is Figure 7 is a sectional view at line B-B;

[0027] Figure 9 is a front isometric view of the popliteal space limiting structure and the lower leg limiting structure;

[0028] Figure 10 is a back isometric view of the popliteal space limiting structure and the lower leg limiting structure;

[0029] Figure 11 is a schematic view of the lower limb fixation assembly;

[0030] Figure 12 is a schematic view of the height adjustment structure;

[0031] Figure 13 is a schematic view of the palm fixation structure;

[0032] Figure 14 is Figure 13 is a front isometric view with the second baffle and the side baffle removed;

[0033] In the figure: 1, safety baffle; 2, first displacement slot; 3, lower limb fixing assembly; 4, upper limb fixing assembly; 5, first gear slot; 6, fixing assembly; 31, first gear; 32, first rotating shaft; 33, first motor; 34, first moving block; 35, first baffle; 36, pedal; 37, foot sole fixing structure; 38, popliteal fossa limiting structure; 39, lower leg limiting structure; 310, first cavity; 311, second cavity; 41, second gear; 42, second rotating shaft; 43, second motor; 44, second moving block; 45, height adjusting structure; 46, palm fixing structure; 371, foot cover; 372, first limiting through hole; 373, fixing rope; 374, rope collector; 381, third rotating shaft; 382, third motor; 383, rotating rod; 384, fixing ring; 385, fourth rotating shaft; 386, first gear; 387, second gear; 388, arc-shaped limiting slot; 389, first fixing plate; 391, third gear; 392, fourth gear; 393, fifth rotating shaft; 394, fifth gear; 395, sixth gear; 396, sixth rotating shaft; 397, seventh gear; 398, first moving rod; 399, slot hole; 3910, first connecting plate; 3911, pad plate; 451, eighth gear; 452, ninth gear; 453, seventh rotating shaft; 454, tenth gear; 455, rotating barrel; 456, screw groove; 457, screw rod; 458, telescopic plate; 461, second baffle; 462, third cavity; 463, long holding rod; 464, side baffle; 465, fourth cavity; 466, glove; 467, partition plate; 468, binding rope; 469, rotating ring; 4610, second fixing plate; 4611, handle; 4612, elastic binding belt; 61, clamping plate; 62, locking bolt; DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application is further described below in combination with specific embodiments.

[0035] As Figures 1-14As shown, the body position auxiliary device comprises a safety baffle 1, a first gap 2 is opened in the middle of the safety baffle 1, a lower limb fixing assembly 3 and an upper limb fixing assembly 4 are slidably arranged in the first gap 2, first tooth grooves 5 are symmetrically opened below both sides of the first gap 2, the lower limb fixing assembly 3 comprises a first gear 31 rotatably arranged in the first tooth groove 5, the first gear 31 is rotatably arranged on a first rotating shaft 32, a first motor 33 is fixedly arranged between the first rotating shaft 32, the first motor 33 is fixedly arranged in a first moving block 34, a first baffle 35 is fixedly arranged above the first moving block 34, footboards 36 are fixedly arranged on both sides of the first baffle 35, palm fixing structures 37 are arranged above the footboards 36, popliteal fossa limiting structures 38 and calf limiting structures 39 are arranged on both sides of the upper part of the first baffle 35, a first cavity 310 and a second cavity 311 are opened in the first baffle 35, the upper limb fixing assembly 4 comprises a second gear 41 rotatably arranged in the first tooth groove 5, the second gear is rotatably arranged on a second rotating shaft 42, a second motor 43 is fixedly arranged between the second rotating shaft 32, the second motor 43 is fixedly arranged in a second moving block 44, height adjusting structures 45 are arranged in the second moving block 44, palm fixing structures 46 are fixedly arranged above the height adjusting structures 45, a plurality of fixing assemblies 6 are fixedly arranged on both sides of the safety baffle 1. When anesthesia puncture is needed for a patient, medical staff first needs to vertically fix the safety baffle 1 on one side of a hospital bed through the fixing assembly 6, then the patient fixes the footpalm in the palm fixing structure 37 to fix the footpalm, places the thigh on the popliteal fossa limiting structure 38, and makes the popliteal fossa limiting structure 38 clamped at the popliteal fossa, then the patient can fix the hands in the palm fixing structure 46, then the medical staff can change the angle between the thigh and the calf by controlling the third motor 382, and fix the lower limbs of the patient, so that the patient cannot move at will, then the first motor 33 and the second motor 43 are controlled to move the lower limb fixing assembly 3 and the upper limb fixing assembly 4 towards each other, while the upper limb fixing assembly 4 moves, the height adjusting structure 45 also operates to slowly lower, and stops when reaching the bearing limit position of the patient, so that the fixing of the kneeling position is completed, and anesthesia puncture can be performed next. The effect of assisting the patient to perform the kneeling action and fixing the body position is realized.

[0036] As Figure 1 、 Figure 2 、 Figure 6As shown, the foot fixing structure 37 includes a foot cover 371 fixed on the pedal 36, a plurality of first limiting through holes 372 are formed in the pedal 37, a fixing rope 373 is fixed in the first limiting through holes 372, a rope collector 374 is fixed in the first cavity 310, the fixing rope 373 is arranged outside the foot cover 371 and penetrates the outside of the first baffle 35 and is fixed in the rope collector 374, the rope collector 374 is electrically driven and can be controlled externally, and the rope collector 374 is a prior art, and the fixing rope 373 is made of a material with certain elasticity. When the patient puts his foot into the foot cover 371, the medical staff can control the rope collector 371 to move, so that the fixing rope 373 is retracted into the rope collector 374, thereby fixing the patient's foot, and the effect of fixing the patient's foot is achieved.

[0037] As shown in Figure 1 , Figure 6 , Figures 8-10 As shown, the popliteal fossa limiting structure 38 includes a third rotating shaft 381 rotatably arranged in the second cavity 311, a third motor 382 is fixed on one side of the third rotating shaft 381, a rotating rod 383 is rotatably arranged in the middle of the third rotating shaft 381, a fixing ring 384 is fixed on one end of the rotating rod 383 away from the third rotating shaft 381, a fourth rotating shaft 385 is rotatably arranged in the fixing ring 384, first gears 386 are fixed on both sides of the proximal end of the fourth rotating shaft 385, first fixing plates 389 are fixed on both sides of the distal end of the fourth rotating shaft 385, second gears 387 are fixed on both sides of the inner wall of the second cavity 311, the second gears 387 are arranged in meshing with the first gears 386, the diameters of the second gears 387 are greater than the diameters of the first gears 386, and arc-shaped limiting grooves 388 are formed in both sides of the first baffle 35. When the patient puts the popliteal fossa into the popliteal fossa limiting structure 38, the medical staff can control the third motor 382 to start, drive the third rotating shaft 381 to rotate, make the rotating rod 383 and the fixing ring 384 rotate, make the fourth rotating shaft 385 move in the arc-shaped limiting groove 388, drive the first fixing plate 389 to move along the track of the arc-shaped limiting groove 388; while the fourth rotating shaft 385 moves, the first gear 386 and the second gear 387 mesh and move, the fourth rotating shaft 385 rotates, the first fixing plate 389 rotates, the patient's knee moves backward, and the angle between the patient's thigh and calf is increased, the angle between the patient's thigh and calf can be changed according to the patient's physical condition, the effect of changing and fixing the position of the patient's popliteal fossa is achieved.

[0038] As shown in Figure 1 , Figure 6 , Figures 8-10As shown, the calf limiting structure 39 includes third gears 391 fixed on both sides of the third rotating shaft 381 respectively, the third gears 391 are vertically engaged with fourth gears 392, the fourth gears 392 are fixed on a fifth rotating shaft 393, the fifth rotating shaft 393 is rotatably arranged on the side inner wall of the second cavity 311, the fifth rotating shaft 393 is fixed with a fifth gear 394 on the side away from the fourth gear 392, a sixth gear 395 is vertically engaged above the fifth gear 394, the sixth gear is fixed on a sixth rotating shaft 396, the sixth rotating shaft 396 is rotatably arranged on the upper inner wall of the second cavity 311, the sixth rotating shaft 311 is fixed with a seventh gear 397 on the side away from the sixth gear 395, the sixth gear 395 and the seventh gear 397 are respectively engaged with a first moving rod 398 on one side, a plurality of slot holes 399 are formed on one side of the first moving rod 398, the slot holes 399 are engaged with the sixth gear 395 and the seventh gear 397, the first moving rod 398 penetrates through the first baffle 35, a first connecting plate 3910 is fixed at the end of the first moving rod 398, a backing plate 3911 is fixed on one side of the first connecting plate 3910, the material of the backing plate 3911 is sponge material with certain ductility. When the patient puts the popliteal fossa into the popliteal fossa limiting structure 38, the third motor 382 is driven to rotate the third rotating shaft 381, which in turn drives the third gear 391 to rotate, and then drives the fourth gear 392, the fifth rotating shaft 393, the fifth gear 394, the sixth gear 395 and the seventh gear 397 to rotate, the sixth gear 395 and the seventh gear 397 rotate, which drives the first moving rod 398 to move inward, and at the same time drives the first connecting plate 3910 and the backing plate 3911 to move inward, limiting the calf of the patient, that is, when the popliteal fossa limiting structure 38 moves, the calf limiting structure 39 moves, the first fixed plate 389 moves slowly and rotates at the same time, and the backing plate 3911 moves inward, simulating the action of standing up after bending the knee, limiting and fixing the calf and popliteal fossa of the patient, adapting to various angles of bending the knee, realizing the change and fixation effect of the bending knee position of the patient.

[0039] As Figure 1 , Figures 11-12As shown, the height adjusting mechanism 45 includes an eighth gear 451 fixed on both sides of the second rotating shaft 32, respectively, one side of the eighth gear 451 vertically engages a ninth gear 452, the two ninth gears 452 are opposite in engagement direction, the ninth gear 452 is fixed on a seventh rotating shaft 453, the seventh rotating shaft 453 is rotatably arranged on the lower inner wall of the second moving block 44, a tenth gear 454 is fixed on the side of the seventh gear 452 away from the ninth gear 452, one side of the tenth gear 454 engages a rotating barrel 455, the rotating barrel 455 is rotatably arranged on the lower inner wall of the second moving block 44, a threaded groove 456 is formed in the interior of the rotating barrel 455, a threaded rod 457 is engaged in the interior of the rotating barrel 455, and an extension plate 458 is fixed above the second moving block 44. When the patient's palm is fixed after being inserted into the palm fixing structure 46, the medical staff drives the second motor 43 to rotate the second rotating shaft 32, so that the second gear 41 rotates in the tooth groove 5, drives the height adjusting mechanism 45 to move, and the second rotating shaft 32 rotates at the same time, in turn drives the eighth gear 451, the ninth gear 452, the seventh rotating shaft 453, the tenth gear 454, the rotating barrel 455 to rotate, makes the threaded rod 457 and the threaded groove 456 engage and rotate, makes the threaded rod 457 descend, drives the palm fixing structure 46 to descend. Realize the corresponding height of the upper limb fixing assembly 4 to move at the same time, can simulate the human body to hold the knee to make the upper limb action.

[0040] As Figure 1 , Figures 13-14As shown, the palm fixing structure 46 comprises a second baffle 461 fixed above the threaded rod 457 and the telescopic plate 458, a third cavity 462 is formed in the second baffle 461, a long grip rod 463 is arranged through the second baffle 461, side baffles 464 are fixed at both ends of the long grip rod 463, fourth cavities 465 are formed in the side baffles 464, gloves 466 are fixed on the long grip rod 463 between the side baffles 464 and the second baffle 461, a plurality of partitions 467 are fixed in the fourth cavities 465, a binding rope 468 is wound around the long grip rod 463 between each two partitions 467, the binding rope 468 passes through the gloves 466 and enters the second baffle 461, a rotating ring 469 is rotatably arranged on the long grip rod 463 in the second baffle 461, a plurality of second fixing plates 4610 are fixed on the rotating ring 469, the binding rope 468 is correspondingly fixed on the second fixing plates 4610, a handle 4611 is fixed on the rotating ring 469, the handle 4611 penetrates outward of the second baffle 461, and elastic binding belts 4612 are fixed outward of the side baffles 461. After the patient puts his palm into the gloves 466, the medical staff can rotate the handle 4611 to drive the binding rope 468 to tighten and fix the patient's palm in the gloves. The medical staff can also put the elastic binding belts 4612 on the patient's neck, so that when the patient's palm is moved inward and lowered by the height adjusting structure 45, the patient's head is lowered, simulating the movement of the upper limbs and the head during the human body's knee-holding movement. The patient's palm and head are adjusted and fixed.

[0041] As shown in Figure 1 The fixing assembly 6 comprises clamping plates 61 fixed on both sides of the safety baffle 1, and lock bolts 62 rotatably arranged on the clamping plates 61. The medical staff can initially clamp the safety baffle 1 on one side of the hospital bed through the clamping plates 61 and the lock bolts 62, so that the safety baffle 1 can prevent the patient from falling off the hospital bed.

[0042] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed by the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0043] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A body position assist device, characterized by: Including safety baffle (1), the first let go slot (2) is opened in the safety baffle (1), the lower limbs fixed assembly (3) and upper limbs fixed assembly (4) are slidably arranged in the first let go slot (2), the first tooth slot (5) is opened symmetrically in the lower side of the first let go slot (2), the lower limbs fixed assembly (3) includes the first gear (31) rotatably arranged in the first tooth slot (5), the first gear (31) is rotatably arranged on the first rotation shaft (32), the first motor (33) is fixedly arranged between the first rotation shaft (32), the first motor (33) is fixedly arranged in the first moving block (34), the first baffle (35) is fixedly arranged above the first moving block (34), the pedal (36) is fixedly arranged on the both sides of the first baffle (35), the instep fixed structure (37) is arranged above the pedal (36), the popliteal fossa limiting structure (38) and the lower leg limiting structure (39) are arranged on the both sides of the upper part of the first baffle (35), the first cavity (310) and the second cavity (311) are opened in the inside of the first baffle (35), the upper limbs fixed assembly (4) includes the second gear (41) rotatably arranged in the first tooth slot (5), the second gear is rotatably arranged on the second rotation shaft (42), the second motor (43) is fixedly arranged between the second rotation shaft (42), the second motor (43) is fixedly arranged in the second moving block (44), the height adjusting structure (45) is arranged in the second moving block (44), the palm fixed structure (46) is fixedly arranged above the height adjusting structure (45), the fixed assembly (6) is fixedly arranged on the both sides of the safety baffle (1), when needing to carry out anesthesia puncture to patient, medical staff first needs to be fixed in the side of safety baffle (1) through fixed assembly (6) vertically on the sickbed, then patient's instep is fixed in the instep fixed structure (37) and fixes the instep, the thigh is placed on the popliteal fossa limiting structure (38), and the popliteal fossa limiting structure (38) is clamped at the popliteal fossa, then patient can put both hands into the palm fixed structure (46) and fix the palm, then medical staff can change the angle between the thigh and the lower leg by operating the third motor (382), and the lower limbs are fixedly positioned, so that it will not move at will, then the first motor (33) and the second motor (43) are operated, the lower limbs fixed assembly (3) and the upper limbs fixed assembly (4) are moved towards each other, while the upper limbs fixed assembly (4) is moved, the height adjusting structure (45) is operated slowly at the same time, when reaching the patient's bearing limit position, stop, complete the fixing of the knee-hugging position, can next carry out anesthesia puncture;The effect that patient can be assisted to carry out knee-hugging action and fixed position is realized.

2. A body position assist device according to claim 1, wherein: The sole fixing structure (37) comprises a foot cover (371) fixed on the pedal (36), a plurality of first limiting through holes (372) are formed in the pedal (36), a fixing rope (373) is fixed in the first limiting through hole (372), a rope collector (374) is fixed in the first cavity (310), the fixing rope (373) is arranged outside the foot cover (371) and penetrates through the outside of the first baffle (35) and is fixed in the rope collector (374), and the rope collector (374) is electrically driven and can be controlled externally.

3. A body position assist device according to claim 1, wherein: The popliteal space limiting structure (38) comprises a third rotating shaft (381) rotatably arranged in the second cavity (311), a third motor (382) fixed on one side of the third rotating shaft (381), a rotating rod (383) rotatably arranged in the middle of the third rotating shaft (381), a fixing ring (384) fixed on one end of the rotating rod (383) away from the third rotating shaft (381), a fourth rotating shaft (385) rotatably arranged in the fixing ring (384), first gear wheels (386) fixed on both sides of the proximal end of the fourth rotating shaft (385), first fixing plates (389) fixed on both sides of the distal end of the fourth rotating shaft (385), second gear wheels (387) fixed on the inner walls of the second cavity (311) on both sides, the second gear wheels (387) are meshed with the first gear wheels (386), the diameters of the second gear wheels (387) are greater than that of the first gear wheels (386), arc-shaped limiting grooves (388) are formed in the two sides of the first baffle (35), and the fourth rotating shaft (385) movably penetrates through the arc-shaped limiting grooves (388).

4. A body position assist device according to claim 3, wherein: The calf limiting structure (39) comprises third gears (391) fixed on the two sides of the third rotating shaft (381) respectively, the third gears (391) are vertically engaged with fourth gears (392), the fourth gears (392) are fixed on a fifth rotating shaft (393), the fifth rotating shaft (393) is rotatably arranged on the side inner wall of the second cavity (311), a fifth gear (394) is fixed on the side of the fifth rotating shaft (393) away from the fourth gear (392), a sixth gear (395) is vertically engaged above the fifth gear (394), the sixth gear is fixed on a sixth rotating shaft (396), the sixth rotating shaft (396) is rotatably arranged on the upper inner wall of the second cavity (311), a seventh gear (397) is fixed on the side of the sixth rotating shaft (396) away from the sixth gear (395), first moving rods (398) are respectively engaged on the sides of the sixth gear (395) and the seventh gear (397), a plurality of slot holes (399) are formed on the side of the first moving rod (398), the slot holes (399) are engaged with the sixth gear (395) and the seventh gear (397), the first moving rod (398) penetrates through the first baffle (35), a first connecting plate (3910) is fixed on the end of the first moving rod (398), a backing plate (3911) is fixed on the side of the first connecting plate (3910), and the backing plate (3911) is made of sponge material with certain ductility.

5. A body position assist device according to claim 1, wherein: The height adjusting structure (45) comprises eighth gears (451) fixed on the two sides of the second rotating shaft (42) respectively, ninth gears (452) are vertically engaged on the sides of the eighth gears (451), the directions of engagement of the two ninth gears (452) are opposite, the ninth gears (452) are fixed on a seventh rotating shaft (453), the seventh rotating shaft (453) is rotatably arranged on the lower inner wall of the second moving block (44), a tenth gear (454) is fixed on the side of the seventh rotating shaft (453) away from the ninth gear (452), a rotating barrel (455) is engaged on the side of the tenth gear (454), the rotating barrel (455) is rotatably arranged on the lower inner wall of the second moving block (44), a threaded groove (456) is formed in the rotating barrel (455), and a threaded rod (457) is engaged in the rotating barrel (455), and an extension plate (458) is fixed on the upper side of the second moving block (44).

6. A body position assist device according to claim 5, wherein: The palm fixing structure (46) comprises a second baffle (461) fixed above the threaded rod (457) and the telescopic plate (458), a third cavity (462) is formed in the second baffle (461), a long handle rod (463) is arranged through the second baffle (461), side baffles (464) are fixed at both ends of the long handle rod (463), fourth cavities (465) are formed in the side baffles (464), gloves (466) are fixed on the long handle rod (463) between the side baffles (464) and the second baffle (461), a plurality of partition plates (467) are fixed in the fourth cavities (465), a binding rope (468) is wound around the long handle rod (463) between every two partition plates (467), the binding rope (468) passes through the gloves (466) and enters the second baffle (461), a rotating ring (469) is rotatably arranged on the long handle rod (463) in the second baffle (461), a plurality of second fixing plates (4610) are fixed on the rotating ring (469), the binding rope (468) is fixed on the second fixing plates (4610), a handle (4611) is fixed on the rotating ring (469), the handle (4611) passes through the second baffle (461) and is arranged outside the second baffle (461), and elastic binding belts (4612) are fixed outside the side baffles (464).

7. A body position assist device according to claim 1, wherein: The fixing assembly (6) comprises clamping plates (61) fixed on both sides of the safety baffle (1), and locking bolts (62) are rotatably arranged on the clamping plates (61).

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