Lower limb lifting nursing device for critical patient

Abstract

The invention relates to the technical field of medical instruments, in particular to a critical patient lower limb lifting nursing device which comprises a bed body, and a lower limb fixing assembly, a lower limb lifting assembly, a driving assembly and an angle monitoring assembly are arranged on the bed body; a stabilizing assembly, a nursing assembly and a force monitoring assembly are arranged in the lower limb fixing assembly; a reset assembly is arranged on the nursing assembly; the nursing assembly comprises a fixed ring and a rotating ring, connecting rods are in sliding fit with the fixed ring in the circumferential direction, massage blocks are fixedly connected to the ends, away from the fixed ring, of the connecting rods, and the ends, away from the connecting rods, of the massage blocks are in rotating fit with the rotating ring; and a rotating assembly is arranged on the rotating ring. The rotating rod is driven by the pump assembly to slide in the gas conveying cylinder, so that the rotating ring is driven to rotate. The massage blocks can be driven to rotate along with rotation of the rotating ring, and the massage blocks can extrude and massage the legs of the patient when rotating, so that the active massage effect is achieved, blood circulation of the legs of the patient is promoted, and the nursing effect is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly to a nursing device for elevating the lower limbs of critically ill patients. Background Art

[0002] Due to long-term bedridden state, the venous return of the lower limbs of critically ill patients is blocked, which easily leads to a series of complications. Specifically, reduced limb movement in the bedridden state directly causes the blood flow velocity of the lower limbs to slow down, and the pressure inside the blood vessels increases accordingly, increasing the vascular permeability. This pathological process promotes the exudation of fluid in the blood vessels into the tissue space, ultimately presenting as symptoms of lower limb edema. Lower limb elevation nursing has clear pathophysiological intervention value: by scientifically elevating the lower limbs, the gravity can be used to effectively promote venous return. This postural intervention can not only improve the venous stasis state, but also, by reducing the pressure inside the blood vessels, promote the fluid in the tissue space to reflow into the blood vessels again, forming an effective fluid redistribution cycle.

[0003] Generally speaking, when staff members perform elevation nursing on the lower limbs of critically ill patients, they mostly use a medical lower limb elevation pad to care for the patients. The medical lower limb elevation pad is usually made of high-elastic sponge or memory foam, and is designed with a U-shaped or S-shaped groove to fix the lower limbs and prevent slipping. However, the medical lower limb elevation pad mainly promotes venous return through the action of gravity and lacks an active massage mechanism. For patients with high blood viscosity or poor blood vessel elasticity, simple elevation may not achieve the ideal effect of improving blood circulation.

[0004] In summary, how to solve the problem that the medical lower limb elevation pad lacks an active massage mechanism and cannot improve the blood circulation of the patient's legs has become a technical problem that needs to be urgently solved by those skilled in the art. Therefore, it is necessary to propose a nursing device for elevating the lower limbs of critically ill patients. Summary of the Invention

[0005] To solve the above problems, the present invention provides a nursing device for elevating the lower limbs of critically ill patients. The pump assembly drives the rotating rod to slide in the air delivery cylinder, thereby driving the rotating ring to rotate. As the rotating ring rotates, it drives the massage block to rotate. When the massage block rotates, it squeezes and massages the patient's legs, thereby achieving the effect of active massage, promoting the blood circulation of the patient's legs, and improving the nursing effect.

[0006] To achieve the above object, the technical solution of the present invention is as follows: A lower limb elevation nursing device for critically ill patients, comprising a bed body, a lower limb fixing component for fixing the lower limbs of the patient, a lower limb elevation component for adjusting the height of the lower limb fixing component, a driving component for driving the lower limb elevation component to elevate, and an angle monitoring component for monitoring the elevation angle of the patient's lower limbs. The lower limb fixing component is provided with a stabilizing component for further stabilizing the patient's lower limbs, a nursing component for nursing the patient's lower limbs, and a force monitoring component for monitoring the nursing force. The nursing component is provided with a reset component for driving the nursing component to reset.

[0007] The nursing component includes a fixed ring and a rotating ring. A connecting rod is circumferentially and slidably engaged with the fixed ring. One end of the connecting rod away from the fixed ring is fixedly connected with a massage block, and one end of the massage block away from the connecting rod is rotatably engaged with the rotating ring. The rotating ring is provided with a rotating component for driving the rotating ring to rotate.

[0008] The technical principle of the above solution is as follows:

[0009] The lower limbs of the patient are fixed by the lower limb fixing component. After the lower limbs of the patient are fixed, the stabilizing component performs secondary fixation on the lower limbs of the patient to ensure that the patient's legs always remain stable during the elevation nursing process. The driving component drives the lower limb elevation component to elevate the lower limbs of the patient, and the gravity is utilized to promote the blood circulation of the patient. At the same time, the angle monitoring component monitors the elevation angle and the elevation force of the patient's lower limbs to ensure that the lower limbs of the patient will not cause harm to the lower limbs of the patient during the elevation process. Through the operation of the driving component and the rotating component, the rotating ring is driven to rotate, and the massage position of the massage block is adjusted through the rotation of the rotating ring, so as to massage the leg muscles of the patient and promote the blood circulation of the patient's legs. At the same time, the force detection component monitors the massage force of the massage block on the patient's legs in real time to prevent the massage force of the massage block from being too large and causing harm to the patient's legs.

[0010] The following are the beneficial effects of adopting the above solution:

[0011] 1. The present invention drives the rotating ring to rotate through the rotating component, and the rotation of the rotating ring drives the massage block to massage the leg muscles of the patient, so as to continuously stimulate the leg muscle tissue of the patient, effectively promote the blood circulation of the legs, accelerate the discharge of metabolic waste, enhance the tissue oxygen supply capacity, and thus significantly improve the nursing effect on the lower limbs and improve the rehabilitation quality of the patient.

[0012] 2. The present invention adopts a double fixation design of the lower limb fixing component and the stabilizing component, which significantly reduces the displacement risk of the patient's lower limbs during elevation, and reduces the unconscious activities of critically ill patients caused by blurred consciousness or muscle weakness. The angle monitoring component can provide real-time feedback on the elevation angle to avoid excessive elevation causing joint pressure or blood vessel compression.

[0013] 3. The present invention drives the lower limb elevation component by a driving component to elevate the patient's leg, and promotes the venous blood return by means of the gravity effect, directly improving the congestion state of the lower limb. The angle monitoring component is used to ensure that the elevation angle is always less than 30°, ensuring the safety of the patient when the lower limb is elevated.

[0014] Furthermore, the rotating component includes a rotating rod and a controller. The rotating rod is hinged to the rotating ring. A gas delivery cylinder is fixedly connected to one side of the fixed ring close to the rotating ring. The end of the rotating rod away from the rotating ring penetrates through the gas delivery cylinder and is slidably matched with the gas delivery cylinder.

[0015] The gas delivery cylinder is provided with a first air inlet and a first air outlet. First solenoid valves are fixedly connected to both the first air inlet and the first air outlet. The controller is used to control the opening and closing of the first solenoid valves. The first air inlet is communicated with the driving component.

[0016] Beneficial effects: The driving component inflates the gas delivery cylinder through the first air inlet, uses the gas to push the rotating rod to move, and then drives the rotating ring to rotate, realizing the efficient utilization of the gas.

[0017] Furthermore, the lower limb elevation component includes a plurality of piston cylinders, which are all fixedly connected to the top of the bed body. Second air inlets and second air outlets are provided in the piston cylinders. Second solenoid valves are fixedly connected to both the second air inlet and the second air outlet. The controller is used to control the opening and closing of the second solenoid valves. The second air inlets are all communicated with the driving component. Piston heads are slidably matched in the piston cylinders. One ends of the piston heads away from the second air inlets are all fixedly connected with push rods. One ends of the push rods away from the piston heads are all hinged with support frames. A plurality of fixing frames are fixedly connected to the bed body. The support frames are all rotatably matched with the adjacent fixing frames. The tops of the support frames are hinged to the lower limb fixing component.

[0018] Beneficial effects: The driving component inputs gas into the piston cylinders through the second air inlets, uses the pressure of the gas to push the push rods to move, and then drives the support frames to rotate. The lower limb fixing component is elevated by the rotation of the support frames, realizing the elevation care of the patient's lower limbs, and promoting the blood circulation of the patient's legs by means of the gravity effect.

[0019] Furthermore, the lower limb fixing component includes a plurality of leg sleeves, and the leg sleeves are all hinged to the adjacent support frames. The outer side wall of the fixed ring is fixedly connected to the inner side wall of the leg sleeve.

[0020] Beneficial effects: The legs of the patient are fixed by the leg sleeves, reducing the unconscious movement of the patient's legs and improving the safety of the patient during the lower limb elevation care process.

[0021] Furthermore, the driving component includes a pump component. The controller is used to control the opening and closing of the pump component. The pump component is fixedly connected to the bottom of the bed body. The first air inlet and the second air inlet are both fixedly communicated with the output end of the pump component.

[0022] Beneficial effects: The air supply is directly provided to the piston cylinder and the air delivery cylinder through the pump assembly, ensuring the stability of the air supply and improving the stability during the use of the nursing device.

[0023] Furthermore, the angle monitoring component includes a camera and a pressure sensor. A support rod is fixedly connected to the top of the bed body, and the camera is fixedly connected to the top of the support rod.

[0024] The pressure sensor is fixedly connected to the inner side wall of the leg sleeve. The controller is used to receive the image data captured by the camera and the pressure data monitored by the pressure sensor.

[0025] When the camera monitors that the lifting height of the patient's leg reaches 30°, the controller controls the second solenoid valve in the second air inlet to close. When the pressure sensor monitors that the pressure data shows an exponential increase during the lifting process of the patient's leg, the controller controls the second solenoid valve in the second air inlet to close.

[0026] Beneficial effects: The elevation angle of the leg sleeve is monitored by the camera. When the elevation angle exceeds 30°, the controller controls the second solenoid valve in the second air inlet to close, reducing the risk of blood vessel compression caused by excessive elevation of the patient's leg.

[0027] The pressure sensor is attached to the patient's leg. During the lifting process of the patient's leg, if the pressure increases exponentially, the controller controls the second solenoid valve in the second air inlet to close to protect the patient's leg.

[0028] Furthermore, the stabilization component includes a number of airbags, which are all fixedly connected to the inner side wall of the leg sleeve. The airbags are provided with a third air inlet and a third air outlet. Third solenoid valves are fixedly connected to both the third air inlet and the third air outlet. The controller is used to control the opening and closing of the third solenoid valves. The third air inlet is communicated with the output end of the pump assembly.

[0029] Beneficial effects: Through the inflation and deflation function of the airbags, further adaptive fixation of the patient's lower limbs is achieved. The airbags are distributed along the inner wall of the leg sleeve, which can form a uniform wrapping force on the patient's leg, avoiding local compression caused by traditional rigid fixation devices. The controller adjusts the airbag pressure through the third solenoid valve, which can not only prevent the lower limbs from sliding but also avoid skin damage caused by excessive pressure.

[0030] Furthermore, the force monitoring component includes a strain gauge, which is fixedly connected to the massage block on the top of the rotating ring. The controller is used to receive the resistance change generated by the strain gauge. When the resistance change rate of the strain gauge reaches 1.7%, the controller controls the first solenoid valve in the first air inlet to close, and then controls the first solenoid valve in the first air outlet to open for 3S.

[0031] Beneficial effects: The force monitoring component can sense the contact pressure between the massage block and the patient's leg in real time through strain gauges. When the resistance change rate reaches the preset threshold of 1.7%, the controller controls the first solenoid valve in the first air inlet to close, stopping the massage block from further squeezing the patient's leg. The first solenoid valve in the first air outlet is opened for 3S, which can appropriately reduce the pressure of the massage block on the patient's leg and improve the comfort of the patient during massage.

[0032] Furthermore, the reset component includes several springs. One end of each spring is fixedly connected to the fixed ring, and the other end of each spring is fixedly connected to the adjacent massage block.

[0033] Beneficial effects: When the air pressure in the air delivery cylinder decreases, the massage block automatically resets under the elastic force of the spring, ensuring that the massage block accurately resets after each massage cycle.

[0034] Furthermore, several air holes are opened on the massage block. An air delivery pipe is fixedly connected inside the massage block. The air holes are all communicated with the air delivery pipe, and the air delivery pipe is communicated with the output end of the pump component.

[0035] Beneficial effects: The pump component can deliver gas to the air delivery pipe, and perform gas massage on the patient's leg through the air holes, generating a combined stimulation with the mechanical massage of the massage block, significantly enhancing muscle blood circulation and improving the nursing effect.

[0036] The additional aspects and advantages of the present invention will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present invention. Description of the Drawings

[0037] Figure 1 It is an axonometric view of a lower limb elevation nursing device for critically ill patients according to the present invention.

[0038] Figure 2 It is an axonometric view of the lower limb elevation component in a lower limb elevation nursing device for critically ill patients according to the present invention.

[0039] Figure 3 It is a cross-sectional view of the piston cylinder in a lower limb elevation nursing device for critically ill patients according to the present invention.

[0040] Figure 4 It is an axonometric view of the nursing component in a lower limb elevation nursing device for critically ill patients according to the present invention.

[0041] Figure 5 It is a cross-sectional view of the air delivery cylinder in a lower limb elevation nursing device for critically ill patients according to the present invention.

[0042] Figure 6 It is a cross-sectional view of the lower limb fixing component in a lower limb elevation nursing device for critically ill patients according to the present invention.

[0043] The reference numerals in the accompanying drawings of the specification include: 1, the bed body; 2, the leg sleeve; 3, the piston cylinder; 4, the fixing frame; 5, the support frame; 6, the push rod; 7, the piston head; 8, the second solenoid valve; 9, the fixing ring; 10, the connecting rod; 11, the massage block; 12, the rotating rod; 13, the air delivery cylinder; 14, the first solenoid valve; 15, the camera; 16, the support rod; 17, the airbag; 18, the third solenoid valve; 19, the rotating ring; 20, the pressure sensor; 21, the spring. Detailed implementation mode

[0044] The following is a further detailed description through specific implementation modes:

[0045] Embodiment 1:

[0046] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 shown: A lower limb elevation nursing device for critically ill patients includes a bed body 1, on which a lower limb fixing assembly for fixing the lower limbs of the patient, a lower limb elevation assembly for adjusting the height of the lower limb fixing assembly, a driving assembly for driving the lower limb elevation assembly to elevate, and an angle monitoring assembly for monitoring the elevation angle of the patient's lower limbs are provided. A stabilizing assembly for further stabilizing the patient's lower limbs, a nursing assembly for nursing the patient's lower limbs, and a force monitoring assembly for monitoring the nursing force are provided inside the lower limb fixing assembly. A reset assembly for driving the nursing assembly to reset is provided on the nursing assembly.

[0047] Specifically, the nursing assembly includes a fixing ring 9 and a rotating ring 19. A connecting rod 10 is circumferentially and slidably fitted on the fixing ring 9. The ends of the connecting rod 10 away from the fixing ring 9 are bolted and fixedly connected with massage blocks 11. The ends of the massage blocks 11 away from the connecting rod 10 are rotatably fitted with the rotating ring 19. A rotating assembly for driving the rotating ring 19 to rotate is provided on the rotating ring 19.

[0048] The rotating assembly includes a rotating rod 12 and a controller. The rotating rod 12 is hinged to the rotating ring 19. An air delivery cylinder 13 is screwed and fixedly connected to one side of the fixing ring 9 close to the rotating ring 19. The end of the rotating rod 12 away from the rotating ring 19 penetrates through the air delivery cylinder 13 and is slidably fitted with the air delivery cylinder 13. A first air inlet and a first air outlet are formed on the air delivery cylinder 13. First solenoid valves 14 are screwed and fixedly connected inside the first air inlet and the first air outlet. The controller is used to control the opening and closing of the first solenoid valves 14. The first air inlet is communicated with the driving assembly.

[0049] Since the drive assembly is fixedly connected to the first air inlet by screws, when the controller controls the first solenoid valve 14 in the first air inlet to open, the drive assembly will inject gas into the air delivery cylinder 13. At this time, under the action of the gas pressure, the rotating rod 12 will be pushed to slide in the air delivery cylinder 13, and the rotating ring 19 will be driven to rotate by the sliding of the rotating rod 12. When the rotating ring 19 rotates, the rotating ring 19 will synchronously drive the massage block 11 to rotate. As the massage block 11 rotates, the massage block 11 will gradually approach the patient's leg and squeeze and massage the patient's leg. By squeezing and massaging the patient's leg with the massage block 11, it is beneficial to promote blood circulation in the patient's leg and improve the nursing effect of the patient.

[0050] Specifically, the lower limb elevation assembly includes a plurality of piston cylinders 3. The piston cylinders 3 are all fixedly connected to the top of the bed body 1 by screws. A second air inlet and a second air outlet are opened in each piston cylinder 3. Second solenoid valves 8 are fixedly connected to the second air inlet and the second air outlet by screws. The controller is used to control the opening and closing of the second solenoid valve 8, and the second air inlets are all connected to the drive assembly. A piston head 7 is slidably fitted in each piston cylinder 3. A push rod 6 is fixedly connected to one end of the piston head 7 away from the second air inlet by bolts. A support frame 5 is hinged to one end of the push rod 6 away from the piston head 7. A plurality of fixing frames 4 are fixedly connected to the bed body 1 by bolts. The support frames 5 are all rotatably fitted with the adjacent fixing frames 4.

[0051] The top of the support frame 5 is hinged to the lower limb fixing assembly. The lower limb fixing assembly includes a plurality of leg sleeves 2. The leg sleeves 2 are all hinged to the adjacent support frames 5. The outer wall of the fixing ring 9 is fixedly connected to the inner wall of the leg sleeve 2 by bolts.

[0052] Since the second air inlets are all connected to the drive assembly, when the controller controls the second solenoid valve 8 in the second air inlet to open, the drive assembly will inject gas into the piston cylinder 3, and use the gas pressure to push the piston head 7 to slide in the piston cylinder 3, and drive the push rod 6 to move through the sliding of the piston head 7. Since the support frame 5 is hinged to the push rod 6 and rotatably fitted with the fixing frame 4, when the push rod 6 moves, the push rod 6 will drive the support frame 5 to rotate along the fixing frame 4, so as to realize the elevation of the leg sleeve 2. Furthermore, the elevation of the patient's leg is realized, and the blood circulation of the patient's leg is promoted.

[0053] The drive assembly includes a pump assembly. In this embodiment, the pump assembly is selected as an air pump. The controller is used to control the opening and closing of the air pump. The air pump is fixedly connected to the bottom of the bed body 1 by bolts. The first air inlet and the second air inlet are both fixedly connected to the output end of the air pump by screws.

[0054] Specifically, the angle monitoring component includes a camera 15 and a pressure sensor 20. A support rod 16 is fixedly connected to the top of the bed body 1 by bolts, and the camera 15 is fixedly connected to the top of the support rod 16 by bolts. The pressure sensor 20 is fixedly connected to the inner side wall of the leg sleeve 2 by screws. The controller is used to receive the image data captured by the camera 15 and the pressure data monitored by the pressure sensor 20. When the camera 15 monitors that the lifting height of the patient's leg reaches 30°, the controller controls the second solenoid valve 8 in the second air inlet to close. When the pressure sensor 20 monitors that the pressure data shows an exponential increase during the lifting process of the patient's leg, the controller controls the second solenoid valve 8 in the second air inlet to close.

[0055] The camera 15 captures the lifting angle of the patient's leg. The controller receives the image data captured by the camera 15 and judges the lifting angle of the patient's leg through the controller. When the lifting height of the patient's leg reaches 30°, the controller stops lifting the patient's leg.

[0056] The pressure sensor 20 monitors the pressure on the patient's leg. When the patient's leg cannot be lifted, as the leg sleeve 2 rises, the pressure on the patient's leg will increase exponentially. At this time, the pressure sensor 20 will monitor this pressure change. At this time, the controller will also stop lifting the patient's leg. Through the double protection of the camera 15 and the pressure sensor 20, the safety of the patient's leg during the lifting process is improved.

[0057] Specifically, the stabilizing component includes a number of airbags 17. The airbags 17 are all fixedly connected to the inner side wall of the leg sleeve 2 by screws. A third air inlet and a third air outlet are opened in the airbag 17. Third solenoid valves 18 are fixedly connected to both the third air inlet and the third air outlet. The controller is used to control the opening and closing of the third solenoid valves 18. The third air inlet is communicated with the output end of the air pump.

[0058] After the patient's leg extends into the leg sleeve 2, since the size of the leg sleeve 2 is fixed and cannot fit precisely with the patient's leg skin, at this time, a medical staff controls the air pump to start through the controller, controls the third solenoid valve 18 in the third air inlet to open, and uses the air pump to inflate the airbag 17 through the third air inlet. The medical staff judges whether the airbag 17 is fully attached to the patient's skin.

[0059] Specifically, the force monitoring component includes a strain gauge, which is fixedly connected to the massage block 11 at the top of the rotating ring 19 by screws. The controller is used to receive the resistance change generated by the strain gauge. When the resistance change rate of the strain gauge reaches 1.7%, the controller controls the first solenoid valve 14 in the first air inlet to close, and then controls the first solenoid valve 14 in the first air outlet to open for 3S. The reset component includes a number of springs 21. One end of each spring 21 is fixedly connected to the fixed ring 9 by screws, and the other end of each spring 21 is fixedly connected to the adjacent massage block 11 by screws.

[0060] The strain gauge is fixedly connected to the massage block 11 at the top of the rotating ring 19 by screws. Since the position of the strain gauge is fixed, when different patients use the elevation nursing device, the position of the strain gauge corresponding to the patient's leg is also fixed. As the pressure of the massage block 11 on the patient's leg increases, the strain gauge will correspondingly deform. When the resistance change rate of the strain gauge reaches 1.7%, it indicates that the massage force of the massage block 11 on the patient is sufficient. At this time, the controller will control the first solenoid valve 14 in the first air inlet to close, and then control the first solenoid valve 14 in the first air outlet to open for 3S. By controlling the first solenoid valve 14 in the first air inlet to close, the gas delivery into the air delivery cylinder 13 is stopped, the sliding of the rotating rod 12 is stopped, and thus the rotation of the rotating ring 19 is stopped, so that the massage block 11 stops applying further pressure to the patient's leg.

[0061] By controlling the first solenoid valve 14 in the first air outlet to open for 3S, a part of the gas in the air delivery cylinder 13 is released. At this time, the massage block 11 will move in the opposite direction under the action of the spring 21, so as to reduce the massage pressure of the massage block 11 on the patient.

[0062] The specific implementation process is as follows: Taking Figure 1 and Figure 6 as an example, first, the medical staff can make the critically ill patient lie flat on the bed body 1, and then insert the legs of the critically ill patient into the leg sleeves 2 respectively. Then, the medical staff can control the air pump to start through the controller and open the third solenoid valve 18 in the third air inlet, so that the airbag 17 can be inflated. The medical staff judges the inflation degree of the airbag 17. After the airbag 17 is completely attached to the patient's leg, the medical staff controls the third solenoid valve 18 in the third air inlet to close.

[0063] Taking Figure 4 and Figure 5 as an example, the medical staff can control the first solenoid valve 14 in the first air inlet to start through the controller. At this time, the air pump inflates the air delivery cylinder 13, driving the rotating ring 19 to rotate. The rotation of the rotating ring 19 drives the massage block 11 to massage the patient's leg.

[0064] During the process of the massage block 11 massaging the patient's leg, the controller can monitor the resistance change rate of the strain gauge. When the resistance change rate reaches 1.7%, the controller controls the first solenoid valve 14 in the first air inlet to close, and then controls the first solenoid valve 14 in the first air outlet to open for 3S, thereby reducing the pressure of the massage block 11 on the patient's leg.

[0065] After the massage block 11 presses for 5S, the controller continues to control the first solenoid valve 14 in the first air outlet to open. At this time, under the action of the spring 21, the rotating ring 19 and the massage block 11 are reset. By circulating the above process, the cyclic massage of the patient's leg is completed, improving the blood flow of the patient's leg and enhancing the nursing effect.

[0066] Combined Figure 2 with Figure 3 As shown in the figure, when it is necessary to lift the patient's leg, the medical staff can control the second solenoid valve 8 in the second air inlet to open through the controller. At this time, through the air delivery of the air pump, the support frame 5 rotates, and the rotation of the support frame 5 drives the leg sleeve 2 to lift, thereby realizing the lifting of the patient's leg.

[0067] When it is necessary to lower the height of the patient's leg, the medical staff can control the second solenoid valve 8 in the second air outlet to open through the controller. At this time, the air pressure in the piston cylinder 3 decreases, and the leg sleeve will automatically fall under the action of the gravity of the patient's leg.

[0068] The present invention drives the massage block 11 to fully massage the patient's leg through the rotation of the rotating ring 19, fully stimulating the patient's muscles, thereby improving the nursing effect of the patient's leg. Through the resistance change of the strain gauge, the controller can automatically stop the massage and extrusion of the massage block 11 on the patient, thereby improving the comfort of the patient during the nursing process. Through the dual protection of the camera 15 and the pressure sensor 20, it can always ensure that the patient's leg is within a safe angle range when lifted, which is beneficial to the full protection of the patient and improves the safety when the patient's lower limb is lifted.

[0069] Embodiment 2:

[0070] The difference from the above embodiment is that several air holes (not shown in the figure) are opened on the massage block 11. An air delivery pipeline is fixedly connected to the massage block 11 by screws. The air holes are all communicated with the air delivery pipeline, and the air delivery pipeline is communicated with the output end of the air pump.

[0071] The specific implementation process is as follows: After the air pump is started, the air pump will continuously spray air through the air delivery pipeline and the air holes to perform impact massage on the patient's leg skin. The combination of the impact massage of the gas and the physical massage of the massage block 11 can further improve the lower limb nursing effect of the patient and further promote the blood circulation of the patient's leg.

[0072] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation manners here. And the obvious changes or modifications derived therefrom still fall within the protection scope of the present invention.

Claims

1. A lower limb elevation nursing device for critically ill patients, comprising a bed body (1), characterized in that, The bed body (1) is provided with a lower limb fixing component for fixing the patient's lower limbs, a lower limb elevating component for adjusting the height of the lower limb fixing component, a driving component for driving the lower limb elevating component to elevate, and an angle monitoring component for monitoring the elevation angle of the patient's lower limbs; The lower limb fixing component is provided with a stabilizing component for further stabilizing the patient's lower limbs, a nursing component for nursing the patient's lower limbs, and a force monitoring component for monitoring the nursing force; The nursing component is provided with a reset component for driving the nursing component to reset; The nursing component includes a fixed ring (9) and a rotating ring (19). A connecting rod (10) is circumferentially and slidably fitted on the fixed ring (9). One end of the connecting rod (10) away from the fixed ring (9) is fixedly connected with a massage block (11). One end of the massage block (11) away from the connecting rod (10) is rotatably fitted with the rotating ring (19); The rotating ring (19) is provided with a rotating component for driving the rotating ring (19) to rotate.

2. The lower limb elevation nursing device for critically ill patients according to claim 1, characterized in that, The rotating component includes a rotating rod (12) and a controller. The rotating rod (12) is hinged to the rotating ring (19); One side of the fixed ring (9) close to the rotating ring (19) is fixedly connected with an air delivery cylinder (13). One end of the rotating rod (12) away from the rotating ring (19) penetrates through the air delivery cylinder (13) and is slidably fitted with the air delivery cylinder (13); The air delivery cylinder (13) is provided with a first air inlet and a first air outlet. First solenoid valves (14) are fixedly connected in both the first air inlet and the first air outlet. The controller is used to control the opening and closing of the first solenoid valves (14); The first air inlet is communicated with the driving component.

3. The lower limb elevation nursing device for critically ill patients according to claim 2, wherein The lower limb elevating component includes a plurality of piston cylinders (3). The piston cylinders (3) are all fixedly connected to the top of the bed body (1). Second air inlets and second air outlets are opened in the piston cylinders (3). Second solenoid valves (8) are fixedly connected in both the second air inlets and the second air outlets. The controller is used to control the opening and closing of the second solenoid valves (8). The second air inlets are all communicated with the driving component; Piston heads (7) are slidably fitted in the piston cylinders (3). One end of the piston head (7) away from the second air inlet is fixedly connected with a push rod (6). One end of the push rod (6) away from the piston head (7) is hinged with a support frame (5); A plurality of fixing frames (4) are fixedly connected to the bed body (1). The support frames (5) are all rotatably fitted with the adjacent fixing frames (4); [[ID= 4. The lower limb elevation nursing device for critically ill patients according to claim 3, wherein ​ ​ 5. The lower limb elevation nursing device for critically ill patients according to claim 4, characterized in that, ​ 6. The lower limb elevation nursing device for critically ill patients according to claim 5, characterized in that, ​ ​ ​ The controller is used to receive the image data captured by the camera (15) and the pressure data monitored by the pressure sensor (20); When the camera (15) monitors that the leg-lifting height of the patient reaches 30°, the controller controls the second solenoid valve (8) in the second air inlet to close; When the pressure sensor (20) monitors that the pressure data shows an exponential increase during the leg-lifting process of the patient, the controller controls the second solenoid valve (8) in the second air inlet to close.

7. The lower limb elevation nursing device for critically ill patients according to claim 6, wherein The stabilizing component includes a number of airbags (17), and the airbags (17) are fixedly connected to the inner side wall of the leg sleeve (2). A third air inlet and a third air outlet are formed in the airbag (17), and third solenoid valves (18) are fixedly connected to both the third air inlet and the third air outlet. The controller is used to control the opening and closing of the third solenoid valve (18); The third air inlet is communicated with the output end of the pump assembly.

8. The lower limb elevation nursing device for critically ill patients according to claim 7, characterized in that, The force monitoring component includes a strain gauge, and the strain gauge is fixedly connected to the massage block (11) at the top of the rotating ring (19). The controller is used to receive the resistance change generated by the strain gauge. When the resistance change rate of the strain gauge reaches 1.7%, the controller controls the first solenoid valve (14) in the first air inlet to close, and then controls the first solenoid valve (14) in the first air outlet to open for 3S.

9. The lower limb elevation nursing device for critically ill patients according to claim 8, wherein, The reset component includes a number of springs (21). One ends of the springs (21) are fixedly connected to the fixed ring (9), and the other ends of the springs (21) are fixedly connected to the adjacent massage blocks (11).

10. The lower limb elevation nursing device for critically ill patients according to claim 9, wherein, A number of air holes are formed in the massage block (11), an air delivery pipe is fixedly connected inside the massage block (11), the air holes are all communicated with the air delivery pipe, and the air delivery pipe is communicated with the output end of the pump assembly.

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