Patient body position conversion device for nursing critically ill patient

Abstract

The invention provides a patient body position conversion device for nursing critically ill patients, and belongs to the technical field of medical instruments. Aiming at the problems of high maintenance cost and potential safety hazards of the existing monitoring sickbed for turning over and sitting up a patient, the body position conversion device for nursing the critically ill patient, which is connected with a bedstead, is arranged and comprises a body position conversion mechanism, a protection mechanism and a folding bed plate consisting of a plurality of folding components; when the body position conversion mechanism drives part of the folding assemblies to rotate to assist the patient in turning over, the protection mechanism drives the other folding assemblies to integrally rotate upwards to prevent the body of the patient from losing balance and hitting the bed surface, and the body position conversion mechanism comprises a supporting plate which is located at the joint of every two adjacent folding assemblies. The supporting plate drives the two adjacent folding assemblies to turn over integrally, the situation that the connecting positions of the folding assemblies are stressed excessively is avoided, and therefore the service life of the device is prolonged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and in particular relates to a patient position conversion device for nursing critically ill patients. Background Art

[0002] In the care of critically ill patients, medical staff need to frequently change the patient's position, such as turning over long-term bedridden patients every 1-2 hours to prevent pressure sores. However, manual turning over is a very physically demanding task for medical staff, especially for heavier patients. At present, since there is no mechanism on the bed to assist medical staff in turning the patient over or sitting up, during the use of existing intensive care beds, nursing staff can only be assisted in nursing work according to one need, which increases the workload of nursing staff.

[0003] Patent publication number CN118542789A discloses a intensive care bed that facilitates patients to turn over and sit up, including: a body, a motor, a take-up wheel, a wire rope, a fixing frame, a limit wheel, a support rod, a rotating rod, a fixing rod, a guide wheel and a rotating plate, an airbag and other components. When the patient needs to turn over after lying on the intensive care bed for a long time, the user can use the operation of the motor to make the wire reel reel up the wire rope. During the reeling process of the wire rope, the wire rope will pull the rotating plate 1 to rotate, so that the single rotating plate 1 and the rotating plate 2 can rotate, so that the patient's body is pushed to turn over. At the same time, the wire reel will drive the screw rod to rotate, so that the air plug and the limit strip can move, thereby promoting the high-pressure air to flow, enter the air bag through the air groove, and then make the air bag expand to lift the rotating plate 2. When the rotating plate 2 is supported by the air bag and driven by the rotating plate 1, it is firmly connected with the rotating plate 1 and rotates with the rotating plate 1, ensuring the normal operation of the intensive care bed; when it is necessary to assist the patient to sit up, the user can press the push-pull rod to make the sliding rod squeeze the connecting pin out of the blind hole, so that the rotating plate 1 and the rotating plate 2 are movably connected, and then the user can pull the push-pull rod to make the rotating plate 2 rotate to lift the patient's upper body to sit up.

[0004] In the above technical solution, the rotating plate 1 drives the rotating plate 2 to rotate, and the rotating plate 2 is assisted to rotate by the long strip airbag located under the rotating plate 2. However, in the process of gradually inflating the airbag, the airbag is deformed in the vertical direction. At the same time, the rotating plate 2 rotates upward with its own side as the center. Therefore, the airbag cannot rotate with the rotating plate 2, the contact surface between the airbag and the rotating plate 2 is small, and the lifting effect of the airbag on the rotating plate 2 is poor. Therefore, during the rotation of the rotating plate 2, due to the poor lifting effect of the airbag on the rotating plate 2, the hinge between the rotating plate 2 and the rotating plate 1 is subjected to excessive force. If used for a long time, the hinge between the rotating plate 2 and the rotating plate 1 is easily worn, thereby causing the rotating plate 2 to separate from the rotating plate 1, making the entire device easy to be damaged and requiring multiple repairs, thereby high repair costs; in addition, when the patient flips 90° from lying flat, the patient's body loses balance and hits the bed surface, posing a safety hazard. Summary of the invention

[0005] The purpose of the present invention is to overcome the problems of high maintenance cost and potential safety hazards of the existing body position conversion device.

[0006] In order to achieve the above-mentioned purpose, the technical idea adopted by the present invention is: a folding bed board composed of multiple folding components connected to the bed frame, and a position conversion mechanism and a protective mechanism connected to the folding bed board are provided; while the position conversion mechanism drives some folding components to rotate to assist the patient to turn over, the protective mechanism rotates upward as a whole through other folding components to prevent the patient from losing balance and hitting the bed surface during the turning process, thereby improving the safety and comfort of the patient when using the bed, and the position conversion mechanism includes a support plate, which is located below the connection between two adjacent folding components. When turning the patient over, the support plate drives the two adjacent folding components to flip over as a whole, thereby avoiding excessive force on the connection between the two folding components, thereby extending the service life of the device, reducing the number of maintenance times of the overall device, and reducing maintenance costs.

[0007] Based on the above technical ideas, the technical solution adopted by the present invention is: A patient position conversion device for nursing critically ill patients comprises a bed frame and also includes: A mounting frame connected to the bed frame; A folding bed board, located above the mounting frame; The body position conversion mechanism includes a turning assembly and a sitting assembly; the turning assembly and the sitting assembly are both located in the installation frame and are respectively connected to the folding bed board; Two protection mechanisms are both arranged on the bottom surface of the folding bed board.

[0008] In the above technical solution, preferably, the folding bed board includes: a first folding component; A second folding assembly is arranged in parallel with the first folding assembly, and the second folding assembly is rotatably connected to the first folding assembly; The third folding assembly is arranged in parallel with the second folding assembly, and the third folding assembly is rotationally connected to a side of the second folding assembly away from the first folding assembly.

[0009] Further limiting the above technical solution, the first folding assembly, the second folding assembly and the third folding assembly have the same structure, and all include: Upper folding unit; A middle folding unit, one side of which is rotatably connected to the upper folding unit; The lower folding unit is located at a side of the middle folding unit away from the upper folding unit and is rotatably connected to the middle folding unit.

[0010] The above technical solution is further limited, and the turning assembly includes: Two support plates, one of which is connected to both the first folding assembly and the second folding assembly, and the other is connected to both the second folding assembly and the third folding assembly; Two rotating rings are arranged parallel to each other, and the two ends of each rotating ring are respectively vertically connected to the bottom surfaces of the two support plates, and a limiting column is provided on the side of each rotating ring; Two sliding brackets are located below the support plate, and each sliding bracket is slidably connected to a corresponding rotating ring; A bidirectional motor, wherein the two output ends of the bidirectional motor are respectively provided with limit rods; an end of each limit rod away from the bidirectional motor is respectively connected to a limit column on the same side.

[0011] The above technical solution is further limited in that the upper surface of each support plate is connected to the middle folding unit, and one end of each support plate is located below the upper folding unit, and the other end is located below the lower folding unit.

[0012] The above technical solution is further limited, and the support plate includes: A first support portion is connected to the rotating ring, and one end of the first support portion is located below the upper folding unit, and the other end of the first support portion is located below the middle folding unit; The second support part has one end rotatably connected to the first support part and the other end is located below the lower folding unit. The second support part is connected to the side surface of the sliding bracket through the first electric push rod.

[0013] The above technical solution is further limited, and the sitting-up assembly includes: A first driving motor is arranged on the side of the rotating ring and is located in a sliding groove on the side of the sliding bracket; A threaded rod, one end of which is rotatably connected to the inner wall of the mounting frame, and the other end of which is connected to the output end of the first driving motor; The sliding block is sleeved on the threaded rod. A rotating rod is arranged on the upper surface of the sliding block. One end of the rotating rod away from the sliding block is connected to the upper folding unit of the second folding assembly.

[0014] The above technical solution is further limited, each protection mechanism includes: A second driving motor is arranged on the bottom surface of the upper folding unit in the second folding assembly; A rotating connecting member is arranged on the bottom surface of the upper folding unit in the second folding assembly and is located outside the second driving motor; A V-shaped connecting rod connected to an output end of the second driving motor; One end of the hook-shaped flip sheet is rotatably connected to the end of the V-shaped connecting rod away from the second driving motor, and the other end is located outside the middle folding unit, and the upper surface of the hook-shaped flip sheet is rotatably connected to the rotating connector.

[0015] The above technical solution is further limited in that an H-shaped airbag is provided on the folding bed board.

[0016] The above technical solution is further limited to include: Two sets of second electric push rods are respectively arranged on the upper surface of the upper folding unit and the upper surface of the lower folding unit; Two drawstrings, both ends of each drawstring are respectively connected to the movable end of the second electric push rod of the same group.

[0017] Beneficial effects: 1. The present invention adopts the combined design of a folding bed board, a body position conversion mechanism and a protective mechanism. At the same time as the body position conversion mechanism turns the patient over, the protective mechanism can provide support for the patient's body, preventing the patient from losing balance and hitting the bed surface when turning over 90 degrees, thereby ensuring the safety and comfort of the patient when using the bed.

[0018] 2. The present invention combines the design of the first folding component, the second folding component, the third folding component and two support plates. It is only necessary to set a support plate below the connection between two adjacent folding components. When the rotating ring rotates, the support plate can provide support force to the connection between the two adjacent folding components, thereby driving the two adjacent folding components to rotate synchronously, preventing the connection between the two adjacent folding components from being subjected to excessive force, reducing the wear of the connection between the two adjacent folding components, and increasing the service life of the device, thereby reducing the maintenance cost of the overall device.

[0019] 3. The first folding assembly, the second folding assembly and the third folding assembly provided by the present invention have the same structure, and all include an upper folding unit, a middle folding unit and a lower folding unit; when in use, in addition to rotating the two folding assemblies at the same time to assist the patient to turn over, the folding bed board can also be made into a chair shape by rotating the upper folding unit to assist the patient to sit up, or the lower folding unit can be rotated to assist the patient to lift the legs, to assist the patient to apply medicine on the lower limbs, etc., that is, the folding bed board provided by the present invention can be changed into a variety of body positions.

[0020] 4. The present invention adopts the combined design of the H-shaped airbag and the folding bed board. It only needs to place the H-shaped airbag at the connection of the folding component of the folding bed board, so that the H-shaped airbag is located between the patient and the folding bed board. In this way, when the folding component flips upward to assist the patient to turn over, the H-shaped airbag is deformed under the patient's own gravity and the squeezing force of the folding component, so that the H-shaped airbag is bent into a V-shaped airbag, which can fix the patient's side to prevent the patient from sliding on the folding bed board, and can further improve the patient's comfort when using it.

[0021] Fifth, the present invention adopts the combined design of the folding bed board, the second electric push rod and the drawstring, so that the patient is lifted up by the combined action of the drawstring and the second push rod, thereby preventing the patient from pressure sores and facilitating the dressing change on the patient's back. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A schematic structural diagram of a patient position conversion device for critically ill patient care provided by an embodiment of the present invention; Figure 2 for Figure 1 The enlarged view of point A in the middle; Figure 3 It is a schematic diagram of the connection relationship between the installation frame and the folding bed board; Figure 4 It is a schematic diagram of the connection relationship between the folding bed board, the body position changing device and the protective mechanism; Figure 5 for Figure 4 The enlarged view of point B in the middle; Figure 6 for Figure 4 A schematic diagram of the structure of the device shown in another perspective; Figure 7 for Figure 6 Enlarged view of point C in the middle; Figure 8 for Figure 4 a front view of the device shown; Fig. 9 for Figure 4 Left side view of the device shown.

[0024] Fig.10 Figure 4 a bottom view of the device shown; Fig.11 Figure 4a top view of the device shown; Fig.12 Figure 4 The state diagram of the device when assisting the patient to turn over; Fig.13 for Figure 3 The device is shown in a state diagram in a seat configuration; Fig.14 for Fig.13 Schematic diagram of the connection relationship between the middle folding bed board, the body position changing device and the protective mechanism; Fig.15 A schematic diagram of the structure of the support plate.

[0025] Among them, 1, installation frame; 11, L-shaped sliding groove; 2, folding bed board; 21, first folding assembly; 22, second folding assembly; 23, third folding assembly; 3. Body position conversion mechanism; 31. Support plate; 31a. First support part; 31b. Second support part; 32. Rotating ring; 32a. Limiting column; 33. Sliding bracket; 33a. Arc slide; 34. Bidirectional motor; 35. Limiting rod; 36. First electric push rod; 37. First driving motor; 38. Threaded rod; 39. Sliding block; 39a. Rotating rod; 4. Protection mechanism; 41. Second driving motor; 42. Rotating connecting member; 43. V-shaped rotating connecting rod; 44. Hook-shaped flip sheet; 5. Bed frame; 6. H-shaped airbag; 7. Second electric push rod; 8. Pull belt; 9. Round base; 10. Electric push plate. DETAILED DESCRIPTION

[0026] To make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0027] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In addition, features stated as “first” or “second” may explicitly or implicitly include one or more of such features.

[0029] In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The inventor has found that when the current body position conversion device is in use, 1. During the process of gradually inflating the airbag, the airbag is deformed in the vertical direction. At the same time, the rotating plate 2 rotates upward with its own side as the center. Therefore, the airbag cannot rotate with the rotating plate 2, the contact area between the airbag and the rotating plate 2 is small, and the airbag has a poor lifting effect on the rotating plate 2; therefore, during the rotation of the rotating plate 2, due to the poor lifting effect of the airbag on the rotating plate 2, the hinge between the rotating plate 2 and the rotating plate 1 is subjected to excessive force. If used for a long time, the hinge between the rotating plate 2 and the rotating plate 1 is easily worn, thereby separating the rotating plate 2 from the rotating plate 1, making the entire device easy to be damaged, resulting in high maintenance costs; 2. When the patient flips 90° from lying flat, the patient's body loses balance and hits the bed surface, posing a safety hazard and poor patient comfort.

[0032] Based on the above findings, the present application provides a patient position conversion device for the care of critically ill patients, including a bed frame, a folding bed board connected to the bed frame, a position conversion mechanism and a mechanism; the present application 1. The position conversion mechanism 3 includes two support plates 31, and the two support plates 31 are respectively located below the connection between two adjacent folding components. When the patient is turned over, the support plate 31 drives the two adjacent folding components to flip over as a whole, thereby avoiding excessive force on the connection between the two folding components, thereby extending the service life of the device and reducing maintenance costs; 2. While the position conversion mechanism 3 drives the folding components to rotate to assist the patient in turning over, the protective mechanism 4 drives other folding components in the folding bed board to rotate upward as a whole, thereby preventing the patient from losing balance and hitting the bed surface during the turning process, thereby improving the safety and comfort of the patient when using it.

[0033] Example 1 This embodiment provides a patient position conversion device for nursing critically ill patients, such as Figure 1-15 As shown, it includes a mounting frame 1, a folding bed board 2, a bed frame 5, two body position conversion mechanisms 3 and two protection mechanisms 4; Among them, Fig.13 As shown, the installation frame 1 is a square structure, and the side of the installation frame 1 is fixedly connected to the bed frame 5; wherein an L-shaped slide groove 11 is provided on the inner bottom surface of the installation frame 1; Both position conversion mechanisms 3 are arranged in the installation frame 1, and the upper ends of the position conversion mechanisms 3 are connected to the folding bed board 1, and the lower ends of the position conversion mechanisms 3 are connected to a circular base 9 arranged inside the installation frame 1, and the side of the circular base 9 away from the position conversion mechanism 3 is slidably connected to the L-shaped slide groove 11; in this way, in actual use, the reinforced folding bed 2 can be converted into a seat state so that medical staff can care for patients.

[0034] The protection mechanism 4 is arranged on the folding bed board 2 and connected to the body position conversion mechanism 3 .

[0035] like Figure 3 As shown, the folding bed board 2 is located above the installation frame 1; the folding bed board 2 includes three folding components with the same structure and arranged parallel to each other, the three folding components are respectively a first folding component 21, a second folding component 22 and a third folding component 23, the second folding component 22 is located between the first folding component 21 and the third folding component 23, and the second folding component 22 is rotatably connected to the first folding component 21 and the third folding component 23 respectively; Each folding assembly includes an upper folding unit, a middle folding unit and a lower folding unit. The embodiment of the present invention is described by taking the upper folding unit being located below the patient's head and the lower folding unit being located below the patient's feet as an example.

[0036] Specifically, the upper folding unit of the second folding assembly 22 is rotatably connected to the upper folding unit of the first folding assembly 21 and the upper folding unit of the third folding assembly 23; The middle folding unit of the second folding assembly 22 is rotatably connected to the middle folding unit of the first folding assembly 21 and the middle folding unit of the third folding assembly 23 respectively; The lower folding unit of the second folding assembly 22 is connected to the lower folding unit of the first folding assembly 21 and the lower folding unit of the third folding assembly 23 respectively.

[0037] The middle folding unit of the second folding assembly 22 is rotatably connected to the upper folding unit and the lower folding unit in the second folding assembly 22 respectively.

[0038] In this way, in actual use, the second folding component 22 and the third folding component 23 can be rotated upward at the same time through the body position conversion mechanism 3 to assist the patient to turn over to the left; or, the second folding component 22 and the first folding component 21 can be rotated upward at the same time through the body position conversion mechanism 3 to assist the patient to turn over to the right.

[0039] like Figure 4-6 As shown, the body position conversion mechanism 3 includes a turning-over assembly and a sitting-up assembly.

[0040] The turning assembly includes two support plates 31 , two rotating rings 32 , two sliding brackets 33 , a bidirectional motor 34 and two limit rods 35 .

[0041] The two support plates 31 are long strip structures, and the two support plates 31 are respectively located below the connection between the second folding component 22 and the first folding component 21, and below the connection between the second folding component 22 and the third folding component 23; Specifically, each support plate 31 includes a first support portion 31a and a second support portion 31b rotatably connected to the first support portion 31a; One end of the first support portion 31a is located below the upper folding unit and in contact with the upper folding unit, and the other end is located below the middle folding unit and is fixedly connected to the bottom surface of the middle folding unit of each folding assembly located above it; one end of the second support portion 31b is rotatably connected to the first support portion 31a, and the other end is located below the lower folding unit; In this way, when the folding bed board 2 does not need to assist the patient to turn over, the first folding assembly 21, the second folding assembly 22 and the third folding assembly 23 are on the same horizontal plane under the action of the two support plates 31, so that the patient can lie flat; When it is necessary to assist the patient to turn over to the left, the turning assembly drives the middle folding unit in each folding assembly to rotate upward through the first support part 31a, and the upper folding unit and the lower folding unit of the first folding assembly 21 and the second folding assembly 22 are supported by the support plate 31 located between the first folding assembly 21 and the second folding assembly 22, so that the upper folding unit and the lower folding unit of the first folding assembly 21 and the second folding assembly 22 rotate in the same direction as the middle folding unit, that is, the turning assembly drives the second folding assembly 22, the third folding assembly 23 and the middle folding unit in the first folding assembly 21 to rotate in the same direction at the same time; the turning assembly assists the patient to turn over to the right in a similar manner to assisting the patient to turn over to the left, which will not be repeated here.

[0042] The two rotating rings 32 are semicircular arc structures, and each rotating ring 32 is located below the two supporting plates 31, and each rotating ring 32 and the supporting plates 31 are arranged perpendicular to each other; Specifically, the two ends of each rotating ring 32 are respectively arranged vertically and fixedly connected to the bottom surfaces of the two support plates 31, and each rotating ring 32 is sleeved with the corresponding sliding bracket 33; wherein one side surface of each rotating ring 32 is connected to the sitting assembly, and the other side surface is provided with a limiting column 32a for rotationally connecting with the limiting rod 35; Each sliding bracket 33 is a Y-shaped structure, and each sliding bracket 33 is provided with an arc-shaped through hole for sliding connection with the rotating ring 32, and each sliding bracket 33 is provided with an arc-shaped sliding groove 33a on both sides of the side surface, one of the arc-shaped sliding grooves 33a is used to be sleeved with the limiting column 32a so that the limiting column 32a slides in the arc-shaped sliding groove 33a, and the other arc-shaped sliding groove 33a is used to connect with the sitting assembly so that the sitting assembly rotates with the rotating ring 32.

[0043] One end of the limit rod 35 is rotatably connected to the limit column 32a, and the other end is connected to the bidirectional motor 34; specifically, the bidirectional motor 34 is located between the two rotating rings 32, and a limit rod 35 is respectively provided on each output end of the bidirectional motor 34; one end of each limit rod 35 away from the bidirectional motor 34 is sleeved on the limit column 32a and is rotatably connected to the limit column 32a.

[0044] Taking assisting a patient to turn over to the left as an example, the working principle of the turning assembly provided by the embodiment of the present invention is as follows: The bidirectional motor 34 is started, and drives the two limit rods 35 to rotate counterclockwise at the same time, and the limit rods 35 drive the two limit posts 32a to rotate in the same direction, and then the two rotating rings 32 drive the support plate 1 located at the connection between the second folding assembly 22 and the third folding assembly 23 to rotate upward as a whole, so as to assist the patient to turn over to the left; in this process, the second folding assembly 22, the third folding assembly 23 and the middle folding unit in the first folding assembly 21 rotate in the same direction at the same time; Assisting the patient to turn over to the right is similar to assisting the patient to turn over to the left. The bidirectional motor 34 is started, and at the same time drives the two limit rods 35 to rotate clockwise. The limit rods 35 drive the two limit columns 32a to rotate in the same direction, and then the two rotating rings 32 drive the support plate 1 located at the connection between the second folding component 22 and the first folding component 21 to rotate upward as a whole to assist the patient to turn over to the right.

[0045] It should be noted that, in order to ensure that the patient can turn over, the rotation range of the folding assembly provided in the embodiment of the present invention is greater than 90°.

[0046] In order to prevent the patient from falling from the folding bed board 2 while the turning assembly assists the patient in turning over, and to prevent the patient from losing balance and hitting the bed surface during the turning over process, two protection mechanisms 4 are provided under the folding bed board 2.

[0047] like Figure 7 As shown, the two protective mechanisms 4 are both arranged on the bottom surface of the upper folding unit of the second folding component 22, and the two protective mechanisms 4 are arranged opposite to each other; specifically, each protective mechanism 4 includes a second driving motor 41, a rotating connecting member 42, a V-shaped rotating connecting rod 43 and a hook-shaped reversing plate 44.

[0048] The second driving motor 41 and the rotating connecting member 42 are both fixedly arranged on the bottom surface of the upper folding unit of the second folding assembly 22, and the rotating connecting member 42 is located on the outside of the second driving motor 41; One end of the V-shaped rotating connecting rod 43 is fixedly connected to the output end of the second driving motor 41, and the other end is rotatably connected to the hook-shaped flip piece 44; The hook-shaped flip sheet 44 includes two C-shaped support sheets arranged parallel to each other, one end of the two C-shaped support sheets is connected by a support plate, and the other end is rotatably connected to the rotating connecting member 42, and a rotating rod is provided between the two C-shaped support sheets, and the two C-shaped support sheets are rotatably connected to the V-shaped rotating connecting rod 43 through the rotating rod; In actual use, the hook-shaped reversal plates 44 of the two protective mechanisms 4 are symmetrically arranged, so that one end of one of the hook-shaped reversal plates 44 is rotatably connected to the V-shaped rotating link 43 on the same side, and the other end is located below the first folding component 21; one end of the other hook-shaped reversal plate 44 is rotatably connected to the V-shaped rotating link 43 on the same side, and the other end is located below the third folding component 23.

[0049] Taking the turning assembly assisting the patient to turn to the left as an example, the working principle of the protection mechanism 4 provided in the embodiment of the present invention is: The second driving motor 41 in the protection mechanism 4 close to the first folding component 21 is started, and the driving motor 41 drives the V-shaped rotating connecting rod 43 to rotate, and the V-shaped rotating connecting rod 43 drives the hook-shaped flipping piece 44 to rotate in the same direction with the rotating connecting piece 42 as the center, so that the upper folding unit in the first folding component 21 is flipped upward. In this way, in the process of the body position conversion machine 3 assisting the patient to rotate to the left, the hook-shaped flipping piece 44 drives the upper folding unit in the first folding component 21 to flip upward to provide support for the patient's upper limbs, so as to prevent the patient from losing balance and hitting the bed surface during the process of turning over, until the bidirectional motor 34 in the turning over component drives the second folding component and the third folding component to return to the horizontal state through the limit rod 35, and the second driving motor 41 controls the hook-shaped flipping piece 44 to flip downward, so that the hook-shaped flipping piece 44 returns to the initial position; In practical applications, in order to improve the comfort of the patient during use and to prevent the patient from sliding on the folding bed board 2 during the process of assisting the patient to turn over, as shown in FIG. Figure 1 As shown, an H-shaped airbag 6 is provided on the folding bed board 1, and the two side edges of the H-shaped airbag 6 are located at the connection between two adjacent folding components. In this way, when the patient turns over to the left or right, the H-shaped airbag is deformed after being subjected to the patient's own gravity and the squeezing force of the folding components, thereby preventing the first folding component 21 or the third folding component 23 from rotating at too large an angle and bumping into the patient, thereby improving the patient's comfort during use and preventing the patient from sliding to the angle between the two adjacent folding components.

[0050] Furthermore, in order to facilitate dressing changes on the patient's lower limbs, in actual use, a first electric push rod 36 is provided on the side of the sliding bracket 33 close to the lower folding unit, and the movable end of the first electric push rod 36 is rotatably connected to the bottom surface of the second support portion 31b. In this way, in actual use, the first electric push rod 36 can be started to extend the movable end of the first electric push rod 36. At this time, the second support portion 31b rotates upward with its connection point with the first support portion 31a as the center to lift the patient's legs.

[0051] like Figure 8 As shown, the sit-up assembly includes: a first drive motor 37, a threaded rod 38, a sliding block 39 and a rotating rod 39a; The first drive motor 37 is fixedly arranged on the side of the rotating ring 32 close to the upper folding unit, and the first drive motor 37 slides in the arc-shaped slide groove 33a, so that when the rotating ring 32 rotates, the first drive motor 37 rotates in the same direction as the rotating ring 32; One end of the threaded rod 38 is connected to the output end of the first driving motor 37, and the other end is rotatably connected to the inner wall side of the installation frame 1; The sliding block 39 is sleeved on the threaded rod 38, and the sliding block 39 is threadedly connected to the threaded rod 38; thus, when the threaded rod 38 rotates, the sliding block 29 moves linearly on the threaded rod 38; The upper end of the rotating rod 39 a is rotatably connected to the bottom surface of the upper folding unit of the second folding assembly 22 , and the lower end is rotatably connected to the upper surface of the sliding block 39 .

[0052] The working principle of the sit-up assembly provided in the embodiment of the present invention is: The first driving motor 37 is started, and the first driving motor 37 drives the threaded rod 38 to rotate, and then the sliding block 39 sleeved on the threaded rod 38 moves to the end away from the first driving motor 37, and then the rotating rod 39a rotatably connected to the sliding block 39 rotates upward, and then the rotating rod 39a drives the upper folding unit of the second folding assembly 22 to rotate in the same direction, so as to assist the patient to sit up; In the process of assisting the patient to sit up, the second drive motors 41 in the two protection mechanisms 4 are started at the same time, so that the hook-shaped flip plates 44 in the two protection mechanisms 4 rotate upward at the same time, so that the upper folding unit in the first folding component 21 and the upper folding unit in the third folding component 23 protect both sides of the patient to prevent the patient from losing balance and falling.

[0053] Example 2 Based on Example 1, different from Example 1, Figure 1 and 2 As shown, the folding bed board 2 provided in the embodiment of the present invention is further provided with two sets of second electric push rods 7 , two pull belts 8 and an electric push plate 10 .

[0054] Each set of second electric push rods 7 includes two electric push rods, and the two electric push rods are respectively located in the first folding assembly 21 and the third folding assembly 23; Specifically, the two electric push rods in one group of the second electric push rods 7 are respectively located on the upper folding unit of the first folding component 21 and the upper folding unit of the third folding component 23; the two electric push rods in another group of the second electric push rods 7 are respectively located on the lower folding unit of the first folding component 21 and the lower folding unit of the third folding component 23.

[0055] Each group of second electric push rods 7 is connected to a drawstring 8. Specifically, the drawstring 8 is made of flexible material, and both ends of the drawstring 8 are respectively fixedly connected to the push rod ends of the two electric push rods in the same group.

[0056] Correspondingly, grooves for facilitating the installation of the second electric push rod 7 and the drawstring 8 are provided on the first folding component 21 and the third folding component 23. In this way, when it is necessary to change the patient's dressing or to lift the patient to prevent pressure sores after the patient has been bedridden for a long time, the second electric push rod 7 can be started to drive the drawstring 8 to rise, thereby providing an upward supporting force for the patient's upper and lower limbs respectively, so as to lift the patient, facilitate medical staff to change dressings, and prevent pressure sores.

[0057] The electric push plate 10 is arranged on the middle folding unit of the second folding assembly 22. In actual use, the heights of the electric push plate 10 and the second electric push rod 7 are synchronously increased to support the patient's neck, back and legs to lift the patient.

[0058] Application examples: Mr. Liu, 80 years old, suffered from severe shock and multiple organ failure caused by digestive system diseases. He is out of danger after rescue. Now medical staff need to change the position of the patient on the folding bed 2 according to the doctor's instructions to prevent pressure sores; like Fig.12 As shown, taking assisting the patient to turn over to the right as an example: First, the medical staff starts the bidirectional motor 24 and the second drive motor 41 in the protection mechanism 4 close to the third folding assembly 23 at the same time; Then, the bidirectional motor 24 drives the support plate 31 located between the second folding component 22 and the first folding component 21 to rotate upward through the limiting rod 35, and then the support plate 31 provides support for the upper folding unit and the lower folding unit of the first folding unit 21 and the second folding unit 22, respectively, thereby driving the second folding unit 22, the first folding unit 21 and the middle folding unit in the third folding component 23 to rotate upward at the same time until the patient turns right more than 90°; at this time, the second driving motor 41 close to the third folding component 23 drives the hook-shaped flipping piece 44 to flip upward through the V-shaped rotating connecting rod 43 during the process of rotating with the rotating ring 32, and then the hook-shaped flipping piece 44 drives the upper folding unit of the third folding component 23 to rotate upward until the upper folding unit of the third folding component 23 contacts the patient, thereby preventing the patient from losing balance and hitting the bed surface during the process of turning right; Finally, the bidirectional motor 24 drives the first folding assembly 21 and the second folding assembly 22 back to the initial position, and the second drive motor 41 drives the upper folding unit of the third folding assembly 23 back to the initial position. At this time, the assistance to the patient to turn over to the right is completed.

[0059] During the upward rotation of the folding assembly, the H-shaped airbag fills the angle between two adjacent folding assemblies, thereby improving the comfort of the patient during use.

[0060] Take assisting a patient to sit up as an example: First, the first drive motor 37 and the second drive motors 41 of the two protection mechanisms 4 are started simultaneously; Then, the first drive motor 37 drives the threaded rod 38 to rotate, and then the sliding block 39 on the threaded rod 38 moves on the threaded rod 38 toward the end away from the first drive motor 37. At this time, the rotating rod 39a rotatably connected to the upper surface of the sliding block 39 rotates upward, so that the upper folding unit in the second folding component 22 rotates upward to assist the patient to sit up; at the same time, the two second drive motors 41 respectively drive the hook-shaped flip plate 44 to rotate upward until the upper folding unit of the first folding component 21 and the upper folding unit of the third folding component 23 protect both sides of the patient, thereby assisting the patient to sit up and preventing the patient from falling.

[0061] like Fig.11 As shown, taking the folding bed 2 converted into a chair form to provide care for a patient as an example: First, the medical staff pulls the folding bed board 2, so that the circular base 9 moves to one side of the bed in the L-shaped sliding groove, and then rotates the folding bed body 2, so that the folding bed board 2 can be switched to the seat leg bending state later; Then, the first electric push rod 36, the first drive motor 37, and the second drives 41 of the two protection mechanisms 4 are started simultaneously; at this time, the push rod of the first electric push rod 36 retreats, so that the second support parts 31b of the two body position conversion mechanisms 3 rotate downward, so that the patient is in a bent-leg state; In the above process, the second drive motors 41 of the two protective mechanisms 4 respectively drive the upper folding unit of the first folding component 21 and the upper folding unit of the third folding component 23 to rotate upward synchronously, so that the upper folding unit of the first folding component 21, the upper folding unit of the second folding component 22 and the upper folding unit of the third folding component 23 are in a C-shaped structure, so that when the patient is in a sitting-up state with bent legs, the first folding component 21 and the third folding component 23 protect the left and right sides of the patient to prevent the patient's upper limbs from losing balance due to physical exhaustion.

[0062] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. A patient position conversion device for nursing critically ill patients, comprising a bed frame (5), characterized in that: Also includes: A mounting frame (1) connected to a bed frame (5); A folding bed board (2) located above the mounting frame (1); The body position conversion mechanism (3) comprises a turning-over assembly and a sitting-up assembly; the turning-over assembly and the sitting-up assembly are both located in the installation frame (1) and are respectively connected to the folding bed board (2); The two protection mechanisms (4) are both arranged on the bottom surface of the folding bed board (2).

2. A patient position conversion device for nursing critically ill patients according to claim 1, characterized in that: The folding bed board (2) comprises: A first folding component (21); A second folding assembly (22) is arranged in parallel with the first folding assembly (21), and the second folding assembly (22) is rotatably connected to the first folding assembly (21); The third folding assembly (23) is arranged in parallel with the second folding assembly (22), and the third folding assembly (23) is rotationally connected to a side of the second folding assembly (22) away from the first folding assembly (21).

3. A patient position conversion device for nursing critically ill patients according to claim 2, characterized in that: The first folding assembly (21), the second folding assembly (22) and the third folding assembly (23) have the same structure, and all include: Upper folding unit; A middle folding unit, one side of which is rotatably connected to the upper folding unit; The lower folding unit is located at a side of the middle folding unit away from the upper folding unit and is rotatably connected to the middle folding unit.

4. A patient position conversion device for critically ill patient care according to claim 3, characterized in that: The turning assembly includes: Two support plates (31), wherein one support plate (31) is connected to both the first folding assembly (21) and the second folding assembly (22), and the other support plate (31) is connected to both the second folding assembly (22) and the third folding assembly (23); Two rotating rings (32) are arranged parallel to each other, and the two ends of each rotating ring (32) are respectively vertically connected to the bottom surfaces of the two support plates (31), and a limiting column (32a) is provided on the side surface of each rotating ring (32); Two sliding brackets (33) are located below the support plate (31), and each sliding bracket (33) is slidably connected to a corresponding rotating ring (32); A bidirectional motor (34), wherein two output ends of the bidirectional motor (34) are respectively provided with limit rods (35); an end of each limit rod (35) away from the bidirectional motor (34) is respectively connected to a limit column (32a) on the same side.

5. A patient position conversion device for nursing critically ill patients according to claim 4, characterized in that: The upper surface of each support plate (31) is connected to the middle folding unit, and one end of each support plate (31) is located below the upper folding unit, and the other end is located below the lower folding unit.

6. A patient position conversion device for nursing critically ill patients according to claim 5, characterized in that: The support plate (31) comprises: A first support portion (31a) is connected to the rotating ring (32), and one end of the first support portion (31a) is located below the upper folding unit, and the other end is located below the middle folding unit; The second support part (31b) has one end rotatably connected to the first support part (31a) and the other end is located below the lower folding unit, and the second support part (31a) is connected to the side of the sliding bracket (33) via a first electric push rod (36).

7. A patient position conversion device for nursing critically ill patients according to claim 6, characterized in that: The sit-up kit includes: A first driving motor (37) is arranged on a side surface of the rotating ring (32) and is located in a sliding groove on a side surface of the sliding bracket (33); A threaded rod (38), one end of which is rotatably connected to the inner wall of the mounting frame (1), and the other end of which is connected to the output end of the first drive motor (37); The sliding block (39) is sleeved on the threaded rod (38), and a rotating rod (39a) is provided on the upper surface of the sliding block (39). One end of the rotating rod (39a) away from the sliding block (39) is connected to the upper folding unit of the second folding assembly (22).

8. A patient position conversion device for nursing critically ill patients according to claim 7, characterized in that: Each protection mechanism (4) comprises: A second driving motor (41) is arranged on the bottom surface of the upper folding unit in the second folding assembly (22); A rotating connecting member (42) is arranged on the bottom surface of the upper folding unit in the second folding assembly (22) and is located outside the second driving motor (41); A V-shaped connecting rod (43) connected to an output end of the second driving motor (41); The hook-shaped flip sheet (44) has one end rotatably connected to the end of the V-shaped connecting rod (43) away from the second drive motor (41), and the other end is located outside the middle folding unit, and the upper surface of the hook-shaped flip sheet (44) is rotatably connected to the rotating connection member (42).

9. A patient position conversion device for nursing critically ill patients according to claim 8, characterized in that: An H-shaped air bag (6) is provided on the folding bed board (2).

10. A patient position conversion device for nursing critically ill patients according to claim 1, characterized in that: Also includes: Two sets of second electric push rods (7), respectively arranged on the upper surface of the upper folding unit and the upper surface of the lower folding unit; Two pull straps (8), both ends of each pull strap (8) are respectively connected to the movable end of the second electric push rod (7) of the same group.

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