CN112022541B

CN112022541B - Turnover mechanism and turnover bed for patient prone position turnover

Info

Publication number: CN112022541B
Application number: CN202011016143.3A
Authority: CN
Inventors: 樊恒; 朱建华
Original assignee: Ningbo First Hospital
Current assignee: Ningbo First Hospital
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2022-02-08
Anticipated expiration: 2040-09-24
Also published as: CN112022541A

Abstract

The embodiment of the invention provides a turnover mechanism and a turnover bed for turning over a patient in a prone position, which belong to the technical field of pressure sore prevention equipment and comprise: a flip assembly, the flip assembly comprising: the fixing framework is of a framework structure and is hollow; the overturning ring is positioned in the fixed framework; the turnover ring is in a ring shape, and a sickbed on which a patient lies can be accommodated in the turnover ring; the supporting wheels are movably connected to the fixed framework, the supporting wheels are in contact with the overturning ring, and the overturning ring is driven to overturn by the supporting wheels; a beam net positioned above the patient bed; the bundling net is connected with the overturning ring or the clamping piece; the driving source indirectly acts on the turnover ring through the supporting wheel, and the patient changes the state of lying on the bed from the state of bending over and bending over the net through the turnover ring; the technical effect of labor saving and convenience for turning over the patient is achieved.

Description

Turnover mechanism and turnover bed for patient prone position turnover

Technical Field

The invention relates to the technical field of pressure sore prevention equipment, in particular to a turnover mechanism and a turnover bed for turning over a patient in a prone position.

Background

Many severe patients can not turn over by themselves, and medical staff is needed to turn over the patients passively so as to prevent the patients from being pressed sores caused by lying in one body position for a long time. In general, turning-over operation needs 2-3 medical staff to complete in cooperation; while for some obese patients, more medical personnel are required. If a mechanical energy driven turn-over bed can be designed, a lot of labor force of medical staff can be saved.

Therefore, the technical problems of the prior art are as follows: the labor intensity of turning over the patient manually is high, and the time of occupying labor force is long.

Disclosure of Invention

The embodiment of the application provides a turnover mechanism and a turnover bed for turning over a prone position of a patient, and solves the technical problems that in the prior art, the labor intensity is high and the labor time is long when a patient is turned over manually; the technical effect of labor saving and convenience for turning over the patient is achieved.

The embodiment of the application provides a tilting mechanism for patient prone position is stood up, a tilting mechanism for patient prone position is stood up includes: a flip assembly, the flip assembly comprising: the fixing framework is of a framework structure and is hollow; the overturning ring is positioned in the fixed framework, and a gap is reserved between the overturning ring and the fixed framework; the turnover ring is in a ring shape, and a sickbed on which a patient lies can be accommodated in the turnover ring; the clamping piece is fixedly connected to the overturning ring and can clamp the sickbed; the supporting wheels are arranged in a plurality and are arranged in a gap between the overturning ring and the fixed framework in a surrounding manner, the supporting wheels are movably connected to the fixed framework, and the supporting wheels are in contact with the overturning ring; the contact surfaces of the supporting wheel and the overturning ring are respectively provided with teeth, and the supporting wheel and the overturning ring are meshed so that the supporting wheel drives the overturning ring to overturn; the driving source is arranged on the fixed framework and is connected with the supporting wheels; the beam net is positioned above the sickbed and covers the patient; the beam net is connected with the overturning ring or the clamping piece, so that the beam net and the sickbed form a cavity with upper and lower limiting surfaces; wherein, the driving source passes through the indirect effect of supporting wheel and circles on the upset to through the upset circle make the patient change into the beam network state of bowing over and lying over from the sick bed state of lying over.

Preferably, the lower end of the fixed framework is provided with a roller and a fixed seat; the fixed seat can move relative to the fixed framework so that the fixed seat has a first state and a second state relative to the roller, and when the fixed seat is in the first state, the fixed seat is lifted off the ground, and the roller is grounded; in the second state, the fixed seat contacts the ground and the roller leaves the ground.

Preferably, the fixing seat is in telescopic connection with the bottom surface of the fixing framework.

Preferably, the number of the supporting wheels is at least three, and the supporting wheels are arranged at equal intervals relative to the circumference of the turnover ring.

Preferably, the clamping pieces are arranged in two groups, the two groups of clamping pieces are symmetrically arranged on two sides of the turnover ring, and the two groups of clamping pieces are positioned on two sides of the sickbed so as to clamp the sickbed from two sides.

Preferably, the holder includes: the clamping base is fixedly connected with the overturning ring; the clamping plate is connected with the clamping base through a clamping screw, and a clamping cavity for clamping a sickbed is constructed between the clamping plate and the clamping base; the clamping base is located below the clamping plate, so that the clamping plate can be connected to the clamping base from top to bottom.

Preferably, the clamping plate has a press-fit surface and a side stop surface; wherein, the pressfitting face corresponds the centre gripping base, and the side fender face is towards the sick bed, and the side fender face has certain height and length to prevent through the side fender face that the patient from rolling off the sick bed at upset circle upset in-process.

Preferably, a belt is further arranged on the belt, one end of the belt is connected with the belt, and the other end of the belt is connected to the overturning ring or the clamping piece, so that the belt provides tension for the belt to support the patient, and the deformation amplitude of the belt is limited.

Preferably, the number of the turnover mechanisms is at least two, and the turnover mechanisms work in a linear parallel mode; wherein, a connecting rod is arranged between the adjacent turnover mechanisms.

A turn-over bed for turning over a patient in a prone position, the turn-over bed comprising: a turnover mechanism; the bed board is arranged on the clamping piece of the turnover mechanism, and a patient can lie on the bed board.

One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:

1. in the embodiment of the application, the turnover mechanism with the turnover ring is arranged, the hospital bed is clamped and fixed by the clamping piece in the turnover ring, the support wheel is driven by the driving source, and the turnover ring is driven by the support wheel, so that the turnover mechanism and the bed can be turned over together, the patient can change the lying state of the hospital bed into the lying state, the network state is changed, the back of the patient can be relaxed, and the pressure sore can be reduced; the technical problems that in the prior art, the labor intensity is high and the labor time is long when a patient is turned over manually are solved; the technical effect of labor saving and convenience for turning over the patient is achieved.

2. In the embodiment of the application, the idler wheels are arranged on the fixed framework, so that the turnover mechanism can be flexibly pushed to a position, and the turnover mechanism can be conveniently moved in different wards; when the turnover mechanism works, the fixed seat can be put down, so that the turnover mechanism is fixed relative to the ground.

3. In the embodiment of the application, the structure of the clamping piece is optimized, so that the side blocking surface of the clamping plate plays a role of a sickbed guardrail when the clamping piece clamps a sickbed, and a patient is prevented from rolling down in the turnover process of the sickbed; in addition, the clamping plate can also be used as a connecting end of the beam net to fix the position of the beam net, so that the upper surface, the lower surface, the left surface and the right surface of a cavity formed by the beam net and a sickbed are restricted, the restriction is friendly to a patient, and the patient is prevented from being injured by the restriction in the overturning process.

4. In the embodiment of the application, the beam net is optimized, the supporting capacity of the beam net is enhanced by utilizing the inclined pulling of the beam belt, and the deformation amplitude of the beam net after supporting a patient with a large weight is reduced, so that the patient feels comfortable when being supported. In addition, the bridle is arranged in a cavity formed by the bridle and the sickbed, and the bridle can also be used as a limiting part for limiting the left and right movement of the patient, so that the patient is in a stable state in the overturning process of the whole overturning ring.

5. In the embodiment of the application, simplify traditional sick bed, only keep the bed board in order to alleviate the weight of sick bed, constitute a turnover bed through the combination of bed board and tilting mechanism, subtract heavy condition at the sick bed, tilting mechanism's whole stress intensity can suitably weaken, the material and the thickness of upset circle and fixed skeleton can select next rank, the selection of driving source also can select miniwatt for whole tilting mechanism's cost reduces, can supply a turnover bed that the patient used for a long time as one. In addition, when tilting mechanism used as long-term upset bed, locking structure need set up again between supporting wheel and the upset circle to under guaranteeing normal condition, the upset circle is in fixed state, and the bed board is steady.

Drawings

Fig. 1 is a schematic structural diagram of a main viewing direction of a turnover mechanism for turning over a prone position of a patient when the turnover mechanism is put in relative to a sickbed in an embodiment of the application;

FIG. 2 is a schematic side-view structural diagram of a turnover mechanism for turning over a prone position of a patient in an embodiment of the present application;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic structural diagram of a 180-degree turnover mechanism for turning over a prone position of a patient in a side-view direction;

FIG. 5 is a schematic structural diagram of a main viewing direction of a turnover mechanism for turning over a prone position of a patient when the turnover mechanism acts on a sickbed in an embodiment of the application;

FIG. 6 is a schematic view of a main viewing direction of a turnover mechanism for turning over a prone position of a patient acting on a hospital bed in an embodiment of the present application;

FIG. 7 is a schematic side view of another turnover mechanism for turning over a prone position of a patient according to an embodiment of the present application;

FIG. 8 is a schematic side view of another turnover mechanism for turning over a prone position of a patient according to an embodiment of the present application;

FIG. 9 is a side cross-sectional structural view of the lift of FIG. 8;

fig. 10 is a schematic view of a main direction structure of a turning bed for turning over a prone position of a patient in an embodiment of the application.

Reference numerals: 1. a turnover assembly; 11. fixing the framework; 111. a roller; 112. a fixed seat; 12. a support wheel; 13. a drive source; 14. turning over the ring; 15. a clamping member; 151. a clamping base; 152. a clamping plate; 153. clamping the screw; 16. a pull rod; 17. a lifting member; 171. a lifting wheel; 172. a lifting arm; 173. lifting the screw; 174. a lift spring; 2. a hospital bed; 21. a bed board; 3. a lifting member; 4. a patient; 5. bundling a net; 51. a belt; 6. a connecting rod; 7. and a transmission rod.

Detailed Description

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The embodiment of the application provides a turnover mechanism and a turnover bed for turning over a patient 4 in a prone position, wherein the turnover mechanism with a turnover ring 14 is arranged, a sickbed 2 is clamped and fixed by a clamping piece 15 in the turnover ring 14, a driving source 13 is used for driving a supporting wheel 12, and the supporting wheel 12 drives the turnover ring 14, so that the turnover mechanism and the sickbed are turned over together, the patient 4 is changed from a state of lying on the sickbed 2 to a state of bending over and lying over a beam network 5, the back of the patient 4 is relaxed, and the pressure sore is reduced; the technical problems that in the prior art, the labor intensity is high and the labor time is long when a patient 4 is turned over manually are solved; the technical effect of labor saving and convenience for turning over the patient 4 is achieved.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

A turnover mechanism for turning over a patient 4 in a prone position, refer to fig. 1-2 and 4-5; the turnover mechanism for turning over a patient 4 in a prone position comprises: the device comprises a turnover assembly 1 and a bundling net 5, wherein the turnover assembly 1 is provided with at least two turnover mechanisms, a plurality of turnover mechanisms work in parallel in a straight line, and the turnover assemblies 1 jointly clamp a sickbed 2 lifted by a lifting piece 3; the beam net 5 is positioned above the sickbed 2, and the beam net 5 covers the patient 4; the beam network 5 is fixedly connected with the overturning assembly 1, so that the beam network 5 and the sickbed 2 form a cavity limited and restrained by the upper surface and the lower surface; make patient 4 change from lying on the back sick bed 2 state to the beam of hanging down 5 state of lying on the stomach at the in-process of upset subassembly 1 upset. It should be noted that, refer to fig. 6 of the specification; a connecting rod 6 can be arranged between the adjacent turnover mechanisms to combine a plurality of turnover mechanisms into a whole, so that the stability of the device is enhanced. When the plurality of turnover mechanisms act on a hospital bed 2, a driving source 13 can be arranged on one turnover mechanism, one driving source 13 is used for single-side driving, and a transmission rod 7 can be additionally arranged, so that one driving source 13 can drive the supporting wheels 12 on the plurality of turnover mechanisms simultaneously, and the hospital bed 2 can be turned more smoothly and stably.

The turnover component 1 is used for fixing the sickbed 2 and driving the sickbed 2 to turn over, so that the back of the patient 4 is separated from the bed surface of the sickbed 2, and the back of the patient 4 is relaxed. The turnover assembly 1 comprises a fixed framework 11, a supporting wheel 12, a driving source 13, a turnover ring 14, a clamping piece 15 and a lifting piece 17. Wherein, the fixed framework 11 is used as a fixed foundation, and the clamping piece 15 is used as an intermediate body for connecting the turnover ring 14 and the sickbed 2; the supporting wheel 12 supports and drives the turning ring 14 to move, and under the condition that the driving source 13 provides power for the supporting wheel 12, the supporting wheel 12 drives the turning ring 14 to turn, so that the sickbed 2 connected with the turning ring 14 rotates along with the turning.

The fixing frame 11 is used as a fixing base, the fixing frame 11 is of a frame structure, and the fixing frame 11 is hollow inside and used for accommodating the lower turning ring 14. According to the size of the sickbed 2 and the size of the gap between the fixed framework 11 and the turnover ring 14, the height of the fixed framework 11 is 2.8-3.4 meters, the width of the fixed framework is 2.8-3.4 meters, the fixed framework 11 is large in size, and the fixed framework 11 is preferably formed by split combination, so that when the turnover mechanism is in a room where the whole turnover mechanism cannot be pushed in, the turnover mechanism can be assembled after being split. It should be noted that the lower end of the fixed framework 11 is provided with a roller 111 and a fixed seat 112; the fixing base 112 is movable relative to the fixing frame 11, for example, the fixing base 112 is telescopically connected to the bottom surface of the fixing frame 11, so that the fixing base 112 has a first state and a second state relative to the roller 111, and in the first state, the fixing base 112 is lifted off and the roller 111 is grounded; in the second state, the fixing base 112 contacts the ground, and the roller 111 contacts the ground.

A support wheel 12, see figure 2 of the drawings; as an intermediate body of transmission and weight bearing, a plurality of supporting wheels 12 are arranged, the supporting wheels 12 are arranged in a gap between the overturning ring 14 and the fixed framework 11 in a surrounding manner, and the supporting wheels 12 positioned below the overturning ring 14 mainly bear the weight; the supporting wheel 12 above the turning circle 14 mainly limits the track of the turning circle 14. The supporting wheel 12 is movably connected on the fixed framework 11, and the supporting wheel 12 is contacted with the turning ring 14. It should be noted that, in order to enhance the connection strength and the limiting effect between the supporting wheel 12 and the flipping ring 14, the contact surfaces of the supporting wheel 12 and the flipping ring 14 are respectively provided with convex teeth, and the teeth are used to engage the supporting wheel 12 and the flipping ring 14, so that the supporting wheel 12 can drive the flipping ring 14 to flip. It will be appreciated that the support wheel 12 is a gear wheel and the flip ring 14 is a ring gear, and that the teeth between the gear wheel and the ring gear can mesh with each other. In one embodiment, at least three support wheels 12 are provided, and a plurality of support wheels 12 are circumferentially equally spaced with respect to the inversion ring 14.

A drive source 13 as a power source of the mechanism; the driving source 13 is arranged on the fixed framework 11, the driving source 13 is connected with the supporting wheels 12, and the driving source 13 indirectly enables the overturning ring 14 to perform overturning motion through the supporting wheels 12. It is understood that the driving source 13 may be a mechanical driving source 13 such as an electric motor or a hydraulic motor, or may be a hand-push wheel. When the mechanical energy driving source 13 is adopted, a transmission is preferably additionally arranged, so that the rotating speed of the supporting wheel 12 is reduced, and the torsion is increased, and the comfort and the safety of the patient 4 in the overturning process are improved. The support wheel 12 is pushed to rotate by the medical staff manually, and when the medical staff manually pushes, the driving source 13 may directly act on the inversion ring 14. In addition, the driving source 13 is preferably connected with the supporting wheel 12 positioned below the turning ring 14, so that the center of gravity of the device is ensured to be below, and the engagement depth between the upper supporting wheel 12 and the turning ring 14 cannot meet the transmission requirement after the upper supporting wheel 12 is loosened relative to the turning ring 14.

Turning ring 14, refer to the description of fig. 2; as a core component of the turning motion, the turning ring 14 is positioned in the fixed framework 11, and a gap is reserved between the turning ring 14 and the fixed framework 11; the turn-over ring 14 is in the shape of a ring, and the turn-over ring 14 can accommodate a patient bed 2 with a patient 4 lying therein. The inversion ring 14 is preferably a unitary piece to provide the overall structural strength of the inversion ring 14, such as by machining a single piece of lightweight alloy.

A clamp 15, see figures 2-3 of the specification; for fixing the position of the patient bed 2 for the turn-up ring 14. The clamping pieces 15 are provided with two groups, the two groups of clamping pieces 15 are symmetrically arranged on two sides of the turnover ring 14, and the two groups of clamping pieces 15 are positioned on two sides of the sickbed 2 so as to clamp the sickbed 2 from two sides. The holder 15 includes: a clamp base 151 and a clamp plate 152. The clamping base 151 is used as a base and fixedly connected with the overturning ring 14, such as welding; the clamping plate 152 is connected with the clamping base 151 through the arrangement of a clamping screw 153, and a clamping cavity for clamping the sickbed 2 is formed between the clamping plate 152 and the clamping base 151; wherein the clamping base 151 is located below the clamping plate 152, so that the clamping plate 152 can be connected to the clamping base 151 from the top down. It should be noted that the clamping plate 152 is a bending member, and the clamping plate 152 has a pressing surface and a side blocking surface; wherein, the pressfitting face corresponds clamping base 151, and the side fender face is towards sick bed 2, and the side fender face has certain height and length to prevent patient 4 from rolling off sick bed 2 in the upset in-process of turnover ring 14 through the side fender face. In one embodiment, the length of the clamping plate 152 is greater than the width of the fixed frame 11, so that two ends of the clamping plate 152 are located outside the fixed frame 11, it can be understood that, referring to fig. 7 in the specification, in order to prevent the carrying capacity of the clamping member 15 from exceeding the limit, the turning ring 14 may further be provided with a pull rod 16 to connect to the patient bed 2, so that part of the gravity of the patient bed 2 is shared on the pull rod 16 during the turning process, the stress strength of the clamping member 15 is reduced, and the device is more stable and durable.

A lifting member 17, see figures 8-9 of the specification; for lifting the roll-over collar 14 to relieve the roll-over collar 14 from stresses on the underlying support wheels 12 during operation. The lifting member 17 comprises a lifting wheel 171, a lifting arm 172 and a lifting screw 173; wherein, the lifting wheel 171 is positioned at the inner side of the turnover ring 14, and the lifting wheel 171 acts on the inner side surface of the turnover ring 14 from bottom to top; one end of the lifting arm 172 is connected with the fixed framework 11 above the overturning ring 14; the other end of the lifting arm 172 is connected to the lifting wheel 171, and the lifting arm 172 and the lifting wheel 171 are movably connected to each other, so that the lifting wheel 171 can be in a rolling state, and the lifting wheel 171 does not interfere with the turning movement of the turning ring 14. It should be noted that the lifting arm 172 is movably connected to the fixed frame 11 through the lifting screw 173, in an embodiment, the lifting screw 173 sequentially connects the lifting arm 172 and the fixed frame 11 from top to bottom, and the screwing depth of the lifting screw 173 can control the distance from the lifting wheel 171 to the inner side of the turning ring 14, so that the lifting range of the lifting member 17 can be adjusted, and in order to avoid loosening of the lifting screw 173, the lifting screw 173 is further sleeved with a lifting spring 174.

A netting 5, see figures 4-5 of the specification; the beam net 5 is positioned above the sickbed 2, and the beam net 5 covers the patient 4; the beam net 5 is connected with the turnover ring 14 or the clamping piece 15, so that the beam net 5 and the sickbed 2 form a cavity limited and restrained by the upper surface and the lower surface, and a patient can be supported after turning over. The binding net 5 is further provided with a binding belt 51, one end of the binding belt 51 is connected to the binding net 5, and the other end of the binding belt 51 is connected to the turning ring 14 or the clamping member 15, so that the binding belt 51 provides a pulling force for the binding net 5 to support the patient 4, and the deformation amplitude of the binding net 5 is limited. In addition, the clamping plate 152 can also be used as a connecting end of the beam net 5 to fix the position of the beam net 5, so that the upper part, the lower part, the left part and the right part of a cavity formed by the beam net 5 and the sickbed 2 are restricted, the restriction is friendly to the patient 4, and the restriction in the overturning process is prevented from hurting the patient 4.

A turning bed for turning over a patient 4 in a prone position, which is described in the specification with reference to the attached figure 10; the turnover bed comprises: a turnover mechanism and a bed board 21; a patient 4 can lie on the bed plate 21, the bed plate 21 penetrates through the turnover right of the turnover mechanisms, the bed plate 21 is connected with the clamping pieces 15 on the turnover rings 14, and the bundling net 5 is positioned above the bed plate 21 so as to drive the bed plate 21 to turn over through the turnover mechanisms, thereby achieving the purpose that the turnover bed can turn over the patient 4 in the prone position.

It should be noted that, the conventional hospital bed 2 is simplified, only the bed plate 21 is reserved to reduce the weight of the hospital bed 2, and a turnover bed is formed by combining the bed plate 21 and the turnover mechanism, so that under the condition that the weight of the hospital bed 2 is reduced, the overall stress intensity of the turnover mechanism can be properly weakened, the material and thickness of the turnover ring 14 and the fixed framework 11 can be selected to be next to one, and the selection of the driving source 13 can also be selected to be low-power, so that the cost of the whole turnover mechanism is reduced, and the turnover mechanism can be used as a turnover bed for a patient 4 for a long time. In addition, when the turnover mechanism is used as a long-term turnover bed, a locking structure is required to be arranged between the supporting wheel 12 and the turnover ring 14 so as to ensure that the turnover ring 14 is in a fixed state and the bed plate 21 is stable under a normal state.

The working principle is as follows:

the sickbed 2 is lifted by utilizing a lifting piece 3 (a jack or a hydraulic oil cylinder), the overturning rings 14 of the two overturning mechanisms are sleeved on the sickbed 2 from two ends of the sickbed 2, and the sickbed 2 is clamped and fixed by utilizing clamping pieces 15 in the overturning mechanisms; and the bundle net 5 is laid over the patient 4, fixing the bundle net 5.

Fixed and the restraint of reexamination, after confirming that preparation work finishes, driving source 13 drives supporting wheel 12 and rotates, and supporting wheel 12 drives 14 upsets of turning circle, and turning circle 14 drives the upset of sick bed 2 to make patient 4 change into the beam network 5 state of bowing lying prone from lying on the back sick bed 2 state, make patient 4's back obtain the relaxation, reduce the production of pressing the sore.

When the turnover bed is adopted, the turnover bed can be directly used as a conventional sickbed 2, and when a patient 4 needs to be turned over, the beam net 5 is added, and the driving source 13 is started.

The technical effects are as follows:

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A turnover mechanism for turning over a patient in a prone position is characterized by comprising:

a flip assembly, the flip assembly comprising:

the fixing framework is of a framework structure and is hollow;

the overturning ring is positioned in the fixed framework, and a gap is reserved between the overturning ring and the fixed framework; the turnover ring is in a ring shape, and a sickbed on which a patient lies can be accommodated in the turnover ring;

the clamping piece is fixedly connected to the overturning ring and can clamp the sickbed;

the supporting wheels are arranged in a plurality and are arranged in a gap between the overturning ring and the fixed framework in a surrounding manner, the supporting wheels are movably connected to the fixed framework, and the supporting wheels are in contact with the overturning ring; the contact surfaces of the supporting wheel and the overturning ring are respectively provided with teeth, and the supporting wheel and the overturning ring are meshed so that the supporting wheel drives the overturning ring to overturn; and

the driving source is arranged on the fixed framework and is connected with the supporting wheels;

the beam net is positioned above the sickbed and covers the patient; the beam net is connected with the overturning ring or the clamping piece, so that the beam net and the sickbed form a cavity with upper and lower limiting surfaces;

the drive source indirectly acts on the turnover ring through the support wheel, and the patient changes the state of lying on the bed from the state of bending over and bending over the beam net through the turnover ring;

the lifting piece comprises a lifting wheel, a lifting arm and a lifting screw; wherein the lifting wheel is positioned on the inner side of the turnover ring and acts on the inner side surface of the turnover ring from bottom to top; one end of the lifting arm is connected with the fixed framework above the turnover ring; the other end of the lifting arm is connected to the lifting wheel, the lifting arm is movably connected with the fixed framework through a lifting screw, the lifting screw is sequentially connected with the lifting arm and the fixed framework from top to bottom, the screwing-in depth of the lifting screw can control the distance from the lifting wheel to the inner side surface of the turnover ring, and a lifting spring is sleeved on the lifting screw;

the clamping device comprises a clamping piece, a turnover ring, a clamping plate and a clamping base, wherein the clamping piece is provided with two groups, the two groups of clamping pieces are symmetrically arranged on two sides of the turnover ring and are positioned on two sides of a sickbed so as to clamp the sickbed from two sides, the clamping piece comprises a clamping base and a clamping plate, the clamping base is fixedly connected with the turnover ring, the clamping plate is connected with the clamping base through a clamping screw, and a clamping cavity for clamping the sickbed is formed between the clamping plate and the clamping base; wherein, the pressfitting face corresponds the centre gripping base, and the side fender face is towards the sick bed, and the side fender face has certain height and length.

2. The turnover mechanism for turnover of prone position of patient as claimed in claim 1, wherein the lower end of said fixed skeleton is provided with rollers and a fixed seat; the fixed seat can move relative to the fixed framework so that the fixed seat has a first state and a second state relative to the roller, and when the fixed seat is in the first state, the fixed seat is lifted off the ground, and the roller is grounded; in the second state, the fixed seat contacts the ground and the roller leaves the ground.

3. The turnover mechanism for turnover of a prone position of a patient as claimed in claim 2, wherein the fixed seat is telescopically connected with respect to the bottom surface of the fixed framework.

4. The turnover mechanism for turning over a prone position of a patient as claimed in claim 1, wherein the number of the support wheels is at least three, and a plurality of the support wheels are arranged at equal intervals with respect to the circumference of the turnover ring.

5. The turnover mechanism for turning over a prone position of a patient as claimed in claim 1, wherein the turnover mechanism is provided with at least two turnover mechanisms, and a plurality of turnover mechanisms are operated in a linear parallel manner; wherein, a connecting rod is arranged between the adjacent turnover mechanisms.

6. A turn-over bed for turning over a patient in a prone position, the turn-over bed comprising:

a turnover mechanism as claimed in any one of claims 1-5;

the bed board is arranged on the clamping piece of the turnover mechanism, and a patient can lie on the bed board.