CN114948498A

CN114948498A - Mechanical ventilation severe patient nurses with half upset strutting arrangement of health

Info

Publication number: CN114948498A
Application number: CN202210765222.7A
Authority: CN
Inventors: 丁晓文; 张苗; 蔡甜甜
Original assignee: Qilu Hospital of Shandong University Qingdao
Current assignee: Qilu Hospital of Shandong University Qingdao
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-08-30

Abstract

The invention discloses a body semi-overturning supporting device for nursing of a mechanically ventilated severe patient, and relates to the technical field of body supporting devices. Through the slide bar that sets up, threaded rod one, T shape activity groove, mutually support between hang plate and the gag lever post, can cup joint at first T shape activity groove on the riser with the gag lever post when the installation, rebound riser again, make the gag lever post be located the well lower part of riser, rotate threaded rod one again and drive the lower extreme of riser and carry out lateral shifting, the spacing unable removal of gag lever post is passed through to the upside of riser, thereby realize the slope of riser, realize simultaneously adjusting the position of strutting arrangement strong point and the inclination of riser, uncomfortable sense when having avoided the patient to lie on one's side on the sick bed.

Description

Mechanical ventilation severe patient nurses with half upset strutting arrangement of health

Technical Field

The invention relates to a body supporting device, in particular to a body semi-overturning supporting device for nursing of a mechanically ventilated severe patient.

Background

Mechanical ventilation refers to the condition of severe illness in which the patient's breathing is severely impaired, even with diminished spontaneous breathing, and external support is required to maintain oxygenated breathing, and is known as mechanical ventilation. The purpose of mechanical ventilation is to make the body to pass the respiratory failure stage caused by basic diseases as much as possible and strive for a treatment time window, and for the later treatment of severe patients with mechanical ventilation, the patients need to always lie on their sides to avoid the occurrence of respiratory obstruction, so a body support device is needed to keep the body balance of the patients when lying on their sides.

There are several drawbacks and deficiencies to current body support devices in use, and the specific needs for improvement are as follows:

1. the existing supporting device mostly transforms a sickbed to support one part of the sickbed, and the supporting point of the supporting device cannot be adjusted, so that a patient can feel uncomfortable when lying on the sickbed for a side and the supporting device is not beneficial to keeping the side lying for a long time;

2. and current strutting arrangement when supporting, its support mode is comparatively dull, and is only simple with dull and stereotyped slope, the patient health also presents the tilt state when leaning on, and the supporting effect is relatively poor, and the most simple structure of current strutting arrangement moreover, unable convenient and fast's switching patient's side body direction, the practicality is relatively poor.

Disclosure of Invention

The invention aims to provide a body semi-overturning supporting device for nursing of mechanically ventilated severe patients, and aims to solve the problems that most of supporting devices in the background technology transform a sickbed to enable one part of the sickbed to be supported, the supporting point of the supporting device cannot be adjusted, the patient is uncomfortable to lie on the sickbed when lying on the side and cannot be kept lying on the side for a long time, the existing supporting devices are monotonous in supporting mode when supporting, only simply incline a flat plate, the body of the patient also presents an inclined state when leaning on, the supporting effect is poor, most of the existing supporting devices are simple in structure, the side direction of the patient cannot be conveniently and quickly switched, and the practicability is poor.

In order to achieve the purpose, the invention provides the following technical scheme: a half-body-overturning supporting device for nursing of mechanically ventilated severe patients comprises a supporting device and two symmetrically arranged fixing devices, wherein a U-shaped plate is arranged in each fixing device, a clamping plate is arranged on the lower side inside the U-shaped plate, one end of the upper surface of the U-shaped plate is fixedly connected with a side plate, sliding rods are arranged on the front side and the rear side of each side plate, a first threaded rod is arranged in the middle of each side plate, three butt-joint blocks are arranged on one side of each side plate, and an inclined plate is fixedly connected to the middle of the upper surface of each side plate;

the supporting device comprises a vertical plate, three connecting blocks are fixedly connected to the lower portion of the right side wall of the vertical plate, screw grooves are formed in the front side and the rear side of the left side wall of the vertical plate, two threaded rods are arranged in the screw grooves, and a U-shaped supporting plate is arranged on the left side of the vertical plate.

According to a preferred technical scheme, the front side and the rear side of the side plate are respectively provided with a slide bar hole, the two slide bars are respectively connected in the slide bar holes at the two sides in a sliding mode, the upper sides of the circumferential surfaces of the two slide bar holes are respectively fixedly connected with a slide block, the upper sides of the two slide bars are respectively provided with a slide block groove, the slide blocks are connected with the slide block grooves in a sliding mode, one ends of the two slide bars are respectively and fixedly connected with the butt-joint blocks at the front side and the rear side, the middle of the side plate is provided with a first threaded hole, the first threaded hole is in threaded connection with a first threaded rod, and an optical axis part at one end of the first threaded rod is rotatably connected with the butt-joint block at the middle through a first bearing.

As a preferred technical scheme, one side wall of each of the three butt-joint blocks is provided with a T-shaped clamping groove, the upper end of each T-shaped clamping groove is communicated with the outside, and the bottom wall of each T-shaped clamping groove is provided with a threaded hole II.

As a preferable technical scheme of the invention, the front side wall and the rear side wall of each of the three connecting blocks are fixedly connected with a fixed shaft, the front side and the rear side of each connecting block are respectively provided with an ear plate, the fixed shafts are sleeved with round holes formed in the ear plates, and each two adjacent ear plates are respectively fixedly connected with a connecting plate.

As a preferred technical scheme, the middle part of the right side wall of each connecting plate is fixedly connected with a T-shaped clamping strip, each T-shaped clamping strip is rotatably connected with a first bolt through a second bearing, the three T-shaped clamping strips are respectively clamped with the three T-shaped clamping grooves, and the first bolt is in threaded connection with the second threaded hole.

As a preferable technical scheme of the invention, a T-shaped movable groove is formed in the middle of the right side wall of the vertical plate, limiting rods are fixedly connected to the upper ends of the front side wall and the rear side wall of the inclined plate, a T shape is formed between the two limiting rods and the inclined plate, and the two limiting rods and the inclined plate are matched with the T-shaped movable groove.

As a preferable technical scheme of the invention, the optical axis parts of the lower ends of the two second threaded rods are rotatably connected with the bottom wall of the screw groove through the third bearing, the upper sides of the two second threaded rods are in threaded connection with threaded sleeves, the threaded sleeves are arranged in a square shape, and the two threaded sleeves are in lap joint with the inner part of the screw groove.

According to a preferable technical scheme of the invention, the upper ends of the two second threaded rods are fixedly connected with synchronizing wheels, the two synchronizing wheels are in transmission connection through a synchronizing belt, the upper end of the second threaded rod on the front side is fixedly connected with a rotating block, a gap is reserved between the synchronizing belt and the upper surface of the vertical plate, and the bottom surface of the vertical plate is arranged in an inclined plane.

As a preferred technical scheme, the lower ends of the front side wall and the rear side wall of the U-shaped supporting plate are fixedly connected with L-shaped fixed shafts respectively, the two L-shaped fixed shafts are respectively sleeved in round holes II formed in the side walls of the screw grooves on the two sides, the upper ends of the front side wall and the rear side wall of the U-shaped supporting plate are respectively hinged with a linkage plate, the upper ends of the two linkage plates are respectively hinged with threaded sleeves on the front side and the rear side, threaded holes III are formed in the middle of the bottom walls of the two U-shaped plates respectively, bolts II are respectively connected in threaded connection in the threaded holes III, and the upper ends of the bolts II are rotatably connected with the bottom surface of the clamping plate through bearings IV.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the mutual matching of the sliding rod, the first threaded rod, the T-shaped movable groove, the inclined plate and the limiting rod, the T-shaped movable groove on the vertical plate can be firstly sleeved with the limiting rod during installation, then the vertical plate is moved upwards, the limiting rod is positioned at the middle lower part of the vertical plate, then the first threaded rod is rotated to drive the lower end of the vertical plate to move transversely, the upper side of the vertical plate cannot move through the limiting of the limiting rod, so that the inclination of the vertical plate is realized, meanwhile, the position of a supporting point of the supporting device and the inclination angle of the vertical plate are adjusted, and the discomfort of a patient when the patient lies on the side on a sickbed is avoided.

2. According to the invention, through the mutual matching among the second threaded rod, the threaded sleeves, the linkage plate, the synchronous wheel and the synchronous belt, the two threaded sleeves can simultaneously move downwards by rotating the second threaded rod on the front side and driving the second threaded rod on the rear side to simultaneously rotate through the synchronous wheel and the synchronous belt, so that the upper end of the linkage plate is driven to move downwards, the lower end of the linkage plate drives the upper end of the hinged U-shaped support plate to move, the U-shaped support plate rotates by taking the L-shaped fixed shaft as an axis, the U-shaped support plate is inclined and supported again on the basis of the inclined plane of the vertical plate, and the support effect is improved.

3. According to the invention, through the mutual matching of the T-shaped clamping strip, the T-shaped clamping groove, the threaded hole II and the bolt I, the T-shaped clamping strip and the T-shaped clamping groove can be separated from each other by rotating the three bolts I without being in threaded connection with the threaded hole II, then the supporting device is drawn out, and the supporting device is replaced into the fixing device on the other side, so that the position of the supporting device can be conveniently and quickly replaced according to the side body position of a patient, and the practicability is improved.

Drawings

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

FIG. 2 is a partial perspective view of the present invention;

FIG. 3 is a schematic perspective view of a U-shaped support plate according to the present invention;

FIG. 4 is a schematic view of a riser configuration of the present invention;

FIG. 5 is an exploded perspective view of the clamping plate of the present invention;

FIG. 6 is an exploded perspective view of the T-shaped clip strip of the present invention.

In the figure: the device comprises a fixing device 1, a supporting device 2, a U-shaped plate 3, a clamping plate 4, a side plate 5, a sliding rod 6, a first threaded rod 7, an abutting block 8, an inclined plate 9, a vertical plate 10, a connecting block 11, a screw groove 12, a second threaded rod 13, a U-shaped supporting plate 14, a sliding rod hole 15, a sliding block 16, a sliding block groove 17, a first threaded hole 18, a T-shaped clamping groove 19, a second threaded hole 20, a fixed shaft 21, an ear plate 22, a connecting plate 23, a clamping strip 24, a first bolt 25, a movable groove 26T, a limiting rod 27, a threaded sleeve 28, a synchronous wheel 29, a synchronous belt 30, a fixed shaft 31L-shaped, a linkage plate 32, a third threaded hole 33 and a second bolt 34.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, the present invention provides a technical solution: a mechanical ventilation critical patient nursing body semi-overturning supporting device comprises a supporting device 2 and two symmetrically arranged fixing devices 1, the position of the supporting device 2 can be conveniently and quickly switched by arranging the two fixing devices 1, a U-shaped plate 3 is arranged in each fixing device 1, a clamping plate 4 is arranged on the lower side in the U-shaped plate 3, one end of the upper surface of each U-shaped plate 3 is fixedly connected with a side plate 5, slide rods 6 are arranged on the front side and the rear side of each side plate 5, a first threaded rod 7 is arranged in the middle of each side plate 5, three butt-joint blocks 8 are arranged on one side of each side plate 5, and an inclined plate 9 is fixedly connected to the middle of the upper surface of each side plate 5;

the supporting device 2 comprises a vertical plate 10, three connecting blocks 11 are fixedly connected to the lower portion of the right side wall of the vertical plate 10, screw grooves 12 are formed in the front side and the rear side of the left side wall of the vertical plate 10, two threaded rods 13 are arranged in the two screw grooves 12, and a U-shaped supporting plate 14 is arranged on the left side of the vertical plate 10.

The front side and the rear side of the side plate 5 are respectively provided with a sliding rod hole 15, the threaded rod I7 can be more stable when the lower end of the driving vertical plate 10 moves by arranging the sliding rod holes 15 and the sliding rods 6, the two sliding rods 6 are respectively connected in the sliding rod holes 15 at the two sides in a sliding way, the upper sides of the circumferential surfaces of the two sliding rod holes 15 are respectively and fixedly connected with a sliding block 16, the sliding rods 6 can be limited by arranging the sliding blocks 16 and sliding block grooves 17, the T-shaped clamping grooves 19 on the butt-joint blocks 8 are prevented from rotating, the upper sides of the two sliding rods 6 are respectively provided with the sliding block grooves 17, the sliding blocks 16 are connected with the sliding block grooves 17 in a sliding way, one ends of the two sliding rods 6 are respectively and fixedly connected with the butt-joint blocks 8 at the front side and the rear side, the middle part of the side plate 5 is provided with a threaded hole I18, and the sliding rods 6, the threaded rod I7, the sliding rod holes 15, the sliding blocks 16 and the sliding block grooves 17 are matched with each other through rotating the threaded rod I7, the slide bar 6 is driven to slide in the slide bar hole 15, the vertical plate 10 is driven to rotate by taking the fixed shaft 21 as an axis, the lower side of the vertical plate 10 is moved step by step, the lower end of the vertical plate 10 is inserted into a gap between a patient body and a sickbed, the patient body is supported by a certain angle and then stopped, the primary inclination of the patient body is realized, the threaded hole I18 is in threaded connection with the threaded rod I7, and the optical axis part at one end of the threaded rod I7 is rotationally connected with the butt joint block 8 at the middle part through the bearing I.

T-shaped clamping grooves 19 are formed in one side wall of each of the three butt-joint blocks 8, the upper ends of the T-shaped clamping grooves 19 are communicated with the outside, and two threaded holes 20 are formed in the bottom wall of each T-shaped clamping groove 19.

Equal fixedly connected with fixed axle 21 on the front and back lateral wall of three connecting block 11, every connecting block 11 all is provided with otic placode 22 in the front and back side, connecting block 11 through setting up, fixed axle 21, mutually support between otic placode 22 and the connecting plate 23, can drive when the lower extreme of riser 10 removes through threaded rod 7, spacing through top gag lever post 27 to T shape activity groove 26, thereby it uses fixed axle 21 to rotate the slope as the axle center to drive riser 10, the linkage of structure has been realized, and the round hole that sets up on fixed axle 21 and the otic placode cup joints, connecting plate 23 of the equal fixedly connected with of every two adjacent otic placodes 22.

The middle part of the right side wall of each connecting plate 23 is fixedly connected with a T-shaped clamping strip 24, each T-shaped clamping strip 24 is rotatably connected with a first bolt 25 through a second bearing, the T-shaped clamping strips 24, T-shaped clamping grooves 19 and the first threaded holes 20 are matched with the first bolts 25, the first bolts 25 can be rotated to prevent the first bolts from being in threaded connection with the second threaded holes 20, the supporting device 2 is drawn out, the T-shaped clamping strips 24 are separated from the T-shaped clamping grooves 19, the supporting device 2 is replaced into the fixing device 1 on the other side, the position of the supporting device 2 can be conveniently and quickly replaced according to the side position of a patient, the three T-shaped clamping strips 24 are respectively clamped with the three T-shaped clamping grooves 19, and the first bolts 25 are in threaded connection with the second threaded holes 20.

T shape activity groove 26 has been seted up at the right side wall middle part of riser 10, the equal fixedly connected with gag lever post 27 in the front and back lateral wall upper end of hang plate 9, through setting up T shape activity groove 26, mutually support between hang plate 9 and the gag lever post 27, can cup joint T shape activity groove 26 on riser 10 with gag lever post 27 at first when the installation, rebound riser 10 again, make gag lever post 27 be located riser 10's well lower part, when the lower extreme that drives riser 10 at threaded rod 7 removed, the spacing unable removal of gag lever post 27 is passed through to the upside of riser 10, thereby realize the slope of riser 10, realize adjusting the position of 2 strong points of strutting arrangement and the inclination of riser 10 simultaneously, and form T shape between two gag lever posts 27 and the hang plate 9, and two gag lever posts 27 and hang plate 9 and T shape activity groove 26 looks adaptations.

The lower end optical axis parts of the two threaded rods 13 are rotationally connected with the bottom wall of the screw groove 12 through a third bearing, the upper sides of the two threaded rods 13 are in threaded connection with threaded sleeves 28, the threaded sleeves 28 are arranged in a square mode, and the two threaded sleeves 28 are in lap joint with the inside of the screw groove 12.

The equal fixedly connected with synchronizing wheel 29 in upper end of two threaded rods 13, through setting up synchronizing wheel 29 and hold-in range 30, can make two 13 of both sides threaded rod's rotational frequency the same, avoid appearing the phenomenon of skidding simultaneously, connect through hold-in range 30 transmission between two synchronizing wheels 29, and the upper end fixedly connected with turning block of two 13 threaded rods in front, and leave the gap between the upper surface of hold-in range 30 and riser 10, and the bottom surface of riser 10 sets up for the inclined plane, through setting up the bottom surface with riser 10 into the inclined plane, can be better insert in the gap between patient's health and the sick bed.

The lower ends of the front and rear side walls of the U-shaped supporting plate 14 are fixedly connected with L-shaped fixed shafts 31, the two L-shaped fixed shafts 31 are respectively sleeved in round holes II formed in the side walls of the screw grooves 12 at the two sides, through the mutual matching among the arranged screw rod II 13, the screw sleeve 28, the linkage plate 32, the synchronous wheel 29 and the synchronous belt 30, the front synchronous wheel 29 can be driven to rotate by rotating a rotating block at the upper end of the front screw rod II 13, the front synchronous wheel 29 drives the rear screw rod II 13 to simultaneously rotate through the synchronous belt 30, so that the two screw sleeves 28 simultaneously move downwards, the upper end of the linkage plate 32 is driven to move downwards, the lower end of the linkage plate 32 drives the upper end of the hinged U-shaped supporting plate 14 to move, the U-shaped supporting plate 14 rotates by taking the L-shaped fixed shafts 31 as the axis, and the U-shaped supporting plate 14 is obliquely supported on the inclined plane of the vertical plate 10 again, the supporting effect is improved, the upper ends of the front side wall and the rear side wall of the U-shaped supporting plate 14 are hinged with the linkage plates 32, the upper ends of the two linkage plates 32 are hinged with the thread sleeves 28 on the front side and the rear side respectively, the middle parts of the bottom walls of the two U-shaped plates 3 are provided with three threaded holes 33, the two threaded holes 33 are connected with the second bolts 34 in a threaded mode, and the upper ends of the second bolts 34 are rotatably connected with the bottom surface of the clamping plate 4 through the fourth bearing.

The method comprises the following operation steps:

when the sickbed is used, firstly, the two fixing devices 1 are fixed on two sides of a bed plate of a sickbed respectively according to the supporting position of a patient, the side edge of the sickbed is clamped into the U-shaped plate 3, then the bolt II 34 is rotated to drive the clamping plate 4 to extrude and fix the sickbed, then the T-shaped movable groove 26 on the vertical plate 10 is sleeved with the limiting rod 27, then the vertical plate 10 is moved upwards, the three T-shaped clamping strips 24 on the supporting device 2 are clamped into the three T-shaped clamping grooves 19 respectively, the butt joint between the connecting plate 23 and the butt joint block 8 is fixed, and then the bolt I25 is rotated to be in threaded connection with the threaded hole II 20 to complete the fixation;

rotating the first threaded rod 7 to drive the sliding rod 6 to slide in the sliding rod hole 15, simultaneously driving the vertical plate 10 to rotate by taking the fixed shaft 21 as an axis, realizing that the lower side of the vertical plate 10 gradually moves until the lower end of the vertical plate 10 is inserted into a gap between the body of a patient and a sickbed, supporting the body of the patient for a certain angle, stopping, then rotating the rotating block at the upper end of the second front threaded rod 13 to drive the front synchronizing wheel 29 to rotate, driving the second rear threaded rod 13 to simultaneously rotate through the synchronous belt 30 by the front synchronizing wheel 29, thereby realizing that the two threaded sleeves 28 simultaneously move downwards, driving the upper end of the linkage plate 32 to move downwards, driving the lower end of the linkage plate 32 to drive the upper end of the hinged U-shaped support plate 14 to move, and enabling the U-shaped support plate 14 to rotate by taking the L-shaped fixed shaft 31 as the axis, and realizing the secondary support of the body of the patient;

when the patient needs to turn over and lie on the side, the three bolts I25 are rotated to be not in threaded connection with the threaded holes II 20, the supporting device 2 is pulled out, the T-shaped clamping strips 24 are separated from the T-shaped clamping grooves 19, the supporting device 2 is replaced into the fixing device 1 on the other side, the operation is repeated, and the position of the supporting device 2 is conveniently and quickly replaced according to the side position of the patient.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mechanical ventilation severe patient nurses with half upset strutting arrangement of health, includes strutting arrangement (2) and two symmetrical fixing device (1) that set up, its characterized in that: the fixing device is characterized in that a U-shaped plate (3) is arranged in the fixing device (1), a clamping plate (4) is arranged on the lower side inside the U-shaped plate (3), a side plate (5) is fixedly connected to one end of the upper surface of the U-shaped plate (3), slide rods (6) are arranged on the front side and the rear side of the side plate (5), a first threaded rod (7) is arranged in the middle of the side plate (5), three butt-joint blocks (8) are arranged on one side of the side plate (5), and an inclined plate (9) is fixedly connected to the middle of the upper surface of the side plate (5);

strutting arrangement (2) are including riser (10), three connecting block (11) of right side wall below fixedly connected with of riser (10), screw rod groove (12) have all been seted up to the left side wall front and back side of riser (10), two all be provided with threaded rod two (13) in screw rod groove (12), the left side of riser (10) is provided with U-shaped backup pad (14).

2. The mechanical ventilation critical patient care body semi-inversion supporting device according to claim 1, characterized in that: slide bar hole (15) have all been seted up to the side around curb plate (5), and two slide bar (6) sliding connection respectively in both sides slide bar hole (15), two the equal fixedly connected with slider (16) of periphery upside of slide bar hole (15), two slider groove (17) have all been seted up to the upside of slide bar (6), and slider (16) and slider groove (17) sliding connection, and the one end of two slide bar (6) respectively with butt joint piece (8) fixed connection of side around, threaded hole (18) have been seted up at the middle part of curb plate (5), and threaded hole (18) and threaded rod (7) threaded connection, and the one end optical axis part of threaded rod (7) rotates with butt joint piece (8) in middle part through bearing one and is connected.

3. The mechanical ventilation severe patient nursing body semi-overturning supporting device according to claim 2, characterized in that: t-shaped clamping grooves (19) are formed in one side wall of each of the three butt joint blocks (8), the upper ends of the T-shaped clamping grooves (19) are communicated with the outside, and threaded holes II (20) are formed in the bottom wall of each T-shaped clamping groove (19).

4. The mechanical ventilation critical patient care body semi-inversion supporting device according to claim 3, characterized in that: the connecting block is characterized in that a fixed shaft (21) is fixedly connected to the front side wall and the rear side wall of the connecting block (11), an ear plate (22) is arranged on each of the front side and the rear side of the connecting block (11), the fixed shaft (21) is sleeved with a round hole formed in the ear plate (22), and a connecting plate (23) is fixedly connected to each two adjacent ear plates (22).

5. The mechanical ventilation critical patient care body semi-inversion supporting device according to claim 4, characterized in that: every right side wall middle part fixedly connected with T shape card strip (24) of connecting plate (23), every all rotate through bearing two in the T shape card strip (24) and be connected with bolt one (25), and three T shape card strip (24) respectively with three T shape draw-in groove (19) joint, and bolt one (25) and screw hole two (20) threaded connection.

6. The mechanical ventilation critical patient care body semi-inversion supporting device according to claim 5, characterized in that: t shape activity groove (26) have been seted up at the right side wall middle part of riser (10), the equal fixedly connected with gag lever post (27) in lateral wall upper end around hang plate (9), and form T shape between two gag lever posts (27) and hang plate (9), and two gag lever posts (27) and hang plate (9) and T shape activity groove (26) looks adaptation.

7. The mechanical ventilation critical patient care body semi-inversion supporting device according to claim 6, characterized in that: two the lower extreme optical axis part of two threaded rods (13) all rotates through the diapire of bearing three with screw rod groove (12) and is connected, two the equal threaded connection of upside of two threaded rods (13) has thread bush (28), and thread bush (28) are square setting, and the inside overlap joint of two thread bushes (28) and screw rod groove (12).

8. The mechanical ventilation critical patient care body semi-inversion supporting device according to claim 7, characterized in that: two equal fixedly connected with synchronizing wheel (29) in upper end of threaded rod two (13), two connect through hold-in range (30) transmission between synchronizing wheel (29), and the upper end fixedly connected with turning block of front side threaded rod two (13), and leave the gap between the upper surface of hold-in range (30) and riser (10), and the bottom surface of riser (10) is the inclined plane setting.

9. The mechanical ventilation severe patient nursing body semi-overturning supporting device according to claim 8, characterized in that: equal fixedly connected with L shape fixed axle (31) of lateral wall lower extreme around U-shaped backup pad (14), and two L shape fixed axles (31) overlap respectively and establish in the round hole two of seting up on both sides screw groove (12) lateral wall, lateral wall upper end all articulates there is linkage plate (32) around U-shaped backup pad (14), and the upper end of two linkage plates (32) is articulated with thread bush (28) of front and back side respectively, two threaded hole three (33) have all been seted up at the diapire middle part of U-shaped board (3), two equal threaded connection has bolt two (34) in threaded hole three (33), and the bottom surface rotation of the upper end of bolt two (34) through bearing four and grip block (4) is connected.