CN113855960A

CN113855960A - Severe patient is with supplementary respiratory device

Info

Publication number: CN113855960A
Application number: CN202111292428.4A
Authority: CN
Inventors: 曹书奎; 赵晓; 金晓烨
Original assignee: Kaifeng People's Hospital
Current assignee: Kaifeng People's Hospital
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2021-12-31

Abstract

The invention discloses an auxiliary breathing device for severe patients, which belongs to the technical field of medical instruments and comprises an outer frame of the device, wherein a flow control assembly is fixedly arranged in the outer frame of the device, an oxygen guide mechanism matched with the flow control assembly is fixedly arranged in the outer frame of the device, and a medicine injection assembly is fixedly arranged at the upper end of one side of the flow control assembly, which is close to the inner wall of the outer frame of the device, the auxiliary delivery volume of oxygen is flexibly adjusted, so that the use effect of the whole auxiliary breathing device is improved.

Description

Severe patient is with supplementary respiratory device

Technical Field

The invention relates to the technical field of medical instruments, in particular to an auxiliary breathing device for severe patients.

Background

The critical patients are the patients with sudden onset of disease, critical conditions, rapid changes and irreparable consequences caused by carelessness, so doctors are required to be able to make correct judgment in a short time and determine treatment measures;

along with the spread of epidemic situations, patients infected with diseases and plagues are easy to become serious patients, so that the patients are difficult to breathe, in order to relieve the disease conditions, a special auxiliary breathing device is additionally arranged and used for assisting the breathing of the lungs of the patients in the treatment process, the auxiliary breathing treatment is generally carried out in a manual intubation mode, and the oxygen guide bag is periodically and manually pressed to send the oxygen cached in the oxygen guide bag into the intubation tube through an output end so as to assist the breathing of the patients;

however, the conventional auxiliary breathing device has a relatively simple structure, and cannot mechanically press the oxygen guiding bag and flexibly change the extrusion depth of the oxygen guiding bag, so that the discharge amount of oxygen in the oxygen guiding bag is inconvenient to flexibly control, the auxiliary delivery amount of oxygen cannot be flexibly adjusted according to different patient requirements, and the use effect of the auxiliary breathing device is influenced; secondly, in the process of patient assisted respiratory therapy, the atomized medicine needs to be delivered to the lung of the patient in an auxiliary mode sometimes to improve the treatment effect, and the single delivery mode is troublesome.

Disclosure of Invention

The present invention is directed to a respiratory assist device for critically ill patients, which solves the problems of the background art described above.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a severe patient is with supplementary respiratory device, includes the outer frame of device, fixed mounting has the accuse to flow the subassembly in the outer frame of device, fixed mounting has the oxygen guide mechanism who flows the cooperation of subassembly and use with the accuse in the outer frame of device, the accuse flows one side upper end fixed mounting that the subassembly is close to outer frame inner wall of device has the injection subassembly, the top fixed mounting of the outer frame of device has the medium plate, the top fixed mounting of medium plate has the accuse temperature subassembly, the top middle part fixed mounting of medium plate has the atomizer that uses with the cooperation of injection subassembly, the one side that the accuse flowed the subassembly was kept away from to the outer frame of device can be dismantled the card and be equipped with the shrouding, the outside fixed mounting of shrouding has the motor, the top fixed mounting of the outer frame of device has the roof.

Preferably, the subassembly is flowed including the accuse underframe and the T type top frame to the accuse, the underframe is flowed in the accuse and the T type top frame passes through screw fixed mounting, the fixing clip is equipped with the oxygen guide bag in the underframe is flowed in the accuse, the bottom activity card of T type top frame is equipped with the bottom plate, the bottom middle part fixed mounting of bottom plate has the arch of pressing down with oxygen guide bag cooperation use, the direction cross slot has all been seted up in the four corners of bottom plate, the activity is inserted in the direction cross slot and is equipped with the guide bar, the top of guide bar and the inner wall fixed mounting of T type top frame, the bottom thread bush of guide bar is equipped with the spacing ring, the top fixed mounting of spacing ring has the backing ring, the backing ring activity cup joints the outside at the guide bar.

Preferably, the inner wall of the guide through groove is rotatably clamped with a ball, and the ball is contacted with the outer side of the guide rod.

Preferably, the accuse flows subassembly still includes the drive shaft, the drive shaft is equipped with two that are the symmetric distribution, the joint is all rotated in T type top frame to the drive shaft, the fixed cover in the outside of drive shaft is equipped with drive gear, T type top frame inner wall between the drive shaft rotates installs the auxiliary shaft that is the symmetric distribution, the fixed cover in the outside of auxiliary shaft is equipped with the auxiliary gear who connects with corresponding drive gear meshing, two auxiliary gear intermeshing, the drive gear is kept away from to the drive shaft one side all fixed cover and is equipped with the drive frame, two the equal fixed mounting of opposite side of drive frame has miniature telescopic link, the equal fixed mounting of drive end of miniature telescopic link has the end socket, one side that miniature telescopic link was kept away from to the end socket all rotates installs the sloping, the bottom of sloping all rotates the installation with the top of bottom plate.

Preferably, the driving end of the motor penetrates through the sealing plate and is fixedly provided with a small gear, one side of the sealing plate, which is close to the flow control assembly, is rotatably provided with a connecting shaft, the end part of the connecting shaft and one of the driving shafts are coaxially and fixedly arranged, and the outer side of the connecting shaft is fixedly sleeved with a large gear which is meshed with the small gear.

Preferably, the output end of the oxygen guide mechanism and the input end of the oxygen guide bag are fixedly installed, the input end of the oxygen guide mechanism is fixedly installed with a header pipe, and the top end of the header pipe is fixedly installed with a three-way pipe.

Preferably, the injection subassembly includes a piston section of thick bamboo, piston section of thick bamboo fixed mounting is close to one side of device outer frame inner wall at T type top frame, the one end activity card of piston section of thick bamboo is equipped with the piston rod, the end fixing cover of piston rod is equipped with the piston gum cover, piston gum cover activity joint is in the piston section of thick bamboo, the top integrated into one piece of piston section of thick bamboo has into the pencil, one side that the piston gum cover was kept away from to the piston rod is passed the piston section of thick bamboo and is rotated and install the assistance pole, one side that the piston rod was kept away from to the assistance pole is rotated and is installed the actuating lever, one side integrated into one piece that the actuating lever was kept away from the assistance pole has the pivot, the one end and the coaxial fixed mounting of another drive shaft of actuating lever are kept away from in the pivot.

Preferably, the output end of the atomizer penetrates through the middle plate and is fixedly installed with the medicine inlet pipe.

Preferably, a discharge pipe is fixedly clamped on one side of the piston cylinder, which is far away from the piston rod, and the end part of the discharge pipe is fixedly installed with the three-way pipe.

Preferably, the temperature control assembly comprises a temperature control outer frame, the temperature control outer frame is fixedly installed at the top end of the middle plate, a spiral heating frame is fixedly installed in the temperature control outer frame, an oxygen inlet pipe is fixedly inserted into the outer wall of the temperature control outer frame, the oxygen inlet pipe movably penetrates through the spiral heating frame and is fixedly provided with an L-shaped pipe, the bottom of the L-shaped pipe penetrates through the temperature control outer frame, the middle plate and a three-way pipe to be fixedly installed, and a temperature control heater connected with the spiral heating frame is fixedly installed at the top end of the temperature control outer frame.

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

1. according to the invention, the flow control assembly is arranged, the oxygen guide bag is periodically pressed to send the oxygen cached in the oxygen guide bag into the intubation tube through the output end to assist the respiration of a patient, and the distance between the driving frame and the end seat is flexibly changed by controlling and opening the micro telescopic rod, so that the relative height between the back-and-forth lifting of the bottom plate is changed, the extrusion depth of the oxygen guide bag is flexibly changed, the discharge amount of the oxygen in the oxygen guide bag is flexibly controlled, the auxiliary delivery amount of the oxygen can be flexibly adjusted according to the requirements of different patients, and the use effect of the whole auxiliary respiration device is improved;

2. by arranging the medicine injection assembly, the other driving shaft can drive the rotating shaft and the driving rod to slowly rotate while rotating, so that the piston rod can be driven by the auxiliary rod to move back and forth, when the piston rod moves to one side far away from the medicine discharge pipe, heated oxygen is sent into the piston cylinder through the three-way pipe and the medicine discharge pipe, and atomized auxiliary medicine is sent into the piston cylinder through the medicine inlet pipe to be mixed, so that the oxygen which is mixed with the auxiliary medicine subsequently can be conveniently sent into the lung of a patient together for further auxiliary treatment, and the treatment effect of the whole auxiliary breathing device is improved;

3. through setting up the accuse temperature subassembly, open the accuse temperature heater and heat spiral heating frame control by temperature change to can carry out the even heating through the oxygen of going into the oxygen pipe input, thereby effectively prevent that the oxygen temperature of supplementary breathing usefulness from crossing low and causing the discomfort to the patient, thereby promoted the result of use of supplementary respiratory device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the structural connection of the present invention.

FIG. 3 is a schematic structural view of the flow control assembly and the oxygen guiding mechanism of the present invention.

Fig. 4 is an enlarged view of the invention at a in fig. 3.

Fig. 5 is an enlarged view of the invention at B in fig. 3.

Fig. 6 is a schematic structural view of the sealing plate and the motor of the present invention.

Fig. 7 is a schematic structural view of the drug injection assembly of the present invention.

FIG. 8 is a schematic structural diagram of a temperature control assembly according to the present invention.

In the figure: 1. an apparatus outer frame; 2. a flow control assembly; 3. an oxygen conducting mechanism; 4. a drug injection assembly; 5. a middle plate; 6. a temperature control assembly; 7. closing the plate; 8. a motor; 9. an atomizer; 10. a top plate; 21. a flow control bottom frame; 211. an oxygen guiding bag; 22. a T-shaped top frame; 23. a base plate; 231. pressing the protrusion; 232. a ball bearing; 233. a guide through groove; 24. a guide bar; 241. a limiting ring; 242. a backing ring; 25. a drive shaft; 251. a drive gear; 26. a driving frame; 261. a miniature telescopic rod; 262. an end seat; 27. a sloping frame; 28. an auxiliary shaft; 281. an auxiliary gear; 31. a header pipe; 32. a three-way pipe; 81. a small gear; 82. a connecting shaft; 821. a large gear; 41. a piston cylinder; 42. a piston rod; 421. a piston rubber sleeve; 43. a medicine inlet pipe; 44. an auxiliary rod; 45. a drive rod; 451. a rotating shaft; 46. a medicine discharge pipe; 61. controlling the temperature of the outer frame; 62. a spiral heating frame; 63. an oxygen inlet pipe; 64. an L-shaped pipe; 65. a temperature-controlled heater.

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.

Example (b): as shown in figures 1-8, the invention provides an assisted respiration device for severe patients, which comprises an outer device frame 1, wherein a flow control assembly 2 is fixedly arranged in the outer device frame 1, an oxygen guide mechanism 3 matched with the flow control assembly 2 is fixedly arranged in the outer device frame 1, a medicine injection assembly 4 is fixedly arranged at the upper end of one side, close to the inner wall of the outer device frame 1, of the flow control assembly 2, a middle plate 5 is fixedly arranged at the top end of the outer device frame 1, a temperature control assembly 6 is fixedly arranged at the top end of the middle plate 5, an atomizer 9 matched with the medicine injection assembly 4 is fixedly arranged in the middle of the top end of the middle plate 5, a sealing plate 7 is detachably arranged at one side, far away from the flow control assembly 2, of the outer device frame 1, a motor 8 is fixedly arranged at the outer side of the sealing plate 7, a top plate 10 is fixedly arranged at the top of the outer device frame 1, and the temperature control assembly 6, the atomizer 9 and the top plate 10 can be matched with the medicine injection assembly 4, The atomizer 9 is shielded.

The flow control assembly 2 comprises a flow control bottom frame 21 and a T-shaped top frame 22, the flow control bottom frame 21 and the T-shaped top frame 22 are fixedly installed through screws, the flow control bottom frame 21 and the T-shaped top frame 22 are convenient to detach, an oxygen guide bag 211 is fixedly clamped in the flow control bottom frame 21, the oxygen guide bag 211 has a rebound resetting function, the output end of the oxygen guide bag 211 is connected with an insertion pipe, oxygen buffered in the oxygen guide bag 211 can be fed into the insertion pipe through the output end to assist respiration of a patient by pressing the oxygen guide bag 211, a bottom plate 23 is movably clamped at the bottom of the T-shaped top frame 22, a pressing bulge 231 matched with the oxygen guide bag 211 is fixedly installed in the middle of the bottom end of the bottom plate 23, guide through grooves 233 are formed in four corners of the bottom plate 23, guide rods 24 are movably inserted in the guide through grooves 233, the top ends of the guide rods 24 and the inner wall of the T-shaped top frame 22 are fixedly installed and slide and lift outside the guide rods 24 through the bottom plate 23, thereby promoted bottom plate 23 in the stability of T type top frame 22 bottom lift, the bottom screw thread cover of guide bar 24 is equipped with spacing ring 241, descends the height to bottom plate 23 and carries on spacingly, prevents that bottom plate 23 from breaking away from guide bar 24, and the top fixed mounting of spacing ring 241 has backing ring 242, and the outside at guide bar 24 is cup jointed in the backing ring 242 activity, when bottom plate 23 descends to the bottom, effectively cushions bottom plate 23 with the contact of backing ring 242.

The inner wall of the guide through groove 233 is rotatably clamped with the ball 232, the ball 232 contacts with the outer side of the guide rod 24, and the sliding friction force of the bottom plate 23 outside the guide rod 24 is reduced, so that the bottom plate 23 can be guided to ascend and descend outside the guide rod 24 more conveniently.

The flow control assembly 2 further comprises a driving shaft 25, the driving shaft 25 is provided with two symmetrically distributed driving shafts, the driving shaft 25 is rotatably clamped in the T-shaped top frame 22, the driving gears 251 are fixedly sleeved on the outer sides of the driving shafts 25, the auxiliary shafts 28 symmetrically distributed are rotatably installed on the inner wall of the T-shaped top frame 22 between the driving shafts 25, the auxiliary gears 281 meshed with the corresponding driving gears 251 are fixedly sleeved on the outer sides of the auxiliary shafts 28, the two auxiliary gears 281 are meshed with each other, one driving shaft 25 is driven to rotate to drive the corresponding driving gear 251 to rotate by driving, the meshing transmission of the two auxiliary gears 281 is matched, the other driving shaft 25 is synchronously driven to reversely rotate, one side of the driving shaft 25, far away from the driving gears 251, is fixedly sleeved with the driving frame 251, the micro telescopic rods 261 are fixedly installed on the opposite sides of the two driving frames 26, and the driving ends of the micro telescopic rods 261 are fixedly installed with end seats 262, the inclined frames 27 are rotatably arranged on one sides of the end seats 262 far away from the micro telescopic rods 261, the bottoms of the inclined frames 27 are rotatably arranged with the top end of the bottom plate 23, the driving shaft 25 rotates to drive the driving frame 26, the micro-telescopic rod 261 and the end seat 262 to rotate, thereby stably driving the bottom plate 23 to go up and down through the connection of the inclined frame 27, driving the pressing protrusion 231 to go up and down, further periodically extruding the oxygen guiding air bag 211, wherein, the distance between the driving frame 26 and the end seat 262 is flexibly changed by controlling and opening the micro telescopic rod 261, thereby changing the relative height between the back and forth lifting of the bottom plate 23, thereby flexibly changing the extrusion depth of the oxygen guiding bag 211, flexibly controlling the discharge amount of oxygen in the oxygen guiding bag 211, and then can be according to different patient demands, the auxiliary delivery volume of nimble adjustment oxygen to whole auxiliary respiration device's result of use has been promoted.

The drive end of motor 8 passes shrouding 7 and fixed mounting has small-size gear 81, and shrouding 7 rotates near one side of accuse subassembly 2 and installs connecting axle 82, and the tip and one of them drive shaft 25 coaxial fixed mounting of connecting axle 82, the fixed cover in the outside of connecting axle 82 is equipped with the large-scale gear 821 of being connected with small-size gear 81 meshing, through controlling and opening motor 8, drives small-size gear 81 and drives large-scale gear 821 and connecting axle 82 and carry out slow rotation to drive one of them drive shaft 25 and carry out slow rotation.

The output end of the oxygen guide mechanism 3 and the input end of the oxygen guide bag 211 are fixedly installed, the input end of the oxygen guide mechanism 3 is fixedly installed with a main pipe 31, and the top end of the main pipe 31 is fixedly installed with a three-way pipe 32.

The medicine injection assembly 4 comprises a piston cylinder 41, the piston cylinder 41 is fixedly arranged on one side of the T-shaped top frame 22 close to the inner wall of the device outer frame 1, one end of the piston cylinder 41 is movably clamped with a piston rod 42, the end part of the piston rod 42 is fixedly sleeved with a piston rubber sleeve 421, the piston rubber sleeve 421 is movably clamped in the piston cylinder 41, the back and forth sliding of the piston rod 42 can drive the piston rubber sleeve 421 to slide back and forth in the piston cylinder 41, so as to suck oxygen and auxiliary medicament into the piston cylinder 41 or discharge oxygen and auxiliary medicament to the outside of the piston cylinder 41, the top of the piston cylinder 41 is integrally formed with a medicament inlet pipe 43, one side of the piston rod 42, which is far away from the piston rubber sleeve 421, penetrates through the piston cylinder 41 and is rotatably provided with an auxiliary rod 44, one side of the auxiliary rod 44, which is far away from the piston rod 42, is rotatably provided with a driving rod 45, one side of the driving rod 45, which is far away from the auxiliary rod 44, is integrally formed with a rotating shaft 451, and one end of the rotating shaft 451, which is far away from the driving rod 45, is coaxially and fixedly installed with the other driving shaft 25; the output end of the atomizer 9 penetrates through the middle plate 5 and is fixedly installed with the medicine inlet pipe 43, the atomizer 9 is started to atomize the auxiliary medicine, and the auxiliary medicine can be sent into the piston cylinder 41 through the medicine inlet pipe 43; piston cylinder 41 is kept away from piston rod 42 one side fixing clip and is equipped with discharge tube 46, and wherein discharge tube 46 is close to into pencil 43, discharge tube 46's tip and three-way pipe 32 fixed mounting, can drive pivot 451 and actuating lever 45 when another drive shaft 25 rotates and carry out slow rotation to can drive piston rod 42 through auxiliary rod 44 and carry out round trip movement.

The temperature control assembly 6 comprises a temperature control outer frame 61, the temperature control outer frame 61 is fixedly arranged at the top end of the middle plate 5, a spiral heating frame 62 is fixedly arranged in the temperature control outer frame 61, an oxygen inlet pipe 63 is fixedly inserted on the outer wall of the temperature control outer frame 61, the oxygen inlet pipe 63 movably penetrates through the spiral heating frame 62 and is fixedly provided with an L-shaped pipe 64, the bottom of the L-shaped pipe 64 penetrates through the temperature control outer frame 61, the middle plate 5 and is fixedly arranged with the three-way pipe 32, a temperature control heater 65 connected with the spiral heating frame 62 is fixedly arranged at the top end of the temperature control outer frame 61, the temperature control heater 65 is started to control the temperature of the spiral heating frame 62 for heating, thereby uniformly heating the oxygen input through the oxygen inlet pipe 63, effectively preventing the discomfort of the patient caused by the over-low temperature of the oxygen for auxiliary breathing, thereby improving the using effect of the auxiliary breathing device, and the heated oxygen can enter the three-way pipe 32 through the L-shaped pipe 64.

The working principle is as follows: the invention is a kind of severe patient uses the auxiliary breathing apparatus, while using, insert the intubation tube into the respiratory tract position of the patient, then, open the oxygen-guiding mechanism 3, motor 8 and atomizer 9 and temperature-controlled heater 65, the atomizer 9 atomizes the auxiliary medicament injected, the temperature-controlled heater 65 heats the temperature control of the spiral heating frame 62, thus can heat the oxygen input through the oxygen inlet 63 evenly, the oxygen after heating can enter the three-way pipe 32 position through the L-shaped pipe 64;

the motor 8 drives the small gear 81 to drive the large gear 821 and the connecting shaft 82 to rotate slowly, so as to drive one of the driving shafts 25 to rotate slowly, drive the corresponding driving gear 251 to rotate, and drive the other driving shaft 25 to rotate reversely in a synchronous manner by matching with the meshing transmission of the two auxiliary gears 281, so as to drive the driving frame 26, the micro telescopic rod 261 and the end seat 262 to rotate, so that the bottom plate 23 is stably driven to move back and forth to guide and stably lift through the connection of the inclined frame 27, so as to drive the pressing protrusion 231 to move back and forth to lift, and further, the oxygen guiding bag 211 is periodically extruded;

the other driving shaft 25 can drive the rotating shaft 451 and the driving rod 45 to slowly rotate while rotating, so that the piston rod 42 can be driven by the auxiliary rod 44 to move back and forth, when the piston rod 42 moves to one side far away from the medicine discharge pipe 46, heated oxygen is sent into the piston cylinder 41 through the three-way pipe 32, the medicine discharge pipe 46 and the atomized auxiliary medicine through the medicine inlet pipe 43 to be mixed, and then the oxygen which is mixed with the auxiliary medicine can be conveniently sent into the lung of a patient for further auxiliary treatment, so that the treatment effect of the device is improved;

then, the piston rod 42 moves to the side far away from the medicine discharge pipe 46, the heated oxygen mixed with the auxiliary medicine is input into the oxygen guiding mechanism 3 through the medicine discharge pipe 46, the three-way pipe 32 and the main pipe 31, the oxygen in the oxygen guiding mechanism 3 is input into the oxygen guiding bag 211 along with the rebounding and resetting of the oxygen guiding bag 211, and then the oxygen buffered in the oxygen guiding bag 211 is sent into the intubation tube through the output end along with the pressing of the oxygen guiding bag 211 to carry out the auxiliary respiratory therapy on the patient;

wherein, miniature telescopic link 261 is opened in the accessible control, changes the distance between carriage 26 and the end seat 262 in a flexible way to change the relative height between the bottom plate 23 makes a round trip to go up and down, and then change the extrusion depth to leading oxygen bag 211 in a flexible way, thereby the discharge amount of oxygen among the flexible control leading oxygen bag 211, and then can be according to different patient's demands, the supplementary delivery volume of nimble adjustment oxygen, thereby whole auxiliary respiratory device's result of use has been promoted.

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. The utility model provides a severe patient uses assisted respiration device, includes outer frame (1) of device, its characterized in that: a flow control assembly (2) is fixedly arranged in the device outer frame (1), an oxygen guide mechanism (3) matched with the flow control assembly (2) is fixedly arranged in the device outer frame (1), the upper end of one side of the flow control component (2) close to the inner wall of the device outer frame (1) is fixedly provided with a medicine injection component (4), a middle plate (5) is fixedly arranged at the top end of the outer frame (1) of the device, a temperature control assembly (6) is fixedly arranged at the top end of the middle plate (5), an atomizer (9) matched with the medicine injection assembly (4) is fixedly arranged in the middle of the top end of the middle plate (5), a sealing plate (7) is detachably clamped at one side of the outer frame (1) of the device, which is far away from the flow control assembly (2), the outside fixed mounting of shrouding (7) has motor (8), the top fixed mounting of device outer frame (1) has roof (10).

2. The assisted breathing device for the critically ill patients according to claim 1, wherein the flow control assembly (2) comprises a flow control bottom frame (21) and a T-shaped top frame (22), the flow control bottom frame (21) and the T-shaped top frame (22) are fixedly installed through screws, an oxygen guide bag (211) is fixedly clamped in the flow control bottom frame (21), a bottom plate (23) is movably clamped at the bottom of the T-shaped top frame (22), a pressing protrusion (231) matched with the oxygen guide bag (211) for use is fixedly installed in the middle of the bottom end of the bottom plate (23), guide through grooves (233) are formed in four corners of the bottom plate (23), guide rods (24) are movably inserted in the guide through grooves (233), the top ends of the guide rods (24) and the inner wall of the T-shaped top frame (22) are fixedly installed, and limit rings (241) are sleeved on the bottom of the guide rods (24) through threads, the top end of the limiting ring (241) is fixedly provided with a backing ring (242), and the backing ring (242) is movably sleeved on the outer side of the guide rod (24).

3. The respiratory assistance device for critically ill patients as claimed in claim 2, wherein the inner wall of the guide through groove (233) is rotatably engaged with a ball (232), and the ball (232) is in contact with the outer side of the guide rod (24).

4. The assisted breathing device for severe patients as claimed in claim 2, wherein the flow control assembly (2) further comprises a driving shaft (25), the driving shaft (25) is provided with two symmetrically distributed driving shafts (25), the driving shafts (25) are rotationally clamped in the T-shaped top frame (22), the driving gear (251) is fixedly sleeved on the outer side of the driving shaft (25), the auxiliary shafts (28) symmetrically distributed are rotatably installed on the inner wall of the T-shaped top frame (22) between the driving shafts (25), the auxiliary gear (281) meshed with the corresponding driving gear (251) is fixedly sleeved on the outer side of the auxiliary shaft (28), the two auxiliary gears (281) are meshed with each other, the driving frame (26) is fixedly sleeved on one side of the driving shaft (25) far away from the driving gear (251), and the micro telescopic rod (261) is fixedly installed on the opposite side of the two driving frames (26), the all fixed mounting of drive end of miniature telescopic link (261) has end seat (262), one side that miniature telescopic link (261) was kept away from in end seat (262) all rotates and installs sloping (27), the bottom of sloping (27) all rotates the installation with the top of bottom plate (23).

5. The respiratory assistance device for the critically ill patient according to claim 4, wherein the driving end of the motor (8) penetrates through the sealing plate (7) and is fixedly provided with a small gear (81), one side of the sealing plate (7) close to the flow control assembly (2) is rotatably provided with a connecting shaft (82), the end part of the connecting shaft (82) and one of the driving shafts (25) are coaxially and fixedly arranged, and the outer side of the connecting shaft (82) is fixedly sleeved with a large gear (821) meshed and connected with the small gear (81).

6. The assisted breathing device for critically ill patients according to claim 5, wherein the output end of the oxygen guiding mechanism (3) and the input end of the oxygen guiding bag (211) are fixedly installed, the input end of the oxygen guiding mechanism (3) is fixedly installed with a main pipe (31), and the top end of the main pipe (31) is fixedly installed with a three-way pipe (32).

7. The assisted respiration device for severe patients according to claim 6, wherein the drug injection assembly (4) comprises a piston cylinder (41), the piston cylinder (41) is fixedly mounted on one side of the T-shaped top frame (22) close to the inner wall of the outer frame (1) of the device, a piston rod (42) is movably clamped at one end of the piston cylinder (41), a piston rubber sleeve (421) is fixedly sleeved at the end of the piston rod (42), the piston rubber sleeve (421) is movably clamped in the piston cylinder (41), a drug inlet pipe (43) is integrally formed at the top of the piston cylinder (41), one side of the piston rod (42) far away from the piston rubber sleeve (421) passes through the piston cylinder (41) and is rotatably mounted with an auxiliary rod (44), a driving rod (45) is rotatably mounted at one side of the auxiliary rod (44) far away from the piston rod (42), a rotating shaft (451) is integrally formed at one side of the driving rod (45) far away from the auxiliary rod (44), one end of the rotating shaft (451) far away from the driving rod (45) is coaxially and fixedly arranged with the other driving shaft (25).

8. A respiratory assistance device for critically ill patients according to claim 7, wherein the output end of the nebulizer (9) passes through the middle plate (5) and is fixedly mounted with the drug inlet tube (43).

9. The assisted breathing device for severe patients as claimed in claim 7, wherein the piston cylinder (41) is provided with a discharge tube (46) at the side far away from the piston rod (42), and the end of the discharge tube (46) is fixedly installed with the three-way tube (32).

10. The assisted breathing device for the critically ill patient according to claim 6, wherein the temperature control assembly (6) comprises a temperature control outer frame (61), the temperature control outer frame (61) is fixedly installed at the top end of the middle plate (5), a spiral heating frame (62) is fixedly installed in the temperature control outer frame (61), an oxygen inlet pipe (63) is fixedly inserted into the outer wall of the temperature control outer frame (61), the oxygen inlet pipe (63) movably penetrates through the spiral heating frame (62) and is fixedly provided with an L-shaped pipe (64), the bottom of the L-shaped pipe (64) penetrates through the temperature control outer frame (61), the middle plate (5) and is fixedly installed with the three-way pipe (32), and a temperature control heater (65) connected with the spiral heating frame (62) is fixedly installed at the top end of the temperature control outer frame (61).