CN115920152A

CN115920152A - ICU severe patient uses drainage equipment

Info

Publication number: CN115920152A
Application number: CN202211697219.2A
Authority: CN
Inventors: 张建松; 刘向楠; 雷鸣
Original assignee: Individual
Current assignee: Beijing Anzhen Hospital
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-07
Anticipated expiration: 2042-12-28
Also published as: CN115920152B

Abstract

The invention discloses drainage equipment for Intensive Care Unit (ICU) patients, which comprises a negative pressure cylinder with an open top end, wherein a drainage hole and a flow transmission hole are formed in the cylinder wall of the negative pressure cylinder, a drainage tube and a flow transmission tube are respectively arranged at the drainage hole and the flow transmission hole, check valves are respectively arranged on the drainage tube and the flow transmission tube, a sealing plate is arranged in the negative pressure cylinder in a sliding sealing and sliding mode, two symmetrically distributed mounting plates are fixedly arranged at the top end of the negative pressure cylinder, a mounting box is fixedly arranged on the side wall of one mounting plate, a driving motor is fixedly arranged in the mounting box, a rotating rod is rotatably arranged on one side, close to the two mounting plates, of the two mounting plates, and an output shaft of the driving motor penetrates through the mounting plates and is fixedly connected with the rotating rods. The invention can replace manual pressing air bags to carry out hydrops drainage operation in the body of a patient, can ensure the consistency of drainage capacity and can effectively improve the drainage efficiency.

Description

ICU severe patient uses drainage equipment

Technical Field

The invention relates to the technical field of drainage equipment, in particular to drainage equipment for ICU severe patients.

Background

Drainage is a surgical treatment. It is a technique for guiding pus, blood or other liquid accumulated between human tissues or in body cavity to the outside of body or in the internal cavity of the body. Surgical drainage does not simply involve introducing fluid accumulated in a tissue or a body cavity to the outside of the body, i.e., external drainage, such as abscess incision, enterostomy, abdominal drainage, thoracic drainage, etc., but also involves internal drainage, i.e., drainage by diverting or shunting fluid through other hollow organs, e.g., internal drainage of biliary tract, pancreatic cyst, etc. Two drainage methods are commonly used, specifically as follows: 1. puncture drainage: the abdominal cavity abscess forming liquid is mainly suitable for abscess or liquid accumulation in the cavity, for example, accumulated liquid is easy to form a package after an abdominal operation, and secondary abscess is formed. In order to drain smoothly and avoid abscess formation, fine needle puncture is performed after drainage liquid is definitely positioned under imaging monitoring, such as ultrasound and CT, so that the liquid is drained; 2. cutting and draining: the utility model is suitable for abscess cavities and abscesses on the body surface, such as abscess formed by common paronychia, mastitis in women lactation, hip pressure sore and abscess easily formed by old people, and under the condition, the part is shallow, and thorough incision and drainage can be performed after anesthetics are applied. Meanwhile, surrounding inflammatory and necrotic tissues can be cleaned and washed, and the growth of fresh granulation tissues is facilitated.

When carrying out the drainage among the prior art, generally through the negative pressure drainage, the drainage device who uses is through pressing the gasbag to realize drainage device's use, when adopting the gasbag to press, need the manual work to press, the speed that the manual work was pressed is difficult to accurate control with the dynamics of pressing, thereby leads to drainage capacity to be difficult to accurate control, consequently, needs design a ICU serious patient and solves above-mentioned problem with drainage equipment.

Disclosure of Invention

The invention aims to provide drainage equipment for ICU severe patients, which has the advantage of accurately controlling the drainage quantity and solves the problem that the accurate control of the pressing speed and force is difficult to realize by manually pressing an air bag.

In order to achieve the purpose, the invention provides the following technical scheme: a drainage device for ICU severe patients comprises a negative pressure cylinder with an open top end, wherein a drainage hole and a fluid delivery hole are formed in the cylinder wall of the negative pressure cylinder, a drainage tube and a fluid delivery tube are respectively arranged at the drainage hole and the fluid delivery hole, and check valves are respectively arranged on the drainage tube and the fluid delivery tube;

the inside sliding seal slidable mounting of a negative pressure section of thick bamboo has the closing plate, just the top fixed mounting of a negative pressure section of thick bamboo has two mounting panels that are the symmetric distribution, one of them the lateral wall fixed mounting of mounting panel has the install bin, just the inside fixed mounting of install bin has driving motor, two one side that the mounting panel is close to each other is all rotated and is installed the dwang, just driving motor's output shaft runs through mounting panel and dwang fixed connection, two the equal fixedly connected with rotor plate of one end that the dwang is close to each other, and two install adjustable horizontal pole between the rotor plate, the articulated swinging arms of installing between horizontal pole and the closing plate.

Further, the equal fixedly connected with regulating block in both ends of horizontal pole, two the gliding adjustment tank of confession regulating block is all seted up to one side that the rotor plate is close to each other, one of them the inside of adjustment tank is rotated and is installed the adjusting screw that the screw thread runs through the regulating block, just adjusting screw's tip extends to the outside fixedly connected with regulation handle of adjustment tank.

Further, the bottom of the negative pressure cylinder is rotated and is installed a first rotating ring and a rotating block located inside the first rotating ring, a first scraper is fixedly connected between the inner wall of the first rotating ring and the rotating block and distributed in an annular array mode, a first driven rod is fixedly connected to the top of the rotating block, a first driven bevel gear is fixedly connected to the top of the first driven rod, a drive plate is fixedly connected to the bottom of the sealing plate, and a first transmission assembly matched with the drive plate and the driven bevel gear is arranged on the inner cylinder wall of the negative pressure cylinder.

Furthermore, the transmission assembly comprises a transmission rod which is rotatably arranged on the inner wall of the negative pressure cylinder in a damping mode, a driven fluted disc is fixedly sleeved on a rod body of the transmission rod, and a driving bevel gear meshed with the driven bevel gear is fixedly connected to the end portion of the transmission rod.

Further, the reset groove that is linear array distribution along the direction of height is seted up to one side of drive plate, just the inside fixed mounting in reset groove has reset spring, reset spring's tip fixedly connected with and driven fluted disc meshed drive block, just the cross-section of drive block is the setting of right trapezoid shape.

Furthermore, a first drainage fan blade is fixedly installed on the first driven rod body and distributed in an annular array.

Further, the honeycomb duct is installed to the defeated orifice department of negative pressure section of thick bamboo, and the terminal fixed mounting of honeycomb duct has the kuppe of being connected with defeated flow tube, the inside rotation of honeycomb duct installs swivel becket two, just the inner wall fixedly connected with of swivel becket two is the connecting plate that the annular array distributes, and is a plurality of the common fixedly connected with driven lever two of tip of connecting plate, the body of rod fixed mounting of driven lever two has drainage flabellum two that is the annular array and distributes, just the body of rod of driven lever two extends to and is provided with drive assembly two between the inside of negative pressure section of thick bamboo and the swivel becket one.

Furthermore, the second transmission plate assembly comprises a driving conical toothed ring fixedly mounted at the top end of the first rotating ring and a connecting rod fixedly mounted at the two end parts of the driven rod in an annular array mode, and the end parts of the connecting rod are fixedly connected with driven conical toothed rings meshed with the driving conical toothed ring.

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

1. according to the invention, the driving motor drives the rotating rod and the rotating plates to rotate, so that the transverse rod between the rotating plates drives the swinging rod to swing in a reciprocating manner, and then the swinging rod drives the sealing plate to reciprocate up and down, so that the negative pressure drainage operation can be realized instead of manpower, and the consistency of the drainage capacity of each time can be ensured.

2. Through the adjustment mechanism who sets up on the rotor plate for the regulating block can be adjusted according to the demand in the position of adjustment tank inside, can enough adjust the distance of regulating block and horizontal pole apart from the dwang central line, makes the swing range that the horizontal pole drove the swinging arms obtain the adjustment, can enough realize adjusting the reciprocating distance that the closing plate is located negative pressure section of thick bamboo inside, can enough carry out the adaptability according to actual demand to the capacity of negative pressure drainage and adjust.

3. Follow the motion of closing plate in vertical direction through the drive plate, thereby can make the drive plate drive the driven fluted disc when downstream and rotate, drive transfer line and drive bevel gear's rotation through the driven fluted disc, then can drive driven bevel gear and driven lever and rotate, make the driven lever drive the swivel becket one, the doctor-bar, turning block and drainage flabellum rotate, make the sputum and the sediment material of deposit in negative pressure cylinder bottom suspend inside the inside drainage fluid of negative pressure cylinder, improve the inside hydrops of negative pressure cylinder and the drainage efficiency of sediment material.

4. The rotating ring drives the conical toothed ring to rotate, the driven conical toothed ring can be synchronously driven to rotate, then the driven rod II and the drainage fan blade II are driven to rotate through the connecting rod, the efficiency of enabling accumulated liquid and sediment materials inside the negative pressure cylinder to enter the flow conveying pipe is improved, and the drainage efficiency of the device is further improved.

To sum up, the device can replace the manual work to press the gasbag and carry out patient's internal hydrops drainage operation to can guarantee the uniformity of drainage capacity, can effectual improvement drainage efficiency simultaneously.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an ICU critical patient drainage device of the present invention;

FIG. 2 is a first cross-sectional view of an ICU critical patient drainage device of the present invention;

FIG. 3 is a second cross-sectional view of an ICU critical patient drainage device of the present invention;

FIG. 4 is an enlarged schematic view of the drainage device for an ICU critically ill patient of the present invention at the location A in FIG. 3;

FIG. 5 is an enlarged schematic view of the drainage device for ICU critically ill patients of the present invention at point B in FIG. 3;

FIG. 6 is a schematic view of a driving plate and a driven fluted disc transmission structure of the drainage device for ICU critically ill patients according to the present invention;

fig. 7 is an enlarged schematic view of the drainage device for an ICU critically ill patient of the present invention at C in fig. 6.

In the figure: 1. a negative pressure cylinder; 2. mounting a plate; 3. installing a box; 4. rotating the rod; 5. a rotating plate; 6. a cross bar; 7. adjusting the handle; 8. an adjusting block; 9. an adjustment groove; 10. a swing lever; 11. a sealing plate; 12. a drainage tube; 13. a fluid delivery pipe; 14. a flow guide pipe; 15. a pod; 16. a drive plate; 17. a transmission rod; 18. a driven fluted disc; 19. a drive bevel gear; 20. a driven bevel gear; 21. a first driven rod; 22. a first drainage fan blade; 23. rotating the ring I; 24. scraping a blade; 25. rotating the block; 26. driving the conical gear ring; 27. a drive motor; 28. a driven conical gear ring; 29. a driven rod II; 30. a second rotating ring; 31. a second drainage fan blade; 32. a connecting plate; 33. a connecting rod; 34. adjusting the screw rod; 35. a reset groove; 36. a return spring; 37. the block is driven.

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 one

Referring to fig. 1, the present invention provides a technical solution: the ICU severe patient drainage device comprises a negative pressure cylinder 1 with an open top end, wherein a drainage hole and a flow transmission hole are formed in the cylinder wall of the negative pressure cylinder 1, a drainage tube 12 and a flow transmission tube 13 are respectively arranged at the drainage hole and the flow transmission hole, and one-way valves are respectively arranged on the drainage tube 12 and the flow transmission tube 13.

Referring to fig. 1 and 3, the inside sliding seal of a negative pressure section of thick bamboo 1 has closing plate 11, and the top fixed mounting of a negative pressure section of thick bamboo 1 has two mounting panels 2 that are the symmetric distribution, the lateral wall fixed mounting of one of them mounting panel 2 has install box 3, and the inside fixed mounting of install box 3 has driving motor 27, one side that two mounting panels 2 are close to each other all rotates installs dwang 4, and driving motor 27's output shaft runs through mounting panel 2 and dwang 4 fixed connection, the equal fixedly connected with rotor plate 5 of one end that two dwang 4 are close to each other, and install adjustable horizontal pole 6 between two rotor plates 5, the articulated swinging arms 10 of installing between horizontal pole 6 and the closing plate 11.

The drainage device for ICU critically ill patients comprises the following specific implementation modes:

the rotating rod 4 is driven to rotate by the driving motor 27, the rotating rod 4 drives the rotating plate 5 to rotate, the rotating plate 5 drives the transverse rod 6 to rotate, so that the transverse rod 6 can drive the swinging rod 10 to be in a reciprocating swing state, the swinging rod 10 drives the sealing plate 11 to do vertical reciprocating motion in the negative pressure cylinder 1, when the sealing plate 11 moves upwards, the check valve on the drainage tube 12 is opened, the check valve on the flow delivery tube 13 is closed, accumulated liquid enters the negative pressure cylinder 1, when the sealing plate 11 moves downwards, the check valve on the drainage tube 12 is closed, the check valve on the flow delivery tube 13 is opened, the accumulated liquid in the negative pressure cylinder 1 is drained to a storage container, therefore, the air bag can be replaced by manual pressing to perform negative pressure drainage operation, and the drainage capacity at each time is kept consistent.

Example two

In this embodiment, an operation of adjusting the single negative pressure drainage capacity is added on the basis of the first embodiment, and referring to fig. 1, 3 and 5, the specific structure includes: the equal fixedly connected with regulating block 8 in both ends of horizontal pole 6, two rotating plates 5 one side that are close to each other all offer and supply the gliding adjustment tank 9 of regulating block 8, and the adjusting screw 34 that the screw thread runs through regulating block 8 is installed in the inside rotation of one of them adjustment tank 9, and adjusting screw 34's tip extends to the outside fixedly connected with regulation handle 7 of adjustment tank 9.

The specific implementation manner of the embodiment for adjusting the negative pressure drainage capacity is as follows:

when the capacity to the negative pressure drainage is required to be adjusted, just need to regulate and control the stroke of closing plate 11 up-and-down motion, also adjust the swing range of swinging arms 10, therefore, only need to adjust the distance between 6 distances of horizontal pole 4 central axes of dwang, when the adjustment, rotate adjusting screw 34 through adjusting handle 7, adjusting screw 34 drives regulating block 8 and slides in regulating groove 9 is inside, thereby can make regulating block 8 drive horizontal pole 6 and remove, can make the distance between 6 distances of horizontal pole 4 central axes of dwang obtain the adjustment from this, both realize adjusting the capacity to the negative pressure drainage.

EXAMPLE III

This embodiment is to add on the basis of embodiment one and inhale the sputum and the sediment material of negative pressure section of thick bamboo 1 bottom to suspend in the inside hydrops of negative pressure section of thick bamboo 1, then along with the inside hydrops discharge's of negative pressure section of thick bamboo 1 operation, refer to fig. 2 and fig. 3, and concrete structure includes: the bottom end of the negative pressure cylinder 1 is rotatably provided with a first rotating ring 23 and a rotating block 25 positioned inside the first rotating ring 23, scraping blades 24 distributed in an annular array are fixedly connected between the inner wall of the first rotating ring 23 and the rotating block 25, the top end of the rotating block 25 is fixedly connected with a first driven rod 21, and drainage fan blades 22 distributed in an annular array are fixedly arranged on a rod body of the first driven rod 21.

Referring to fig. 2, 3, 6 and 7, a driven bevel gear 20 is fixedly connected to the top end of a driven rod 21, a driving plate 16 is fixedly connected to the bottom end of the sealing plate 11, a first transmission assembly matched with the driving plate 16 and the driven bevel gear 20 is arranged on the inner wall of the negative pressure cylinder 1, the first transmission assembly comprises a transmission rod 17 which is installed on the inner wall of the negative pressure cylinder 1 in a damping rotation mode, a driven fluted disc 18 is fixedly connected to a rod body of the transmission rod 17 in a fixing mode, a driving bevel gear 19 meshed with the driven bevel gear 20 is fixedly connected to the end portion of the transmission rod 17, a reset groove 35 which is distributed in a linear array mode in the height direction is formed in one side of the driving plate 16, a reset spring 36 is fixedly installed inside the reset groove 35, a driving block 37 meshed with the driven fluted disc 18 is fixedly connected to the end portion of the reset spring 36, and the section of the driving block 37 is in a right-angle trapezoidal shape.

This embodiment is sucking up sputum and the sediment material of negative pressure section of thick bamboo 1 bottom, and the specific implementation following the inside hydrops discharge of negative pressure section of thick bamboo 1 is as follows:

in the process of the downward movement of the sealing plate 11, the sealing plate 11 pushes the driving plate 16 to move downward, the driving block 37 on the driving plate 16 can drive the driven fluted disc 18 to rotate, the driven fluted disc 18 drives the driving rod 17 to rotate, the driving rod 17 drives the driving bevel gear 19 to rotate, the driving bevel gear 19 drives the driven bevel gear 20 to rotate, the driven bevel gear 20 synchronously drives the driven rod one 21, the rotating block 25, the scraping blade 24 and the rotating ring one 23 to rotate, the scraping blade 24 scrapes the sputum or the sediment at the bottom of the negative pressure cylinder 1, meanwhile, the driven rod one 21 drives the drainage fan blade one 22 to rotate, the sputum or the sediment is sucked up through the drainage fan blade one 22, and then the sputum or the sediment is discharged along with the accumulated liquid inside the negative pressure cylinder 1.

When the sealing plate 11 moves upwards to drive the driving plate 16 to move upwards synchronously, the driving block 37 is in a right-angled trapezoid shape, and the transmission rod 17 is installed on the inner wall of the negative pressure cylinder 1 in a damping and rotating manner, so when the inclined surface of the driving block 37 contacts with the tooth block on the driven fluted disc 18, the tooth block on the driven fluted disc 18 extrudes the driving block 37, the driving block 37 slides towards the inside of the reset groove 35, and the reset spring 36 is extruded, therefore, when the driving plate 16 moves upwards, the driven fluted disc 18 cannot be driven to rotate reversely, and the first drainage fan 22 cannot blow the sputum or the sediment partially suspended in the negative pressure cylinder 1 to the bottom of the negative pressure cylinder 1.

Example four

This embodiment is to add the operation of adsorbing the hydrops in the negative pressure section of thick bamboo 1 on the route of defeated flow tube 13, offsets the suction opening in negative pressure section of thick bamboo 1 bottom, and is perpendicular with the closing plate 11 direction of motion of drainage, the circumstances that the suction efficiency that leads to is low, refer to fig. 1, fig. 3 and fig. 4, and concrete structure includes: a flow guide pipe 14 is installed at a flow transmission hole of the negative pressure cylinder 1, a flow guide cover 15 connected with the flow transmission pipe 13 is fixedly installed at the tail end of the flow guide pipe 14, a rotating ring II 30 is rotatably installed inside the flow guide pipe 14, connecting plates 32 distributed in an annular array are fixedly connected to the inner wall of the rotating ring II 30, driven rod II 29 is fixedly connected to the end portions of the connecting plates 32, drainage fan blades II 31 distributed in an annular array are fixedly installed on the rod body of the driven rod II 29, a transmission assembly II is arranged between the rod body of the driven rod II 29, which extends to the inside of the negative pressure cylinder 1, and the rotating ring I23, a driving conical toothed ring 26 fixedly installed at the top end of the rotating ring I23 and a connecting rod 33 fixedly installed at the end portion of the driven rod II 29 in an annular array, and a driven conical toothed ring 28 meshed with the driving conical toothed ring 26 is fixedly connected to the end portion of the connecting rod 33.

The specific implementation manner of the embodiment that the operation of adsorbing the accumulated liquid inside the negative pressure cylinder 1 is additionally arranged on the path of the flow transmission pipe 13 is as follows:

when the first rotating ring 23 rotates, the first rotating ring 26 can be driven to rotate synchronously, the first rotating ring 26 drives the driven conical toothed ring 28 to rotate, the driven conical toothed ring 28 drives the connecting rod 33, the driven rod two 29 and the drainage fan blades two 31 to rotate, accumulated liquid in the negative pressure cylinder 1 can be adsorbed to the guide flow pipe 14, the guide cover 15 and the inner part of the flow conveying pipe 13 through the drainage fan blades two 31, and the negative pressure drainage efficiency is improved.

The working principle is as follows: this ICU severe patient uses drainage equipment, adjust the capacity of negative pressure drainage earlier during the use, during the adjustment, through adjusting handle 7 rotation adjusting screw 34, adjusting screw 34 drives regulating block 8 and slides in adjustment tank 9 is inside, thereby can make regulating block 8 drive horizontal pole 6 and remove, can make horizontal pole 6 obtain the adjustment apart from the distance between 4 the central axis of dwang from this, both realize adjusting the capacity of negative pressure drainage, then drive dwang 4 through driving motor 27 and rotate, dwang 4 drives rotor plate 5 and rotates, drive horizontal pole 6 through rotor plate 5 and rotate, thereby can make horizontal pole 6 drive swinging arms 10 be in the state of reciprocal swing, swinging arms 10 orders about closing plate 11 and does reciprocating motion from top to bottom inside negative pressure cylinder 1 again, when closing plate 11 moves up, the check valve on drainage tube 12 is opened, the check valve on the defeated flow tube 13 is closed, make the hydrops enter inside negative pressure cylinder 1, when closing plate 11 moves down, the check valve on drainage tube 12 is closed, the check valve on the defeated flow tube 13 is opened, the drainage of the hydrops inside the hydrops cylinder 1 can replace manual pressure to press from this, and keep the drainage capacity of negative pressure drainage unanimous every time.

When the rotating ring I23 rotates, the driving conical toothed ring 26 can be synchronously driven to rotate, the driving conical toothed ring 26 drives the driven conical toothed ring 28 to rotate, the driven conical toothed ring 28 drives the connecting rod 33, the driven rod II 29 and the drainage fan blades II 31 to rotate, accumulated liquid in the negative pressure cylinder 1 can be adsorbed to the inside of the flow guide pipe 14, the flow guide cover 15 and the flow transmission pipe 13 through the drainage fan blades II 31, and the negative pressure drainage efficiency is improved.

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 drainage equipment is used to ICU severe patient which characterized in that: the negative pressure suction cup comprises a negative pressure barrel (1) with an open top end, wherein a drainage hole and a fluid delivery hole are formed in the barrel wall of the negative pressure barrel (1), a drainage tube (12) and a fluid delivery tube (13) are respectively installed at the drainage hole and the fluid delivery hole, and check valves are installed on the drainage tube (12) and the fluid delivery tube (13).

2. An ICU critical patient drainage device of claim 1, wherein: the inside sliding seal slidable mounting of a negative pressure section of thick bamboo (1) has closing plate (11), just the top fixed mounting of a negative pressure section of thick bamboo (1) has two mounting panels (2) that are the symmetric distribution, one of them the lateral wall fixed mounting of mounting panel (2) has install bin (3), just install bin (3) inside fixed mounting has driving motor (27).

3. An ICU critical patient drainage device of claim 2, wherein: two one side that mounting panel (2) are close to each other all rotates installs dwang (4), just the output shaft of driving motor (27) runs through mounting panel (2) and dwang (4) fixed connection, two the equal fixedly connected with rotor plate (5) of one end that dwang (4) are close to each other, and two install adjustable horizontal pole (6) between rotor plate (5), articulated between horizontal pole (6) and closing plate (11) install swinging arms (10).

4. An ICU critical patient drainage device of claim 3, wherein: adjusting blocks (8) are fixedly connected to two ends of the cross rod (6), adjusting grooves (9) for the adjusting blocks (8) to slide are formed in one sides, close to each other, of the two rotating plates (5), an adjusting screw rod (34) with threads penetrating through the adjusting blocks (8) is rotatably installed inside one adjusting groove (9), and an adjusting handle (7) is fixedly connected to the outer portion, extending to the adjusting groove (9), of the end portion of the adjusting screw rod (34); the bottom end of the negative pressure cylinder (1) is rotatably provided with a first rotating ring (23) and a first rotating block (25) located inside the first rotating ring (23), scraping blades (24) distributed in an annular array are fixedly connected between the inner wall of the first rotating ring (23) and the first rotating block (25), the top end of the first rotating block (25) is fixedly connected with a first driven rod (21), the top end of the first driven rod (21) is fixedly connected with a driven bevel gear (20), the bottom end of the sealing plate (11) is fixedly connected with a driving plate (16), and the inner cylinder wall of the negative pressure cylinder (1) is provided with a first transmission assembly matched with the driving plate (16) and the driven bevel gear (20); the first transmission assembly comprises a transmission rod (17) which is installed on the inner wall of the negative pressure cylinder (1) in a damping rotating mode, a driven fluted disc (18) is fixedly connected to a rod body of the transmission rod (17) in a fixing mode, a driving bevel gear (19) meshed with a driven bevel gear (20) is fixedly connected to the end portion of the transmission rod (17), a reset groove (35) which is distributed in a linear array mode in the height direction is formed in one side of the driving plate (16), and a reset spring (36) is fixedly installed inside the reset groove (35); honeycomb duct (14) are installed to the defeated orifice department of negative pressure section of thick bamboo (1), and the end fixed mounting of honeycomb duct (14) has kuppe (15) of being connected with defeated flow tube (13), the inside rotation of honeycomb duct (14) installs swivel becket two (30), just the inner wall fixedly connected with of swivel becket two (30) is connecting plate (32) that the annular array distributes, and is a plurality of the common fixedly connected with driven lever two (29) of tip of connecting plate (32).

5. An ICU critical patient drainage device of claim 4 wherein: the end part of the return spring (36) is fixedly connected with a driving block (37) meshed with the driven fluted disc (18), and the section of the driving block (37) is arranged in a right-angled trapezoid shape.

6. An ICU critical patient drainage device of claim 4, wherein: and the first drainage fan blades (22) distributed in an annular array are fixedly mounted on the first driven rod (21).

7. An ICU critical patient drainage device of claim 4 wherein: the second drainage fan blades (31) distributed in an annular array are fixedly mounted on the second driven rod (29), and a second transmission assembly is arranged between the second driven rod (29) and the first rotating ring (23) and extends to the inside of the negative pressure cylinder (1).

8. An ICU critical patient drainage device of claim 7 wherein: the second transmission plate assembly comprises a driving conical toothed ring (26) fixedly mounted at the top end of the first rotating ring (23) and connecting rods (33) fixedly mounted at the end parts of the second driven rods (29) in an annular array mode, and the end parts of the connecting rods (33) are fixedly connected with driven conical toothed rings (28) meshed with the driving conical toothed ring (26).