Air supply device for operating room

Abstract

The operating room air supply device comprises at least four outer shells with upper openings and lower openings, every four outer shells are connected end to end to define a ceiling unit with a square mounting hole in the center, and the square mounting hole is used for mounting an operating lamp post; a mounting outer frame is arranged in the outer shell, a plurality of mounting grooves are formed in the upper end face of the mounting outer frame, a filter plate frame provided with a filter module is embedded into the mounting grooves and connected with the mounting grooves in a pluggable mode, and an air passing hole is formed in the position, between the top plate and the inner top plate, of the filter plate frame. And air filtering holes vertically communicated with the mounting groove are formed in the side surface of the area, in which the filtering module is arranged, of the mounting outer frame, so that air outside the mounting outer frame can enter the cavity through the filtering module. The ceiling unit can keep the cleanliness and stability of air supply all the time in the process of long-term use and repeated replacement of the filter plate frame, and the structural stability of the ceiling unit in the long-term use process can also be improved.

Description

Technical Field

[0001] The invention relates to the field of medical ceilings, and in particular to an air supply device for an operating room. Background Art

[0002] Laminar flow operating rooms use air clean technology to control microbial contamination sources to varying degrees, so as to achieve air cleanliness in the controlled space environment that is suitable for various types of surgeries. At the same time, they provide appropriate temperature and humidity to create a fresh, clean, comfortable, low-bacteria surgical space environment, reduce the risk of surgical infection, and ensure that patients can recover faster and better after surgery. It mainly includes: air supply ceiling, high-efficiency filter, fan system and control system.

[0003] As an important part of the laminar flow operating room, the laminar flow ceiling usually uses multiple sets of filter plates to perform the final filtration on the air filtered by the air filter. However, the existing laminar flow ceiling needs to remove most parts to replace the filter module. After multiple replacements, the sealing will be greatly reduced, and the cleanliness of the air supply will be reduced during long-term use. Summary of the invention

[0004] The main purpose of the present invention is to provide an operating room air supply device, which can always maintain the cleanliness and stability of the air supply during long-term use and multiple replacements of filter plates and frames, and can also improve the structural stability of the ceiling unit during long-term use.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an operating room air supply device, comprising at least four upper and lower opening outer shells, the outer shell comprising two parallel and oppositely arranged first side panels and two parallel and oppositely arranged second side panels, the first side panels and the second side panels are spaced apart and connected end to end to form the outer shell, the length of the first side panel is greater than the length of the second side panel, and every four of the outer shells are connected end to end to form a ceiling unit with a square mounting hole in the center, and the square mounting hole is used to install an operating lamp column; A top plate is installed at the upper opening of the outer shell, a diffuser is installed on the lower opening of the outer shell, an air inlet is opened on a side surface of the outer shell, an installation outer frame is arranged in the outer shell, the lower end surface of the installation outer frame is sealed with the diffuser, and the upper part of the installation outer frame is sealed with an inner top plate, so that a cavity is formed between the diffuser and the inner top plate; A plurality of mounting grooves are provided on the upper end surface of the mounting outer frame, a filter plate frame with a filter module installed is embedded in the mounting groove and is pluggably connected to the mounting groove, the filter plate frame is provided with an air hole at the middle of the top plate and the inner top plate, and a filter hole vertically penetrating the mounting groove is provided on the side surface of the region where the filter module is built in the mounting outer frame, so that the gas outside the mounting outer frame can enter the cavity through the filter module; A sealing airbag is arranged between the end surface of the filter plate frame close to the cavity and the mounting outer frame, the sealing airbag is arranged circumferentially on the periphery of the filter module, an air pipe connected to the sealing airbag is arranged inside the filter plate frame, the top of the filter plate frame extends upward from the mounting outer frame and is exposed from the top plate, and the end of the air pipe away from the sealing airbag extends to the top of the filter plate frame; The sealing airbag includes an outer sleeve and an air distribution tube located inside the outer sleeve, the air distribution tube is connected to the trachea, and a plurality of air holes are provided on the air distribution tube at intervals so that the outer sleeve is connected to the trachea through the air holes, and the inner diameter of the air holes gradually increases in the direction away from the connection between the trachea and the air distribution tube.

[0006] The further improved scheme in the above technical scheme is as follows: 1. In the above scheme, an air sealing plate is provided at the air inlet.

[0007] 2. In the above scheme, a square mounting groove is provided in the square mounting hole, and the four air sealing plates are respectively installed on the square mounting groove.

[0008] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: 1. In the air supply device for an operating room of the present invention, a sealing airbag is arranged between the end surface of the filter plate frame close to one side of the cavity and the mounting outer frame, the sealing airbag is circumferentially arranged on the periphery of the filter module, an air pipe connected to the sealing airbag is arranged inside the filter plate frame, the top of the filter plate frame extends upward from the mounting outer frame and is exposed from the top plate, and the end of the air pipe away from the sealing airbag extends to the top of the filter plate frame, which is convenient for multiple plugging and unplugging and replacement of the filter plate frame, and can always maintain the cleanliness and stability of the air supply during long-term use and multiple replacement of the filter plate frame.

[0009] 2. In the air supply device for an operating room of the present invention, a sealing airbag located between the filter plate frame and the mounting outer frame comprises an outer sleeve and an air distribution duct located inside the outer sleeve, the air distribution duct being connected to the trachea, and having a plurality of air holes spaced apart on the air distribution duct, so that the outer sleeve is connected to the trachea through the air holes, which not only makes the inflation and deflation of the sealing airbag uniform and stable, but also avoids the shaking of the ceiling unit caused by excessive pressure changes at the moment of inflation and deflation, thereby improving the structural stability of the ceiling unit during long-term use; further, a plurality of air holes are spaced apart on the air distribution duct, and the inner diameter of the air holes gradually increases in the direction away from the connection between the trachea and the air distribution duct, thereby further improving the uniformity and stability of the inflation and deflation of the sealing airbag, and improving the consistency of the air supply quality and the structural stability of the ceiling unit during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Attached Figure 1 The overall schematic diagram of the operating room air supply device of the present invention is Figure 1 ; Attached Figure 2 The overall schematic diagram of the operating room air supply device of the present invention is Figure 2 ; Attached Figure 3 It is a structural schematic diagram of the air supply device for an operating room of the present invention; Attached Figure 4 It is an assembly diagram of the filter plate frame and the mounting outer frame in the air supply device for an operating room of the present invention; Attached Figure 5 It is a partial cross-sectional schematic diagram of the air supply device for an operating room of the present invention; Attached Figure 6 for Figure 5 A magnified view of the structure at A; Attached Figure 7 for Figure 5 A magnified view of the structure at B; Attached Figure 8 It is a schematic diagram of the structure of the mounting groove and the air filter holes for mounting the outer frame in the present invention; Attached Fig. 9 It is a cross-sectional view of the internal structure of the sealed airbag in the present invention; Attached Fig.10 It is an enlarged schematic diagram of the air holes in the air supply device for the operating room of the present invention.

[0011] In the above figures: 1. outer shell; 101. first side plate; 102. second side plate; 103. square mounting hole; 2. diffuser plate; 3. top plate; 5. filter plate frame; 7. airtight cover; 8. one-way valve; 9. air hole; 10. sealing air bag; 11. air pipe; 12. filter module; 13. inner top plate; 14. mounting outer frame; 16. air sealing plate; 17. square mounting groove; 20. air inlet; 21. cavity; 22. mounting groove; 23. filter hole; 24. outer sleeve; 25. air distribution pipe; 26. air hole. DETAILED DESCRIPTION

[0012] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0013] Embodiment 1: An operating room air supply device comprises at least four upper and lower opening outer shells 1, the outer shell 1 comprises two parallel and oppositely arranged first side panels 101 and two parallel and oppositely arranged second side panels 102, the first side panels 101 and the second side panels 102 are spaced apart and connected end to end to form the outer shell 1, the length of the first side panel 101 is greater than the length of the second side panel 102, and every four outer shells 1 are connected end to end to form a ceiling unit with a square mounting hole 103 in the center; A top plate 3 is installed at the upper opening of the outer shell 1, a diffuser plate 2 is installed on the lower opening of the outer shell 1, an air inlet 20 is opened on a side surface of the outer shell 1, an installation outer frame 14 is arranged inside the outer shell 1, the lower end surface of the installation outer frame 14 is sealed and connected to the diffuser plate 2, and the upper part of the installation outer frame 14 is sealed and connected to an inner top plate 13, so that a cavity 21 is formed between the diffuser plate 2 and the inner top plate 13, and the inner top plate 13 can be a filter plate; A plurality of mounting grooves 22 are formed on the upper end surface of the mounting outer frame 14, a filter plate frame 5 with a filter module 12 is embedded in the mounting groove 22 and is pluggably connected to the mounting groove 22, and a filter hole 23 is formed on the side surface of the region where the filter module 12 is built in the mounting outer frame 14, which is vertically connected to the mounting groove 22, so that the gas outside the mounting outer frame 14 can enter the cavity 21 through the filter module 12; A sealing airbag 10 is arranged between the end surface of the filter plate frame 5 close to the cavity 21 and the mounting outer frame 14. The sealing airbag 10 is circumferentially arranged on the periphery of the filter module 12. An air pipe 11 connected to the sealing airbag 10 is arranged inside the filter plate frame 5. The top of the filter plate frame 5 extends upward from the mounting outer frame 14 and is exposed from the top plate 3. The air pipe 11 extends from one end away from the sealing airbag 10 to the top of the filter plate frame 5. The sealed airbag 10 includes an outer sleeve 24 and an air distribution tube 25 located inside the outer sleeve 24. The air distribution tube 25 is connected to the air pipe 11. A plurality of air holes 26 are provided at intervals on the air distribution tube 25, so that the outer sleeve 24 is connected to the air pipe 11 through the air holes 26. The inner diameter of the air holes 26 gradually increases in the direction away from the connection between the air pipe 11 and the air distribution tube 25.

[0014] The square mounting hole 103 is used to mount the surgical lamp post.

[0015] Among the four outer shells 1 forming the ceiling unit, a second side plate 102 of any outer shell 1 is connected to one end of a first side plate 101 of an adjacent outer shell 1 .

[0016] The filter plate frame 5 is provided with an air hole 9 located between the top plate 3 and the inner top plate 13 .

[0017] Embodiment 2: An operating room air supply device comprises at least four upper and lower opening outer shells 1, the outer shell 1 comprises two parallel and oppositely arranged first side panels 101 and two parallel and oppositely arranged second side panels 102, the first side panels 101 and the second side panels 102 are arranged at intervals and connected end to end to form the outer shell 1, the length of the first side panel 101 is greater than the length of the second side panel 102, and every four outer shells 1 are connected end to end to form a ceiling unit with a square mounting hole 103 in the center; A top plate 3 is installed at the upper opening of the outer shell 1, a diffuser plate 2 is installed at the lower opening of the outer shell 1, an air inlet 20 is opened on a side surface of the outer shell 1, an installation outer frame 14 is arranged inside the outer shell 1, the lower end surface of the installation outer frame 14 is sealed and connected to the diffuser plate 2, and the upper part of the installation outer frame 14 is sealed and connected to an inner top plate 13, so that a cavity 21 is formed between the diffuser plate 2 and the inner top plate 13; A plurality of mounting grooves 22 are formed on the upper end surface of the mounting outer frame 14, a filter plate frame 5 with a filter module 12 is embedded in the mounting groove 22 and is pluggably connected to the mounting groove 22, and a filter hole 23 is formed on the side surface of the region where the filter module 12 is built in the mounting outer frame 14, which is vertically connected to the mounting groove 22, so that the gas outside the mounting outer frame 14 can enter the cavity 21 through the filter module 12; A sealing airbag 10 is arranged between the end surface of the filter plate frame 5 close to the cavity 21 and the mounting outer frame 14. The sealing airbag 10 is circumferentially arranged on the periphery of the filter module 12. An air pipe 11 connected to the sealing airbag 10 is arranged inside the filter plate frame 5. The top of the filter plate frame 5 extends upward from the mounting outer frame 14 and is exposed from the top plate 3. The air pipe 11 extends from one end away from the sealing airbag 10 to the top of the filter plate frame 5. The sealed airbag 10 includes an outer sleeve 24 and an air distribution tube 25 located inside the outer sleeve 24. The air distribution tube 25 is connected to the air pipe 11. A plurality of air holes 26 are provided at intervals on the air distribution tube 25, so that the outer sleeve 24 is connected to the air pipe 11 through the air holes 26. The inner diameter of the air holes 26 gradually increases in the direction away from the connection between the air pipe 11 and the air distribution tube 25.

[0018] Each of the air inlets 20 on the outer shell 1 is communicated with the square mounting hole 103 .

[0019] An air sealing plate 16 is disposed at the air inlet 20 .

[0020] A square mounting groove 17 is disposed in the square mounting hole 103 , and the four air sealing plates 16 are respectively mounted on the square mounting groove 17 .

[0021] A one-way valve 8 is provided on the air pipe 11 , and an airtight cover 7 is provided at one end of the air pipe 11 extending to the top of the filter plate frame 5 .

[0022] Working principle: The purified air enters the outer shell 1 through the air inlet 20, and then passes through the filter module 12 into the cavity 21 surrounded by the filter module 12, the diffuser plate 2, and the inner top plate 13. The air is filtered by the filter module 12 for the last time, and then enters the cavity 21 for static pressure after filtration. After static pressure, the airflow is balanced by the flow equalization membrane, and then dispersed into the operating room through the diffuser plate 2 after balancing. When the filter module 12 needs to be replaced, first unscrew the airtight cover 7, then push the one-way valve 8 open to exhaust air through the metal tube, release the air in the sealed airbag 10 through the air pipe 11, retract the sealed airbag 10 into the filter plate frame 5, and then remove the fixing bolts to pull out the filter plate frame 5 and the filter module 12 as a whole and replace the filter module 12; After replacing the filter module 12, insert the filter plate frame 5 back into the installation outer frame 14, and inject air into the sealing airbag 10 through the air pipe 11 to fill the sealing airbag 10 and seal it with the installation outer frame 14. Prevent air from flowing out through the one-way valve 8, and then reinforce the seal with the airtight cover 7. Finally, screw in the fixing bolts and lock them through the bolt holes and the fixing bolts to complete the seal. When the outer shell 1 is not fully filled, the excess position is blocked by the air sealing plate 16.

[0023] When the above-mentioned air supply device for an operating room is used, it is convenient for multiple plugging and unplugging and replacement of the filter plate frame, and the cleanliness and stability of the air supply can be always maintained during long-term use and multiple replacement of the filter plate frame; Furthermore, the sealing airbag located between the filter plate frame and the mounting outer frame includes an outer sleeve and an air distribution pipe located in the outer sleeve, the air distribution pipe is connected with the air pipe, and a plurality of air holes are arranged at intervals on the air distribution pipe, so that the outer sleeve is connected with the air pipe through the air holes, so that the inflation and deflation of the sealing airbag are uniform and stable, and the shaking of the ceiling unit caused by excessive pressure changes at the moment of inflation and deflation can be avoided, thereby improving the structural stability of the ceiling unit during long-term use; Furthermore, a number of air holes are spaced apart on the air distribution duct, and the inner diameter of the air holes gradually increases in the direction away from the connection between the air duct and the air distribution duct, further improving the uniformity and stability of inflation and deflation of the sealing airbag, and improving the consistency of air supply quality and structural stability during long-term use of the ceiling unit.

[0024] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. An operating room air supply device, comprising at least four outer shells (1) with upper and lower openings, characterized in that: The outer shell (1) comprises two first side panels (101) arranged in parallel and opposite to each other and two second side panels (102) arranged in parallel and opposite to each other, the first side panels (101) and the second side panels (102) being arranged at intervals and connected end to end to form the outer shell (1), the length of the first side panels (101) being greater than the length of the second side panels (102), and every four of the outer shells (1) being connected end to end to form a ceiling unit having a square mounting hole (103) in the center, the square mounting hole (103) being used to mount an operating lamp post; A top plate (3) is installed at the upper opening of the outer shell (1), a diffuser plate (2) is installed at the lower opening of the outer shell (1), an air inlet (20) is opened on a side surface of the outer shell (1), an installation outer frame (14) is arranged inside the outer shell (1), the lower end surface of the installation outer frame (14) is sealedly connected to the diffuser plate (2), and the upper part of the installation outer frame (14) is sealedly connected to an inner top plate (13), so that a cavity (21) is formed between the diffuser plate (2) and the inner top plate (13); A plurality of mounting grooves (22) are formed on the upper end surface of the mounting outer frame (14); a filter plate frame (5) on which a filter module (12) is mounted is embedded in the mounting groove (22) and is pluggably connected to the mounting groove (22); the filter plate frame (5) is provided with an air hole (9) located between the top plate (3) and the inner top plate (13); and a filter hole (23) vertically penetrating the mounting groove (22) is formed on the side surface of the region of the mounting outer frame (14) in which the filter module (12) is built, so that gas outside the mounting outer frame (14) can enter the cavity (21) through the filter module (12); A sealing airbag (10) is arranged between the end surface of the filter plate frame (5) on one side close to the cavity (21) and the mounting outer frame (14); the sealing airbag (10) is arranged circumferentially on the periphery of the filter module (12); an air pipe (11) in communication with the sealing airbag (10) is arranged inside the filter plate frame (5); the top of the filter plate frame (5) extends upward from the mounting outer frame (14) and is exposed from the top plate (3); and an end of the air pipe (11) away from the sealing airbag (10) extends to the top of the filter plate frame (5); The sealing airbag (10) comprises an outer sleeve (24) and an air distribution tube (25) located inside the outer sleeve (24); the air distribution tube (25) is connected to the air pipe (11); a plurality of air holes (26) are provided on the air distribution tube (25) at intervals, so that the outer sleeve (24) is connected to the air pipe (11) through the air holes (26); the inner diameter of the air holes (26) gradually increases in a direction away from the connection between the air pipe (11) and the air distribution tube (25).

2. The operating room air supply device according to claim 1, characterized in that: An air sealing plate (16) is provided at the air inlet (20).

3. The operating room air supply device according to claim 2, characterized in that: A square mounting groove (17) is provided in the square mounting hole (103), and the four air sealing plates (16) are respectively mounted on the square mounting groove (17).

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