CN212453790U

CN212453790U - Infectious aerosol protector

Info

Publication number: CN212453790U
Application number: CN202020776560.7U
Authority: CN
Inventors: 张学尧; 张婷婷
Original assignee: Shanxi University
Current assignee: Shanxi University
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-02-02
Anticipated expiration: 2030-05-12

Abstract

The utility model belongs to the technical field of the protector, a infectivity aerosol protector is related to, comprising a base plate, rectangular frame and transparent protection layer, be provided with a spinal branch vaulting pole on four angles of bottom plate respectively, four angles of rectangular frame are connected with the upper end of four spinal branch vaulting poles respectively, transparent protection layer sets up the upper surface at the bottom plate, and the top edge and the rectangular frame of transparent protection layer are connected, form the cofferdam, the front surface of transparent protection layer is the dodge gate that can pass in and out, outside at transparent protection layer is provided with the air extractor, the inside intercommunication of ventilation pipe and cofferdam is passed through to the suction end of air extractor, end of giving vent to anger at the air extractor is provided with air cleaner, surface at transparent protection layer is provided with a plurality of transoms, evenly be provided with many pairs of. The utility model discloses an isolation capsule infectivity aerosol keeps apart, to having reduced infectivity aerosol concentration in the outside air of isolation capsule, reduces the risk of release aerosol, reduces the infection risk.

Description

Infectious aerosol protector

Technical Field

The utility model belongs to the technical field of the protection of infectious aerosol, concretely relates to infectious aerosol protector.

Background

Lung related procedures in patients with respiratory tract infections, such as: trachea cannula, artificial respiration, sputum aspiration, bronchoscopy, atomization treatment, disconnection of connection of patients and a breathing machine, cardiopulmonary resuscitation and tracheotomy, infectious aerosol is often released, pathogens are diffused through air, infection risks in hospitals are improved, and health of vast medical staff and patients is seriously threatened.

Although necessary personal protection measures such as wearing a mask, goggles, a protective face mask, using a one-piece protective suit and the like can shield the infection risk caused by the infectious aerosol to a certain extent, if the infectious aerosol can be limited in a space as small as possible so as not to be in direct contact with an operator, the concentration of the infectious aerosol in the air is reduced, and the infection risk of the infectious aerosol to healthy personnel can be effectively reduced. During the pandemic period of respiratory infectious diseases, due to the crowded medical resources, the emergency fixed-point recovery and treatment institution is often difficult to establish a standard three-zone, two-channel and two-buffer ward in time and provide sufficient personal protection devices and materials for medical personnel. Therefore, the related medical institutions can quickly and effectively reduce the concentration of the infectious aerosol in the air, and the risk of infection in the hospital with the infectious diseases at fixed points is avoided. However, how to efficiently and cost-effectively limit the infectious aerosol in a small space still remains a problem to be solved.

Disclosure of Invention

The utility model provides an infectivity aerosol protector to above-mentioned problem.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an infectious aerosol protection device comprises a bottom plate, a rectangular frame and a transparent protection layer, wherein four corners of the bottom plate are respectively provided with a supporting rod, the four corners of the rectangular frame are respectively connected with the upper ends of the four supporting rods, the transparent protection layer is arranged on the upper surface of the bottom plate, the upper edge of the transparent protection layer is connected with the rectangular frame, so that an isolation cabin is formed, the front side wall of the transparent protection layer is a movable door which can be used for people to enter and exit, the movable door is connected with the front end surfaces of the left side wall and the right side wall of the transparent protection layer and the bottom plate through magnetic sealing strips, an air extractor is arranged outside the transparent protection layer, the air suction end of the air extractor is communicated with the interior of the isolation cabin through a ventilation pipe, an air filter is arranged at the air outlet end of the air extractor so as to filter and purify the gas coming out from the, the side wall of the transparent protective layer is provided with a plurality of ventilation windows to maintain the internal air pressure of the isolation cabin, a plurality of pairs of operation holes are uniformly formed in the left side wall and the right side wall of the transparent protective layer, operation gloves are arranged on the operation holes to facilitate emergency operation of medical workers, and the transparent protective layer is further provided with a pipe sleeve to penetrate through pipelines such as infusion pipes and oxygen therapy pipes.

Further, the upper end of bracing piece is articulated with rectangular frame, the lower extreme of bracing piece is articulated with the bottom plate the position that both ends are close to the bracing piece around the bottom plate is provided with the limiting plate to prevent the bracing piece outwards rotatory, the bracing piece is formed by two sections montants are articulated the top of articulated portion is provided with two spacing rings on the bracing piece, is provided with the stop collar between two spacing rings, the internal diameter of stop collar is greater than the external diameter of spacing ring the upper end of stop collar is provided with the boss, the internal diameter of boss is less than the external diameter of spacing ring, the boss can slide from top to bottom between two spacing rings, works as the boss is located the below time limit collar can wrap up articulated portion to maintain the vertical state of bracing piece.

And furthermore, the ventilation window is of a three-layer sandwich structure and comprises plastic screen windows on the outer side and the inner side and a ventilation layer in the middle, and the ventilation layer is a polytetrafluoroethylene film or polypropylene melt-blown fabric.

Furthermore, one side of the movable door is provided with a notch, the pipe sleeve is arranged on the side wall corresponding to the notch, an opening is arranged on the pipe sleeve, the pipe sleeve can be opened towards two sides along the opening, the two sides of the opening are both provided with fixed blocks, the opposite surfaces of the two fixed blocks are respectively provided with a corresponding limit groove and a limit block, and the opening realizes the fixation of a closed state through the friction force between the two fixed blocks and the friction force between the limit groove and the limit block.

Furthermore, a filling layer is arranged in the pipe sleeve to block the inner space of the pipe sleeve and prevent a large amount of gas in the isolation cabin from leaking.

Furthermore, a buffer chamber is further arranged on one side of the transparent protective layer, the buffer chamber is composed of an inflatable side wall, a buffer inner door and a buffer outer door, the buffer inner door and the buffer outer door are connected with the inflatable side wall through magnetic sealing strips, a ventilation window is arranged on the buffer outer door, and the air suction end of the air pump is communicated with the interior of the buffer chamber through a ventilation pipe.

Furthermore, a strapping rope is arranged at the upper edge of the transparent protective layer, and the upper edge of the transparent protective layer is connected with the rectangular frame through the strapping rope.

Furthermore, the bottom plate is a hard plastic plate, and the transparent protective layer consists of five surfaces of a top wall, a front side wall, a rear side wall, a left side wall and a right side wall; the transparent protective layers are connected through hot melting or gluing, and the transparent protective layers are connected with the bottom plate through hot melting or gluing, so that the top wall, the rear side wall, the left side wall, the right side wall and the bottom plate are integrated.

Further, the left part and the right part of the bottom plate are both provided with grooves corresponding to the positions of the supporting rods, so that the folded supporting rods can be conveniently placed.

Further, the air filter is a HEPA high efficiency filter.

Furthermore, the rectangular frame and the support rods can be elastic glass fiber tubes or hard plastic tubes;

further, the filling layer may be medical gauze and adhesive tape.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses a combination of transparent protection layer and bottom plate forms the cofferdam, can be high-efficient, low-cost inject the infectivity aerosol in a little space, effectively reduced the infectivity aerosol concentration in the outside air of cofferdam, simultaneously the utility model discloses set up the air extractor and can be fast effectual taking a breath to the inside of cofferdam, make the inside negative pressure that forms of cofferdam simultaneously, further reduce the risk that releases the infectivity aerosol from the cofferdam, set up air cleaner at the end of giving vent to anger of air extractor and filtered the gas that goes out in the cofferdam to reduce the risk of infecting others;

2. the isolation cabin formed by the utility model has larger activity space, and patients can lie, sit or even stand in the isolation cabin, thus being more humanized and comfortable;

3. the utility model is of a detachable structure, which is convenient for transportation, and simultaneously, the utility model is simple to install and convenient for rapid use under emergency;

4. the utility model is provided with the operation hole, which is convenient for medical personnel to carry out emergency operations such as trachea intubation, trachea drawing, tracheotomy and the like on patients without entering the isolation cabin, thereby reducing the risk of infection;

5. the utility model is provided with the ventilation window on the side wall of the transparent protective layer, the ventilation window is of a three-layer sandwich structure, the polytetrafluoroethylene film or the polypropylene melt-blown cloth in the middle part can filter the gas exhausted from the isolation cabin, and the natural breathing of the patient in the isolation cabin can still be ensured under the state of no energy supply;

6. the pipe sleeve of the utility model is arranged at one side of the movement, and the pipe sleeve is an openable structure, thereby realizing the uninterrupted use of related gas and liquid pipelines when a patient enters and exits the isolation cabin;

7. the utility model discloses set up the surge chamber, can cushion the gas of effluvium in the cofferdam through the surge chamber when the transmission thing, infectious aerosol can directly not spread to the cofferdam outside promptly, and the part spreads to the surge chamber after, also can carry out gaseous the change through the air exhauster, has avoided the risk of infectious aerosol direct diffusion in the air.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is an enlarged view of a portion of circle B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of circle A of FIG. 1 in accordance with the present invention;

FIG. 5 is a schematic structural view of the support rod without a stop collar of the present invention;

fig. 6 is an enlarged view of a portion of circle C of fig. 5 according to the present invention;

fig. 7 is a sectional view of the stop collar of the present invention;

fig. 8 is a schematic structural diagram of the sleeve of the present invention;

fig. 9 is a schematic structural view of the buffer chamber of the present invention;

in the figure, a bottom plate-1, a rectangular frame-2, a transparent protective layer-3, a support rod-4, a movable door-5, an air extractor-6, a ventilation pipe-7, an air filter-8, a ventilation window-9, an operation hole-10, a pipe sleeve-11, a limit plate-12, a limit ring-13, a limit sleeve-14, a notch-15, an opening-16, a fixing block-17, a buffer chamber-19, an inflatable side wall-20, a buffer inner door-21, a buffer outer door-22, a binding rope-23 and a groove-24.

Detailed Description

In order to further illustrate the technical solution of the present invention, the present invention is further explained by the following embodiments.

As shown in fig. 1 to 9, the infectious aerosol protection device of the present invention comprises a bottom plate 1, a rectangular frame 2 and a transparent protection layer 3, wherein four corners of the bottom plate 1 are respectively hinged with a support rod 4, the support rod 4 is formed by hinging two vertical rods, two limit rings 13 are arranged above the hinged part on the support rod 4, a limit sleeve 14 is arranged between the two limit rings 13, the inner diameter of the limit sleeve 14 is larger than the outer diameter of the limit ring 13, a boss 25 is arranged at the upper end of the limit sleeve 14, the inner diameter of the boss 25 is smaller than the outer diameter of the limit ring 13, the boss 25 can slide up and down between the two limit rings 13, when the boss 25 is located at the lowest position, the limit sleeve 14 can wrap the hinged part to maintain the vertical state of the support rod 4, grooves 24 corresponding to the positions of the support rods 4 are arranged at the left part and the right part of the bottom plate 1, the foldable support rods 4 are convenient to place, four corners of the rectangular frame 2 are hinged to the upper ends of the four support rods 4 respectively, limiting plates 12 are arranged at the positions, close to the support rods 4, of the front end and the rear end of the bottom plate 1 to prevent the support rods 4 from rotating outwards, the transparent protective layer 3 is arranged on the upper surface of the bottom plate 1, the bottom plate 1 is a hard plastic plate, and the transparent protective layer 3 consists of five surfaces, namely a top wall, a front side wall, a rear side wall, a left side wall and a right side wall; wherein the top wall, the rear side wall, the left side wall and the right side wall are mutually connected through hot melting or gluing, the upper edge of the front side wall is connected with the front end face of the top wall through hot melting or gluing, the lower edges of the top wall, the rear side wall, the left side wall and the right side wall in the transparent protective layer 3 are connected with the bottom plate 1 through hot melting or gluing, the upper edge of the transparent protective layer 3 is connected with the rectangular frame 2 through a binding rope 23 to form an isolation cabin, the side wall of the transparent protective layer 3 is provided with a plurality of ventilation windows 9, each ventilation window 9 is of a three-layer sandwich structure and comprises an outer plastic screen window and an inner plastic screen window and a middle ventilation layer to maintain the internal air pressure of the isolation cabin, each ventilation layer is a polytetrafluoroethylene film or polypropylene melt-blown cloth, a plurality of pairs of operation holes 10 are uniformly arranged on the left side wall and the right side wall of the transparent protective layer, the front side wall of the transparent protective layer 3 is a movable door 5 which can be accessed by people, the movable door 5 is connected with the front end face and the bottom plate 1 of the left and right side walls of the transparent protective layer 3 through a magnetic sealing strip, one side of the movable door 5 is provided with an opening 15, the side wall corresponding to the opening 15 is provided with a pipe sleeve 11 so as to pass through pipelines such as infusion tubes, oxygen tubes and the like, the pipe sleeve 11 is provided with an opening 16, the pipe sleeve 11 can be opened towards two sides along the opening 16, both sides of the opening 16 are provided with fixed blocks 17, the opposite faces of the two fixed blocks 17 are respectively provided with a corresponding limit groove and a limit block, the opening 16 realizes the fixation of a closed state through the friction between the two fixed blocks 17 and the friction between the limit groove and the limit block, a filling layer is arranged in the pipe sleeve 11 so as to block the inner space of the pipe, prevent a large amount of gas leakage in the cofferdam the outside of transparent protection layer 3 is provided with air extractor 6, the end of breathing in of air extractor 6 passes through ventilation pipe 7 and the inside intercommunication of cofferdam the end of giving vent to anger of air extractor 6 is provided with HEPA high efficiency filter 8 to carry out filtration purification to the gas that the cofferdam came out one side of transparent protection layer 3 still is provided with buffer chamber 19, buffer chamber 19 comprises inflatable lateral wall 20, buffering interior door 21 and buffering outer door 22 are connected with inflatable lateral wall 20 through the magnetic seal strip also be provided with transom 9 on the buffering outer door 22, the end of breathing in of air extractor 6 passes through ventilation pipe 7 and the inside intercommunication of buffer chamber 19 to reduce infectious aerosol quantity, reduce the infection risk.

When the air exhaust device is used, the bottom plate 1 and the rectangular frame 2 are connected by the support rod 4, meanwhile, the limiting sleeve 14 on the support rod 4 automatically slides downwards under the action of gravity to wrap the hinged part, so that the vertical state of the support rod 4 is maintained, the upper edge of the transparent protective layer 3 is connected with the rectangular frame 2 through the strapping rope 23 to form an isolation cabin, the inflatable side wall 20 is inflated to form a buffer chamber 19, the ventilation pipe 7 is connected with the air suction end of the air extractor 6, and the isolation cabin and the buffer chamber 19 are exhausted; the movable door 5 on the front side wall of the transparent protective layer 3 can be used for people to enter and exit, the ventilation window 9 on the side wall of the transparent protective layer 3 is used for ventilating the isolation cabin and maintaining the air pressure in the isolation cabin, the operation holes 10 on the left side wall and the right side wall of the transparent protective layer 3 can be used for medical personnel to carry out treatment operation, and the pipe sleeve 11 on the transparent protective layer 3 can be used for penetrating through pipelines such as a transfusion pipe, an oxygen therapy pipe and the like; during short-distance transportation, the foldable support can be directly folded through the support rod 4, and the foldable support is convenient to move.

The essential features and advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An infectious aerosol protective device, comprising: the air-suction type solar energy heat-insulation board comprises a bottom board (1), a rectangular frame (2) and a transparent protective layer (3), wherein four corners of the bottom board (1) are respectively provided with a support rod (4), the four corners of the rectangular frame (2) are respectively connected with the upper ends of the four support rods (4), the transparent protective layer (3) is arranged on the upper surface of the bottom board (1), the upper edge of the transparent protective layer (3) is connected with the rectangular frame (2) so as to form an isolation cabin, the front side wall of the transparent protective layer (3) is a movable door (5) for people to enter and exit, the movable door (5) is connected with the front end faces of the left side wall and the right side wall of the transparent protective layer (3) and the bottom board (1) through magnetic sealing strips, an air suction machine (6) is arranged outside the transparent protective layer (3), and the air suction end of the air suction machine (6), the air outlet end of the air pump (6) is provided with an air filter (8) to filter and purify air discharged from the isolation cabin, the side wall of the transparent protective layer (3) is provided with a plurality of ventilation windows (9) to maintain the internal air pressure of the isolation cabin, a plurality of pairs of operation holes (10) are uniformly formed in the left side wall and the right side wall of the transparent protective layer (3), operation gloves are arranged on the operation holes (10), and a pipe sleeve (11) is further arranged on the transparent protective layer (3) to penetrate pipelines such as an infusion pipe and an oxygen infusion pipe.

2. An infectious aerosol shielding device according to claim 1, further comprising: the upper end of the supporting rod (4) is hinged with the rectangular frame (2), the lower end of the supporting rod (4) is hinged with the bottom plate (1), limiting plates (12) are arranged at positions, close to the supporting rod (4), of the front end and the rear end of the bottom plate (1) to prevent the supporting rod (4) from rotating outwards, the supporting rod (4) is formed by hinging two vertical rods, two limiting rings (13) are arranged above the hinged portion of the supporting rod (4), a limiting sleeve (14) is arranged between the two limiting rings (13), the inner diameter of the limiting sleeve (14) is larger than the outer diameter of the limiting ring (13), a boss (25) is arranged at the upper end of the limiting sleeve (14), the inner diameter of the boss (25) is smaller than the outer diameter of the limiting rings (13), the boss (25) can slide up and down between the two limiting rings (13), and when the boss (25) is located at the lowest, the limiting sleeve (14) can wrap the hinged portion, so as to maintain the vertical state of the support rod (4).

3. An infectious aerosol shielding device according to claim 1, further comprising: the ventilation window (9) is of a three-layer sandwich structure and comprises plastic screen windows on the outer side and the inner side and a ventilation layer in the middle, and the ventilation layer is a polytetrafluoroethylene film or polypropylene melt-blown fabric.

4. An infectious aerosol shielding device according to claim 1, further comprising: one side of the movable door (5) is provided with a notch (15), the pipe sleeve (11) is arranged on the side wall corresponding to the notch (15), an opening (16) is arranged on the pipe sleeve (11), the pipe sleeve (11) can be opened towards two sides along the opening (16), fixing blocks (17) are arranged on two sides of the opening (16), corresponding limiting grooves and limiting blocks are respectively arranged on opposite surfaces of the two fixing blocks (17), and the opening (16) is fixed in a closed state through friction force between the two fixing blocks (17) and friction force between the limiting grooves and the limiting blocks.

5. An infectious aerosol shielding device according to claim 4, further comprising: and a filling layer is arranged in the pipe sleeve (11) to block the inner space of the pipe sleeve (11) and prevent a large amount of gas in the isolation cabin from leaking.

6. An infectious aerosol shielding device according to claim 1, further comprising: the buffer chamber (19) is further arranged on one side of the transparent protective layer (3), the buffer chamber (19) is composed of an inflatable side wall (20), a buffer inner door (21) and a buffer outer door (22), the buffer inner door (21) and the buffer outer door (22) are connected with the inflatable side wall (20) through magnetic sealing strips, a ventilation window (9) is arranged on the buffer outer door (22), and the air suction end of the air pump (6) is communicated with the interior of the buffer chamber (19) through a ventilation pipe (7).

7. An infectious aerosol shielding device according to claim 1, further comprising: and a strapping rope (23) is arranged at the upper edge of the transparent protective layer (3), and the upper edge of the transparent protective layer (3) is connected with the rectangular frame (2) through the strapping rope (23).

8. An infectious aerosol shielding device according to claim 1, further comprising: the bottom plate (1) is a hard plastic plate, and the transparent protective layer (3) consists of five surfaces, namely a top wall, a front side wall, a rear side wall, a left side wall and a right side wall; the transparent protective layers (3) are connected through hot melting or gluing, and the transparent protective layers (3) are connected with the bottom plate (1) through hot melting or gluing.

9. An infectious aerosol shielding device according to claim 1, further comprising: the left part and the right part of the bottom plate (1) are both provided with grooves (24) corresponding to the positions of the support rods (4) so as to conveniently place the folded support rods (4).

10. An infectious aerosol shielding device according to claim 1, further comprising: the air filter (8) is a HEPA high-efficiency filter.