CN213000051U - Negative pressure biological safety type pathological sampling table - Google Patents

Abstract

The utility model provides a negative pressure biological safety type pathological sampling table, which comprises a cabinet body, an exhaust device and an operation table; the operation table is arranged in the cabinet body and divides the space in the cabinet body into an operation area positioned above and an exhaust channel positioned below, the operation table is provided with a vent hole for communicating the operation area and the exhaust channel, the top of the cabinet body is provided with an air inlet communicated with the operation area, the air inlet is provided with a first filtering device, and the exhaust channel is communicated with the exhaust device; the front side of the cabinet body is also provided with a door frame and a cabinet door made of transparent materials, the cabinet door can slide along the height direction to open and close the door frame, and an operation opening can be formed between the bottom end of the cabinet door and the door frame. Can completely and effectively control the pollutants not to be diffused, and does not cause pollution risk to the laboratory environment and the laboratory personnel.

Description

Negative pressure biological safety type pathological sampling table

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to negative pressure biological safety type pathological sampling platform.

Background

The pathological material taking table is ventilation equipment for taking materials in a medical pathology department or a pathology laboratory, and a common pathological material taking table on the market is provided with a semi-closed structure and an open structure, wherein the semi-closed structure is a common one, a top plate, a back plate, left and right side plates or movable glass baffles arranged on the left and right sides are surrounded above the table top of the pathological material taking table with the structure, so that the pathological material taking table is formed into the semi-closed structure, the back plate is provided with an air exhaust channel, and when the table top is used for taking materials, the odor emitted by a test sample is exhausted from the air exhaust channel arranged on the back plate; the pathological sampling table is characterized in that a top plate and a side plate are surrounded above a table top of the pathological sampling table in an open structure, two sides of a front operation surface and a rear operation surface of the pathological sampling table are open, or the front operation surface and the rear operation surface and one side surface of the pathological sampling table are open, an air exhaust channel is arranged below the table top, and when the table top is used for sampling materials, odor emitted by a test sample is exhausted from the air exhaust channel arranged below the.

The semi-closed structure and the open structure are methods for sucking air nearby a backboard exhaust outlet or a table top exhaust outlet to directly guide and discharge gaseous pollutants outdoors, so that the indoor environment and laboratory personnel of a laboratory are protected.

The pathological sampling table of the semi-closed structure or the open structure is provided with one or more surfaces which are completely open, is a rough protection control mode, is arranged like this, and is easily influenced by the movement of personnel around the equipment or the disturbance of airflow caused by other factors, so that the volatile gaseous pollutants can not be completely controlled and are completely discharged from the air outlet, the diffusion of the gaseous pollutants can not be completely and effectively controlled, and the pollution risk to the laboratory environment and the experimenters can also exist to a certain extent.

Therefore, how to provide a pathological sampling table, which can completely and effectively control the pollutant not to diffuse and does not cause pollution risk to the laboratory environment and the laboratory personnel is a technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a negative pressure biological safety type pathological sampling platform can effectively control the pollutant completely and does not spread, does not cause the pollution risk to laboratory internal environment and laboratory staff.

In order to solve the technical problem, the utility model provides a negative pressure biological safety type pathological sampling table, which comprises a cabinet body, an exhaust device and an operation table; the operation table is arranged in the cabinet body and divides the space in the cabinet body into an operation area positioned above and an exhaust channel positioned below, the operation table is provided with a vent hole for communicating the operation area with the exhaust channel, the top of the cabinet body is provided with an air inlet communicated with the operation area, the air inlet is provided with a first filtering device, and the exhaust channel is communicated with the exhaust device; the front side of the cabinet body is also provided with a door frame and a cabinet door made of transparent materials, the cabinet door can slide along the height direction to open and close the door frame, and an operation opening can be formed between the bottom end of the cabinet door and the door frame.

The air inlet of the negative pressure biological safety type pathological sampling platform is arranged at the top end of the negative pressure biological safety type pathological sampling platform, the air exhaust channel is arranged at the bottom end, the air exhaust device is communicated with the air exhaust channel and sucks air in the air exhaust channel, so that the air exhaust channel and the operation area form a dynamic negative pressure state, the air passes through the operation area in the cabinet body from the upper part to the lower part and enters the air exhaust channel through the air vents and is exhausted out of the cabinet body, an operator can manually operate a test sample positioned on the operation platform through the operation opening, the operation opening only provides manual operation for the operator due to the fact that the air enters from the upper part, particularly, in the using process, the cabinet door can be adjusted to slide to a proper position along the height direction, the size of the operation opening can meet the operation requirement, the air inlet does not need to be large, and the air in the operation area is not easily influenced by, avoid inside gaseous pollutant that has volatility from this condition of outdiffusion to avoid causing the pollution risk to environment and experimenter in the laboratory.

Specifically, this cabinet door is transparent material, can be glass or plastics etc. can block gas diffusion and be convenient for see-through observation can, during the operation, operating personnel can stretch into the operation zone with the hand by the handle hole to see through the cabinet door and observe can. In addition, because the cabinet door can follow the relative door frame of direction of height and slide the setting to guarantee when can be through manual operation, make the operation mouth set up minimum, and when not needing manual operation, can with this cabinet door pull-down to with the cooperation of door frame in order to reach the encapsulated situation, can effectively reduce gaseous outdiffusion, improve the security.

In addition, the air inlet is provided with a first filtering device which is used for filtering the gas entering the cabinet body from the air inlet, so that the quality of the gas entering the operation area is ensured, the influence of dust or pollutants and the like carried in the gas on a test sample is avoided, and simultaneously, the first filtering device can also filter the gas discharged from the air inlet, when the operation is finished, the air discharging device is closed, the door frame is closed by the cabinet door, at the moment, the cabinet body forms a totally-enclosed structure, the internal gas can only diffuse outwards from the air inlet at the top, because the air inlet is provided with the first filtering device, the air in the cabinet body needs to be filtered by the first filtering device when being discharged from the air inlet, thereby filtering out the pollutants such as virus or bacteria aerosol mixed in the gas discharged from the air-conditioner, avoiding polluting the external environment and improving the safety.

Optionally, the front side of the console is provided with the vent, and the air entering the cabinet body from the console port can enter the exhaust channel along the vent arranged on the front side of the console to form an air curtain.

Optionally, the ventilation holes are distributed on the front side and the rear side of the console.

Optionally, the cabinet door is disposed in an inclined manner, and the top end of the cabinet door is disposed in the cabinet body in an inclined manner compared with the bottom end of the cabinet door.

Optionally, the first filter device comprises a two-stage filter element.

Optionally, the exhaust device includes an exhaust duct communicated with the exhaust channel and a fan communicated with the exhaust duct.

Optionally, the air-conditioning cabinet further comprises a transition section communicated between the air exhaust channel and the air exhaust pipeline, and the transition section is fixedly arranged at the rear side of the cabinet body.

Optionally, a second filtering device is further arranged in the transition section.

Optionally, the transition section further includes a reducing section, a cross-sectional area of the reducing section is larger than cross-sectional areas of other positions of the exhaust duct, and the second filtering device is disposed in the reducing section.

Optionally, the bottom of the exhaust channel is further provided with a water tank.

Drawings

Fig. 1 is a schematic structural view of a negative pressure bio-safety type pathological sampling table according to an embodiment of the present invention.

In fig. 1, the reference numerals are illustrated as follows:

1-cabinet body, 11-operation area, 12-air exhaust channel, 13-air inlet, 14-door frame, 15-transition section, 16-reducing section and 17-water tank;

2-an exhaust device, 21-an exhaust pipeline and 22-a fan;

3-console, 31-vent;

4-a cabinet door;

5-an operation port;

6-first filtration device, 61-first stage filtration element, 62-second stage filtration element;

7-a second filtration device;

8-an exhaust valve;

9-lower cabinet;

10-shelf.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, fig. 1 is a schematic structural view of a negative pressure bio-safety type pathological sampling table according to an embodiment of the present invention.

The embodiment of the utility model provides a biological safe type pathology of negative pressure platform of drawing materials, as shown in fig. 1, this biological safe type pathology of negative pressure platform of drawing materials includes the cabinet body 1, exhaust device 2 and operation panel 3, wherein, operation panel 3 is located cabinet body 1 and separates into the operation area 11 that is located the top and the passageway 12 of airing exhaust that is located the below with the space of cabinet body 1, operation panel 3 is equipped with intercommunication operation area 11 and the ventilation hole 31 of passageway 12 of airing exhaust, the top of cabinet body 1 is equipped with the air intake 13 with operation area 11 intercommunication, this air intake 13 still is equipped with first filter equipment 6, the front side of cabinet body 1 (meaning towards operating personnel's one side) still is equipped with door frame 14 and transparent material's cabinet door 4, this cabinet door 4 can open and shut door frame 14 and can form operation mouth 5 between cabinet door frame 14 and the bottom of cabinet door.

In detail, the air inlet 13 of the negative pressure biosafety type pathological sampling platform is arranged at the top end, the exhaust channel 12 is arranged at the bottom end, the exhaust device 2 is communicated with the exhaust channel 12 and sucks the air in the exhaust channel 12, so that the exhaust channel 12 and the operation area 11 form a dynamic negative pressure state, the air flow is as shown by arrows in figure 1, the air flows from the top downwards through the operation area 11 in the cabinet body 1, enters the exhaust channel 12 through the vent holes 31 and is exhausted out of the cabinet body 1, an operator can manually operate a test sample positioned on the operation platform 3 through the operation port 5, the operation port 5 is only used for manual operation of the operator due to the fact that the air enters from the top, and particularly in the using process, the cabinet door 4 can be adjusted to slide to a proper position along the height direction, so that the size of the operation port 5 meets the operation requirement, need not to set up great, the gas in the operation zone 11 is difficult for receiving the influence of the disturbance air current that personnel removed or other factors brought around, avoids inside to have the gaseous pollutant of volatility the condition of from this outdiffusion to avoid causing the pollution risk to environment in the laboratory and experimenter.

Specifically, this cabinet door 4 is transparent material, can be glass or plastics etc. can block gas diffusion and be convenient for see-through observation can, during the operation, operating personnel can stretch into operation zone 11 with the hand by operation mouth 5 to see through cabinet door 4 and observe can. In addition, because the cabinet door 4 can be followed the direction of height and slided the setting relative to door frame 14 to guarantee through manual operation, make operation mouth 5 set up minimum, and when not needing manual operation, can pull down this cabinet door 4 to cooperate with door frame 14 in order to reach the encapsulated situation, can effectively reduce gaseous outdiffusion, improve the security.

In addition, the air inlet 13 is provided with a first filtering device 6, the first filtering device 6 is used for filtering the air entering the cabinet body 1 from the air inlet 13, the cleanliness of the air entering the operation area 11 is ensured, and the influence of dust or pollutants and the like carried in the air on a test sample is avoided, meanwhile, the first filtering device 6 can also filter the air discharged from the air inlet 13, after the operation is completed, the air exhaust device 2 is closed, the door frame 14 is closed by the door 4, at this time, the cabinet body 1 forms a totally closed structure, the internal air can only diffuse outwards from the air inlet 13 at the top, because the air inlet 13 is provided with the first filtering device 6, the air in the cabinet body 1 needs to be filtered by the first filtering device 6 when being discharged from the air inlet 13, thereby filtering the pollutants such as virus or bacteria aerosol and the like mixed in the discharged air at the position, avoid polluting the external environment and improve the safety.

In the above embodiment, the ventilation holes 31 are provided on the front side of the console 3, and since the air pressure in the discharge duct 12 is lower than the air pressure in the operation area 11, the air introduced into the cabinet 1 from the operation port 5 can directly enter the discharge duct 12 along the ventilation holes 31 provided on the front side of the console 3, and an air curtain can be formed between the operation port 5 and the ventilation holes 31 provided on the front side of the console 3, and the air curtain can block the operation port 5 and prevent the air in the cabinet 1 from diffusing outward along the operation port 5.

Further, in this embodiment, the vent holes 31 are distributed on the front side and the rear side of the console 3, that is, the air entering the operation area 11 from the top air inlet 13 will enter the air exhaust channel 12 along the vent holes 31 arranged on the front side and the rear side of the console 3 and will be exhausted outside the cabinet 1, however, in this embodiment, the vent holes 31 can be uniformly arranged on the console 3, and when the vent holes 31 are distributed on the front side and the rear side of the console 3, the whole structure can be simplified, and the air flow (as shown by the arrow in fig. 1) can flow downward along the surface of the test sample on the console 3, since the total cross-sectional area of the vent holes 31 is reduced, the flow velocity of the air flow is accelerated, therefore, when the air flow flows downward along the surface of the test sample and passes through the vent holes 31 to enter the air exhaust channel 12, the odor of the test sample can be stably carried away, reducing the diffusion of odor.

In the above embodiment, the cabinet door 4 is disposed in an inclined manner, and the top end of the cabinet door 4 is inclined toward one side in the cabinet body 1 compared with the bottom end, because when the operator operates the test sample in the operation area 11 through the operation opening 5, the condition in the operation area 11 needs to be observed through the cabinet door 4, the upper half of the body of the operator is inclined toward the cabinet body 1 and the observation distance is shortened due to the inclined arrangement of the cabinet door 4, and the operation is convenient to observe.

Specifically, first filter equipment 6 in this embodiment includes two-stage filter unit, that is to say, when gaseous along the air inlet entering cabinet body 1 in, need pass through two-stage filtration, wherein, first stage filter unit 61 is used for carrying out primary filter to gaseous and filters, like dust of great granule etc., second stage filter unit 62 is used for carrying out high efficiency filter to gaseous and filters, like the dust of less granule or the chemical substance that is thoughtlessly in the gaseous, odorous aerosol etc. guarantees the cleanliness factor of gaseous after the two-stage filtration, avoids causing the interference to the test sample.

In the above embodiment, the exhaust device 2 includes the exhaust duct 21 and the blower 22, wherein the exhaust duct 21 is communicated with the exhaust channel 12, and the blower 22 is disposed at the end of the exhaust duct 21 located outdoors and can act on the exhaust duct 21 to make the air pressure of the exhaust channel 12 smaller than the air pressure in the operation area 11, thereby ensuring smooth exhaust.

Further, this biological safe type pathology of negative pressure platform of drawing materials still includes the changeover portion 15 that communicates between exhaust passageway 12 and exhaust duct 21, this changeover portion 15 sets firmly in the rear side of the cabinet body 1 to the top and the exhaust duct 21 intercommunication of this changeover portion 15, the bottom communicates with exhaust passageway 12, because exhaust duct 21 in the laboratory sets up the eminence position usually, consequently, the setting of this changeover portion 15 need not to change current exhaust duct 21 and can satisfy the setting with exhaust passageway 12 intercommunication, improve the suitability of this biological safe type pathology of drawing materials platform of negative pressure.

In addition, in this embodiment, the transition section 15 is further provided with a second filtering device 7 for filtering the discharged gas to make the gas meet the emission standard and be discharged to the atmosphere, thereby avoiding pollution to the external environment. Of course, in this embodiment, a gas processing device may be separately disposed in the exhaust duct 21 or at the rear side of the exhaust duct 21 to filter the exhausted gas, so as to remove the pollutants mixed in the exhausted gas and avoid the pollution to the external environment. And when the second filtering device 7 is arranged in the transition section 15, the second filtering device 7 can be arranged aiming at aerosol pollution possibly generated in the operation process of a test sample in the cabinet body 1, and the existing exhaust device 2 does not need to be changed, so that the integral structure can be simplified, and the cost can be reduced.

Furthermore, the transition section 15 also comprises a reducing section 16, the cross-sectional area of the reducing section 16 is larger than the cross-sectional areas of other parts of the exhaust pipeline 21, the second filtering device 7 is arranged in the reducing section 16, and when gas passes through the reducing section 16, the gas flow is buffered due to the increase of the cross-sectional area, the flow speed is reduced, so that the filtering time is prolonged, the filtering effect is ensured, meanwhile, the impact of the gas flow on the second filtering device 7 can be reduced, and the service life of the second filtering device 7 is prolonged.

In addition, the exhaust pipeline 21 is also provided with an exhaust valve 8, the arrangement of the exhaust valve 8 is suitable for the condition that a plurality of negative pressure biological safety type pathological sampling tables share one fan 22, and is also suitable for some cabinet bodies 1 provided with induction devices, for example, when an operator approaches the operation port 5, the opening of the exhaust valve 8 is increased by increasing the opening of the operation port 5, and the exhaust amount is synchronously increased; and vice versa. Through the induction control device, pollution can be controlled, and meanwhile, the induction control device is environment-friendly and energy-saving.

In the above embodiment, the bottom of the exhaust channel 12 is further provided with a water tank 17 for collecting liquid such as washing water entering the exhaust channel 12 through the vent hole 31. Specifically, as shown in fig. 1, a lower cabinet 9 is further disposed below the cabinet body 1, and the sink 17 protrudes downward and is located in the lower cabinet 9, and the lower cabinet 9 can also provide a placement space for placing other objects.

In addition, still be equipped with the supporter 10 that is used for placing operating means such as cutter in the cabinet body 1, this supporter 10 set firmly in one side inner wall of the cabinet body 1 can, specifically, this supporter 10 accessible magnetic force is fixed with operating means, also can be fixed all with operating means through couple etc..

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A negative pressure biological safety type pathological sampling table is characterized by comprising a cabinet body (1), an exhaust device (2) and an operation table (3);

the operation table (3) is arranged in the cabinet body (1) and divides the space in the cabinet body (1) into an operation area (11) positioned above and an exhaust channel (12) positioned below, the operation table (3) is provided with a vent hole (31) for communicating the operation area (11) with the exhaust channel (12), the top of the cabinet body (1) is provided with an air inlet (13) communicated with the operation area (11), the air inlet (13) is provided with a first filtering device (6), and the exhaust channel (12) is communicated with the exhaust device (2);

the front side of the cabinet body (1) is also provided with a door frame (14) and a cabinet door (4) made of transparent materials, the cabinet door (4) can slide along the height direction to open and close the door frame (14), and an operation opening (5) can be formed between the bottom end of the cabinet door (4) and the door frame (14).

2. The negative-pressure biological safety type pathological sampling table according to claim 1, wherein the ventilation hole (31) is formed in the front side of the operating table (3), and air entering the cabinet body (1) from the operating port (5) can enter the exhaust channel (12) along the ventilation hole (31) formed in the front side of the operating table (3) to form an air curtain.

3. The negative pressure bio-safety type pathological sampling table according to claim 2, characterized in that the ventilation holes (31) are distributed on the front side and the rear side of the operating table (3).

4. The negative pressure bio-safety type pathological sampling table according to any one of claims 1 to 3, wherein the cabinet door (4) is disposed obliquely, and the top end of the cabinet door is disposed obliquely towards the inside of the cabinet body (1) compared with the bottom end of the cabinet door.

5. The negative pressure bio-safe pathological sampling table according to any one of claims 1 to 3, characterized in that the first filtering device (6) comprises a two-stage filtering component.

6. The negative pressure bio-safety type pathological sampling table according to any one of claims 1-3, wherein the exhaust device (2) comprises an exhaust duct (21) communicated with the exhaust channel (12) and a fan (22) communicated with the exhaust duct (21).

7. The negative-pressure biological safety type pathological sampling table as claimed in claim 6, further comprising a transition section (15) communicated between the exhaust channel (12) and the exhaust pipeline (21), wherein the transition section (15) is fixedly arranged at the rear side of the cabinet body (1).

8. The negative pressure bio-safety type pathological material taking table according to claim 7, wherein a second filtering device (7) is further arranged in the transition section (15).

9. The negative pressure bio-safety type pathological material taking table according to claim 8, wherein the transition section (15) further comprises a reducing section (16), the cross-sectional area of the reducing section (16) is larger than that of the other positions of the exhaust pipeline (21), and the second filtering device (7) is arranged in the reducing section (16).

10. The negative pressure biological safety type pathological sampling table as claimed in any one of claims 1-3, wherein a water tank (17) is further arranged at the bottom of the exhaust channel (12).

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