CN213372441U

CN213372441U - Filter for electric knife smoke

Info

Publication number: CN213372441U
Application number: CN202021930208.0U
Authority: CN
Inventors: 丁志丹
Original assignee: Second Peoples Hospital of Hefei
Current assignee: Second Peoples Hospital of Hefei
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-08
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a filter for electrotome smog, which comprises a suction head, wherein one end of the suction head is connected with one end of a rubber hose, the other end of the rubber hose is fixedly connected with a first filter, the lower part of the first filter is communicated with one end of a connecting pipe, the other end of the connecting pipe is connected with an air suction port of a negative pressure fan, an air outlet of the negative pressure fan is connected with one end of an air inlet pipe, the filter has simple and reasonable structure, is convenient to manufacture and process, is convenient to install and use, has the functions of filtering harmful substances in the smog and treating the harmful substances, the purified smog can be directly discharged, a baffle plate on a check valve can rotate after being connected with a rotating shaft, the length of the baffle plate is larger than the width of the air inlet, when the check valve is not used, the baffle plate can complete the sealing inside the check valve, and the harmful substances in the smog, the two filters of the smoke mechanism fully filter, and harmful substances can be quickly inactivated.

Description

Filter for electric knife smoke

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to a filter for electrotome smog.

Background

An electrosurgical instrument is a type of electrosurgical instrument that replaces a mechanical scalpel for tissue cutting. When a doctor performs an operation, the cutting is performed in an anoxic environment by using an electrotome, protein and fat in the tissue are not completely combusted, a large amount of iatrogenic smoke is generated, and the iatrogenic smoke contains various toxic and harmful components such as tar, benzene, bacteria, viruses and the like.

The protein contains chemical elements such as carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur and the like, and after being combusted, the protein can be dispersed in the air in the form of gases such as CO2, H2O, NO2 or N2, P2O5, SO2 and the like, a large amount of polycyclic aromatic hydrocarbon compounds can be generated, wherein the polycyclic aromatic hydrocarbon compounds contain strong carcinogens such as benzopyrene and the like, and toxic gases such as NO2, P2O5, SO2 and the like can cause damage to a respiratory system.

The existing electrotome has single structural function, no special smoke sucking and exhausting structural function and no virus filtering and killing capacity, and the harm of iatrogenic smoke exists in an operating room and the environment and has a lot of harm to human health. Although the mask can prevent the pollution to a certain extent, the effect is poor, and the harm of smoke pollution in the environment cannot be avoided.

The electric knife smoke on the one hand obstructs the view of doctors, and on the other hand releases toxic and harmful substances into the air, wherein the chemical components of the electric knife smoke comprise cell debris, invisible small particles, active pathogenic bacteria and viruses, active cancerated cells, toxic and harmful chemical substances and the like. The operation smoke can cause the symptoms of headache, eye and mucous membrane inflammation and the like of operating room personnel, and can also cause long-term potential harm to human health; in order to ensure smooth operation and safety, facilitate the operation, purify the ambient air and reduce the chance of infection, the smoke and the waste gas generated by the electrotome need to be collected in time and are discharged after being effectively filtered, but most of the existing filtering devices have complex structures, high cost and complex operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is complicated, with high costs and operate numerous and diverse to overcome current filter existence structure, the utility model discloses the technical problem that solves provides not enough to prior art existence, the utility model aims to provide a filter for electrotome smog.

The purpose of the utility model can be realized by the following technical scheme:

a filter for electric knife smog comprises a suction head, wherein one end of the suction head is connected with one end of a rubber hose, the other end of the rubber hose is fixedly connected with a first filter, the lower part of the first filter is communicated with one end of a connecting pipe, the other end of the connecting pipe is connected with an air suction port of a negative pressure fan, and an air exhaust port of the negative pressure fan is connected with one end of an air inlet pipe;

the other end of the air inlet pipe is connected with a second filter, the second filter is of a box body structure, a transverse plate is arranged on the inner wall of the left side of the second filter, a vertical plate is fixedly connected with the right side of the transverse plate upwards, a first baffle plate is arranged below the transverse plate, a second baffle plate is further arranged on the bottom wall of the second filter, and the first baffle plate and the second baffle plate are alternately distributed at intervals;

the air inlet pipe is connected with the left side of the second filter, extends towards the inside of the second filter and penetrates through the transverse plate; and the second filter is internally provided with physiological saline, and the liquid level is higher than the transverse plate.

Further, an air outlet is formed in the upper portion of the right side of the second filter, and an air outlet pipe is arranged on the air outlet.

Further, still be provided with the check valve in the intake pipe, the check valve includes the valve case, the valve case left side is provided with the air inlet, the check valve right side is provided with the second gas outlet, both ends are provided with the fixed block about the air inlet, be provided with the axis of rotation on the fixed block, the axis of rotation is connected with the baffle through articulated, can rotate after the baffle is connected the axis of rotation, and the length of baffle is greater than the width of air inlet, and when not using the check valve, the baffle can accomplish the inside sealed of check valve.

Further, still be provided with light, controller, anti-skidding screw thread on the suction head, suction head lower extreme is provided with the light, the light top is provided with the controller, the controller top is provided with anti-skidding screw thread, the controller is connected with light, negative-pressure air fan.

Further, a sealing ring is arranged at the joint of the first filter and the rubber hose.

Furthermore, inside the first filter by rubber hose one side to connecting pipe one side set gradually filter screen layer, active carbon filter layer, filter fibre layer, cold catalyst layer, can filter the harmful substance in the smog and handle harmful substance, filter itself can not become a pollution sources moreover, can not influence the environment, and the smog after the purification can directly discharge.

The utility model has the advantages that:

1. the filter has simple and reasonable structure, is convenient to manufacture and process, is convenient to install and use, can filter harmful substances in smoke and treat the harmful substances, cannot become a pollution source and influence the environment, and the purified smoke can be directly discharged.

2. The baffle in the check valve can rotate after being connected with the rotating shaft, the length of the baffle is larger than the width of the air inlet, when the negative pressure fan stops working, the baffle is tightly attached to the fixing block, and liquid in the second filter can be prevented from flowing back.

3. Harmful substance in the smog passes through first filter and second filter, can be filtered by abundant, because filtration purification time is long, harmful substance can be inactivated fast.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a block diagram of a filter for electrotome smoke in accordance with the present invention;

FIG. 2 is a view showing the internal structure of the check valve of the present invention;

FIG. 3 is an internal structural view of a first filter according to the present invention;

fig. 4 is a structural view of the suction head of the present invention.

In the figure: 1. a suction head; 2. a rubber hose; 3. a first filter; 4. a connecting pipe; 5. a negative pressure fan; 6. an air inlet pipe; 7. a second filter; 8. a transverse plate; 9. a vertical plate; 10. a first baffle plate; 11. a second baffle; 12. a screen layer; 13. an activated carbon filter layer; 14. an air outlet; 15. an air outlet pipe; 16. an air inlet; 17. a second air outlet; 18. a third baffle plate; 19. a rotating shaft; 20. a check valve; 21. a valve housing; 22. a fixed block; 23. a layer of filter fibers; 24. a cold catalyst layer; 25. an illuminating lamp; 26. a controller; 27. anti-skid threads; 28. and (5) sealing rings.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a filter for smoke of an electrotome comprises a suction head 1, wherein one end of the suction head 1 is connected with one end of a rubber hose 2, the other end of the rubber hose 2 is fixedly connected with a first filter 3, the lower part of the first filter 3 is communicated with one end of a connecting pipe 4, the other end of the connecting pipe 4 is connected with an air suction port of a negative pressure fan 5, and an air exhaust port of the negative pressure fan 5 is connected with one end of an air inlet pipe 6;

the other end of the air inlet pipe 6 is connected with a second filter 7, the second filter 7 is of a box body structure, a transverse plate 8 is arranged on the inner wall of the left side of the second filter, the right side of the transverse plate 8 faces upwards to be fixedly connected with a vertical plate 9, a first baffle plate 10 is arranged below the transverse plate 8, a second baffle plate 11 is further arranged on the bottom wall of the second filter 7, and the first baffle plate 10 and the second baffle plate 11 are alternately distributed at intervals;

the air inlet pipe 6 is connected with the left side of the second filter 7, extends towards the inside of the second filter 7 and penetrates through the transverse plate 8; the second filter 7 is internally provided with physiological saline, and the liquid level is higher than the transverse plate 8.

Further, an air outlet 14 is arranged above the right side of the second filter 7, and an air outlet pipe 15 is arranged on the air outlet 14.

Further, the air inlet pipe 6 is further provided with a check valve 20, the check valve 20 comprises a valve housing 21, the left side of the valve housing 21 is provided with an air inlet 16, the right side of the check valve 20 is provided with a second air outlet 17, the upper end and the lower end of the air inlet 16 are provided with fixing blocks 22, the fixing blocks 22 are provided with rotating shafts 19, the rotating shafts 19 are connected with the baffle 18 through hinges, the baffle 18 can rotate after being connected with the rotating shafts 19, the length of the baffle 18 is larger than the width of the air inlet 16, and when the check valve is not used, the baffle 18 can complete sealing of the inside of the.

Further, still be provided with light 25, controller 26, anti-skidding screw thread 27 on attracting head 1, attract head 1 lower extreme to be provided with light 25, light 25 top is provided with controller 26, controller 26 top is provided with anti-skidding screw thread 27, controller 26 is connected with light 25, negative-pressure air fan 5.

Further, a sealing ring 28 is arranged at the joint of the first filter 3 and the rubber hose 2.

Furthermore, a filter screen layer 12, an activated carbon filter layer 13, a filter fiber layer 23 and a cold catalyst layer 24 are sequentially arranged from one side of the rubber hose 2 to one side of the connecting pipe 4 in the first filter 3, so that harmful substances in the smoke can be filtered and treated, the filter per se cannot become a pollution source, the environment cannot be influenced, and the purified smoke can be directly discharged.

The working principle is as follows: because the physiological saline is arranged in the second filter 7, the liquid level is higher than the transverse plate 8 and is in the middle of the vertical plate 9; therefore, when smoke begins to be discharged, the negative pressure fan 5 is started firstly, the suction head 1 sucks smoke generated by the electrotome into the first filter 3 through the rubber hose 2, the smoke is filtered by the filter screen layer 12, the activated carbon filter layer 13, the filter fiber layer 23 and the cold catalyst layer 24 in the first filter 3 and then discharged, the smoke enters the second filter 7 through the air inlet pipe 6, the pipe head of the air inlet pipe 6 extends into the liquid level of physiological saline, the smoke enters the physiological saline and then travels along a channel enclosed by the first baffle 10 and the second baffle 11, and finally is discharged through the air outlet pipe 15 of the air outlet 14, and the structure formed by the first baffle 10 and the second baffle 11 enables the smoke to be filtered in the physiological saline for a longer time.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The filter for the smoke of the electrotome comprises a suction head (1) and is characterized in that one end of the suction head (1) is connected with one end of a rubber hose (2), the other end of the rubber hose (2) is fixedly connected with a first filter (3), the lower part of the first filter (3) is communicated with one end of a connecting pipe (4), the other end of the connecting pipe (4) is connected with an air suction port of a negative pressure fan (5), and an air exhaust port of the negative pressure fan (5) is connected with one end of an air inlet pipe (6);

the other end of the air inlet pipe (6) is connected with a second filter (7), the second filter (7) is of a box body structure, a transverse plate (8) is arranged on the inner wall of the left side of the second filter, a vertical plate (9) is fixedly connected with the right side of the transverse plate (8) upwards, a first baffle (10) is arranged below the transverse plate (8), a second baffle (11) is further arranged on the bottom wall of the second filter (7), and the first baffle (10) and the second baffle (11) are alternately distributed at intervals;

the air inlet pipe (6) is connected with the left side of the second filter (7) and then extends towards the inside of the second filter (7) and penetrates through the transverse plate (8).

2. A filter for electrotome smoke according to claim 1 wherein: an air outlet (14) is formed in the upper portion of the right side of the second filter (7), and an air outlet pipe (15) is arranged on the air outlet (14).

3. A filter for electrotome smoke according to claim 1 wherein: still be provided with check valve (20) on intake pipe (6), check valve (20) are including valve case (21), valve case (21) left side is provided with air inlet (16), check valve (20) right side is provided with second gas outlet (17), both ends are provided with fixed block (22) about air inlet (16), be provided with axis of rotation (19) on fixed block (22), axis of rotation (19) are connected with baffle (18) through articulated.

4. A filter for electrotome smoke according to claim 1 wherein: the suction head (1) is further provided with a lighting lamp (25), a controller (26) and anti-skidding threads (27), the lower end of the suction head (1) is provided with the lighting lamp (25), the controller (26) is arranged above the lighting lamp (25), the anti-skidding threads (27) are arranged above the controller (26), and the controller (26) is connected with the lighting lamp (25) and the negative pressure fan (5).

5. A filter for electrotome smoke according to claim 1 wherein: and a sealing ring (28) is arranged at the joint of the first filter (3) and the rubber hose (2).

6. A filter for electrotome smoke according to claim 1 wherein: a filter screen layer (12), an active carbon filter layer (13), a filter fiber layer (23) and a cold catalyst layer (24) are sequentially arranged from one side of the rubber hose (2) to one side of the connecting pipe (4) in the first filter (3).