CN221131485U - Fume extractor for laparoscopic surgery - Google Patents

Abstract

The utility model relates to the technical field of medical instruments for laparoscopic surgery, in particular to a smoke evacuation fog device for laparoscopic surgery. The smoke exhaust device comprises a smoke exhaust box, wherein an air inlet is formed in the side wall of the smoke exhaust box, a filter pipe is detachably connected to the air inlet, the filter pipe is connected with an air suction pipe through a hose, and a filter assembly is arranged in the filter pipe; the smoke exhaust box is internally provided with an air exhaust component, and one side of the air exhaust component is provided with a filter capable of purifying smoke. The device can adsorb harmful substance in the laparoscopic surgery production smog, avoids toxic substance to enter into in the smoke discharging box and leads to smoke discharging box internal pollution, avoids secondary pollution, improves safety in utilization.

Description

Fume extractor for laparoscopic surgery

Technical Field

The utility model relates to the technical field of medical instruments for laparoscopic surgery, in particular to a smoke evacuation fog device for laparoscopic surgery.

Background

Laparoscopes are endoscopes used for intraperitoneal examination and treatment, which can visualize the condition of a patient's body in front of a computer screen without opening the abdomen, and perform precise surgical operations, and laparoscopic surgical devices generally include a laparoscopic Trocar (laparoscope puncture outfit) and a laparoscopic aspirator. Under the action of various electric power, magnetic force and mechanical energy in the operation, blood, tissue powder, respiratory tract secretion, wound pus, excrement, dander and the like of a patient form aerosol with extremely small particles, and in the operation, a large amount of smoke containing cancerogenic substances dioxin can be generated by working and firing on human tissues by using an electric knife or an ultrasonic knife. At present, in laparoscopic surgery, a laparoscopic aspirator is connected with a negative pressure suction box through an aspirator pipeline, and harmful smog generated in laparoscopic surgery is directly discharged into the air outside a body cavity through a valve of a laparoscopic puncture outfit and is directly scattered into an operating room, so that direct iatrogenic exposure is caused, and the aerosols and the harmful smog are suspended in the air and possibly enter the body of medical staff through respiratory tracts and mucous membranes, thereby affecting the health of staff in the operating room.

The utility model discloses a smog suction exhaust apparatus for laparoscopic surgery in the chinese patent document of application number 202122605200.8, including the exhaust apparatus body, motor is installed to exhaust apparatus body one side inner wall, motor output fixed connection inhales the turbine, the hose is installed to exhaust apparatus body one side, the hose surface cup joints the catch, catch one side is equipped with fastening bolt, hose one end is equipped with the breathing pipe, the screw hole is seted up to exhaust apparatus body one side surface, the screw hole inner wall is equipped with the filter vat, can conveniently discharge the internal smog of patient fast and filter a large amount of harmful gas and smell from in the smog, reduce the smell influence of smog to the operation environment and reduce the injury of toxic gas to medical personnel human body, make the operation environment more favourable, improve the operation increase success rate, and conveniently wash and change the filter, improve the cleanliness factor of exhaust.

However, the above patent has the following disadvantages in practical use: after the use is finished, although the filter vat can be detached for cleaning and replacement, in the use process, some bacteria or viruses can adhere to the inner wall of the box body or the air suction turbine, so that the filter vat is inconvenient to clean, secondary pollution is caused, and the use safety is affected. Accordingly, the present utility model has been made.

Disclosure of utility model

The utility model aims to provide a smoke exhaust fog device for laparoscopic surgery, which can adsorb harmful substances in smoke generated by laparoscopic surgery, avoid the pollution inside a smoke exhaust box caused by the entry of the toxic substances into the smoke exhaust box, avoid secondary pollution and improve the use safety.

The utility model provides a smoke exhaust fog device for laparoscopic surgery, which comprises a smoke exhaust box, wherein the side wall of the smoke exhaust box is provided with an air inlet, a filter pipe is detachably connected to the air inlet, the filter pipe is connected with an air suction pipe through a hose, and a filter component is arranged in the filter pipe; the smoke exhaust box is internally provided with an air exhaust component, and one side of the air exhaust component is provided with a filter capable of purifying smoke.

Further, the filter component comprises filter cotton, wherein the two sides of the filter cotton are provided with net plates, and the net plates are fixedly connected with the inner wall of the filter pipe.

Further, lava spraying is arranged at one end, close to the smoke exhaust box, inside the filter pipe.

Further, the side wall of the smoke exhaust box is detachably connected with an adapter, the adapter is rotationally connected with a connecting cylinder, and the connecting cylinder is in threaded connection with the filter pipe.

Further, one end of the connecting cylinder is provided with a protrusion, one end of the adapter, which is far away from the smoke exhaust box, is internally provided with a chute, and the protrusion is in sliding connection with the chute.

Further, the top wall of the smoke exhaust box is provided with a first mounting groove, the bottom of the smoke exhaust box is provided with a second mounting groove, two ends of the outer frame of the filter are respectively and slidably connected in the first mounting groove and the second mounting groove, and the outer frame is fixedly connected with the first mounting groove through a locking piece.

Further, the locking piece comprises elastic buckles symmetrically arranged at the top of the outer frame, a clamping groove is formed in the first mounting groove, and the elastic buckles are located in the clamping groove.

Further, a cover plate is arranged at the top of the outer frame and is connected with the outer frame through bolts.

Further, the air extraction assembly comprises a motor, and a plurality of wind blades are fixed at the output end of the motor; the inner wall of the smoke exhaust box is provided with an ultraviolet lamp which can sterilize the motor and the fan blades.

Further, a plurality of exhaust holes are formed in the side wall, close to the filter, of the smoke exhaust box.

In summary, compared with the prior art, the utility model has the following advantages:

According to the technical scheme, the detachable filter pipe is arranged at the air inlet of the smoke discharging box, smoke generated in laparoscopic surgery is sucked into the smoke discharging box through the filter pipe by the air suction assembly, harmful substances are adsorbed by the filter assembly, so that the pollution in the smoke discharging box caused by the fact that the toxic substances enter the smoke discharging box is avoided, the cleaning difficulty is reduced, secondary pollution is avoided, and the use safety is improved; and through setting up the filter and purifying the smog of the incasement portion of discharging fume in the incasement portion of discharging fume, improve purifying effect, reduce the smell influence of smog to the operation environment and reduce the injury of poisonous gas to medical personnel's health.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a smoke exhaust apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a smoke exhaust apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing the connection of a filter tube, a connecting cylinder and an adapter in an embodiment of the present utility model;

fig. 4 is an enlarged view of a portion of fig. 2a in accordance with the present utility model.

Reference numerals illustrate: 1-smoke exhaust box, 101-cavity, 102-first mounting groove, 103-clamping groove, 104-air inlet, 105-exhaust hole, 106-second mounting groove, 2-motor, 201-wind blade, 202-supporting frame, 3-adapter, 301-first screw thread cylinder, 4-connecting cylinder, 401-bulge, 402-second screw thread cylinder, 403-first sealing ring, 5-filter tube, 501-air suction pipe, 502-screen, 503-filter cotton, 504-lava spray, 505-hose, 6-ultraviolet lamp, 7-filter, 701-outer frame, 702-cover plate, 703-elastic buckle, 704-second sealing ring, 705-bolt.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

The utility model provides a laparoscopic surgery is with fog device that discharges fume, including the smoke discharging case 1, smoke discharging case 1 lateral wall is equipped with air inlet 104, smoke discharging case 1 inside is equipped with cavity 101, air inlet 104 and cavity 101 intercommunication, and air inlet 104 department can dismantle and be connected with filter tube 5, and filter tube 5 passes through hose 505 and is connected with breathing pipe 501, and the inside one end that is close to air inlet 104 of smoke discharging case 1 is equipped with the subassembly of bleeding, and subassembly one side of bleeding is equipped with filter 7, and smoke discharging case 1 is close to and opens on filter 7's the lateral wall has a plurality of exhaust hole 105, as shown in fig. 1 and fig. 2.

The air extraction assembly comprises a motor 2, wherein one end of a cavity 101 is fixedly connected with the motor 2 through a support frame 202, the output end of the motor 2 is fixedly connected with fan blades 201, at least two groups of fan blades 201 are arranged, and the fan blades are uniformly distributed on an output shaft of the motor 2. When in use, the motor 2 is started to rotate with the wind blade 201, negative pressure is generated in the cavity 101, and smoke generated in laparoscopic surgery is sucked into the cavity 101 through the filter tube 5. The ultraviolet lamp 6 is fixedly connected in the cavity 101, the light irradiation angle of the ultraviolet lamp 6 is aligned with the motor 2 and the fan blade 201, and in the use process or after the use is finished, the surfaces of the fan blade 201, the motor 2 and the like can be sterilized, so that the manual cleaning times and difficulty are reduced, secondary pollution can be avoided, and the use safety is improved.

The filter pipe 5 is detachably connected to the smoke exhaust box 1, the filter pipe 5 is fixedly connected with the hose 505, the hose 505 is fixedly connected with the air suction pipe 501, and after the use is finished, the filter pipe 5, the hose 505 and the air suction pipe 501 can be integrally thrown into a garbage can for subsequent treatment. As shown in fig. 3, a filter assembly is disposed in the filter tube 5, the filter assembly includes filter cotton 503, two sets of net plates 502 are fixedly connected in the filter tube 5, the filter cotton 503 is filled between the two sets of net plates 502, the position of the filter cotton 503 can be ensured to be reliable, and one end, close to the smoke exhaust box 1, in the filter tube 5 is fixedly connected with melt-blown cloth 504. The interception and adsorption effects on viruses can be further improved through the arranged lava spraying cloth 504, and harmful substances are prevented from entering the smoke exhaust box 1; the filter cotton 503 is prevented from being drawn away, and the use effect is prevented from being affected. The filter cotton 503 can adopt activated carbon cotton, is similar to a soft cotton-like substance, is formed by mixing activated carbon particles and fiber fabrics, has better softness and air permeability, has high adsorption capacity, can effectively remove peculiar smell, toxic gas, harmful substances and the like in smoke, can avoid the toxic substances from entering the smoke exhaust box 1, and can lead the smoke exhaust box 1 to be polluted, improve the use effect of the smoke exhaust box 1 and reduce the cleaning difficulty.

The smoke exhaust box 1 is detachably connected with the adapter 3, one end of the adapter 3 is fixedly connected with the first thread cylinder 301 which is in threaded connection with the air inlet 104, and the threads adopt pipe threads with tightness, so that on one hand, the connection effect can be ensured, and on the other hand, the influence of air leakage can be reduced; the other end of the adapter 3 is rotationally connected with a connecting cylinder 4, an inner thread 505 is arranged on the inner wall of the filter tube 5, and one end of the connecting cylinder 4 is fixedly connected with a second thread cylinder 402 which is in threaded connection with the inner thread 505, so that the connecting effect can be ensured. When the filter tube is used, a raw material belt can be wound on the outer wall of the second thread cylinder 402, so that air leakage can be reduced, an annular protrusion 401 is arranged at one end of the connecting cylinder 4 far away from the filter tube 5, a sliding groove corresponding to the protrusion 401 is formed in the adapter 3, and the protrusion 401 is slidably connected in the sliding groove. The first sealing rings 403 are fixedly connected to two sides of the protrusion 401, so that air leakage can be avoided.

When in use, the filter tube 5 is fixed on the smoke exhaust box 1 through the adapter 3, so that the filter tube 5 is convenient to assemble and disassemble, the replacement efficiency is improved, the connecting cylinder 4 is connected to the adapter 3 in a rotating mode, the filter tube 5 can rotate at will relative to the adapter 3 in the use process of the air suction pipe 501, bending and knotting phenomena of the hose 505 are reduced, and the smoke exhaust effect is influenced.

The filter 7 for purifying the smoke is detachably connected in the cavity 101, the filter 7 in the embodiment adopts the plate-type activated carbon filter, peculiar smell in the smoke can be further removed, the purifying effect is improved, a large amount of harmful gas and smell from the patient can be absorbed in the using process, the influence of the smoke on the smell of the surgical environment and the harm of the toxic gas to the health of medical staff are reduced, the smoke generated on the lens of the card stamping device in the operation process is reduced, and the normal operation of the operation is facilitated.

As shown in fig. 1, 2 and 4, a first mounting groove 102 communicated with a cavity 101 is formed on the top of the smoke exhaust box 1, a second mounting groove 106 is formed at the bottom of the cavity 101, two ends of an outer frame 701 of the filter 7 are respectively and slidably connected in the first mounting groove 102 and the second mounting groove 106, and a second sealing ring 704 is fixedly connected at a position where the outer frame 701 contacts the first mounting groove 102 and the second mounting groove 106, so that air leakage at a joint is avoided. The top of the outer frame 701 of the filter 7 is connected with the cover plate 702 through the bolts 705, so that the filter element in the filter 7 can be replaced conveniently, and the outer frame 701 is fixedly connected in the first mounting groove 102 through the locking element, so that the filter 7 can be connected with the mounting groove 102 reliably. The locking member can fix the outer frame 701 in the first mounting groove 102 by using bolts, in this embodiment, the locking member adopts an elastic buckle 703, the elastic buckle 703 is fixedly connected to the outer frame 701, two groups of elastic buckles 703 are symmetrically arranged, and a clamping groove 103 corresponding to the elastic buckle 703 is formed in the first mounting groove 102. When the filter is used, the outer frame 701 is plugged into the second mounting groove 106 and the first mounting groove 102, when the bottom of the outer frame 701 is propped against the inner bottom of the second mounting groove 106, the elastic buckle 703 is just clamped with the clamping groove 103, after the use is finished, the filter 7 can be taken out from the first mounting groove 102 and the second mounting groove 106 by pressing the elastic buckle 703, the cleaning speed of the filter 7 and the replacement speed of a filter element are improved, the whole filter 7 can be prevented from being discarded, and the use cost is increased.

The smoke evacuation device for laparoscopic surgery provided by the utility model has the following working principle: when the smoke filter is used, the filter pipe 5 is connected with the air suction pipe 501 through the hose 505, the motor 2 is started to drive the air blades 201 to rotate, smoke enters the smoke exhaust box 1 through the filter pipe 5, harmful substances in the smoke are filtered by the filter component in the filter pipe 5, the smoke entering the smoke exhaust box 1 is filtered again through the filter 7 and then is discharged through the air exhaust hole 105, the purifying effect is improved, the influence of the smoke on the smell of the operation environment is reduced, and the harm of toxic gas to the health of medical staff is reduced; the ultraviolet lamp 6 is started to disinfect and sterilize the motor 2 and the fan blade 201, so that the manual cleaning times are reduced, and secondary pollution is avoided.

The smoke exhaust fog device provided by the utility model has better smoke purification effect, can avoid secondary pollution, and is safer to use and stronger in practicability.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The smoke exhaust fog device for the laparoscopic surgery comprises a smoke exhaust box (1), and is characterized in that an air inlet (104) is formed in the side wall of the smoke exhaust box (1), a filter pipe (5) is detachably connected to the air inlet (104), the filter pipe (5) is connected with an air suction pipe (501) through a hose (505), and a filter assembly is arranged in the filter pipe (5); the smoke exhaust box (1) is internally provided with an air exhaust component, and one side of the air exhaust component is provided with a filter (7) capable of purifying smoke.

2. The smoke evacuation device according to claim 1, wherein the filter assembly comprises filter cotton (503), wherein two sides of the filter cotton (503) are provided with mesh plates (502), and the mesh plates (502) are fixedly connected with the inner wall of the filter tube (5).

3. The smoke evacuation mist device according to claim 2, characterized in that a lava spray (504) is arranged inside the filter tube (5) near one end of the smoke evacuation box (1).

4. A smoke evacuation device according to claim 3, wherein the side wall of the smoke evacuation box (1) is detachably connected with an adapter (3), the adapter (3) is rotationally connected with a connecting cylinder (4), and the connecting cylinder (4) is in threaded connection with the filter tube (5).

5. The smoke exhaust device according to claim 4, wherein a protrusion (401) is arranged at one end of the connecting cylinder (4), a chute is arranged inside one end of the adapter (3) away from the smoke exhaust box (1), and the protrusion (401) is slidably connected with the chute.

6. The smoke exhaust device according to claim 1, wherein a first mounting groove (102) is formed in the top wall of the smoke exhaust box (1), a second mounting groove (106) is formed in the inner bottom of the smoke exhaust box (1), two ends of an outer frame (701) of the filter (7) are respectively and slidably connected to the first mounting groove (102) and the second mounting groove (106), and the outer frame (701) is fixedly connected with the first mounting groove (102) through a locking piece.

7. The smoke evacuation device of claim 6, wherein said locking means comprises elastic snap locks (703) symmetrically arranged on top of said outer frame (701), said first mounting groove (102) being provided with a snap groove (103), said elastic snap locks (703) being located in said snap groove (103).

8. The smoke evacuation device of claim 7, wherein a cover plate (702) is arranged on top of said outer frame (701), said cover plate (702) being bolted to said outer frame (701).

9. The smoke evacuation device according to claim 1, wherein said air extraction assembly comprises a motor (2), and wherein a plurality of fan blades (201) are fixed at the output end of said motor (2); an ultraviolet lamp (6) capable of sterilizing the motor (2) and the fan blades (201) is arranged on the inner wall of the smoke exhaust box (1).

10. The smoke evacuation device according to claim 1, wherein the smoke evacuation box (1) is provided with a number of exhaust holes (105) on the side wall close to the filter (7).