Disposable smog filter for sterile laparoscopic surgery

Abstract

The utility model relates to the technical field of medical instruments, in particular to a disposable sterile laparoscopic surgery smoke filter which comprises a smoke filter body, a shell is arranged on the smoke filter body, and a first end plate and a second end plate are respectively fastened at two ends of the shell in a sealing mode. An air inlet connector and an air outlet connector are integrally formed outside the first end plate and the second end plate respectively, the air inlet connector and the air outlet connector are arranged in a staggered mode, and two sets of first partition plates and two sets of second partition plates are arranged in the shell at intervals; a first liquid adsorption layer, a first pre-filtering layer, a second pre-filtering layer, a particle filter screen, an activated carbon filter layer and a second liquid adsorption layer are sequentially arranged in the shell. According to the disposable sterile laparoscopic surgery smoke filter, the air inlet connector and the air outlet connector are arranged in a staggered mode, the partition plate structure with the through holes is arranged in the disposable sterile laparoscopic surgery smoke filter, the smoke filtering time can be prolonged, efficient filtering is guaranteed, and a better environment is created for surgery.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is disposable sterile laparoscope operation smoke filter. BACKGROUND

[0002] Laparoscopic surgery is a modern minimally invasive surgical technique, through small incision insertion with camera's slender instrument (laparoscope) and other microsurgical tools into the body to perform operation. Electrosurgical equipment realizes cutting or coagulation of blood vessels by heating tissue through electric current, this process can cause tissue water evaporation, produce steam and smoke, surgical smoke not only can affect the operation field of vision, reduce the visibility, also can pose a threat to the health of the operation team, therefore, in laparoscopic surgery, need to use disposable sterile smoke filter to carry out smoke suction filtration treatment, ensure the safety and definition of operation environment.

[0003] The prior art publication CN221491834U discloses a disposable sterile laparoscope operation smoke filter, which is provided with a plurality of filtering structures, when the filter screen at the outside air inlet end is coarsely filtered, the air filter cotton and the activated carbon filter layer are successively finely filtered, and then the filtered gas is discharged through the filter screen at the air outlet, the structure can completely filter harmful substances, so that the laparoscopic surgery smoke is quickly dispersed without pollution and toxicity, but if the smoke contains liquid, the subsequent filtering effect will be affected, and in order to improve the filtering effect, the filter layer in the smoke filter is usually thickened, resulting in material waste. UTILITY MODEL CONTENT

[0004] The utility model discloses a disposable sterile laparoscope operation smoke filter, which is provided with a plurality of filtering structures, when the filter screen at the outside air inlet end is coarsely filtered, the air filter cotton and the activated carbon filter layer are successively finely filtered, and then the filtered gas is discharged through the filter screen at the air outlet, the structure can completely filter harmful substances, so that the laparoscopic surgery smoke is quickly dispersed without pollution and toxicity, but if the smoke contains liquid, the subsequent filtering effect will be affected, and in order to improve the filtering effect, the filter layer in the smoke filter is usually thickened, resulting in material waste.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a disposable sterile laparoscope operation smoke filter, which comprises a smoke filter main body, an outer shell is arranged on the smoke filter main body, and the outer shell is tightly fastened with a first end plate and a second end plate at both ends, respectively, a gas inlet and a gas outlet are integrally arranged outside the first end plate and the second end plate, respectively, and the gas inlet and the gas outlet are arranged staggered, two groups of first and second partition plates are arranged in the outer shell, and a first liquid adsorption layer, a first pre-filter layer, a second pre-filter layer, a micro-particle filter screen, an activated carbon filter layer and a second liquid adsorption layer are arranged in the outer shell in sequence.

[0006] Preferably, the outer shell is a round rectangular structure, and the outer shell is tightly clamped with the first and second partition plates, respectively.

[0007] Preferably, the first liquid adsorption layer is provided with a protruding part engaging with the air inlet interface, and the porosity of the first liquid adsorption layer is larger than that of the second liquid adsorption layer.

[0008] Preferably, the first partition plate and the second partition plate are respectively provided with a circular hole structure, the circular hole of the first partition plate corresponds to the position of the air outlet interface, and the circular hole of the second partition plate corresponds to the position of the air inlet interface.

[0009] Preferably, the S-shaped flow channel is formed by the circular holes of the first partition plate and the second partition plate in the shell.

[0010] Preferably, the second liquid adsorption layer is clamped in the air outlet interface.

[0011] Compared with the prior art, the disposable sterile laparoscopic surgical smoke filter has the beneficial effects that: the air inlet interface and the air outlet interface are arranged in a staggered manner, and a partition plate structure with a through hole is arranged inside, so that the smoke filtering time can be prolonged, efficient filtering is ensured, and a better environment for surgery is created. The disposable sterile laparoscopic surgical smoke filter is provided with a partition plate structure in the shell, the filter layers are separated and positioned, and the smoke can flow in an S shape, so that efficient filtering and purification effects are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is an internal structure schematic view of the disposable sterile laparoscopic surgical smoke filter.

[0013] Figure 2 It is a structure schematic view of the air outlet of the disposable sterile laparoscopic surgical smoke filter relative to the position of the second end plate.

[0014] Figure 3 It is a side view of the disposable sterile laparoscopic surgical smoke filter.

[0015] Figure 4 It is a structure schematic view of the first partition plate of the disposable sterile laparoscopic surgical smoke filter.

[0016] In the drawing: 1, smoke filter main body; 2, shell; 3, first liquid adsorption layer; 4, first partition plate; 5, second partition plate; 6, air inlet interface; 7, first end plate; 8, first pre-filter layer; 9, second pre-filter layer; 10, particulate filter screen; 11, second end plate; 12, activated carbon filter layer; 13, air outlet interface; 14, second liquid adsorption layer. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-4 The utility model provides technical scheme: disposable sterile laparoscopic operation smoke filter, including smoke filter main part 1, be equipped with shell 2 on smoke filter main part 1, and the both ends of shell 2 are sealed and fastened with first end plate 7 and second end plate 11 respectively, and the outer parts of first end plate 7 and second end plate 11 are integrally equipped with air inlet 6 and air outlet 13 respectively, and air inlet 6 and air outlet 13 are staggered arrangement, and the end of first baffle 4 and second baffle 5 is equipped with round hole structure respectively, and the round hole of first baffle 4 corresponds with the position of air outlet 13, and the round hole of second baffle 5 corresponds with the position of air inlet 6, this structure makes can make the smoke that enters shell 2 from air inlet 6 filter in turn through first liquid adsorption layer 3, first prefilter layer 8, second prefilter layer 9, microparticle filter screen 10, activated carbon filter layer 12 and second liquid adsorption layer 14, through the staggered arrangement of air inlet 6 and air outlet 13, can more conveniently distinguish the in and out end, the round hole of first baffle 4 and second baffle 5 constitutes S type flow channel in shell 2, this structure can make smoke S shape flow in smoke filter main part 1, guarantee filtering effect, two groups of first baffle 4 and second baffle 5 are arranged at intervals in shell 2, shell 2 is round rectangular structure, and shell 2 and first baffle 4 and second baffle 5 are fastened and clamped respectively, this structure is positioned and fixed through the round rectangular structure of shell 2 to first baffle 4 and second baffle 5, ensures that the round hole position on first baffle 4 and second baffle 5 is determined, can avoid the situation that traditional round structure is not positioned accurately, and first liquid adsorption layer 3, first prefilter layer 8, second prefilter layer 9, microparticle filter screen 10, activated carbon filter layer 12 and second liquid adsorption layer 14 are sequentially arranged in shell 2, the protruding part of first liquid adsorption layer 3 is clamped with air inlet 6, and the porosity of first liquid adsorption layer 3 is greater than the porosity of second liquid adsorption layer 14, this structure first liquid adsorption layer 3 can adsorb the liquid in smoke to carry out subsequent filtration treatment to smoke, the round hole of first baffle 4 and second baffle 5 constitutes S type flow channel in shell 2, this structure can make smoke S shape flow in smoke filter main part 1, guarantee filtering effect.

[0019] Working principle: when using the disposable sterile laparoscopic surgical smoke filter, first seal the shell 2 and the first end plate 7 and the second end plate 11, ensure the sealing of the smoke filter body 1, when using the smoke filter body 1, connect the air inlet pipe and the air outlet pipe through the air inlet interface 6 and the air outlet interface 13 respectively, the smoke generated during the laparoscopic surgery is sucked into the smoke filter body 1, and is sequentially adsorbed, filtered and purified by the first liquid adsorption layer 3, the first pre-filter layer 8, the second pre-filter layer 9, the micro-particle filter screen 10, the activated carbon filter layer 12 and the second liquid adsorption layer 14, effectively removing the influence of liquid on the filtering effect, at the same time, the first partition plate 4 and the second partition plate 5 make the smoke flow in S shape, which can prolong the filtering time and ensure the filtering effect, thereby completing a series of work.

[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A disposable sterile laparoscopic surgical smoke filter, comprising a smoke filter body (1), characterized in that: The smoke filter body (1) is provided with a shell (2), and the two ends of the shell (2) are respectively sealed with a first end plate (7) and a second end plate (11). The first end plate (7) and the second end plate (11) are respectively provided with an air inlet (6) and an air outlet (13) on the outside. The air inlet (6) and the air outlet (13) are staggered. The shell (2) is provided with two sets of first partitions (4) and second partitions (5) at intervals. The shell (2) is provided with a first liquid adsorption layer (3), a first pre-filtration layer (8), a second pre-filtration layer (9), a particulate filter (10), an activated carbon filter layer (12) and a second liquid adsorption layer (14) in sequence.

2. The disposable sterile laparoscopic surgical smoke filter according to claim 1, characterized in that: The outer shell (2) is a rounded rectangular structure, and the outer shell (2) is fastened and engaged with the first partition (4) and the second partition (5) respectively.

3. The disposable sterile laparoscopic surgical smoke filter according to claim 1, characterized in that: The first liquid adsorption layer (3) has a protrusion that engages with the air inlet (6), and the pores of the first liquid adsorption layer (3) are larger than the pores of the second liquid adsorption layer (14).

4. The disposable sterile laparoscopic surgical smoke filter according to claim 1, characterized in that: The ends of the first partition (4) and the second partition (5) are respectively provided with round holes, and the round hole of the first partition (4) corresponds to the position of the air outlet (13), and the round hole of the second partition (5) corresponds to the position of the air inlet (6).

5. The disposable sterile laparoscopic surgical smoke filter according to claim 4, characterized in that: The outer shell (2) forms an S-shaped flow channel through the round holes of the first partition (4) and the second partition (5).

6. The disposable sterile laparoscopic surgical smoke filter according to claim 1, characterized in that: The second liquid adsorption layer (14) is stuck inside the air outlet (13).

Images