CN218130721U - Smoke filtering device for laparoscopic surgery - Google Patents

Abstract

The utility model discloses a smoke filter for laparoscopic surgery, including seal pot and conveyer pipe, the seal pot includes the last jar of body and the lower jar of body, the outside annular of the lower jar of body is provided with the spacing concave ring of round, be provided with round and spacing concave ring complex snap ring in the outside of the last jar of body below, from bottom to bottom set gradually plastics rack and first filtration cotton in the lower jar of body, from the top down has set gradually the gas collection cavity in the last jar of body, second filtration cotton and active carbon filter, go up jar of body top be provided with the entry and with the gas vent of gas collection cavity intercommunication, be provided with the position sleeve above the conveyer pipe, it has disposable aseptic suction connecting pipe to peg graft in the position sleeve, be provided with the gas filled bag layer that is located outside the conveyer pipe in the position sleeve, can attract connecting pipe and conveyer pipe sealing connection with disposable aseptic when gas filled bag layer and aerify, be provided with the extraction joint that communicates with gas filled bag layer at the position sleeve side. The structure is convenient to use.

Description

Smoke filtering device for laparoscopic surgery

Technical Field

The utility model relates to a medical equipment's technical field especially relates to a smoke filtering device for laparoscopic surgery.

Background

The operation smoke refers to gaseous substances generated by cutting, electrocoagulation or vaporization of tissue and organs by medical equipment such as a high-frequency electric knife, an ultrasonic scalpel, a laser knife and the like during operation. The literature reports that surgical smoke is composed of 95% water vapor and 5% cellular debris in the form of particles containing active viruses, active cells, blood and tissue debris, harmful chemical components, and substances that induce genetic mutations, among others. For a long time, when a surgeon performs a laparoscopic surgery, because smoke generated by the surgical operation seriously interferes with the sight of a surgeon, the surgery smoke is usually discharged by opening an air injection valve of a puncture outfit for the laparoscopic surgery, so that carbon dioxide gas containing harmful substances overflows the abdominal cavity and is dispersed to a surgical room. After the surgical personnel inhale surgical smoke, uncomfortable symptoms such as headache, dizziness, nausea and the like can appear, and the surgical safety and the health of medical personnel are seriously threatened. Therefore, there is a need for a filtering and adsorbing device capable of effectively filtering harmful smoke and absorbing carbon dioxide leaked out of the abdominal cavity in laparoscopic surgery.

But current peritoneoscope is with operation gas filter equipment exists that the structure is complicated, inside filters can't regular replacement, later stage influence filter effect, entrance lug connection one insert the conveyer pipe in the filter equipment, and conveyer pipe (1) is direct to be connected with the peritoneoscope exhaust port, leads to using unclean, so need improve.

SUMMERY OF THE UTILITY MODEL

(one) technical problem that solve the utility model aims at providing a smog filter equipment for laparoscopic surgery for solve current laparoscopic surgery have the structure complicacy, the unable periodic replacement of internal filtration, later stage influence filter effect, entrance lug connection one insert the conveyer pipe in the filter equipment, and the conveyer pipe is direct to be connected with the peritoneoscope exhaust port, lead to using unclean defect.

(II) contents of utility model

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a smog filter equipment for laparoscopic surgery, includes the seal pot and the activity is pegged graft in the conveyer pipe of seal pot which characterized in that: the sealed tank include the last jar body and the lower jar of body of concatenation each other, the outside annular of the lower jar of body is provided with spacing concave ring of round the outside of going up jar body below is provided with round and spacing concave ring complex snap ring the internal side of last jar be provided with the sealing washer the inboard of going up jar be provided with sealing washer complex sealed concave ring the internal from bottom to bottom of lower jar has set gradually plastics rack and first air filter cotton the internal from the top down has set gradually gas collection cavity, second air filter cotton and active carbon filter, active carbon filter include filter screen layer and fill the intraformational active carbon nano mineral crystal of filter screen, go up jar body top and be provided with the gas vent that enters the mouth and communicate with gas collection cavity, arrange the bottom of the lower jar of body in the conveyer pipe below inserts the back from the entry the conveyer pipe top is provided with the position sleeve, has the aseptic suction connecting pipe of cover outside the conveyer pipe in the position sleeve, be provided with the inflatable air bag layer in the position sleeve and be located the outside the conveyer pipe, the aseptic suction connecting pipe is connected the gas bag side and is provided with the extraction joint in the position sleeve.

Preferably, both sides of the inner side of the lower tank body are provided with limiting supports, the plastic net rack is arranged on the two limiting supports, the plastic net is provided with two positioning rods, and the first air filter cotton is movably inserted on the positioning rods.

Preferably, in order to facilitate later operation, a pull ring is arranged on the first air filter cotton.

Preferably, the pore size of the activated carbon nano-mineral crystals is 0.3 to 0.5nm in order to improve the filtering effect.

Preferably, in order to improve the sealing effect, a vacuumizing bin is arranged in the limiting concave ring, a vacuumizing device is arranged on the side edge of the limiting concave ring, and the vacuumizing device is communicated with the vacuumizing bin.

(III) advantageous effects

The utility model provides a pair of smoke filtering device for laparoscopic surgery, its advantage lies in: present smog filter equipment is compared to this structure, and is simple and easy, high-efficient, convenient operation, sexual valence relative altitude more, makes things convenient for the later stage to dismantle the change moreover more, uses cleaner moreover.

Drawings

Fig. 1 is a schematic structural view illustrating that a smoke filter for laparoscopic surgery disclosed in this embodiment 1 is mounted to a cabinet;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic cross-sectional view of a filter screen layer in the embodiment 1;

FIG. 4 is a schematic view of a structure of a tab in embodiment 2;

fig. 5 is a schematic structural view illustrating that a smoke filter for laparoscopic surgery disclosed in this embodiment 3 is mounted to a cabinet;

fig. 6 is an enlarged view of fig. 5 at B.

In the reference symbols: the device comprises a conveying pipe 1, an upper tank body 2, a lower tank body 3, a limiting concave ring 4, a clamping ring 5, a sealing ring 6, a sealing concave ring 7, first air filter cotton 8, a gas collecting cavity 9, second air filter cotton 10, an activated carbon filter 11, a filter screen layer 11-1, activated carbon nano mineral crystals 11-2, an exhaust port 12, a positioning sleeve 13, a disposable sterile suction connecting pipe 14, an inflatable air bag layer 15, an extraction connector 16, a pull ring 17, a limiting support 18, a positioning rod 19, a plastic net rack 20, a vacuum extraction bin 21 and a vacuum extractor 22.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all 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.

Example one

As shown in fig. 1-3, the present invention provides an embodiment: the utility model provides a smog filter equipment for laparoscopic surgery, includes the seal pot and the activity is pegged graft in the conveyer pipe 1 of seal pot which characterized in that: the sealed tank comprises an upper tank body 2 and a lower tank body 3 which are spliced with each other, a circle of limiting concave ring 4 is annularly arranged on the outer side of the lower tank body 3, a circle of snap ring 5 matched with the limiting concave ring 4 is arranged on the outer side of the lower tank body 2, a sealing ring 6 is arranged on the inner side of the upper tank body 2, a sealing concave ring 7 matched with the sealing ring 6 is arranged on the inner side of the upper tank body 2, a plastic net rack 20 and a first air filter cotton 8 are sequentially arranged in the lower tank body 3 from bottom to bottom, a gas collecting cavity 9, a second air filter cotton 10 and an activated carbon filter 11 are sequentially arranged in the upper tank body 2 from top to bottom, the activated carbon filter 11 comprises a filter net layer 11-1 and activated carbon nano mineral crystals 11-2 filled in the filter net layer 11-1, an inlet and an exhaust port 12 communicated with the gas collecting cavity 9 are arranged above the upper tank body 2, an inlet is inserted into the lower part of the lower tank body 3 from the inlet, a positioning sleeve 13 is arranged above the conveying pipe 1, a disposable suction sleeve 14 sleeved outside the conveying pipe 1 is arranged outside the conveying pipe 13, a suction connecting pipe 15 is arranged in the conveying pipe, and a suction connecting pipe 15 is arranged outside the inflatable bag layer and a suction connecting pipe 15 is arranged at the side of the inflatable bag layer, and a disposable suction connecting pipe 15 is arranged at the side of the inflatable bag connecting pipe 13, and a disposable suction connecting pipe 15 is arranged in the inflatable bag connecting pipe 15, and a disposable inflatable bag connecting pipe 15.

Preferably, both sides of the inner side of the lower tank body 3 are provided with limiting brackets 18, the plastic net rack 20 is arranged on the two limiting brackets 18, two positioning rods 19 are arranged on the plastic net, and the first air filter cotton 8 is movably inserted on the positioning rods 19.

Preferably, the pore size of the activated carbon nano-mineral crystals 11-2 is 0.3-0.5nm in order to improve the filtering effect.

The working principle of the structure is as follows:

when the disposable sterile suction connecting pipe 14 is used, the disposable sterile suction connecting pipe 14 is selected to be inserted into the conveying pipe 1, then the extraction connector 16 is used for connecting an inflating device, the inflating device is used for inflating the inflating air bag layer 15 to realize expansion, then the disposable sterile suction connecting pipe 14 is fixed on the conveying pipe 1 in a sealing mode, the disposable sterile suction connecting pipe 14 is used, the cleaner use and no pollution are guaranteed, meanwhile, the conveying pipe 1 is inserted from an inlet and placed at the bottom of the lower tank body 3, gas is released from a Troca valve at a high speed when the laparoscope discharges smoke, the smoke enters the disposable sterile suction connecting pipe 14 to be introduced into the sealed tank, a space for collecting the smoke is formed at the bottom of the bottle, the smoke upwards passes through the plastic net rack 20, particles in the smoke are filtered through the first air filter cotton 8, and the toxin content in the smoke is reduced; pass through activated carbon filter 11 again, through the flourishing pore structure of active carbon nano-ore deposit brilliant (aperture 0.3 ~ 0.5 nm), provide a large amount of surface areas, fully with gaseous (impurity) contact, thereby reach and adsorb the poisonous object, after second filtration cotton high efficiency filtration again, sealed bottle top is one and is collected gaseous space, discharge to the air by gas vent 12 again, then use the air detector to detect at the discharge port, it accords with the standard to show to discharge, and later stage can the inside filter screen of quick replacement, through opening the upper tank body 2 and the lower tank body 3, it can change to pull out the filter screen, consequently this structure compares current smog filter equipment, it is simpler and easier, high efficiency, convenient operation, the sexual valence relative altitude, and more make things convenient for the later stage to dismantle the change, and use cleaner, when through the combination, utilize the sealed concave ring 7 of sealing washer 6 cooperation to improve sealed effect.

Example two

As shown in fig. 4, the present invention provides an embodiment: the utility model provides a smoke filter for laparoscopic surgery's approximate structure is the same with embodiment 1, and the difference is, as preferred, for convenient later stage operation be provided with pull ring 17 on the first filtration cotton 8, through setting up pull ring 17, realize that the later stage is convenient to pull out first filtration cotton 8 fast, convenient dismantlement.

EXAMPLE III

As shown in fig. 5 and fig. 6, the present invention provides an embodiment: the utility model provides a smoke filter's is the same with embodiment 1 for laparoscopic surgery's approximate structure, the difference is, as preferred, in order to improve sealed effect be provided with evacuation storehouse 21 in the spacing concave ring 4 side is provided with evacuation ware 22, evacuation ware 22 with evacuation storehouse 21 intercommunication, through setting up evacuation ware 22, realize the during operation, when inserting spacing concave ring 4 with snap ring 5, drive evacuation ware 22 work, will evacuate storehouse 21 evacuation, guarantee to be in encapsulated situation between snap ring 5 and the spacing concave ring 4, further improve sealed effect.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. The utility model provides a smog filter equipment for laparoscopic surgery, includes the seal pot and the activity is pegged graft in conveyer pipe (1) of seal pot, its characterized in that: the sealed tank comprises an upper tank body (2) and a lower tank body (3) which are spliced with each other, a circle of limiting concave ring (4) is annularly arranged on the outer side of the lower tank body (3), a circle of snap ring (5) matched with the limiting concave ring (4) is arranged on the outer side of the lower side of the upper tank body (2), a sealing ring (6) is arranged on the inner side of the upper tank body (2), a sealing concave ring (7) matched with the sealing ring (6) is arranged on the inner side of the upper tank body (2), a plastic net rack (20) and first air filter cotton (8) are sequentially arranged in the lower tank body (3) from bottom to bottom, a gas collecting cavity (9), second air filter cotton (10) and an active carbon filter (11) are sequentially arranged in the upper tank body (2) from top to bottom, the active carbon filter (11) comprises a filter net layer (11-1) and active carbon nanocrystals (11-2) filled in the filter net layer (11-1), an inlet and an exhaust port (12) communicated with the gas collecting cavity (9) are arranged above the upper tank body (2), a conveying pipe (13) is sleeved in the lower tank body (1), a conveying pipe (13) is inserted in the lower connecting pipe (13), and a once positioned outside the conveying pipe (13) in the lower connecting pipe (1), and a suction sleeve is sleeved with the upper connecting pipe (13) The disposable sterile suction connecting pipe is characterized in that an inflatable air bag layer (15) located outside the conveying pipe (1) is arranged in the positioning sleeve (13), the inflatable air bag layer (15) can be connected with the conveying pipe (1) in a sealing mode through a disposable sterile suction connecting pipe (14) when inflated, and an extraction connector (16) communicated with the inflatable air bag layer (15) is arranged on the side edge of the positioning sleeve (13).

2. The smoke filter for laparoscopic surgery of claim 1, wherein: the two sides of the inner side of the lower tank body (3) are respectively provided with a limiting bracket (18), the plastic net rack (20) is arranged on the two limiting brackets (18), the plastic net rack is provided with two positioning rods (19), and the first air filter cotton (8) is movably inserted on the positioning rods (19).

3. A smoke filter for laparoscopic surgery according to claim 2, wherein: a pull ring (17) is arranged on the first air filter cotton (8).

4. The smoke filter for laparoscopic surgery of claim 1, wherein: the aperture of the active carbon nano-mineral crystal (11-2) is 0.3-0.5nm.

5. The smoke filter for laparoscopic surgery of claim 1, wherein: a vacuumizing bin (21) is arranged in the limiting concave ring (4), a vacuumizing device (22) is arranged on the side edge of the limiting concave ring (4), and the vacuumizing device (22) is communicated with the vacuumizing bin (21).

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