CN219631022U - Operation gas purifier - Google Patents

Abstract

The utility model relates to a surgical gas purifier which comprises a purifier main body and a filter assembly positioned in the purifier main body, wherein a through hole penetrating from one end to the other end is formed in the middle of the purifier main body, a filter cavity is formed between the outer wall of the through hole and the inner wall of the purifier main body, an air inlet and an air outlet are also respectively formed in the purifier main body, the air inlet and the air outlet are both communicated with the filter cavity, the filter assembly is positioned in the filter cavity and positioned between the air inlet and the air outlet, the filter assembly divides the filter cavity into a first cavity and a second cavity, the air inlet is communicated with the first cavity, and the second cavity is communicated with the air outlet. The surgical gas purifier provided by the utility model is fixedly connected with the surgical knife and the puncture outfit through the through holes arranged on the main body, so that the working efficiency is improved to a certain extent, and the surgical gas purifier is more convenient to install and better in purifying effect.

Description

Operation gas purifier

Technical Field

The utility model relates to the technical field of medical equipment and medical health, in particular to a surgical gas purifier.

Background

Minimally invasive surgery is an operation performed by modern medical instruments such as laparoscopes and thoracoscopes and related equipment, most of the current surgical operations are performed by minimally invasive surgery, in the process of performing minimally invasive surgery such as the endoscope, an ultrasonic knife and an electrotome generate a large amount of smoke when cutting human tissues, the generated smoke affects the progress of the operation on one hand, the gas environment of an operating room on the other hand can be polluted, the health of medical staff can be affected, and the smoke has very obvious smell, so that people feel uncomfortable.

There are many smoke purifiers on the market for performing surgical smoke removal, for example: chinese patent CN201710027952.6 discloses a novel graded gas filter device, the working principle of which is: guiding the gas in the abdominal cavity of a patient through a connector and a hose, wherein the gas in the abdominal cavity firstly enters a filter disc D through the hose to be subjected to coarse filtration, the gas filtered through the filter disc D enters the next layer, then the gas is subjected to medium filtration through a filter disc C, the filtered gas is subjected to fine filtration through a filter disc B, finally the gas is subjected to fine filtration through a filter disc A, and finally the gas is discharged through a tail hole of a lower shell; the puncture outfit is fixedly connected with the scalpel, and the filtering device is usually connected with the puncture outfit only through a hose and a connector, and the mode of no fixed connection with the scalpel can influence the operation process of medical staff in the actual operation process, so that improvement is needed on the basis of the prior art, and a purifier capable of solving the problems is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the surgical gas purifier which is fixedly connected with the surgical knife and the puncture outfit through the through holes arranged on the main body, so that the working efficiency is improved to a certain extent, and the surgical gas purifier is more convenient to install and better in purifying effect.

The utility model provides a surgical gas purifier, which comprises a purifier main body and a filter assembly positioned in the purifier main body, wherein a through hole penetrating from one end to the other end is formed in the middle of the purifier main body, a filter cavity is formed between the outer wall of the through hole and the inner wall of the purifier main body, the air inlet and the air outlet are both communicated with the filter cavity, the filter assembly is positioned in the filter cavity and between the air inlet and the air outlet, the filter assembly divides the filter cavity into a first cavity and a second cavity, the purifier main body is also provided with an air inlet and an air outlet respectively, the air inlet is communicated with the first cavity, and the second cavity is communicated with the air outlet.

Preferably, the filter assembly comprises a first filter device and a second filter device which are arranged at intervals, the first filter device and the second filter device are connected with the outer wall of the through hole, a first cavity is formed between the first filter device and the bottom of the purifier main body, a second cavity is formed between the first filter device and the second filter device, the first cavity and the second cavity are connected to form a filter cavity, the second filter device is also connected with the top of the purifier main body, the air inlet is communicated with the first cavity, and the air outlet is formed at the top of the purifier main body and is communicated with the second cavity.

Preferably, the filter component comprises a first filter device and a second filter device which are arranged at intervals, the outer wall of the through hole is provided with a second step groove and a groove, the second step groove and the groove are respectively arranged at two ends of the outer wall of the through hole, the inner wall of the purifier main body is also provided with a first step groove, when the filter component is connected with the outer wall of the through hole and the purifier main body, the first filter device is connected with the inner wall of the purifier main body through the first step groove, the first filter device is connected with the outer wall of the through hole through the second step groove, the second filter device is connected with the outer wall of the through hole through the groove, and the second filter device is connected with the inner wall of the purifier main body and is matched with the height of the second step groove.

Preferably, the first filtering device and the second filtering device are both provided with connecting blocks, the inner wall of the main body of the purifier is provided with connecting grooves and sliding grooves, when the filtering assembly is connected with the main body of the purifier, the connecting blocks of the first filtering device and the second filtering device are respectively positioned in the two connecting grooves, and the sliding grooves are positioned between the two connecting grooves and are connected with the two connecting grooves.

Preferably, the first filter device comprises a first filter layer, a first support, a second filter layer and a second support which are sequentially connected from top to bottom, the second filter device comprises a third filter layer, a fixing component and a fourth filter layer which are sequentially connected from top to bottom, the second cavity is located between the first filter layer and the fourth filter layer, the first cavity is located between the bottom of the purifier main body and the second support, the third filter layer is connected with the top of the purifier main body, first connecting holes are formed in the centers of the first filter layer, the first support, the second filter layer and the second support, and the first connecting holes are connected with the outer walls of the through holes in a matched mode.

Preferably, the fixing component comprises a third support and a circular sleeve, the circular sleeve is located at the center of the third support, one end of the circular sleeve is connected with the third support, the other end of the circular sleeve is outwards protruded relative to the third support and connected with the first filter layer, the inner wall of the circular sleeve is also connected with the outer wall of the through hole, a protruding block is arranged on the inner wall of the circular sleeve, the protruding block is located in a groove of the outer wall of the through hole when the circular sleeve is connected with the outer wall of the through hole, connecting blocks are arranged on the first support, the second support and the third support, connecting grooves which are connected with the connecting blocks in a matching mode are further formed in the inner wall of the main body of the purifier, second connecting holes which are connected with the outer wall of the circular sleeve in a matching mode are formed in the centers of the third filter layer and the fourth filter layer, and the second connecting holes are larger than the radius of the first connecting holes.

Preferably, the purifier main body comprises a top cover, a side plate and a bottom cover, wherein two ends of the side plate are respectively connected with the top cover and the bottom cover, the air inlet is formed in the side plate, the through hole penetrates through the top cover to the bottom cover, the filter cavity is located between the top cover and the bottom cover, the through hole is located at the central positions of the top cover and the bottom cover, the air outlets are formed in the top cover, the number of the air outlets is multiple, and the air outlets are arranged around the through hole.

Preferably, the inner wall of the side plate is further provided with a connecting groove, the top cover comprises a top plate and a fourth bracket, one end of the fourth bracket is connected with the top plate, the other end of the fourth bracket is outwards protruded relative to the top plate, the fourth bracket is further provided with a connecting block connected with the connecting groove, when the top cover is connected with the side plate, the connecting block is located in the connecting groove, the air outlet is located in the top plate, and the fourth bracket is further connected with the filtering assembly.

Preferably, the purifier main body is further provided with an air inlet device, the air inlet device comprises a connector and a connecting pipe, one end of the connecting pipe is connected with the air inlet, the other end of the connecting pipe is connected with the connector, and the air inlet is communicated with the filter cavity.

Preferably, the purifier main body comprises a bottom cover, a bonding layer is arranged on the bottom cover, a circular hole is arranged in the center of the bonding layer, the through hole is positioned in the circular hole, and the circular hole is larger than the radius of the through hole; or alternatively, the first and second heat exchangers may be,

the purifier main body comprises a bottom cover, a first barb portion and a second barb portion are arranged on the bottom cover, the first barb portion and the second barb portion are respectively located on two sides of the through hole, the first barb portion and the second barb portion are outwards protruding relative to the bottom cover, the first barb portion comprises a first barb block, the second barb portion comprises a second barb block, and the first barb block and the second barb block are oppositely arranged.

The beneficial effects of the utility model are as follows: the surgical gas purifier provided by the utility model is fixedly connected with the surgical knife and the puncture outfit through the through holes arranged on the main body, so that the working efficiency is improved to a certain extent, and meanwhile, the surgical gas purifier is more convenient to install.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intentionally drawn to scale on actual size or the like, with emphasis on illustrating the principles of the utility model.

Fig. 1 is a schematic structural view of a surgical gas purifier according to a first embodiment of the present utility model;

FIG. 2 is a schematic illustration of the connection of a top cover to a second filter assembly provided in an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a purifier body according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a specific structure of a top cover according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a second embodiment of a surgical gas purifier according to an embodiment of the present utility model;

FIG. 6 is a schematic cross-sectional view of a purifier body (excluding first and second filter assemblies) according to an embodiment of the present utility model;

fig. 7 is a schematic cross-sectional view of a specific structure of a side plate and a bottom cover according to an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view of a first filter assembly according to an embodiment of the present utility model;

in the figure: 1-side plate, 11-top cover, 111-air outlet, 1110-ventilation opening, 112-through hole, 113-first barb, 114-second barb, 115-adhesive layer, 12-connecting tube, 121-connector, 122-air inlet, 13-circular sleeve, 131-bottom cover, 2-fourth filter layer, 21-third support, 22-third filter layer, 23-top plate, 24-connecting block, 25-fourth support, 26-second cavity, 27-first cavity, 3-first filter layer, 31-first support, 32-second filter layer, 33-second support, 4-second step groove, 41-first step groove, 42-connecting groove, 43-sliding groove.

Detailed Description

In order that the utility model may be understood more fully, the utility model will be described with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-8, an embodiment of the present utility model provides a surgical gas purifier, including a purifier main body and a filter assembly located in the purifier main body, wherein a through hole 112 extending from one end to the other end is formed in the middle of the purifier main body, an air inlet 122 and an air outlet 111 are further formed in the purifier main body, both the air inlet 122 and the air outlet 000 are communicated with the filter cavity, a filter cavity is formed between an outer wall of the through hole and an inner wall of the purifier main body (refer to an inner wall of the purifier main body far away from the through hole), the filter assembly is located in the filter cavity and is located between the air inlet 122 and the air outlet 111, the filter assembly separates the filter cavity into a first cavity 27 and a second cavity 28, the air inlet 122 is communicated with the first cavity 27, and the second cavity 28 is communicated with the air outlet 111.

The through hole 112 penetrates from one end to the other end of the through hole to penetrate through the whole purifier body from top to bottom or from top to bottom (from left end to right end of the purifier body and the like) in a normal use state of the gas purifier, the through hole 112 is used for fixedly connecting with external equipment, mainly connecting with a scalpel cutter bar or other fixing equipment, and the diameter of the through hole 112 is 8-12mm.

Referring to fig. 1 to 8, in the actual operation process, the scalpel cutter bar is fixedly connected with the puncture outfit, then the scalpel cutter bar is connected with the through hole 112 on the main body, and then the puncture outfit is connected with the gas purifier through the gas inlet 122; in the actual gas purification process, gas firstly enters the first cavity 27 in the filter cavity from the air inlet 122, then smoke generated in the operation process is filtered (liquid and solid particulate matters are filtered) through the filter component, the smoke filtered by the filter component enters the second cavity 26, the adsorption and decomposition of organic matters in the smoke and the killing of pathogenic cells are carried out in the second cavity 26 through the action of externally added high-iodine value active carbon or high-iodine value active carbon plus high-specific surface MnO2 or raw materials, and at the moment, the filtered smoke is the gas which can be absorbed by a human body (harmless or pure gas to the human body) and is discharged outside through the air outlet 111, and the gas purification process is finished.

The filter component adopts the materials with better air permeability such as the Hepa membrane/NiCu alloy porous membrane, the foam cushion or the fabric cushion and the like;

the beneficial effects of the utility model are as follows: through hole 112 and external equipment in the clarifier main part carry out fixed connection (scalpel cutter arbor and puncture ware), improved medical personnel's overall efficiency, filter the smog that produces in the operation through filtration cavity and filtration subassembly, can also guarantee when improving the fixity that purifying effect of purge gas is better.

Referring to fig. 3 and 7, in the preferred embodiment, the filter assembly includes a first filter device and a second filter device disposed at intervals, each of the first filter device and the second filter device is connected to an outer wall of the through hole 112, a first cavity 27 is formed between the first filter device and the bottom of the purifier body, a second cavity 26 is formed between the first filter device and the second filter device, the first cavity 27 and the second cavity 26 are connected to form a filter cavity, the second filter device is further connected to the top of the purifier body, the air inlet 122 is in communication with the first cavity 27, the air outlet 111 is disposed at the top of the purifier body and in communication with the second cavity 26 (the bottom and the top are only defined in one opposite position, and do not represent a definition of a specific position), it is also possible that the air outlet 111 is disposed at the bottom (left end) of the purifier body, and the air inlet 122 is disposed at the top (right end) of the purifier body).

In the gas purification process, gas firstly enters a first cavity 27 in a filter cavity from an air inlet 122, then smoke generated in the operation process is filtered (liquid and solid particles are filtered) through a first filter assembly, the smoke filtered by the first filter assembly enters a second cavity 26, adsorption and decomposition of organic matters in the smoke are carried out in the second cavity 26 under the action of externally added high-iodine-value activated carbon or high-iodine-value MnO or high-iodine-value activated carbon+high-specific-surface MnO2 or raw materials, pathogenic cells are killed, the treated smoke is filtered again through the second filter assembly, at the moment, the filtered smoke is gas absorbable by a human body (harmless to the human body or pure gas) and is discharged outside through an air outlet 111, and the gas purification process is finished;

according to the surgical purifier provided by the utility model, the fixation is enhanced by setting the through holes 112, the smoke generated in the surgical process is filtered for multiple times (the first filtering device and the second filtering device), the gas in the smoke is decomposed for multiple times, so that the gas is purified, the safety of medical staff is improved to a certain extent, meanwhile, the smoke (gas) is purified by a multiple structure, and the filtering effect is better.

Referring to fig. 3 and 7, in a preferred embodiment, the filter assembly includes a first filter device and a second filter device which are disposed at intervals, the outer wall of the through hole 112 is provided with a second stepped groove 4 and a groove, the second stepped groove 4 and the groove are respectively disposed at two ends of the outer wall of the through hole 112, the inner wall of the purifier body is further provided with a first stepped groove 41, when the filter assembly is connected with the outer wall of the through hole 112 and the purifier body, the first filter device is connected with the inner wall of the purifier body through the first stepped groove 41, the first filter device is also connected with the outer wall of the through hole 112 through the second stepped groove 4, the second filter device is connected with the outer wall of the through hole 112 through the groove, the second filter device is also connected with the inner wall of the purifier body, and the heights of the first stepped groove 41 and the second stepped groove 4 are matched.

Referring to fig. 3 and 7, the first step groove 41 and the second step groove 4 on the outer wall of the through hole 112 and the inner wall of the purifier body mainly support the first filter assembly, and simultaneously ensure connectivity with the second filter assembly, so that the whole fixing property of the body is ensured, during the installation of the first filter assembly, only the connection blocks 24 on the first bracket 31 and the second bracket 33 need to be aligned with the sliding grooves 43 on the inner wall of the purifier body, and then the connection blocks 24 are installed through the sliding grooves 43, when the connection blocks 24 resist to the bottom of the sliding grooves 43, the connection blocks 24 and the connection grooves 42 need to be connected when the first bracket 31 and the second bracket 33 are rotated or turned, at this time, the first bracket 31 and the second bracket 33 are already fixed, wherein the length of the sliding grooves 43 is matched with the length of the side plates 1 of the body, and the width of the sliding grooves 43 is matched with the width of the connection blocks 24, and the heights of the first step groove 41 and the second step groove 4 are matched (the heights are identical or differ by 0.1-0.5 mm).

Referring to fig. 2 and 8, in the preferred embodiment, the first filter device and the second filter device are each provided with a connection block 24, the inner wall of the purifier body is provided with a connection groove 42 and a sliding groove 43, when the filter assembly is connected with the purifier body, the connection blocks 24 of the first filter device and the second filter device are respectively located in the two connection grooves 42, and the sliding groove 43 is located between the two connection grooves 42 and connected with the two connection grooves 42.

Referring to FIGS. 3 and 6, in the preferred embodiment, the first filtering device comprises a first filtering layer 3, a first support 31, a second filtering layer 32 and a second support 33 which are sequentially connected from top to bottom (means that the first filtering layer 3, the first support 31, the second filtering layer 32 and the second support 33 are sequentially connected layer by layer from top to bottom in the normal use state of the gas purifier), the second filtering device comprises a third filtering layer 22, a fixing component and a fourth filtering layer 2 which are sequentially connected from top to bottom, a second cavity 26 is positioned between the first filtering layer 3 and the fourth filtering layer 2, the first cavity 27 is positioned between the bottom of the purifier main body and the second support 33, the third filtering layer 22 is connected with the top of the purifier main body, the centers of the first filtering layer 3, the first support 31, the second filtering layer 32 and the second support 33 are all provided with first connecting holes (the integral structure of the first filtering component is selected in a matched mode), the main body is of a cylindrical structure, the first filtering layer 3, the first support 31, the second filtering layer 32 and the second filtering layer 32 are sequentially connected from top to bottom, the first connecting holes (the first connecting holes 1.1-1.1.1 to 2.1 to 1.1, 1 to 2, 1.1 to 1 to 1.1 to 2.

The first filter layer 3 is made of a breathable material such as a foam cushion or a fabric cushion, the second filter layer 32 is made of a breathable material such as a Hepa film/a NiCu alloy porous film, the first support 31 and the second support 33 are annular supports and comprise two large and small circular rings, the two circular rings are connected through connecting rods, ventilation openings 1110 are formed among the connecting rods and used for flowing gas (smoke), and meanwhile, the first support 31 and the second support 33 provide supporting and separating functions for the first filter layer 3 and the second filter layer 32; the third filter layer 22 adopts a ventilated material such as a Hepa film/a NiCu alloy porous film, the fourth filter layer 2 adopts a ventilated material such as a foam cushion or a fabric cushion, and the fixing component mainly provides supporting and separating functions for the third filter layer 22 and the fourth filter layer 2 and ensures the fluidity of gas;

referring to fig. 2, in the preferred embodiment, the fixing assembly includes a third support 21 and a circular sleeve 13, the circular sleeve 13 is located at a central position of the third support 21 and one end is connected with the third support 21, the other end of the circular sleeve 13 protrudes outwards relative to the third support 21 and is connected with the first filter layer 3, an inner wall of the circular sleeve 13 is also connected with an outer wall of the through hole 112, a bump is disposed on the inner wall of the circular sleeve 13, when the circular sleeve 13 is connected with the outer wall of the through hole 112, the bump is disposed in a groove on the outer wall of the through hole 112, connecting blocks 24 are disposed on the first support 31, the second support 33 and the third support 21, a connecting slot 42 which is connected with the connecting blocks 24 in a matching manner is disposed on the inner wall of the purifier body, a second connecting hole which is connected with the outer wall of the circular sleeve 13 in a matching manner is disposed at the centers of the third filter layer 22 and the fourth filter layer 2, and the radius of the second connecting hole is larger than the radius of the first connecting hole, and the radius of the second connecting hole is greater than the radius of the through hole 112.

The ratio of the radius of the circular sleeve 13 to the through hole 112 is (1.2-1.5): (1.2-1.3), (1.2-1.5): (1.2-1.4), (1.1-1.2): 1, the third bracket 21 and the circular sleeve 13 are of an integrated structure, the third bracket 21 and the first bracket 31 or the second bracket 33 are of the same structure, in a top view state, one end of the circular sleeve 13 protrudes downwards relative to the third bracket 21, and referring to fig. 2, a groove (referring to fig. 3) is arranged on the end part of the outer wall of the through hole 112, which is close to the air outlet 111, and is mainly used for being connected with the fourth bracket 25 of the filter box and the circular sleeve 13, so that the connectivity between the second filter assembly and the outer wall of the through hole 112 can be improved to a certain extent, and the whole fixity of the filter box can be improved;

wherein the connecting groove 42 connected with the connecting block 24 of the first bracket 31 and the second bracket 33 is connected with the connecting groove 42 connected with the third bracket 21 and the fourth bracket 25 through the sliding groove 43, and the structures of the first bracket 31, the second bracket 33, the third bracket 21 and the fourth bracket 25 are the same;

referring to fig. 1-8, in a preferred embodiment, the first filter assembly includes a first bracket 31 and a second bracket 33, the second filter assembly includes a third bracket 21, the main body further includes a top cover 11, the top cover 11 includes a fourth bracket 25, the first bracket 31, the second bracket 33, the third bracket 21, and the fourth bracket 25 are each provided with a plurality of ventilation openings 1110, the plurality of ventilation openings 1110 are spaced apart, and the plurality of ventilation openings 1110 are spaced apart from each other at equal intervals, and the air outlet 111 is located in the ventilation opening 1110 of the fourth bracket 25 (the description herein refers to the air outlet 111 being located in the ventilation opening 1110 in a top view state);

the first support 31, the second support 33, the third support 21 and the fourth support 25 also ensure to some extent the effective filter area of the filter layers (first filter layer 3, second filter layer 32, third filter layer 22 and fourth filter layer 2);

the connecting blocks 24 on the first bracket 31, the second bracket 33, the third bracket 21 and the fourth bracket 25 can fix and seal the inner rings of the structures (only need to be connected with the connecting grooves 42 on the inner wall of the filter box), so that the structures are connected, matched and fixed. Meanwhile, the sealing of the film layers (the first, second, third and fourth filter layers) is not bonded and sealed with the m-shaped support through the organic glue, but is sealed through the pressing between the m-shaped supports (the first support 31, the second support 33, the third support 21 and the fourth support 25). The structure simplifies the assembly steps and is more convenient for the disinfection treatment of the product in the later period.

Referring to fig. 3 to 8, in a preferred embodiment, the main body of the purifier includes a top cover 11, a side plate 1 and a bottom cover 131, both ends of the side plate 1 are respectively connected with the top cover 11 and the bottom cover 131, an air inlet 122 is provided on the side plate 1, a through hole 112 penetrates from the top cover 11 to the bottom cover 131, a filter cavity is positioned between the top cover 11 and the bottom cover 131, the through hole 112 is positioned at the center of the top cover 11 and the bottom cover 131, air outlets 111 are positioned on the top cover 11, a plurality of air outlets 111 are provided, and a plurality of air outlets 111 are provided around the through hole 112.

The plurality of air outlets 111 take the through holes 112 as the center, and form a circular area around the through holes 112, so that the aesthetic property is improved to a certain extent.

Referring to fig. 2-8, in the preferred embodiment, the inner wall of the side plate 1 is further provided with a connecting groove 42, the top cover 11 includes a top plate 23 and a fourth bracket 25, one end of the fourth bracket 25 is connected with the top plate 23, the other end of the fourth bracket is arranged protruding outwards relative to the top plate 23, the fourth bracket 25 is further provided with a connecting block 24 connected with the connecting groove 42, when the top cover 11 is connected with the side plate 1, the connecting block 24 is located in the connecting groove 42, the air outlet 111 is located on the top plate 23, and the fourth bracket 25 is further connected with the filter assembly.

Referring to fig. 2-8, in a preferred embodiment, the purifier body is further provided with an air inlet device, the air inlet device includes a connector 121 and a connecting pipe 12, one end of the connecting pipe 12 is connected to an air inlet 122, the other end of the connecting pipe 12 is connected to the connector 121, and the air inlet 122 is in communication with the filter cavity.

In the actual use process, only the scalpel cutter bar is connected with the through hole 112, then the puncture outfit is connected with the connector 121 of the air inlet device, the length of the connecting pipe 12 and the model and specification of the connector 121 are mainly selected according to the actual situation, and the conventional connector 121 or the luer connector 121 can be adopted.

Referring to fig. 1 and 5, in a preferred embodiment, the purifier body includes a bottom cover 131, an adhesive layer 115 is provided on the bottom cover 131, a circular hole is provided at the center of the adhesive layer 115, the through hole 112 is located in the circular hole, and the circular hole is larger than the radius of the through hole 112; or alternatively, the first and second heat exchangers may be,

the purifier main body comprises a bottom cover 131, a first barb portion 113 and a second barb portion 114 are arranged on the bottom cover 131, the first barb portion 113 and the second barb portion 114 are respectively located on two sides of the through hole 112, the first barb portion 113 and the second barb portion 114 are outwards protruding relative to the bottom cover 131, the first barb portion 113 comprises a first barb block, the second barb portion 114 comprises a second barb block, and the first barb block and the second barb block are oppositely arranged.

In the second embodiment, the purifier body includes a bottom cover 131, an adhesive layer 115 is provided on the bottom cover 131, a circular hole is provided at the center of the adhesive layer 115, and the circular hole is larger than the radius of the through hole 112; or alternatively, the first and second heat exchangers may be,

in the first embodiment, the main body of the purifier includes a bottom cover 131, the bottom cover 131 is provided with a first barb portion 113 and a second barb portion 114, the first barb portion 113 and the second barb portion 114 are respectively located at two sides of the outer wall of the through hole 112, the first barb portion 113 and the second barb portion 114 protrude outwards relative to the bottom cover 131, the first barb portion 113 includes a first barb block, the second barb portion 114 includes a second barb block, the first barb block and the second barb block are disposed opposite (the opposite direction of the first barb block and the second barb block refers to opposite direction), and the distance between the first barb portion 113 and the second barb portion 114 and the outer wall of the through hole 112 is the same.

In the first embodiment, the puncture outfit is fixedly connected with the scalpel cutter bar, then the through hole 112 on the gas purifier is connected with the scalpel cutter bar, the interface of the puncture outfit is connected with the gas inlet device, and the puncture outfit is also provided with matching grooves with the first barb part 113 and the second barb part 114 for being connected with the first barb part 113 and the second barb part 114, so that the puncture outfit and the gas purifier are fixedly connected;

in the second embodiment, the puncture outfit is fixedly connected with the scalpel cutter bar, then the through hole 112 on the gas purifier is connected with the scalpel cutter bar, the interface of the puncture outfit is connected with the air inlet device, at this time, the puncture outfit and the gas purifier are only connected through the bonding layer 115, and the bonding layer 115 can be made of adhesive materials such as double faced adhesive tape.

The gas purifier provided by the utility model has the advantages that the purifier main body is directly fixed at the top of the puncture outfit through the barbs or the strong double-sided adhesive tape, and the large-angle rotation in the operation process is not influenced.

The gas purifier provided by the utility model filters smoke by adopting various filter material combinations including a HEPA film, high iodine value activated carbon, high specific surface MnO2 combination, niCu alloy porous paper-shaped film and the like, wherein the HEPA film mainly filters solid and liquid particulate matters in the smoke; the high iodine value activated carbon adsorbs gaseous organic matters; the MnO2 carries out catalytic decomposition on organic matters, and has the functions of disinfection and sterilization; the NiCu alloy porous paper membrane has the functions of filtering particulate matters and sterilizing;

the gas purifier provided by the utility model has longer service life, and the service life is more than 2 hours in experiments of generating smoke by continuous cutting of a scalpel. The common endoscopic surgery is within 10 hours, and the time for generating smoke by cutting with a practical surgical knife is difficult to exceed 2 hours, so that the service life of the surgical knife can meet the use requirements of the endoscopic surgery;

the gas purifier provided by the utility model is small in size, convenient to install, and is connected with the air passage opening of the puncture outfit, and is fixed on the top of the puncture outfit without affecting operation. The filling amount of the filter material in the device is calculated according to the property of the filter material, the proper filling amount is determined, and the volume of the final device is only about 40-70cm ³ 。

The beneficial effects of the utility model are as follows: the surgical gas purifier provided by the utility model is fixedly connected with the surgical knife and the puncture outfit through the through holes arranged on the main body, so that the working efficiency is improved to a certain extent, the installation is more convenient, and the purifying effect is better.

In this specification, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description of the terms "preferred embodiment," "further embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The utility model provides a surgery gas purifier, its characterized in that, include the clarifier main part and be located filter component in the clarifier main part, the clarifier main part middle part has the through-hole that runs through to the other end by one end, the through-hole outer wall with form the filter cavity between the inner wall of clarifier main part, still be equipped with air inlet and gas outlet respectively in the clarifier main part, the air inlet with the gas outlet all with the filter cavity UNICOM, filter component is located in the filter cavity and be located between air inlet and the gas outlet, filter component will filter cavity separates into first cavity and second cavity, the air inlet with first cavity UNICOM, the second cavity with the gas outlet UNICOM.

2. The surgical gas purifier of claim 1 wherein the filter assembly comprises a first filter and a second filter disposed in spaced relation, the first filter and the second filter each being in communication with an outer wall of the through bore, a first cavity being formed between the first filter and the bottom of the purifier body, a second cavity being formed between the first filter and the second filter, the first cavity and the second cavity being connected to form a filter cavity, the second filter further being connected to the top of the purifier body, the air inlet being in communication with the first cavity, the air outlet being disposed at the top of the purifier body and in communication with the second cavity.

3. The surgical gas purifier of claim 1 wherein the filter assembly comprises a first filter and a second filter arranged at intervals, the outer wall of the through hole is provided with a second stepped groove and a groove, the second stepped groove and the groove are respectively arranged at two ends of the outer wall of the through hole, the inner wall of the purifier body is further provided with a first stepped groove, when the filter assembly is connected with the outer wall of the through hole and the purifier body, the first filter is connected with the inner wall of the purifier body through the first stepped groove, the first filter is connected with the outer wall of the through hole through the second stepped groove, the second filter is connected with the outer wall of the through hole through the groove, the second filter is connected with the inner wall of the purifier body, and the heights of the first stepped groove and the second stepped groove are matched.

4. A surgical gas purifier as recited in claim 3, wherein the first filter device and the second filter device are each provided with a connection block, the purifier body is provided with a connection groove and a sliding groove on an inner wall thereof, and when the filter assembly is connected with the purifier body, the connection blocks of the first filter device and the second filter device are respectively located in the two connection grooves, and the sliding groove is located between the two connection grooves and connected with the two connection grooves.

5. The surgical gas purifier of claim 2 wherein the first filter device comprises a first filter layer, a first support, a second filter layer and a second support connected in sequence from top to bottom, the second filter device comprises a third filter layer, a fixing assembly and a fourth filter layer connected in sequence from top to bottom, the second cavity is positioned between the first filter layer and the fourth filter layer, the first cavity is positioned between the bottom of the purifier body and the second support, the third filter layer is connected with the top of the purifier body, first connecting holes are formed in the centers of the first filter layer, the first support, the second filter layer and the second support, and the first connecting holes are connected with the outer walls of the through holes in a matching manner.

6. The surgical gas purifier of claim 5 wherein the securing assembly comprises a third bracket and a circular sleeve, the circular sleeve is positioned at a center of the third bracket and one end of the circular sleeve is connected with the third bracket, the other end of the circular sleeve is arranged to protrude outwards relative to the third bracket and is connected with the first filter layer, an inner wall of the circular sleeve is further connected with an outer wall of the through hole, the inner wall of the circular sleeve is provided with a protruding block, when the circular sleeve is connected with the outer wall of the through hole, the protruding block is positioned in a groove of the outer wall of the through hole, connecting blocks are arranged on the first bracket, the second bracket and the third bracket, a connecting groove which is connected with the connecting blocks in a matching manner is further arranged on the inner wall of the main body of the purifier, a second connecting hole which is connected with the outer wall of the circular sleeve in a matching manner is arranged at the center of the third filter layer and the fourth filter layer, and the second connecting hole is larger than the radius of the first connecting hole.

7. The surgical gas purifier of claim 1 wherein the purifier body comprises a top cover, a side plate and a bottom cover, wherein two ends of the side plate are respectively connected with the top cover and the bottom cover, the gas inlet is arranged on the side plate, the through hole penetrates from the top cover to the bottom cover, the filter cavity is positioned between the top cover and the bottom cover, the through hole is positioned at the center of the top cover and the bottom cover, the gas outlet is positioned on the top cover, the gas outlets are multiple, and the gas outlets are arranged around the through hole.

8. The surgical gas purifier of claim 7 wherein said side plate has a connecting slot in an inner wall thereof, said top cover including a top plate and a fourth bracket, said fourth bracket having one end connected to said top plate and another end projecting outwardly relative to said top plate, said fourth bracket further having a connecting block connected to said connecting slot, said connecting block being positioned in said connecting slot when said top cover is connected to said side plate, said air outlet being positioned on said top plate, said fourth bracket further being connected to said filter assembly.

9. The surgical gas purifier of claim 1 wherein the purifier body is further provided with an air inlet device, the air inlet device comprising a connector and a connecting tube, one end of the connecting tube being connected to the air inlet, the other end of the connecting tube being connected to the connector, the air inlet being in communication with the filter chamber.

10. The surgical gas purifier of claim 1 wherein the purifier body comprises a bottom cover having an adhesive layer thereon, a circular aperture being provided in the center of the adhesive layer, the through aperture being located within the circular aperture, the circular aperture being larger than the radius of the through aperture; or alternatively, the first and second heat exchangers may be,

the purifier main body comprises a bottom cover, a first barb portion and a second barb portion are arranged on the bottom cover, the first barb portion and the second barb portion are respectively located on two sides of the through hole, the first barb portion and the second barb portion are outwards protruding relative to the bottom cover, the first barb portion comprises a first barb block, the second barb portion comprises a second barb block, and the first barb block and the second barb block are oppositely arranged.