KR20200023799A - A Smoke Filter Assembly with a Structure of Exchanging a Filter - Google Patents

Abstract

The present invention relates to a smoke filter having a filter replacement structure. More specifically, the present invention relates to a smoke filter assembly having a filter replacement structure capable of replacing and filtering a filter that induces and filters various types of harmful gases generated during a surgical procedure. The smoke filter assembly of the filter replacement structure comprises: an induction module (10), formed of a receiving case (11) in which a receiving space is formed inside thereof and one side thereof is opened, while a connecting passage (14) is formed; a sealing module (20) which is detachably coupled through one opened side of the induction module (10); and a filter fixing module which is coupled to the sealing module (20) while the filter is fixed, and fixes the filter inside the receiving space.

Description

Smoke filter assembly with a structure of exchanging a filter

The present invention relates to a smoke filter of the filter replacement structure, and more particularly, to a smoke filter assembly of the filter replacement structure capable of replacing a filter for inducing and filtering various kinds of harmful gases generated during a surgical procedure.

In an endoscope or similar surgical procedure, a surgical tool such as a trocar or a guide port may be used so that there is no incision, or the surgery may be performed by minimal incision. Gas, such as carbon dioxide, may be injected into the human body during the surgical procedure, and cutting and coagulation of the human body may be performed by ultrasound or electricity during the surgical procedure. Smoke may be generated during the coagulation process, and the smoke may be discharged to the outside through an inflow means of a surgical tool such as a trocar or a guide port. And the smoke discharged in this way need to be filtered by the filter because it contains harmful components, the smoke filter assembly can be used for this purpose. Patent Publication No. 10-2016-0146110 discloses a trocar exhaust filter assembly coupled to the gas outlet of the trocar during laparoscopic surgery to filter and discharge the gas in the abdominal cavity. Also, Patent Registration No. 10-1601130 relates to a laminated structure of a filter used to filter smoke generated during surgery, a smoke filter to which the laminated structure is applied, and a method of manufacturing a smoke filter. The laminated structure of the filter which can maintain the performance of a filter and is easy to manufacture is disclosed. Prior art or known smoke filters are fixed inside the filter assembly and the assembly with the filter is discarded. In this way, the entire filter assembly is used for one-time use, thereby increasing production costs, which may cause various environmental problems. Therefore, a structure capable of replacing the filter is required, but the prior art does not disclose this.

An object of the present invention is to solve the problems of the prior art has the following object.

Prior Art 1: Patent Publication No. 10-2016-0146110 (Sejong Medical Co., Ltd., December 21, 2016) Exhaust filter assembly for trocar Prior Art 2: Patent Registration No. 10-1601130 (Kumho N & T Co., Ltd., Announcement of March 22, 2016) The laminated structure of the filter, the smoke filter and the smoke filter manufacturing method to which the laminated structure is applied

SUMMARY OF THE INVENTION An object of the present invention is to provide a smoke filter assembly with a filter replacement structure capable of replacing a filter.

According to a preferred embodiment of the present invention, the smoke filter assembly of the filter replacement structure includes an induction module having a connection passage formed therein and an accommodating case having an opening space formed on one side thereof; A hermetically sealed module detachably coupled through the open side of the induction module; And a filter fixing module coupled to the sealed module while the filter is fixed and fixing the filter inside the accommodation space.

According to another suitable embodiment of the invention, at least one guide member disposed inside the receiving case; And an induction hole formed in the filter fixing module to couple the induction member.

According to another suitable embodiment of the present invention, the filter holding module is detachably coupled with the sealing module.

The smoke filter assembly according to the present invention has a structure in which the filter can be replaced so that the filter assembly can be used again. This has the advantage of being environmentally friendly by allowing the smoke filter assembly made of synthetic resin or similar material to be reused by sterilization and filter replacement. The smoke filter assembly according to the present invention allows various filters to be applied to the same filter assembly according to a surgical procedure, while allowing replacement of the filter in the surgical procedure as necessary. In addition, the filter assembly according to the invention makes the manufacture and assembly simple.

1 illustrates an embodiment of a smoke filter assembly of a filter replacement structure in accordance with the present invention.
FIG. 2 shows the form of FIG. 1 viewed in different directions.
3 illustrates an embodiment of a filter fixing module applied to the filter assembly according to the present invention.
Figure 4 shows an embodiment in which the filter assembly according to the present invention is applied.

Hereinafter, the present invention will be described in detail with reference to the embodiments set forth in the accompanying drawings, but the embodiments are provided for clarity of understanding and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, and thus are not repeatedly described unless necessary for the understanding of the invention, and well-known components are briefly described or omitted. It should not be understood to be excluded from the embodiment of.

1 illustrates an embodiment of a smoke filter assembly of a filter replacement structure in accordance with the present invention.

Referring to FIG. 1, a smoke filter assembly having a filter replacement structure includes an induction module 10 having a connection passage 14 formed therein and an accommodation space 11 formed therein and having one side open with an accommodation case 11; A hermetic module 20 detachably coupled through the open side of the induction module 10; And a filter fixing module 30 which is coupled to the hermetic module 20 while the filter is fixed and fixes the filter to the inside of the accommodation space.

The induction module 10 has a function of fixing the filter in a predetermined position while inducing smoke or a similar gaseous harmful substance from the trocar, guide port or similar surgical tool into the filter. It may also have a function to discharge the gas filtered by the filter to the outside. Induction module 10 includes an accommodating case 11 having an accommodating space therein; A stopper plate 12 formed inside the housing case 11; At least one guide member (13a, 13b) extending from the stopper plate (21); And a connection passage 14 formed to protrude outward from the inside of the housing case 11. The accommodating case 11 may have an accommodating space open at one part or one side thereof, and may have a cylindrical shape or the like shape having a flat elliptic cross section as a whole. The stopper plate 12 may be disposed in the interior of the accommodation space, and the stopper plate 12 may restrict the movement of the filter fixing module 30 in the interior of the accommodation space while the filter fixing module 30 is fixed in a predetermined position. do. The stopper plate 12 may be made integral with the housing case 11 or may be made independently and coupled to the interior of the housing case 11. At least one guide member 13a, 13b may extend from the stopper plate 12 toward the open side of the housing case 11. At least one guide member 13a, 13b may extend along the extension direction of the housing case 11 while one end is fixed to the stopper plate 12. The accommodating case 11 may consist of two parts separated up and down, or may be made of one assembly. In addition, a connection passage 14 may be formed at one portion of the housing case 11, and the connection passage 14 may be formed to have a structure penetrating from the inside of the housing case 11 to the outside. The connection passage 14 may have various structures in which gas including smoke may flow, and may be made of a structure capable of inducing gas into the stopper plate 12 inside the accommodating case 11. The connection passage 14 may be formed in the finishing portion 11a formed at the front of the housing case 11, and the finishing portion 11a may be a stopper plate 12 while one portion of the housing case 11 becomes a sealed structure. It can be made of a variety of structures to prevent the inflow of smoke induced into the inside of. A coupling edge 11b may be formed on an open surface or an open portion of the housing case 11, and the coupling edge 11b may be, for example, an elliptic shape or the like. In addition, a plurality of coupling tabs 111a to 111c such as, for example, linear protrusions may be formed on the coupling edge 11b. In addition, the induction module 10 and the sealing module 20 may be detachably coupled by the fixing tabs 221a to 221c coupled to the coupling tabs 111a to 111c.

The hermetic module 20 includes a hermetic case 21 coupled to an open portion of the accommodating case 11 to form a case having an overall hermetic structure; A sealing edge 22 formed at the open portion of the sealing case 21; And a handle 24 formed at the closed portion of the sealed case 21. The sealed case 20 may have a function of disposing the filter fixing module 30 inside the accommodation space or taking out of the accommodation space to replace the filter while sealing the open portion of the accommodation space. An airtight edge 22 formed to be in contact with the coupling edge 11b of the housing case 11 may be formed in the airtight module 20. A plurality of fixing tabs 221a to 221c are formed at the sealing edge 22 so that the coupling tabs 111a to 111c may be detachably coupled, and the coupling tabs 111a to 111c and the fixing tabs 221a to 221c may be combined. Respective coupling protrusions and receiving grooves may be provided, but are not limited thereto. The fixing block 23 may be formed toward the front of the sealing edge 22, and the filter fixing module 30 may be detachably formed or integrally formed on the fixing block 23. The handle 24 may be formed at a closed portion of the sealed case 21, and the handle 24 may be formed to protrude out of the sealed case 21. The handle 24 may have a plate shape integrally formed with the sealed case 21, and a handling hole 241 may be formed at a central portion thereof. Handle 24 may be made in a variety of structures and is not limited to the embodiments shown.

The filter fixing module 30 may be made to be integrally formed with or detachable from the sealing module 20. The filter fixing module 30 includes a pair of blocking plates 31a and 31b disposed to face each other; A filter fixing body 32 in which a filter unit is disposed while connecting a pair of blocking plates 31a and 31b; And an induction passage 33 formed to be connected to the connection passage 14 while protruding outward from the first blocking plate 31a. The pair of blocking plates 31a and 31b may have the same or similar shape, and may have a function of preventing the smoke induced into the filter fixing body 32 from leaking to the outside. According to the design structure, the second blocking plate 31b may be integrally formed with the fixing block 23, but preferably, the second blocking plate 31b may be formed to be detachable from the fixing block 23. Induction holes 34a, 34b, 35a, and 35b may be formed in the blocking plates 31a and 31b to which the induction members 13a and 13b are coupled, and the filter fixing module 30 may include the induction holes 34a and 31b. It may be guided along the guide members 13a and 13b coupled to the 34b, 35a, and 35b and fixed to the receiving space. The guide holes 34a, 34b, 35a, and 35b may be shaped to penetrate the first and second blocking plates 31a and 31b, or may have a semicircular groove shape at the edges of the first and second blocking plates 31a and 31b. Can be, but is not limited to this. The filter fixing body 32 may be integrally formed with the first and second blocking plates 31a and 31b, and may be made of a structure in which a filter of a plate or a roll shape may be wound. In a state where the filter unit is wound around the filter fixing body 32, the smoke induction tube may be introduced into the accommodation space through the connection passage 14 and connected to the induction passage 33. The filter fixing body 32 may be a sealed space in which the filter unit surrounds the outside, and gas including smoke introduced into the filter fixing body 32 may be discharged to the outside through the filter unit. As the smoke is filtered by the filter unit, the purge gas may be discharged to the outside of the housing case 11 via the outside of the filter unit.

The filter fixing body 32 may be made of various structures in which an inflow space is formed while fixing the filter unit, and is not limited to the embodiments shown.

FIG. 2 illustrates the form of FIG. 1 viewed in different directions, and FIG. 2A illustrates the shape of the induction module 10 viewed in the direction of the open portion of the housing case 11. And (b) of FIG. 2 shows the shape which looked at the sealing module 20 from the direction in which the filter fixing module 30 was formed.

Referring to FIG. 2, the coupling edge 11b may have an elliptic shape, and a plurality of protrusion tabs 111a to 111f having protrusion shapes may be formed on the thickness surface of the coupling edge 11b, and the coupling tab 111a may be formed. To 111f), the formation position or the number of formation is not limited. The stopper plate 12 may be formed integrally with the inner surface of the housing case 11 and extend vertically with respect to the inner surface, and guided to the stopper plate 12 through the connection passage 14. A semicircular guide groove 121 may be formed to stably position the tube. The induction members 13a and 13b described above can be fixed to the stopper plate 12. The stopper plate 12 may be made of various structures capable of fixing the blocking plate 31a and is not limited to the embodiments shown.

The blocking plate 31a may have an elliptical shape or the like, and a plurality of fixing tabs 221a to 221f having a receiving hole or a groove shape may be formed in the sealing edge 22. As described above, the coupling tabs 111a to 111f and the fixing tabs 221a to 221f may be formed at various positions that can be coupled to each other and are not limited to the embodiments shown. An induction passage may be formed in the center of the blocking plate 31a, and guide holes 34a and 34b may be formed in the blocking plate 31a to couple the induction members 13a and 13b. As described above, the accommodating case 11 may be formed of an upper accommodating case and a lower accommodating case, which may be separated from each other, or may be made of one structure. The blocking plate 31a may be formed integrally with the filter fixing body or with a detachable structure.

3 illustrates an embodiment of a filter fixing module applied to the filter assembly according to the present invention.

Referring to FIG. 3, a receiving member 321 having a shape for connecting a pair of blocking plates 31a and 31b facing each other may be formed in the filter fixing body 32, and the receiving member 321 and the filter fixing may be formed. The inlet space of the gas including smoke may be formed by the body 32. In addition, the coupling block 34 may be formed to be detachable from the second blocking plate 31b, and the fixing protrusion 341 may be formed on the coupling block 34. The filter holding module 30 may be made independent of the sealing module and then assembled. After assembly, it may or may not be removed for filter replacement. As such, the coupling block 34 may be a structure necessary for convenience of manufacture and assembly, and the fixing protrusion 341 may be an elastic coupling structure. As described above, the hermetic module and the filter fixing module 30 may be integrally formed or have a detachable coupling structure, and the coupling of the filter fixing module 30 may be made in various ways and is limited to the embodiments shown. It doesn't work.

Figure 4 shows an embodiment in which the filter assembly according to the present invention is applied.

Referring to FIG. 4, an induction tube 43 may be introduced into the filter assembly 10 through the connection passage 14, and a valve unit 42 may be installed in the induction tube 43 to provide a trocar or guide. The inflow of gas, including smoke, that flows through the induction tube 43 from a surgical instrument such as a port may be controlled. The hermetic module 20 may be combined with the induction module 10 to form a coupling line CP, and a filter may be located inside the coupling line CP. In addition, a plurality of discharge holes 41a to 41d may be formed to penetrate the housing case 11 inside the coupling line CP. Gas introduced into the filter assembly 10 through the induction tube 43 is introduced into the filter fixing body, and smoke may be filtered while passing through the filter unit. The purge gas from which smoke is removed may be discharged to the outside of the discharge holes 41a to 41d. The discharge holes 41a to 41d may be formed at various positions and are not limited to the embodiments shown.

The smoke filter assembly according to the present invention has a structure in which the filter can be replaced so that the filter assembly can be used again. This has the advantage of being environmentally friendly by allowing the smoke filter assembly made of synthetic resin or similar material to be reused by sterilization and filter replacement. The smoke filter assembly according to the present invention allows various filters to be applied to the same filter assembly according to a surgical procedure, while allowing replacement of the filter in the surgical procedure as necessary. In addition, the filter assembly according to the invention makes the manufacture and assembly simple.

Although the present invention has been described in detail above with reference to the presented embodiments, those skilled in the art may make various modifications and modifications without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by these modifications and variations, but only by the claims appended below.

10: induction module 11: housing case
11a: finish 11b: joining border
12: stopper plate 13a, 13b: guide member
14: connection passage 20: sealed module
21: airtight case 22: airtight border
23: fixed block 24: handle
30: filter fixing module 31a, 31b: first, second blocking plate
32: filter fixing body 33: induction passage
34: coupling block 34a, 34b, 35a, 35b: induction hole
41a to 41d: discharge hole 42: valve unit
43: guide tube 111a to 111f: coupling tab
121: guide grooves 221a to 221f: fixing tabs
241: handling hole 321: receiving member
341: fixing protrusion CP: coupling line

Claims (3)

An induction module 10 having a connection passage 14 formed therein and an accommodation space formed therein, the induction module 10 having one side opened with an accommodation case 11;
A hermetic module 20 detachably coupled through the open side of the induction module 10; And
Smoke filter assembly of the filter replacement structure comprising a filter fixing module 30 is fixed to the filter while the filter is coupled to the sealed module 20, the interior of the receiving space. At least one guide member (13a, 13b) disposed inside the housing case (11); And induction holes (34a, 34b) formed in the filter fixing module (30) such that the induction members (13a, 13b) are coupled to each other. 2. The smoke filter assembly of claim 1, wherein the filter holding module (30) is detachably coupled to the hermetic module (20).

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