WO2023090753A1

WO2023090753A1 - Medical aspirator flat module including double o-ring to prevent biological cross-contamination due to multiple uses and to continuously maintain clean state

Info

Publication number: WO2023090753A1
Application number: PCT/KR2022/017601
Authority: WO
Inventors: 오영우; 박영근; 매슬로우조엘; 조병문; 정문섭; 이효진; 박지호; 오예은
Original assignee: 주식회사 큐비스트; 진원생명과학 주식회사
Priority date: 2021-11-16
Filing date: 2022-11-10
Publication date: 2023-05-25
Also published as: KR20230071323A

Abstract

The present invention relates to a medical aspirator flat module including a double O-ring to prevent biological cross-contamination due to multiple uses and to continuously maintain a clean state and, more specifically, to a medical aspirator flat module including a double O-ring to prevent biological cross-contamination due to multiple uses and to continuously maintain a clean state, wherein a suction part of the medical aspirator flat module includes a seating groove engraved in an annular shape along the side surface of the suction part, and an O-ring part stably placed in the seating groove, has an annular shape, and formed of an ABS plastic material to prevent a cap from being separated from the suction part. The O-ring part includes: a body loaded into the seating groove; and a plurality of seating protrusions protruding from the bottom surface of the body and having a width of 3 to 10 mm to increase adsorption force, wherein the seating protrusions have a shape and a number corresponding to the shape and the number of the seating grooves so as to be inserted into the seating grooves.

Description

Medical aspirator flat module with double O-rings to prevent cross-biological contamination due to multiple uses and to maintain cleanliness continuously

The present invention relates to a medical aspirator flat module including a double O-ring to prevent cross-biological contamination due to multiple use and to continuously maintain a clean state, and more particularly, a suction part is formed in an annular shape on the side of the suction part. a seating groove and an O-ring portion seated in the seating groove and having an annular shape and made of ABS plastic material to prevent the cap from being separated from the suction portion; a body loaded into the seating groove; and a plurality of seating protrusions protruding from the lower surface of the body and having a width of 3 to 10 mm to increase adsorption force, and the seating groove has a shape of the seating groove so that the seating protrusion can be inserted therein. It relates to a medical aspirator flat module including a double O-ring to prevent cross-biological contamination due to multiple uses and to continuously maintain a clean state, characterized in that it has a shape and number corresponding to the number of and.

The contents described in this part simply provide background information on the present invention and do not constitute prior art.

As medical aspirators are used for medical purposes even for simple medical procedures, the importance of cleanliness and hygiene management is relatively emphasized compared to general cosmetic aspirators.

Particularly, during medical procedures, body secretions may be secreted from the application site, and when such body secretions flow into the aspirator, bacteria may inhabit and cause cross-contamination.

However, the conventional medical aspirator module does not have any configuration capable of preventing secretions and foreign substances generated at the application site due to negative pressure during medical procedures from being introduced into the protruding part.

Therefore, as described above, development of an aspirator module capable of solving the problems of conventional medical aspirators is required.

The problem to be solved by the present invention is to supplement the above-mentioned disadvantages of the prior art, and the object of the present invention is as follows.

First, a protective cap is provided to prevent the suction hole or the suction port from becoming stagnant as the secretion fluid and foreign substances generated at the application site flow into the suction device, and the protective cap and the suction port are provided on the side of the suction port so that the adsorption power of the suction port can be increased. It is intended to provide an aspirator flat module including a rectangular double O-ring including an disposed O-ring.

Second, it is intended to provide an aspirator flat module including seating protrusions and friction protrusions protruding from the O-ring body so that productivity and adsorption power can be increased when the O-ring is double-injected.

The tasks of the present invention are not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art from the description below.

The suction part according to the present invention has a seating groove formed in an annular shape on the side of the suction part and an annular shape seated in the seating groove, and an O-ring formed of ABS plastic material to prevent the cap from being separated from the suction part. A body including a part, wherein the O-ring part is loaded into the receiving groove; and a plurality of seating protrusions protruding from the lower surface of the body and having a width of 3 to 10 mm to increase adsorption force, and the seating groove has a shape of the seating groove so that the seating protrusion can be inserted therein. It may have a shape and a number corresponding to the number of and .

Furthermore, the head part continuously maintains a first annular packing part extending from the upper end of the body part, a second packing part of an annular shape disposed on the upper end of the first packing part and detachable from the first packing part, and hygiene and cleanliness. It may include a replaceable filter part disposed between the first packing part and the second packing part so as to be maintained.

In addition, the second packing part has a coupling protrusion protruding from the lower surface of the second packing part so that the fastening force between the first packing part and the second packing part can be improved by primarily increasing the contact surface area between the first packing part and the second packing part. can include

Meanwhile, the second packing part may include an elastic part disposed between the second packing part and the coupling protrusion to prevent the second packing part from being damaged by an impact generated during attachment/detachment.

At this time, the elastic part includes a protrusion protruding from the lower surface of the elastic part so that the contact surface area between the first packing part and the second packing part is increased secondarily so that the fastening force of the first packing part and the second packing part can be improved. 1 The packing part may include a receiving groove disposed on an upper surface thereof to accommodate the protruding part.

In addition, the protruding part has a predetermined slope so that the contact surface area between the first packing part and the second packing part increases three times so that the fastening force of the first packing part and the second packing part can be improved, and the receiving groove is formed therein. It may have a slope corresponding to the slope of the protrusion so that the protrusion can be inserted into.

According to another feature of the present invention, the control unit may include a button unit capable of step-by-step and selectively adjusting the suction strength of the suction unit by a user's pressurization operation, and a panel unit disposed on a lower surface of the button unit to support the button unit.

At this time, the button part has a first eccentric part in which the height of the button part gradually rises toward the outer surface from the center of the button for the convenience of the user's operation, and the first eccentric part to induce the user to press the first eccentric part. It may include a second eccentric portion in which the height of the button portion gradually decreases toward the outer surface from the outer surface.

Furthermore, the width of the second eccentric part is gradually reduced from the upper surface of the button part toward the bottom with the longitudinal direction of the button part as an axis so as to prevent the button part and the housing from being damaged by friction as the button part is pressed by the user. It may have a shape narrowing to .

In addition, the first panel disposed on the lower surface of the button unit supports the button unit and primarily prevents external substances from entering the housing, and secondarily prevents external substances from entering the housing. A second panel disposed on a lower surface of the first panel and a third panel disposed on a lower surface of the second panel to support the first panel and the second panel may be included.

On the other hand, the first panel includes a first transmission unit that is formed to protrude from the lower surface of the first panel to primarily transmit the pressure pressed downward to the button unit by the user to the control module, and the second panel is the second panel. It may include a second transmission unit that secondarily transmits the pressure pressed downward to the first transmission unit to the control module by being intaglio formed from the lower surface.

At this time, the first panel includes a guider protruding from the side of the first panel so that the first panel and the second panel can be fastened in a predetermined coupling direction, and the second panel has a second panel to accommodate the guider. It may include a guider receiving portion protruding from the side of the panel.

Furthermore, the third panel may include a plurality of coupling grooves protruding from the side surface of the third panel so as to be coupled to and fixed with the control module and including a receiving space into which a coupling member or the like can be inserted.

Additional solutions of the present invention will be explained in part in the description that follows below, and can be readily ascertained in part from the description, or can be obtained by practice of the present invention.

Both the foregoing general description and the following detailed description are illustrative and explanatory only and do not limit the invention described in the claims.

The effects of the present invention configured as described above are described as follows.

First, it is possible to prevent the suction hole or the suction port from being stagnant by inflow of secretions and foreign substances generated at the application site into the inside of the suction device, and the adsorption force of the protective cap and the suction port can be increased by the O-ring part disposed on the side of the suction port. there is.

Second, since the seating protrusion and the friction protrusion protruding from the body of the O-ring are provided, productivity and the adsorption force between the cap and the suction part can be increased when the O-ring is double-injected.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a detailed view of a flat module according to one embodiment of the present invention.

2 is a detailed view of an O-ring unit according to an embodiment of the present invention.

3 is a detailed view of a cap according to one embodiment of the present invention.

4 is a perspective view of an adjusting unit according to an embodiment of the present invention.

5 is a detailed view of a button unit according to an embodiment of the present invention.

6 is an exploded view of a panel unit according to an embodiment of the present invention.

7 and 8 are detailed views of the suction unit according to an embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

However, in describing a specific embodiment of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

The foregoing objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. However, the present invention can apply various changes and can include various embodiments. Hereinafter, specific embodiments will be illustrated in the drawings and described in detail.

If it is determined that a detailed description of a known function or configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, the numbers used in the description process of this specification are only identifiers for distinguishing one component from another component.

In addition, the suffix "part" for components used in the following description is used or used interchangeably only to easily compose the specification, and does not itself have a meaning or role distinct from each other.

According to an embodiment of the present invention, the medical aspirator flat module including a double O-ring to prevent cross-biological contamination due to multiple uses and to continuously maintain a clean state includes a housing 200, a suction part 300, and a cap ( 400) may be included.

The housing 200 may include a suction module therein.

The housing 200 may include an adjusting unit 210 capable of adjusting suction strength.

The housing 200 is a rigid body (for example, metal such as iron, aluminum, copper, etc., or polystyrene (PS), ABS, polyacetal (POM), polyethylene (PE), polyvinyl chloride (PVC)) whose shape does not change. , synthetic resins such as polycarbonate (PC), polycaprolactone (PCL) and polypropylene (PP) may be selected).

The suction part 300 is connected to the upper end of the body part 410 and can suck the secretion generated at the application site.

The suction part 300 may include a seating groove 360 and an O-ring part 370 .

The seating groove 360 may be engraved in an annular shape on the side of the suction part 300 .

The O-ring part 370 is seated in the seating groove 360 and may have an annular shape.

The O-ring part 370 may be formed of an ABS plastic material to prevent the cap 400 from being separated from the suction part 300 .

The O-ring part 370 protrudes from the lower surface of the body 371 and the body 371 loaded in the seating groove 360, and has a plurality of seating protrusions 372 having a width of 3 to 10 mm to increase the adsorption force. ), and friction protrusions 373 protruding from the upper surface of the body 371 to increase the adsorption force with the cap 400 and disposed opposite to both ends of the seating protrusion 372.

Unlike this, the seating protrusion 372 protrudes from the lower surface of the body 371, has a width of 10 to 20 mm to increase adsorption force, and may be formed singly.

The seating groove 360 may have a shape and number corresponding to the shape and number of the seating protrusions 371 so that the seating protrusions 372 can be inserted therein.

The cap 400 covers the outer surface of the suction part 300 so that the suction part 300 can contact a part of the body and suck the secretion generated at the application site during medical procedures, so that external substances can be removed into the suction part 300. inflow can be prevented.

The cap 400 may be attached to the top of the suction part 300 and may be separated from the top of the suction part 300 .

The cap 400 may include a body portion 410 and a head portion 420 .

The body part 410 is coupled to and detachable from the side surface of the suction part 300, and its outer surface may be knurled for improved grip.

The head part 420 extends from the upper surface of the body part 410 and may be spaced apart from the top of the suction part 300 by a predetermined distance when fastened to the suction part 300 .

The head part 420 may include a first packing part 421 and a second packing part 425 .

The first packing part 421 may extend from the upper end of the body part 410 and have an annular shape.

The second packing part 425 is disposed on the top of the first packing part 421, can be detachable from the first packing part 421, and can have an annular shape.

The second packing part 425 may include a coupling protrusion 426 and an elastic part 427 .

The coupling protrusion 426 primarily increases the contact surface area between the first packing part 421 and the second packing part 425, thereby improving the fastening force between the first packing part 421 and the second packing part 425. It may protrude from the lower surface of the second packing part 425 so that it can be formed.

A filter (not shown) may be coupled to a lower surface of the coupling protrusion 426 . The shape of the filter may be a lattice, or may have other known shapes.

Aspirator flat module according to an embodiment of the present invention by disposing a filter between the first packing part 421 and the second packing part 425 to prevent the inflow of the secretion liquid and external foreign substances at the application site, thereby preventing malfunction of the device and damage can be prevented.

Furthermore, since the filter unit 430 is detachable from the second packing unit 425, the filter unit 430 can be washed or replaced with a new filter, thereby providing an advantage in hygiene management.

The elastic part 427 may be disposed between the second packing part 425 and the coupling protrusion 426 to prevent the second packing part 425 from being damaged by an impact generated during attachment/detachment.

The elastic part 427 may include a protruding part 428 .

The protrusion 428 increases the contact surface area between the first packing part 421 and the second packing part 425 secondarily, so that the fastening force between the first packing part 421 and the second packing part 425 can be improved. It may protrude from the lower surface of the elastic part 427 so as to be formed.

The protrusion 428 increases the contact surface area between the first packing part 421 and the second packing part 425 threefold, so that the fastening force between the first packing part 421 and the second packing part 425 can be improved. may have a predetermined slope.

The first packing part 421 may include a receiving groove 422 .

The accommodating groove 422 may be disposed on the upper surface of the first packing part 421 to accommodate the protruding part 428 .

The accommodation groove 422 may have a slope corresponding to the slope of the protrusion 428 so that the protrusion 428 can be inserted therein.

The control unit 210 may include a button unit 220 and a panel unit 230 .

The button unit 220 may step-by-step and selectively adjust the suction strength of the suction unit 300 by a user's pressing operation.

The panel unit 230 may be disposed on a lower surface of the button unit 220 to support the button unit 220 .

The user can control the suction time or suction strength of the suction flat module by manipulating the button unit 220 .

More specifically, when the button unit 220 is pressed, a set time such as 1 second, 2 seconds, 3 seconds, 4 seconds, 5 seconds, 10 seconds, 15 seconds, 20 seconds, 30 seconds, 45 seconds, or 60 seconds can be sequentially increased. Furthermore, the aspirator module may be repeatedly executed in one cycle consisting of a suction time and a standby time. The cycle is 1 second, 2 seconds, 3 seconds, 4 seconds, 5 seconds, 10 seconds, 15 seconds, 20 seconds, 30 seconds, 45 seconds, or 60 seconds. , 3 seconds, 4 seconds, 5 seconds, 10 seconds, 15 seconds, 20 seconds, 30 seconds, 45 seconds, or at least one of 60 seconds may be configured as a waiting period selected, and the cycle is two or more plural times ( 1 to 10 times or more) may be repeated.

In addition, the user may press the button unit 220 to select at least one suction strength of 40, 50, 60, 65, 70, 75, 80, 85, 90, 95, or 100 kPa.

The button part 220 may include a first eccentric part 221 and a second eccentric part 222 .

As shown in (B) of FIG. 4, the first eccentric portion 221 is formed in a shape in which the height of the button portion 220 gradually rises from the center of the button toward the outer surface for the convenience of the user's operation. can

As shown in (B) of FIG. 4, the second eccentric part 222 is directed from the outer surface of the first eccentric part 221 to the outer surface so as to induce the user to press the first eccentric part 221. The more the height of the button unit 220 may have a shape that gradually descends.

As shown in (A) of FIG. 4, the first eccentric portion 221 and the second eccentric portion 222 may have an elliptical shape, but may have a circular shape. may have a different shape.

As shown in FIG. It may have a shape narrowing to .

As a result, it is possible to prevent the button unit 220 and the housing 200 from being damaged due to friction as the button unit 220 is pressed by the user.

The panel unit 230 may include a first panel 240 , a second panel 250 and a third panel 260 .

The first panel 240 may be disposed on a lower surface of the button unit 220 to support the button unit 220 and primarily prevent external substances from entering the housing 200 .

The second panel 250 may be disposed on a lower surface of the first panel 240 to secondarily prevent external substances from entering the housing 200 .

The third panel 260 may be disposed on the lower surface of the second panel 250 to support the first panel 240 and the second panel 250 .

As shown in (A) of FIG. 5, the first panel 240, the second panel 250, and the third panel 260 may be formed in a circular shape, but may have an elliptical shape. It may have other known shapes such as triangles and squares.

The first panel 240 may include the first transfer unit 241 and the second panel 250 may include the second transfer unit 251 .

The first transmission unit 241 is formed to protrude from the lower surface of the first panel 240, so that the pressure applied downward to the button unit 220 by the user can be primarily transmitted to the control module 270.

As shown in (B) of FIG. 5, the second transmission unit 251 is formed intaglio from the lower surface of the second panel 250 so that the pressure applied downward to the first transmission unit 241 is controlled by the control module 270. It may be secondarily transmitted to, but otherwise, it may be embossed from the upper surface of the second panel 250.

As a result, when the user presses the button unit 220, the button unit 220 moves to the first panel 240, from the first panel 240 to the second panel 250, and from the second panel 250 to the second panel 250. As the three panels 260 are sequentially pressed, the user can feel a smooth and sequential operation feeling, and the malfunction of the button unit 220 can be prevented, thereby improving the durability of the aspirator flat module.

The first panel 240 may include a guider 242 , and the second panel 250 may include a guider accommodating portion 252 .

The guider 242 may protrude from a side surface of the first panel 240 so that the first panel 240 and the second panel 250 can be fastened in a preset coupling direction. The guider accommodating portion 252 may protrude from the side of the second panel 250 to accommodate the guider 242 .

As a result, when the first panel 240 and the second panel 250 are fastened in a direction in which the guider 242 is not inserted into the guider accommodating portion 252, the first panel 240 and the second panel 250 Malfunction and damage to the device can be prevented by preventing coupling. When the first panel 240 and the second panel 250 are fastened in the direction in which the guider 242 is inserted into the guider accommodating portion 252, the guider 242 and the guider accommodating portion 252 are not displaced from each other, so that the first The panel 240 and the second panel 250 may be fastened to each other.

The third panel 260 may further include a coupling groove 261 .

The coupling groove 261 protrudes from the side surface of the third panel 260 so that it can be coupled and fixed with the control module 270, and may include a receiving space into which a coupling member or the like can be inserted. dogs can be formed.

The suction part 300 may include an upper suction part 310 and a lower suction part 350 .

The upper suction part 310 may include a first sliding groove 311 and a second sliding groove 312 .

The first sliding groove 311 and the second sliding groove 312 may accommodate an adjusting protrusion (not shown) formed on an inner circumferential surface of the body portion 410 of the cap 400 .

As a result, the adjusting protrusion of the body portion 410 is inserted into the first sliding groove 311 and sequentially inserted into the second sliding groove 312, as shown in FIG. tilt can be adjusted. The cap 400 of the aspirator flat module according to the present invention can be separated from the suction part 300, and the cap 400 is inserted into the first sliding groove 311 or the second sliding groove according to the user's use ( 312) to remove secretions and foreign substances generated at the application site on the skin surface.

The lower suction part 350 may include a hooking part 351 , a stopper 352 , an auxiliary hooking part 353 and a guide lane 354 .

The hooking part 351 may protrude from the lower surface of the lower suction part 350 and be fixed to one side of the housing 100 .

The stopper 352 may protrude from the side of the lower suction part 350 to prevent the suction part 300 from spinning after being fastened to the housing 100 . Furthermore, one end of the stopper 352 is cut in an inclined shape to prevent damage due to abrasion.

The auxiliary hooking part 353 may be disposed opposite to the hooking part 351 .

The guide rail 354 may protrude from the outer surface of the hooking part 351 as shown in (A) of FIG. 7, and from the inner surface of the hooking part 351 as shown in (B) of FIG. Intaglios can be formed. As a result, the direction in which the suction part 300 is fastened to the housing 100 is guided so that the user can more easily attach or detach the suction part 300 from the housing 100 to manage the suction flat module.

This embodiment is merely an example of the technical idea of the present invention, and various modifications and variations of this embodiment can be made by those skilled in the art without departing from the essential characteristics of the present invention. It will be possible.

This embodiment is not intended to limit the technical spirit of the present invention, but to explain, and therefore, the scope of the present invention is not limited by this embodiment.

The protection scope of the present invention should be interpreted according to the claims, and all technical ideas recognized as equivalent or equivalent thereto should be construed as being included in the scope of the present invention.

10 - conventional aspirator module

11 - protrusion

100 - Invention

200 - housing

210 - control unit

220 - button part

221 - First eccentric part

222 - Second eccentric part

230 - panel part

240 - 1st panel

241 - First Transmission Unit

242 - Guider

250 - second panel

251 - second delivery unit

252 - guider receiving part

260 - 3rd panel

261 - Coupling groove

270 - control module

300 - suction part

310 - upper suction part

311 - 1st sliding home

312 - 2nd sliding home

350 - lower suction part

351 - hanging part

352 - Stopper

353 - auxiliary hook

354 - guide rail

360 - seating groove

370 - Oring part

371 - Body

372 - Seating protrusion

373 - friction projection

400 - Cap

410 - body part

420 - head

421 - first packing part

422 - receiving groove

423 - Receptacle

425 - second packing part

426 - Coupling protrusion

427 - elastic part

428 - Projection

430 - filter unit

Claims

A housing having a suction module inside and including a control unit capable of adjusting suction strength on its outer surface;

a suction unit connected to an upper end of the body unit and having a flat upper surface so as to be in contact with a part of the body and to suck a secretion liquid generated at an application site during a medical procedure; and

A cap detachable from the upper end of the suction unit and blocking the inflow of external substances by covering the outer surface of the suction unit to prevent the suction unit from being contaminated by external substances.

Including,

the suction part

a seating groove formed in an annular intaglio on the side surface of the suction part; and

An O-ring part seated in the seating groove, having an annular shape, and made of ABS plastic material to prevent the cap from being separated from the suction part.

A medical aspirator flat module including a double O-ring to prevent cross-biocontamination contamination due to multiple use and to continuously maintain a clean state, characterized in that it comprises a.
According to claim 1

The O-ring part

a body loaded into the seating groove; and

A plurality of seating protrusions protruding from the lower surface of the body and having a width of 3 to 10 mm to increase adsorption force

Including,

The seating groove is

The seating protrusion has a shape and number corresponding to the shape and number of the seating protrusion so that it can be inserted therein. Medical aspirator flat module with O-ring.
According to claim 1

The O-ring part

a body loaded into the seating groove;

A single seat protrusion protruding from the lower surface of the body and having a width of 10 to 20 mm to increase adsorption force; and

Friction protrusions protruding from the upper surface of the body to increase the cap and adsorption force, and disposed opposite to both ends of the seating protrusions

contains

The seating groove is

It has a shape corresponding to the shape of the seating protrusion so that the seating protrusion can be inserted therein, and includes a double O-ring to prevent cross-biological contamination due to multiple use and to continuously maintain a clean state Medical aspirator flat module.
According to claim 1

the cap is

A detachable body part coupled to a side surface of the suction part; and

A head portion extending from the upper surface of the body portion and disposed at a predetermined distance from the upper end of the suction portion when fastened to the suction portion.

A medical aspirator flat module including a double O-ring to prevent cross-biological contamination due to multiple use and to continuously maintain cleanliness.
According to claim 4,

The head part ,

a first packing portion having an annular shape extending from an upper end of the body portion;

a second packing part having an annular shape disposed at an upper end of the first packing part and being detachable from the first packing part ; and

A replaceable filter unit disposed between the first packing unit and the second packing unit to maintain hygiene and cleanliness.

A medical aspirator flat module including a double O-ring to prevent cross-biological contamination due to multiple use and to continuously maintain a clean state, characterized in that it comprises a.
According to claim 5,

The second packing part ,

An engaging protrusion protruding from the lower surface of the second packing part to improve the fastening force of the first packing part and the second packing part by primarily increasing the contact surface area between the first packing part and the second packing part.

A medical aspirator flat module including a double O-ring to prevent cross-biological contamination due to multiple use and to continuously maintain a clean state, characterized in that it comprises a.
According to claim 6,

The second packing part ,

An elastic part disposed between the second packing part and the coupling protrusion to prevent the second packing part from being damaged by an impact generated during attachment/detachment.

A medical aspirator flat module including a double O-ring to prevent cross-biological contamination due to multiple use and to continuously maintain a clean state, characterized in that it comprises a.
According to claim 7,

The elastic part is

A protrusion protruding from the lower surface of the elastic part so that the contact surface area between the first packing part and the second packing part increases secondarily, thereby improving the fastening force of the first packing part and the second packing part.

including,

The first packing part ,

Accommodating groove disposed on the upper surface to accommodate the protrusion

A medical aspirator flat module including a double O-ring to prevent cross-biological contamination due to multiple use and to continuously maintain a clean state, characterized in that it comprises a.
According to claim 8,

The protrusion ,

The contact surface area between the first packing part and the second packing part has a predetermined slope so that the fastening force of the first packing part and the second packing part can be improved by increasing the contact surface area three times,

The receiving groove ,

It has a slope corresponding to the slope of the protrusion so that the protrusion can be inserted therein. Medical use including a double O-ring to prevent cross-biological contamination due to multiple uses and to continuously maintain a clean state Aspirator flat module.