WO2023090753A1 - Module plat d'aspirateur médical comprenant un double joint torique pour empêcher une contamination biologique croisée due à des utilisations multiples et pour maintenir en permanence un état de propreté - Google Patents

Module plat d'aspirateur médical comprenant un double joint torique pour empêcher une contamination biologique croisée due à des utilisations multiples et pour maintenir en permanence un état de propreté Download PDF

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Publication number
WO2023090753A1
WO2023090753A1 PCT/KR2022/017601 KR2022017601W WO2023090753A1 WO 2023090753 A1 WO2023090753 A1 WO 2023090753A1 KR 2022017601 W KR2022017601 W KR 2022017601W WO 2023090753 A1 WO2023090753 A1 WO 2023090753A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
suction
packing
packing part
seating
Prior art date
Application number
PCT/KR2022/017601
Other languages
English (en)
Korean (ko)
Inventor
오영우
박영근
매슬로우조엘
조병문
정문섭
이효진
박지호
오예은
Original Assignee
주식회사 큐비스트
진원생명과학 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 큐비스트, 진원생명과학 주식회사 filed Critical 주식회사 큐비스트
Publication of WO2023090753A1 publication Critical patent/WO2023090753A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/78—Means for preventing overflow or contamination of the pumping systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/74—Suction control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84—Drainage tubes; Aspiration tips
    • A61M1/87—Details of the aspiration tip, not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/11—General characteristics of the apparatus with means for preventing cross-contamination when used for multiple patients

Definitions

  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the packing part may include a receiving groove disposed on an upper surface thereof to accommodate the protruding part.
  • 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.
  • 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.
  • 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.
  • 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 .
  • 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.
  • 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
  • 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.
  • 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
  • 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.
  • 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.
  • FIG. 1 is a detailed view of a flat module according to one embodiment of the present invention.
  • FIG. 2 is a detailed view of an O-ring unit according to an embodiment of the present invention.
  • FIG 3 is a detailed view of a cap according to one embodiment of the present invention.
  • FIG. 4 is a perspective view of an adjusting unit according to an embodiment of the present invention.
  • FIG. 5 is a detailed view of a button unit according to an embodiment of the present invention.
  • FIG. 6 is an exploded view of a panel unit according to an embodiment of the present invention.
  • FIG 7 and 8 are detailed views of the suction unit according to an embodiment of the present invention.
  • FIG. 1 is a detailed view of a flat module according to one embodiment of the present invention.
  • FIG. 2 is a detailed view of an O-ring unit 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.
  • 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 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.
  • 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.
  • 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.
  • FIG 3 is a detailed view of a cap according to one embodiment of the present invention.
  • 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 .
  • 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.
  • 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.
  • 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.
  • FIG. 4 is a perspective view of an adjusting unit according to an embodiment of the present invention.
  • the button part 220 may include a first eccentric part 221 and a second eccentric part 222 .
  • 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.
  • 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.
  • 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.
  • FIG. It may have a shape narrowing to .
  • FIG. 5 is a detailed view of a button unit according to an embodiment of the present invention.
  • FIG. 6 is an exploded view of a panel unit according to an embodiment of the present invention.
  • 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 .
  • 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.
  • 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.
  • 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.
  • 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
  • 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 .
  • 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.
  • 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 .
  • 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.
  • FIG 7 and 8 are detailed views of the suction unit according to an embodiment of the present invention.
  • 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.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • External Artificial Organs (AREA)

Abstract

La présente invention concerne un module plat d'aspirateur médical comprenant un double joint torique pour empêcher une contamination biologique croisée due à des utilisations multiples et pour maintenir en permanence un état de propreté et, plus particulièrement, un module plat d'aspirateur médical comprenant un double joint torique pour empêcher une contamination biologique croisée due à des utilisations multiples et pour maintenir en permanence un état de propreté, une partie d'aspiration du module plat d'aspirateur médical comportant une rainure d'assise gravée sous une forme annulaire le long de la surface latérale de la partie d'aspiration, et une partie joint torique placée de façon stable dans la rainure d'assise présentant une forme annulaire et étant constituée d'un matériau plastique ABS pour empêcher la séparation d'un capuchon de la partie d'aspiration. La partie joint torique comprend : un corps chargé dans la rainure d'assise ; et une pluralité de saillies d'assise faisant saillie de la surface inférieure du corps et présentant une largeur de 3 à 10 mm pour augmenter la force d'adsorption, les saillies d'assise ayant une forme et un nombre correspondant à la forme et au nombre des rainures d'assise de sorte à être insérées dans les rainures d'assise.
PCT/KR2022/017601 2021-11-16 2022-11-10 Module plat d'aspirateur médical comprenant un double joint torique pour empêcher une contamination biologique croisée due à des utilisations multiples et pour maintenir en permanence un état de propreté WO2023090753A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210157389A KR20230071323A (ko) 2021-11-16 2021-11-16 다회 사용으로 인한 교차 생물 오염을 방지하고, 청결 상태를 지속적으로 유지할 수 있도록 이중 오링을 포함하는 의료용 흡인기 플랫 모듈
KR10-2021-0157389 2021-11-16

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WO2023090753A1 true WO2023090753A1 (fr) 2023-05-25

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PCT/KR2022/017601 WO2023090753A1 (fr) 2021-11-16 2022-11-10 Module plat d'aspirateur médical comprenant un double joint torique pour empêcher une contamination biologique croisée due à des utilisations multiples et pour maintenir en permanence un état de propreté

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KR (1) KR20230071323A (fr)
WO (1) WO2023090753A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040003103A (ko) * 2002-06-25 2004-01-13 주식회사 유진테크 마사지 및 피지제거 겸용 피부미용 관리기
KR20090011745A (ko) * 2007-07-27 2009-02-02 주식회사 웰뷰텍 콧물 흡인 장치
KR20130011595A (ko) * 2011-07-22 2013-01-30 현대중공업 주식회사 이탈방지용 오링 결합구조
KR20160003456A (ko) * 2014-07-01 2016-01-11 주식회사 정훈기공 휴대용 피지제거기
KR102214386B1 (ko) * 2020-07-10 2021-02-09 조철범 휴대단말기 연동형 피지제거기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040003103A (ko) * 2002-06-25 2004-01-13 주식회사 유진테크 마사지 및 피지제거 겸용 피부미용 관리기
KR20090011745A (ko) * 2007-07-27 2009-02-02 주식회사 웰뷰텍 콧물 흡인 장치
KR20130011595A (ko) * 2011-07-22 2013-01-30 현대중공업 주식회사 이탈방지용 오링 결합구조
KR20160003456A (ko) * 2014-07-01 2016-01-11 주식회사 정훈기공 휴대용 피지제거기
KR102214386B1 (ko) * 2020-07-10 2021-02-09 조철범 휴대단말기 연동형 피지제거기

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