WO2018236160A1 - Ensemble filtre de fluide intraveineux - Google Patents

Ensemble filtre de fluide intraveineux Download PDF

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Publication number
WO2018236160A1
WO2018236160A1 PCT/KR2018/007020 KR2018007020W WO2018236160A1 WO 2018236160 A1 WO2018236160 A1 WO 2018236160A1 KR 2018007020 W KR2018007020 W KR 2018007020W WO 2018236160 A1 WO2018236160 A1 WO 2018236160A1
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WO
WIPO (PCT)
Prior art keywords
liquid
lid
filter
air
filter assembly
Prior art date
Application number
PCT/KR2018/007020
Other languages
English (en)
Korean (ko)
Inventor
이상빈
이지은
이건형
Original Assignee
이상빈
이지은
이건형
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 이상빈, 이지은, 이건형 filed Critical 이상빈
Publication of WO2018236160A1 publication Critical patent/WO2018236160A1/fr

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    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
    • A61M5/38—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
    • A61M2005/1657—Filter with membrane, e.g. membrane, flat sheet type infusion filter
    • 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
    • A61M2205/75—General characteristics of the apparatus with filters
    • A61M2205/7527—General characteristics of the apparatus with filters liquophilic, hydrophilic

Definitions

  • the present invention relates to a liquid filter assembly, and more particularly, to a liquid filter assembly in which a user filters foreign substances including air in a liquid (medicine or liquid) and prevents air from flowing into a filter and a liquid by siphoning during liquid injection.
  • a user filters foreign substances including air in a liquid (medicine or liquid) and prevents air from flowing into a filter and a liquid by siphoning during liquid injection.
  • a conventional liquid filter is composed of a simple accommodating portion and a membrane filter.
  • Such a common liquid filter has a structure in which the liquid inflowed through the upper inlet of the liquid filter is filtered out and then directly flows out to the lower outlet, and when the priming is performed, When the whole is not soaked with the liquid (about), only the lower part of the filter is sucked (wet) and the liquid (weak) is filtered by gravity by a part of the lower part of the filter, The filtering effect can not be exhibited due to the inability to exhibit the filtering effect through the entire area of the membrane filter in the filter housing. When the foreign matter or air bubbles accumulate in the filter, There is a disadvantage that it falls.
  • the conventional liquid filter separately provided from the syringe is not provided at the upper part of the liquid filter, such as the air outlet or the air groove, but is placed on the front or rear surface, etc., and the user's posture, the height of the liquid, There was a case where the air was adversely introduced by the phenomenon of the siphoning.
  • the filtering of the entire area of the filter is required.
  • the present invention is not limited to the filtering of the whole area of the membrane filter, It is possible to increase the effect and to prevent the inflow of air into the filter and the liquid by the siphoning phenomenon at the time of injecting the liquid and to improve the structure so that the infusion fluid can be supplied in a state in which the inflow of the foreign substance is prevented, An advanced filter assembly will be required.
  • the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to maximize the safety of the patient, convenience of the user, and economical efficiency while increasing the area of filtering compared with the prior art,
  • the filter can be prevented from influx of air and the filter assembly must be wetted by inverting the filter assembly when the initial liquid is introduced.
  • By reducing the influence of gravity it is possible to prevent the medicine or liquid, which has flowed through the inlet, And the air having a specific gravity smaller than that of the introduced medicine or liquid easily flows out to the air outlet of the upper layer to provide a sap filter assembly which can be used also in a helicopter or the like.
  • a filter syringe having a front surface and a rear surface open at the center of a fluid filter assembly, a body provided with upper and lower fluid inflow / A first lid provided at a front portion of the body portion to prevent liquid flowing into the body portion from flowing out to an opened front portion of the body portion; a first lid provided at a rear portion of the body portion, A plurality of liquid filter members for filtering the liquid flowing out from the body portion and a plurality of liquid filter members for performing filtration on the liquid stored in the body portion, It is possible to provide a sap filter assembly including an air filter member.
  • the body portion may include an inlet provided at an upper portion of the body portion and connected to the fluid line to allow the inflow of the inflow fluid into the fluid filter assembly and a lower portion provided at the lower portion of the body portion, It is preferable to include an outlet through which the air flows out.
  • the body may include at least one air groove formed in the upper portion of the body so that the air filter member can be inserted and installed.
  • the body portion may include at least two or more multi-stage structures including protrusions inside the body portion so that the protrusions of the plurality of fluid filter members and the first and second covers may be inserted and fixed to the front and rear portions of the body portion, respectively.
  • the body portion may include at least one fused acid provided so that a plurality of liquid filter members and first and second lid protrusions are fixedly coupled to the front and rear portions of the body portion, respectively.
  • the first lid and the second lid may include a receiving portion that is a space for receiving the filtered liquid filtered from the inside of the body through the plurality of filter members.
  • the first lid and the second lid may further include a plurality of guides for guiding the flow of the liquid in a predetermined direction in the receiving portion provided at one side of the first lid and the second lid, An inflow groove formed in an upper portion of the accommodating portion provided in the accommodating portion and adapted to inflow the infusion liquid stored in the accommodating portion and a lower portion of the accommodating portion provided at one side of the first lid and the second lid, It would be preferable to be provided with a groove.
  • the liquid filter member includes a first liquid filter member for filtering the liquid introduced into the body portion toward the front surface of the body portion and a second liquid filter member for filtering the liquid flowing into the body portion toward the rear surface portion of the body portion,
  • the first and second fluid filter members may be made of a filter member, and the filter member may be composed of a hydrophilic filter for filtering foreign substances and air present in the fluid.
  • the air filter member is composed of a first air filter member and a second air filter member which are spaced apart from each other by a predetermined distance in the direction of the width of the inlet port provided at the upper center of the body portion,
  • the filter member can be composed of a hydrophobic filter that filters foreign matter and liquid existing in the liquid and filters the gas.
  • the fused acid is bonded using ultrasonic waves in bonding between members to be bonded.
  • the present invention provides a liquid filter assembly including a plurality of membrane filters for filtering a foreign substance in the liquid (injection liquid) to supply an injection liquid from which foreign substances including air are removed, thereby maximizing the convenience and economy of the user
  • a liquid filter assembly including a plurality of membrane filters for filtering a foreign substance in the liquid (injection liquid) to supply an injection liquid from which foreign substances including air are removed, thereby maximizing the convenience and economy of the user
  • the air introduced into the filter housing can easily flow out to the upper portion of the filter housing.
  • FIG. 1 is an exploded perspective view showing each constitution of a liquid filter assembly according to an embodiment of the present invention.
  • FIG. 2 is a front view (a), a side view (b), and a rear view (c) showing a sap filter assembly according to an embodiment of the present invention.
  • FIG. 3 is a front view (a), a cross-sectional view (b), and a top view (d) showing a liquid filter assembly according to an embodiment of the present invention.
  • FIG 4 is a front view of the body part (a) and the first and second covers (b) showing a liquid filter assembly according to an embodiment of the present invention.
  • FIG. 5 is a flowchart illustrating a filtering process of a sap filter assembly according to an embodiment of the present invention.
  • FIG. 6 is a front view (a) and a top view (b) showing an air vent of a sap filter assembly according to an embodiment of the present invention.
  • first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements.
  • FIG. 1 is an exploded perspective view showing each constitution of a liquid filter assembly according to an embodiment of the present invention.
  • FIG. 2 is a front view (a), a side view (b), and a rear view (c) showing a sap filter assembly according to an embodiment of the present invention.
  • a liquid filter assembly that is a subject of the present invention is a filter structure provided on a liquid line connecting a body fluid of a liquid or liquid bottle to a body of a patient and includes a filter body And air and the like are removed and injected into the patient's body.
  • the filtration process is performed while passing through a plurality of filters.
  • the air filter and the air filter provided on the upper part of the filter filter assembly, It is possible to filter and supply to the patient.
  • the body 10 has a front portion 11 and a rear portion 12 which are open at the center of the liquid filter assembly, and are configured to allow fluid to flow in and out from the upper and lower portions,
  • a first lid 20 provided on the front part 11 of the body 10 for preventing the liquid flowing into the body 10 from flowing out to the opened front part 11 of the body part 10
  • a second lid (not shown) provided on the rear part 12 of the body part 10 to prevent the liquid flowing into the body part 10 from flowing out to the open rear part 12 of the body part 10
  • the liquid / drug solution injected into or drawn into the upper portion of the body portion is naturally drawn into the hollow portion provided in the body portion, and the hollow portion can be provided with the front portion and the rear portion opened.
  • the open state of the front and rear portions can be closed by the configuration of the first and second covers located respectively.
  • the liquid introduced into the body portion is temporarily stored in the hollow portion, and proceeds in the direction of the first and second covers through the opened front and rear portions, respectively.
  • the liquid / drug solution proceeding in the direction of the first and second lids passes through the plurality of liquid filter members provided on both sides of the hollow portion of the body portion to filter the foreign substances and the gas contained in the liquid.
  • the body 10 is provided at an upper portion of the body 10 and includes an inlet 13 through which the liquid flows into the interior of the filter assembly 100, And an outlet 14 which is provided at a lower portion of the liquid filter assembly 100 and which is coupled with the liquid line to allow the liquid to flow out to the outside of the liquid filter assembly 100.
  • inlets and outlets may be provided in combination with a fluid pack / bottle and a fluid line connecting the patient's body, respectively.
  • the body 10 may be provided with at least one air groove 15 on the upper portion of the body 10 so that the air filter member 50 can be inserted and installed therein.
  • the gas contained in the liquid stored in the body hollow portion as described above can be filtered through the air filter member and discharged to the outside of the liquid filter assembly through the structure of the air groove.
  • the body 10 may include a plurality of fluid filter members 40 and first and second covers 20 and 30 protruding from the front and rear portions 11 and 12 of the body 10, respectively.
  • Stage structure 16 including at least two protruding jaws therein so that the structure can be inserted and fixed.
  • the body portion having such a multi-stage structure can be more stably combined with the liquid filter member and the first and second covers, and it is possible to increase convenience in the manufacturing process by dividing the compartments corresponding to the respective sizes.
  • FIG. 3 is a front view (a), a cross-sectional view (b), and a top view (d) showing a liquid filter assembly according to an embodiment of the present invention.
  • FIG. 3 an internal cross-sectional view of the liquid filter assembly of the present invention can be seen, which makes it possible to more accurately grasp the flow of liquid flowing inside the liquid filter assembly of the present invention.
  • the body 10 includes a plurality of liquid filter members 40 and first and second lids 20 and 30 on the front portion 11 and the rear portion 12 of the body 10, respectively. It is possible to include at least one fused acid 17 provided so that the protruding structure can be coupled and fixed.
  • the fused acid may be arranged in a triangular shape having a very small size, and it is preferable that elongated triangular prisms of the same size are arranged in a relative structure to be combined with the fused acid.
  • the liquid filter member 40 includes a first liquid filtration member 41 for filtering the liquid introduced into the body 10 toward the front of the body 10, And a second liquid filter member 42 for filtering the liquid introduced into the inside of the body portion 10 toward the rear portion of the body portion 10.
  • the first and second fluid filter members 41 and 42 may be formed of a hydrophilic filter for filtering foreign substances and air present in the fluid.
  • the liquid introduced into the body has a flow structure that can be forced to proceed in both the front and rear directions.
  • a liquid filter member is provided, It is possible to carry out the full filtering of the liquid.
  • liquid filter member is composed of a hydrophilic filter, and has a property of passing only the liquid stream and not passing other foreign matter and gas.
  • the air filter member 50 includes a first air filter member 51 and a second air filter member 51.
  • the first air filter member 51 and the second air filter member 51 are spaced apart from each other by a predetermined distance in the direction of the width of the inlet 13, It is possible to arrange it as a member 52.
  • the air present in the interior of the liquid filter assembly (hollow portion) is discharged to the outside of the liquid filter assembly before the air or the liquid contained in the liquid stored in the hollow portion is drawn in It is possible to perform the role of
  • the first air filter member 51 and the second air filter member 52 are composed of a hydrophobic filter that filters foreign substances and liquid present in the liquid solution and filters the gas so that liquid and other foreign matter can not pass therethrough, Only the gas can pass through it and be discharged to the outside.
  • the fused acid 17 is bonded using ultrasonic waves in bonding between members to be bonded.
  • ultrasonic welding is a technique that is usefully used for plastic-plastic bonding, metal-metal bonding, or plastic-metal bonding. By instantaneously applying strong ultrasonic energy to the material, It corresponds to welding technology.
  • FIG 4 is a front view of the body part (a) and the first and second covers (b) showing a liquid filter assembly according to an embodiment of the present invention.
  • FIG. 5 is a flowchart illustrating a filtering process of a sap filter assembly according to an embodiment of the present invention.
  • the first lid 20 and the second lid 30 are provided with a receiving portion 21 (see FIG. 1) which is a space for receiving the filtered liquid filtered from the inside of the body portion 10 through a plurality of the liquid filter members 40 , 31).
  • the liquid passing through the liquid filter member through the front portion and the rear portion of the body portion constituting the liquid filter assembly is stored in the receiving portion provided on one side of the first and second covers, It is possible.
  • the first lid 20 and the second lid 30 are configured to allow fluid to flow in a predetermined direction to the receiving portions 21 and 31 provided at one side of the first lid 20 and the second lid 30 And a plurality of guides (22, 32) for guiding the guidewire.
  • the first and second lids 30 and 30 are accommodated in the first and second lids 30 and 31.
  • the liquid stored in the first and second lids 30 and 31 is stored in the receiving portions 21 and 31 provided at one side of the first lid 20 and the second lid 30, It is possible to move together along the plurality of guides 22, 32 that guide the flow of the fluid in a predetermined direction.
  • the first lid 20 and the second lid 30 are formed on upper portions of the receiving portions 21 and 31 provided on one side of the first lid 20 and the second lid 30,
  • the first lid 20 and the second lid 30 can include the inflow grooves 23 and 33 into which the liquid stored in the accommodating portions 21 and 31 flows. Liquid and the like which are moved together in a predetermined direction along the plurality of guides 22 and 32 for guiding the flow of the liquid in a predetermined direction to the first lid 20 and the second lid 20 along the inflow grooves 23 and 33 (Downward movement) along the movement path provided inside the first cover 30 and the second cover 30.
  • first lid 20 and the second lid 30 are formed below the receiving portions 21 and 31 provided on one side of the first lid 20 and the second lid 30,
  • the first lid 20 and the second lid 30 may be provided with outlet channels 24 and 34 through which the liquid stored in the first and second lids 21 and 31 may flow out.
  • the liquid and the like which are moved together in a predetermined direction along the plurality of guides 22 and 32 for inducing the flow of the liquid in a predetermined direction on the first cover 20 along the inflow grooves 23 and 33, And the liquid flowing along the movement path provided inside the second lid 30 are flown out to the outflow grooves 24 and 34 which ultimately outflow the liquid stored in the accommodating portions 21 and 31 so that the outflow of the body portion It is preferable that the liquid is leaked to the liquid line through the liquid.
  • FIG. 6 is a front view (a) and a top view (b) showing an air vent of a sap filter assembly according to an embodiment of the present invention.
  • an air vent 53 is provided to cover the air groove 15 provided according to an embodiment of the present invention to block inflow and outflow of air.
  • the air vent 53 is installed in an IV set of a microfilter housing, which is mounted in a medicine set of an existing product and removes foreign matter and air, In this case, the upper part of the filter is blocked or the liquid in the lower part of the filter is quickly discharged (flows) by the siphoning phenomenon, so that the air outflow (air flow)
  • the air vent 53 covers the air outflow groove (air groove) to prevent the inflow of air.
  • the air vent 53 selectively opens and closes the air groove 15 and preferably shields the air groove when external air is likely to enter the liquid filter assembly, It is possible to prevent the inflow of air into the filter and the liquid by the siphoning phenomenon at the time of the siphoning, thereby supplying the injected liquid with the inflow of the foreign substances in a state of preventing the inflow of air.

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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)
  • Emergency Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention concerne un ensemble filtre de fluide intraveineux (médicament ou fluide). Plus particulièrement, la présente invention concerne un dispositif de fourniture d'un ensemble filtre de fluide intraveineux dans lequel, lorsqu'un utilisateur filtre des substances étrangères comprenant de l'air provenant d'un fluide intraveineux (fluide d'injection)) et injecte ensuite le fluide intraveineux, le dispositif empêche l'air de s'écouler dans le filtre et dans le fluide intraveineux en raison d'un phénomène de siphonnement, fournissant ainsi le fluide d'injection, à partir duquel des substances étrangères ont été éliminées, tout en empêchant l'entrée d'air. L'ensemble filtre de fluide intraveineux peut optimiser la stabilité du patient, la commodité pour l'utilisateur et les avantages économiques. Par comparaison avec l'état de la technique, l'ensemble filtre de fluide intraveineux présente une zone de filtration accrue, peut empêcher l'entrée d'air, et peut résoudre le problème de devoir soulever l'ensemble filtre à l'envers de façon à mouiller artificiellement le filtre pendant l'entrée initiale de fluide intraveineux. L'ensemble filtre de fluide intraveineux peut empêcher l'air de s'écouler dans le filtre et dans le fluide intraveineux et peut facilement évacuer l'air, qui s'est écoulé dans le boîtier de filtre, vers la partie supérieure du boîtier de filtre de sorte qu'en réduisant l'influence de la gravité, celui-ci peut également être utilisé à l'intérieur d'un hélicoptère ou similaire.
PCT/KR2018/007020 2017-06-21 2018-06-21 Ensemble filtre de fluide intraveineux WO2018236160A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170078334A KR20180138303A (ko) 2017-06-21 2017-06-21 수액 필터 어셈블리.
KR10-2017-0078334 2017-06-21

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WO2018236160A1 true WO2018236160A1 (fr) 2018-12-27

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WO (1) WO2018236160A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102171709B1 (ko) * 2020-04-17 2020-10-29 (주)메디라인액티브코리아 수액 듀얼 필터 어셈블리
KR102431020B1 (ko) 2020-06-22 2022-08-09 박범수 개선된 필터링 구조를 갖는 수액 필터
KR102435762B1 (ko) 2021-12-27 2022-08-23 신현순 연골분리용 필터 어셈블리

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009148335A (ja) * 2007-12-19 2009-07-09 Ajinomoto Co Inc 輸液容器
KR101050489B1 (ko) * 2011-01-11 2011-07-22 박시명 의료용 에어 제거 장치
JP2012192178A (ja) * 2011-03-14 2012-10-11 Pall Corp 点滴フィルタ
JP2013056157A (ja) * 2011-09-08 2013-03-28 Gvs Spa 充填を最適化する医療用点滴フィルタ
KR20170055102A (ko) * 2015-11-11 2017-05-19 김영환 링거주사세트 장착용 공기제거 필터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009148335A (ja) * 2007-12-19 2009-07-09 Ajinomoto Co Inc 輸液容器
KR101050489B1 (ko) * 2011-01-11 2011-07-22 박시명 의료용 에어 제거 장치
JP2012192178A (ja) * 2011-03-14 2012-10-11 Pall Corp 点滴フィルタ
JP2013056157A (ja) * 2011-09-08 2013-03-28 Gvs Spa 充填を最適化する医療用点滴フィルタ
KR20170055102A (ko) * 2015-11-11 2017-05-19 김영환 링거주사세트 장착용 공기제거 필터

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