WO2012096467A2 - Appareil médical d'élimination d'air - Google Patents

Appareil médical d'élimination d'air Download PDF

Info

Publication number
WO2012096467A2
WO2012096467A2 PCT/KR2012/000043 KR2012000043W WO2012096467A2 WO 2012096467 A2 WO2012096467 A2 WO 2012096467A2 KR 2012000043 W KR2012000043 W KR 2012000043W WO 2012096467 A2 WO2012096467 A2 WO 2012096467A2
Authority
WO
WIPO (PCT)
Prior art keywords
air
cover
fluid
coupled
tube
Prior art date
Application number
PCT/KR2012/000043
Other languages
English (en)
Korean (ko)
Other versions
WO2012096467A3 (fr
Inventor
박시명
Original Assignee
Park Si Myeong
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 Park Si Myeong filed Critical Park Si Myeong
Publication of WO2012096467A2 publication Critical patent/WO2012096467A2/fr
Publication of WO2012096467A3 publication Critical patent/WO2012096467A3/fr

Links

Images

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
    • 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
    • A61M5/36—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
    • A61M5/385—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 using 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
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/24—Check- or non-return valves
    • A61M2039/2406—Check- or non-return valves designed to quickly shut upon the presence of back-pressure
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/24—Check- or non-return valves

Definitions

  • the present invention relates to a medical air removing device.
  • a device for removing the air contained in the fluid or blood is required.
  • Air contained in a fluid such as fluid or blood not only prevents the fluid from flowing smoothly, but in some cases, blood vessels or blood vessels are blocked by the air, and necrosis of cells may occur, causing side effects such as embolism.
  • An embodiment of the present invention provides a medical air removing device.
  • Embodiments of the present invention provides a medical air removal apparatus that can effectively remove and release the air contained in the fluid or blood.
  • An air removal apparatus includes a cover including a first cover and a second cover opposite the first cover; A first connection part formed at one side of the cover and into which fluid is introduced; A second connection part formed at the other side of the cover to allow the fluid to flow out; At least one pore formed in the second cover; An air filter coupled to the inside of the second cover; And an air ejector coupled to the cover to allow air contained in the fluid to be discharged through the air filter and the pores.
  • An air removal apparatus includes a cover including a first cover and a second cover opposite the first cover; A first connection part formed at one side of the cover and into which fluid is introduced; A second connection part formed at the other side of the cover to allow the fluid to flow out; At least one pore formed in the second cover; An air filter coupled to the inside of the second cover; And a vacuum pump coupled to the outside of the second cover to allow air contained in the fluid to be discharged through the air filter and the pores.
  • Embodiments of the present invention can provide a medical air removal apparatus.
  • Embodiments of the present invention can provide a medical air removal apparatus that can effectively remove and release the air contained in the fluid or blood.
  • FIG. 1 is a perspective view of a medical air removal apparatus according to the present invention.
  • Figure 2 is a rear view of the second cover of the medical air removal apparatus according to the present invention.
  • FIG 3 is a cross-sectional view of a medical air removing device according to the present invention.
  • FIG. 4 and 5 illustrate a check valve used in a medical air removing device according to the present invention.
  • FIG. 6 is a view for explaining another embodiment of the medical air removing device according to the present invention.
  • FIG. 7 is a view for explaining another embodiment of the medical air removing device according to the present invention.
  • FIG. 8 is a view for explaining another embodiment of the medical air removing device according to the present invention.
  • each layer (film), region, pattern or structure may be “on” or “under” the substrate, each layer (film), region, pad or pattern.
  • "On” and “under” include both “directly” or “indirectly” formed through another layer, as described in do.
  • the criteria for the above / above or below of each layer will be described with reference to the drawings.
  • each layer is exaggerated, omitted, or schematically illustrated for convenience and clarity of description.
  • the size of each component does not necessarily reflect the actual size.
  • FIG. 1 is a perspective view of a medical air removing device according to an embodiment of the present invention
  • Figure 2 is a rear view of a second cover of the medical air removing device according to an embodiment of the present invention
  • Figure 3 is an embodiment of the present invention
  • 4 and 5 are views for explaining the check valve used in the medical air removal apparatus according to an embodiment of the present invention.
  • an embodiment of the air removal apparatus 100 provides an air filter function for removing air contained in a fluid such as blood or sap.
  • Medical air removal apparatus is combined with the first cover 20 and the second cover 40, to form a cover to form a space in which the fluid is moved.
  • the air removing apparatus 100 includes a first connecting portion 21 and a second connecting portion 22 coupled to the first cover 20.
  • external fluid may be introduced into the cover through the first connecting portion 21, and fluid inside the cover may flow out of the cover through the second connecting portion 22.
  • first cover 20 and the second cover 40 are combined to form one cover, but the first cover 20 and the second cover 40 may be integrally formed. It is possible.
  • first and second connecting parts 21 and 22 are coupled to the first cover 20, but the first and second connecting parts 21 and 22 are the second cover 40. It is also possible to combine with).
  • the first cover 20 may have a fluid guide protrusion 20a formed on a surface of the first cover 20 that faces the second cover 40.
  • the fluid guide protrusion 20a allows the fluid introduced from the first connection portion 21 to smoothly flow out to the second connection portion 22.
  • the fluid guide protrusion 20a may improve the mobility of the fluid more effectively when the gap between the first cover 20 and the second cover 40 is small.
  • the fluid guide protrusion 20a is formed in a plurality of straight lines, but the shape of the fluid guide protrusion 20a may be variously modified.
  • At least one pore 41 is formed in the second cover 40, and an air filter 24 is formed below the pore 41.
  • nine pores 41 are formed, but the number and positions of the pores 41 may be variously designed.
  • the air filter 24 is disposed on a surface of the second cover 40 that faces the first cover 20 so as to be horizontal to the flow of the fluid. If the air filter 24 is disposed at right angles to the flow of the fluid, fluid such as blood does not pass through the air filter 24, so that the fluid is difficult to move. Thus, the air filter 24 is disposed in a direction other than the right angle to the flow of the fluid to allow the fluid to move smoothly.
  • the air filter 24 may be a membrane having fine pores as a hydrophobic member having a low affinity with a fluid.
  • the micro-pores may not move the fluid, but the air contained in the fluid may have a size that can move.
  • the air filter 24 may be a hydrophobic membrane (Hydrophobic membrane), specifically Pall Emflon PTFE products may be applied.
  • the micro voids are large enough to prevent fluid from escaping.
  • the air filter 24 may be attached to the second cover 40 using a laser, a low frequency, a high frequency, an ultrasonic wave, or an adhesive.
  • the air contained in the fluid through the pores 41 may be Pass through the air filter 24 may be discharged to the outside. Only when the pressure of the fluid is higher than the pressure of the external atmosphere, air contained in the fluid may be discharged to the outside through the air filter 24.
  • the second cover 40 has a plurality of air guide protrusions 42 are formed on the surface opposite to the first cover 20.
  • the air guide protrusion 42 allows the air filter 24 and the second cover 40 to be partially separated from each other, so that air passing through the air filter 24 is separated between the air guide protrusions 42. It is possible to move in the direction in which the pores 41 are arranged through the space.
  • the air induction protrusions 42 are plurally arranged in a lattice form, but the shape or number of the air induction protrusions 42 may be variously modified.
  • the air filter 24 may be formed in an area similar to that of the second cover 40, and may allow air to pass through most areas of the air filter 24.
  • a check valve 302 may be further formed on the outer side of the second cover 40 in which the pores 41 are formed.
  • the check valve 302 prevents air discharged to the outside through the pores 41 from flowing into the fluid through the pores 41 again.
  • the check valve 302 is not necessarily formed, and may be additionally provided to further improve the air removing function.
  • a coupling unit 301 may be further formed outside the check valve 302.
  • the coupling unit 301 may serve to protect the check valve 302.
  • the coupling unit 301 may be coupled to the check valve 302 to serve to support the check valve 302.
  • the coupling unit 301 may serve to be coupled with the air ejector 200 as shown in FIG.
  • the check valve 302 may be formed of a synthetic resin material having elasticity, and a fine opening 302a is formed.
  • the check valve 302 may be formed of a silicon material.
  • the check valve 302 opens the opening 302a when air introduced from the pores 41 exits the outside of the check valve 302 so that air can be smoothly discharged.
  • the opening 302a is closed so that the outside air is checked. Do not flow into the valve 302. That is, the check valve 302 opens the opening 302a by the pressure of air when air flows from the inside to the outside, but conversely, the opening 302a is opened by the pressure of air when the air flows from the outside to the inside. Closer to the air block the movement.
  • the check valve 302 functions to allow air to be discharged only to the outside of the check valve 302.
  • the check valve 302 may be modified in various forms.
  • check valve 302 is used in the embodiment is illustrated, the check valve 302 is to effectively discharge the air, it is not necessarily applied, and may be omitted.
  • the air removal device can effectively remove the air contained in the fluid.
  • FIG. 6 is a view for explaining another embodiment of the medical air removing device according to an embodiment of the present invention.
  • the air removing device 100 described with reference to FIGS. 1 to 3 may be combined with the air ejector 200.
  • the air ejector 200 allows air to be discharged more effectively from the air removal device 100.
  • the air ejector 200 forcibly lowers the pressure outside the cover so that air contained in the fluid can more easily pass through the air filter 24. That is, the air ejector 200 forcibly sucks air contained in the fluid to the outside of the cover.
  • Coupling unit 301 formed in the air removal device 100 may be coupled to the air ejector 200.
  • the air ejector 200 includes an approximately spherical air bag 203 having elasticity, a tube 201 connected to the air bag 203, and a fastening part 202 formed at an end of the tube 201. It may include.
  • the air bag 203 may be formed of a silicon material.
  • the air bag 203 may be formed of a silicone gel having superior elasticity.
  • the air ejector 200 may further include an air outlet 204.
  • the air outlet 204 may include an air discharge tube 204a and a tube stopper 204b coupled to the air discharge tube 204a.
  • the fastening part 202 of the air ejector 200 is combined with the coupling unit 301.
  • a screw bone may be formed inside the fastening part 202, and a screw thread 301a may be formed outside the coupling unit 301.
  • the air inside the air bag 203 is compressed while the air bag 203 is compressed. It flows out through the air outlet 204. Then, when the tube stopper 204b is coupled to the air discharge tube 204a while the air bag 203 is pressurized, the air bag 203 has a force to restore its original shape by elasticity. do. At this time, since the outside air cannot be introduced through the air outlet 204, the pressure inside the air bag 203 is lower than the pressure outside the air bag 203, and thus, the pore 41 The release of air through it is more active.
  • the air outlet 204 is not necessarily formed.
  • pressure is applied to the air bag 203 to allow the air inside the air bag 203 to flow out, and in this state.
  • the same effect can be obtained without forming the air outlet 204.
  • the air outlet 204 when the air outlet 204 is formed, open the air outlet 204 while the fastening portion 202 is coupled to the coupling unit 301 to bring the air inside the air bag 203 to the outside. Since it can be discharged, it is possible to discharge the air inside the air bag 203 a plurality of times, through which there is an advantage that the discharge of the air can proceed more effectively.
  • vacuum pump vacuum pump
  • FIG. 7 is a view for explaining another embodiment of the air removal device according to the present invention.
  • the pores 41 may be formed in the second cover 40, and a check valve 302 may be formed outside the pores 41.
  • the check valve 302 may be coupled to and supported by the second cover 40. Since the check valve 302 has been described with reference to FIGS. 4 and 5, repeated descriptions thereof will be omitted.
  • check valve 302 is used in the embodiment is illustrated, the check valve 302 is to effectively discharge the air, it is not necessarily applied, and may be omitted.
  • Another type of air ejector 400 is coupled to the second cover 40.
  • the air ejector 400 may be arranged to surround the pores 41, the specific coupling position is various It can be modified.
  • the air ejector 400 may be formed integrally with the second cover 40.
  • the air ejector 400 may include an air bag 403 having an elastic shape and having a substantially hemispherical shape, and an air outlet 404 connected to the air bag 403.
  • the air outlet 404 may include an air discharge tube 404a and a tube stopper 404b coupled with the air discharge tube 404a.
  • the air bag 403 When pressure is applied to the air bag 403 in a state where the air discharge tube 404a is opened, the air bag 403 is compressed and air existing in the air bag 403 becomes the air outlet 404. Through the outflow. Then, when the tube stopper 404b is coupled to the air discharge tube 404a while the air bag 403 is pressurized, the air bag 403 acts to restore its original shape by elasticity. do. At this time, since the outside air cannot be introduced through the air outlet 404, the pressure inside the air bag 403 is lower than the pressure outside the air bag 403, thereby, the pores 41 Air is released through the air is more active.
  • FIG. 8 is a view for explaining another embodiment of the air removal apparatus according to the present invention.
  • the air removing device illustrated in FIG. 8 descriptions overlapping with those described in FIG. 7 will be omitted.
  • another type of air ejector 400 is coupled to an outer side of the cover including the first cover 20 and the second cover 40.
  • the air ejector 400 may include an air bag 403 having a circular or elliptical shape, and an air outlet 404 connected to the air bag 403.
  • the first connecting portion 21 and the second connecting portion 22 are connected to the outside through one side and the other side of the air bag 403, the first cover 20 and the second cover 40 is the air It is disposed inside the pocket 403.
  • the embodiment shown in FIG. 8 includes the first cover 20 except for the first connection part 21 and the second connection part 22 through which the fluid is introduced and discharged.
  • a second cover 40 and a check valve 302 are included in the air bag 403.
  • the air bag 403 shown in FIG. 8 has more air than the air bag 403 shown in FIG. 7, and applies pressure to the air bag 403 through the air outlet 404.
  • the air outlet tube 404a is blocked by the tube stopper 404b of the air outlet 404 after the air is discharged, the air bag 403 has a greater force in the process of returning to its original form by elasticity. The air contained in the fluid may be removed.
  • An embodiment of the present invention provides a medical air removal device that can effectively remove and release the air contained in the sap or blood when infused with the sap or blood.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • External Artificial Organs (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention porte sur un appareil médical d'élimination d'air. L'appareil médical d'élimination d'air comprend : un couvercle comprenant un premier couvercle et un second couvercle tourné vers le premier couvercle ; une première partie de liaison disposée sur un côté du couvercle pour introduire un fluide à travers celui-ci ; une seconde partie de liaison disposée sur l'autre côté du couvercle pour évacuer le fluide à travers celui-ci ; au moins un pore défini dans le second couvercle ; un filtre à air couplé à la partie intérieure du second couvercle ; et un dispositif d'évacuation d'air couplé au couvercle pour évacuer l'air contenu dans le fluide à travers le filtre à air et le pore.
PCT/KR2012/000043 2011-01-11 2012-01-03 Appareil médical d'élimination d'air WO2012096467A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0002829 2011-01-11
KR1020110002829A KR101050489B1 (ko) 2011-01-11 2011-01-11 의료용 에어 제거 장치

Publications (2)

Publication Number Publication Date
WO2012096467A2 true WO2012096467A2 (fr) 2012-07-19
WO2012096467A3 WO2012096467A3 (fr) 2012-12-06

Family

ID=44923843

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/000043 WO2012096467A2 (fr) 2011-01-11 2012-01-03 Appareil médical d'élimination d'air

Country Status (2)

Country Link
KR (1) KR101050489B1 (fr)
WO (1) WO2012096467A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4169555A1 (fr) * 2021-10-25 2023-04-26 Fresenius Kabi USA, LLC Elimination d'air assiste par pression

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180138303A (ko) * 2017-06-21 2018-12-31 이상빈 수액 필터 어셈블리.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920002937B1 (ko) * 1988-09-27 1992-04-10 화이자 호스피탈 프로덕츠 그룹 인코포레이티드 드레인 장치
KR100463636B1 (ko) * 2002-08-09 2004-12-30 김용년 액체 주입용 튜브의 캡
KR20100010395A (ko) * 2008-07-22 2010-02-01 박재상 의료용 가온장치
KR20100091100A (ko) * 2009-02-09 2010-08-18 (주)이화프레지니우스카비 필터장치 및 이를 구비한 주사액 주입장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920002937B1 (ko) * 1988-09-27 1992-04-10 화이자 호스피탈 프로덕츠 그룹 인코포레이티드 드레인 장치
KR100463636B1 (ko) * 2002-08-09 2004-12-30 김용년 액체 주입용 튜브의 캡
KR20100010395A (ko) * 2008-07-22 2010-02-01 박재상 의료용 가온장치
KR20100091100A (ko) * 2009-02-09 2010-08-18 (주)이화프레지니우스카비 필터장치 및 이를 구비한 주사액 주입장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4169555A1 (fr) * 2021-10-25 2023-04-26 Fresenius Kabi USA, LLC Elimination d'air assiste par pression

Also Published As

Publication number Publication date
WO2012096467A3 (fr) 2012-12-06
KR101050489B1 (ko) 2011-07-22

Similar Documents

Publication Publication Date Title
JP3343262B2 (ja) ダイヤフラム隔離手段を備えた２部品構成の医療用圧力変換器
WO2017150845A1 (fr) Corps de protection et dispositif d'injection de fluide médicinal comportant ledit corps de protection
WO2015037832A1 (fr) Dispositif capillaire comprenant un filtre interne et dispositif d'injection de fluide le comprenant
EP3538172B1 (fr) Dispositif de connecteur pour un système de traitement de plaies par pression négative
KR101196143B1 (ko) 마취호스에 장착되는 습 제거구
WO2012096467A2 (fr) Appareil médical d'élimination d'air
SE9001033D0 (sv) Implanterbar anordning foer avstaengning av en kanal i en levande varelses kropp
WO2010131880A2 (fr) Tube à essai séparable pour séparateur centrifuge
US8062882B2 (en) Apparatus for capturing cell
WO2015088181A1 (fr) Dispositif de pose de ventouse à pression constante
KR20010071498A (ko) 미세채널을 갖는 능동 유체 이송 장치
WO2013100601A1 (fr) Aspirateur médical
WO2021049701A1 (fr) Dispositif de pose de ventouse sur le cuir chevelu, système électronique de dispositif de pose de ventouse doté de ce dernier, et procédé d'utilisation associé
WO2014171761A1 (fr) Dispositif de prévention d'introduction d'air pour ensemble de solutions de perfusion
WO2020036289A1 (fr) Sac de drainage
JP2018520840A5 (fr)
WO2016056841A1 (fr) Sac de drainage
WO2021060608A1 (fr) Tire-lait et téterelle utilisée pour celui-ci
KR101691308B1 (ko) 필터 주사기
WO2016208923A1 (fr) Filtre de sécurité et seringue pourvue de ce filtre
WO2023101453A1 (fr) Cathéter de guidage de ballonnet
WO2018236160A1 (fr) Ensemble filtre de fluide intraveineux
WO2019066119A1 (fr) Dispositif d'injection
WO2017073920A1 (fr) Appareil d'évacuation pour récipient cosmétique
WO2015102218A1 (fr) Aiguille filtrante

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12733999

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12733999

Country of ref document: EP

Kind code of ref document: A2