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WO2021177318A1 - Outil d'application de liquide - Google Patents

Outil d'application de liquide Download PDF

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Publication number
WO2021177318A1
WO2021177318A1 PCT/JP2021/008004 JP2021008004W WO2021177318A1 WO 2021177318 A1 WO2021177318 A1 WO 2021177318A1 JP 2021008004 W JP2021008004 W JP 2021008004W WO 2021177318 A1 WO2021177318 A1 WO 2021177318A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
coating tool
microprojections
liquid coating
tool according
Prior art date
Application number
PCT/JP2021/008004
Other languages
English (en)
Japanese (ja)
Inventor
及川陽一
宮地邦男
義浩 橋本
日隈　薫
Original Assignee
シンクランド株式会社
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 シンクランド株式会社 filed Critical シンクランド株式会社
Priority to JP2021562933A priority Critical patent/JP7193889B2/ja
Publication of WO2021177318A1 publication Critical patent/WO2021177318A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • 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
    • A61M35/00—Devices for applying media, e.g. remedies, on the human body
    • 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
    • A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin

Definitions

  • the present invention is suitable for application to a liquid coating tool used for applying a liquid for medical or cosmetic purposes to an object to be coated such as skin.
  • the application sheet is first placed on the hand, and in that state, a liquid such as a lotion is dripped on the application sheet while adjusting the amount, and the application sheet is sandwiched between the fingers on the face. A series of operations such as applying to the skin is required.
  • the present invention has been made to solve such a problem, and an object of the present invention is to provide a liquid coating tool capable of applying a liquid to an object to be coated such as skin with a simple operation.
  • the liquid coating tool of the present invention is used.
  • Cylindrical shaft and A switch mechanism formed on the outside of the shaft and physically moved,
  • a liquid storage portion formed inside the shaft portion to store the liquid, and a liquid storage portion.
  • a discharge portion provided at or near the end portion in the longitudinal direction of the shaft portion and having a plurality of microprojections and a plurality of through holes formed therein. It is characterized by having a fixed quantity discharge mechanism that discharges a fixed amount of liquid from the discharge portion in conjunction with the switch mechanism.
  • the present invention can realize a liquid coating tool capable of applying a liquid to an object to be coated such as skin with a simple operation.
  • FIG. 1 shows the liquid coating tool 1 of the present invention as a whole.
  • the liquid coating tool 1 has an elongated cylindrical shape like a writing instrument as a whole.
  • the liquid coating tool 1 has a switch mechanism 3 on the root side in the longitudinal direction (axial direction) of the shaft main body portion 2 and a discharge portion 4 on the tip end side.
  • the shaft main body portion 2 has a liquid filling portion 5 and a fixed quantity discharging portion 6 inside.
  • the liquid filling section 5 is filled with a coating liquid LQ, which is a liquid to be coated.
  • the liquid filling portion 5 may be a replaceable type such as a cartridge, or may be a non-replaceable single-use type.
  • the liquid filling portion 5 can store, for example, about 1 to 30 ⁇ l of the coating liquid LQ.
  • the coating liquid LQ to be filled in the liquid filling portion 5 is not particularly limited, but since it is assumed that the coating liquid LQ is applied to an object to be coated such as the skin of a human body or an animal, a lotion or a beauty essence may be used. Drugs for cosmetic use and medical use for the skin, and hair agents such as hair protectants and hair restorers are mainly mentioned.
  • the fixed quantity discharge unit 6 is a mechanism for quantitatively discharging the coating liquid LQ of the liquid filling unit 5 from the discharge unit 4 in response to the user's operation on the switch mechanism 3. That is, when the user operates (presses or slides) the switch mechanism 3 once, the coating liquid LQ of the liquid filling unit 5 is supplied to the discharging unit 4 by a fixed amount.
  • the discharge portion 4 discharges the coating liquid LQ supplied from the liquid filling portion 5 to the tip back surface 4B through the tip 11A of the microprojection 11 formed on the tip surface 4A.
  • the height of the microprojections (height from the tip surface 4A to the tip 11A) is preferably about 50 to 900 ⁇ m, more preferably about 100 to 300 ⁇ m from the viewpoint of ease of manufacture and safety.
  • the through hole 12 is formed at a position centered on or offset from the central axis of the microprojection 11, and the central axis of the through hole 12 is the tip 11A of the microprojection 11 or near the tip (the central axis is the microprojection). It is located on the tip side from 1/2 of the height of 11.
  • the shape of the through hole 12 is not limited, and may be formed to have substantially the same size as a whole (that is, a pillar shape such as a columnar shape or a prismatic shape), and the shape becomes larger toward the root (that is, a cone shape or a triangle shape). It may be formed in a cone shape such as a cone shape.
  • the diameter of the thinnest portion is preferably 1/20 to 1/1 of the diameter of the microprojection 11 in order to secure the strength of the microprojection 11 and the amount of liquid passing through the coating liquid LQ. It is about 2, particularly preferably about 1/10 to 1/3.
  • the diameter of the root portion of the microprojection 11 is preferably about 100 to 900 ⁇ m and preferably about 200 to 600 ⁇ m.
  • the average diameter from the root portion to the tip portion of the through hole is preferably formed to be 10 to 200 ⁇ m, more preferably 20 to 100 ⁇ m.
  • a coating liquid filling space 13 is formed adjacent to the front end back surface 4B.
  • the fixed-quantity discharge unit 6 supplies the coating liquid LQ supplied from the liquid filling unit 5 to the coating liquid filling space 13, passes through the through hole 12, and discharges the coating liquid from the discharge unit 4.
  • the number of microprojections 11 is not limited and can be any number. Further, there is no limitation on the method of arranging the minute protrusions 11, and they can be arranged regularly, randomly, or freely. For example, it can be arranged in a circular shape, or can be arranged in an elliptical shape or a polygonal shape.
  • a constant amount of the coating liquid LQ is discharged from the tip 12A of the through hole 12 in response to the operation of the switch mechanism 3 by the user.
  • the coating liquid LQ is discharged in a dispersed state from the plurality of through holes 12, and the coating liquid LQ is trapped by the microprojections 11 due to the surface tension of the coating liquid LQ, so that dripping is less likely to occur.
  • the amount of the coating liquid LQ discharged at one time is determined according to the properties of the coating liquid LQ, but is, for example, 1 to 100 ⁇ l, more preferably 3 to 30 ⁇ l. This is because if the discharge amount at one time is too small, a large number of operations are required, while if it is too large, the possibility of dripping increases.
  • the viscosity of the coating liquid LQ is not limited, but by using a low-viscosity liquid as the coating liquid LQ, the effect of the liquid coating tool 1 of the present invention can be appropriately exhibited.
  • the low-viscosity liquid preferably has a viscosity at 60 rpm (L-type viscometer / 25 ° C.) of 150 mPa ⁇ s or less, more preferably 80 mPa ⁇ s or less.
  • the user can discharge and permeate an appropriate amount of the coating liquid LQ to the object to be coated, etc. in a state where the coating liquid LQ is spread to a desired place to some extent, and then slowly apply the coating liquid LQ to the object to be coated.
  • the coating liquid LQ can be permeated into the object to be coated with a simple operation.
  • the second embodiment will be described with reference to FIG.
  • the second embodiment is different from the first embodiment in that it is assumed that the coating liquid LQ is applied to the scalp.
  • the same reference numerals are given to the same parts as those of the first embodiment, and 100 is added to the corresponding parts, and the description of the same parts will be omitted.
  • the microprojections 111 in the liquid coating tool 101 are used in a state where they enter between the hairs and bring their tips close to the vicinity of the scalp. Therefore, in the liquid coating tool 101, the height of the minute protrusions 111 formed on the discharge portion 104 is designed to be larger than that of the first embodiment, and is, for example, about 800 ⁇ m. In addition, about 70 microprojections 111 are formed and are arranged in a circle.
  • the pitch which is the distance between the centers of the microprojections 111, is preferably the diameter of the root of the microprojections 111 + 50 ⁇ m or more, and further. Is formed to be +80 ⁇ m or more, so that the effect of sandwiching the hair between the microprojections 111 can be obtained.
  • the separation distance at the root portion between the microprojections 111 is preferably at least 50 ⁇ m or more, more preferably 80 ⁇ m or more. Further, in order to efficiently arrange many microprojections 111, the separation distance at the root portion between the microprojections 111 is preferably 500 ⁇ m or less, more preferably 300 ⁇ m or less.
  • the guard portion 114 is formed on the outside of the protrusion region where the minute protrusions 111 are formed.
  • the guard portion 114 is a wall or rod-shaped member formed to a height of about 600 ⁇ m from the tip surface 104A of the discharge portion 104, and the height from the tip surface 104A is 100 to 500 ⁇ m, for example, about 200 ⁇ m from the microprojection 111. It is formed small. In other words, the microprojection 111 protrudes by 200 ⁇ m from the tip of the guard portion 114.
  • the hair enters the gap between the microprojections 111, and the tip 111A of the microprojections 111 is placed on the scalp. It can be placed in the vicinity.
  • the switch mechanism 3 When the user operates the switch mechanism 3 in this state, the liquid can be directly applied to the scalp to be applied.
  • the guard portion 114 due to the presence of the guard portion 114, it is possible to prevent the microprotrusions 111 from being accidentally pierced into the scalp, and it is possible to ensure safety even in an area where the amount of hair is small.
  • the third embodiment is different from the first embodiment in that it has a shape of a microprojection, a protrusion 211 with a hole as a microprojection, and a protrusion 221 without a hole.
  • the same reference numerals are given to the same parts as those of the first embodiment, and 200 is added to the corresponding parts, and the description of the same parts will be omitted.
  • the discharge portion 204 of the liquid coating tool 101 is a replaceable cap.
  • a total of 46 microprojections are formed on the tip surface 204A of the discharge portion 204.
  • 42 are non-perforated projections 221 without through holes
  • 4 are perforated projections with through holes 212. That is, 10.5 non-perforated protrusions are formed with respect to the perforated protrusion 1.
  • this ratio is not limited, it is preferable that 3 to 20 non-perforated protrusions are formed with respect to the perforated protrusion 1. This is because if there are too many non-perforated protrusions, the coating liquid LQ does not spread between the minute protrusions, and if there are too few, the holding power of the coating liquid decreases.
  • the perforated protrusion 212 has a protrusion outer edge diameter DL (about 7.5 mm) of a protrusion region outer circle indicating a protrusion region connecting the outer root ends of the microprojections as “1”.
  • the intermediate region MA (indicated by a diagonal line) having a diameter of "1/4 to 3/4" is studded so as to include the center of the perforated protrusion 212.
  • the coating liquid LQ is uniform on the inside and the outside by arranging the coating liquid LQ on the middle outer region MAo having a diameter of "1/2 to 3/4", that is, slightly outside the half of the diameter and closer to the outside where the area becomes large. Can be expanded to.
  • tip flat surfaces 211A and 221A which are planes parallel to the flat portion 204A, are formed at the tip portions of the minute protrusions (protrusions with holes 211 and protrusions 221 without holes).
  • the diameters of the tip planes 211A and 221A are not limited, but are preferably formed to be 1/10 to 1/3, more preferably 1/8 to 1/4 of the diameter of the root portion of the microprojection. If the tip planes 211A and 221A are too small, sufficient safety and applicability cannot be obtained, and if they are too large, irritation to the skin is reduced, which is not preferable.
  • the back hole 16 has a back hole base portion 16A having a conical trapezoidal shape and a back hole tip portion 16B having a cylindrical shape from the back surface 13B side.
  • the tip (smallest diameter) portion of the back hole base portion 16A and the diameter of the back hole tip portion 16B are the same.
  • the diameter D2 of the back hole tip portion 16B is formed to be smaller than the diameter D1 at the base of the needle ridge 14 and larger than the diameter of the through hole 17.
  • the bottom (thickest diameter) portion of the back hole base portion 16A is formed to be larger than the root diameter D1.
  • the back hole tip portion 16B is arranged only in the portion where the needle thread 14 is located, the depth T3 of the back hole 16 can be made as large as possible, and the strength decrease caused by the back hole 16 can be suppressed. Further, the peelability of the injection formation can be improved as compared with the case where the back hole 16 is simply formed in a cylindrical shape. Further, the shape of the back hole base portion 16A can enhance the visibility of the needle ridge 14 on which the through hole 17 is formed or will be formed, and can be utilized in the manufacturing process and quality control.
  • the diameter D2 of the back hole tip 16B is 0.15 mm
  • the bottom diameter D3 of the back hole base 16A is 0.55 mm
  • the diameter of the through hole 17 is 0.03 mm.
  • the central axis of the back hole 16 is located on the extension line of the through hole 17.
  • the total area of the through holes 17 is 11304 square ⁇ m
  • the assumed discharge amount of the coating liquid LQ at one time is 6 ⁇ l.
  • the liquid coating tool (liquid coating tool 1) of the present invention is Cylindrical shaft part (shaft body part 2) and A switch mechanism (switch mechanism 3) formed on the outside of the shaft portion and physically moved, A liquid storage unit (liquid filling unit 5) formed inside the shaft portion and storing the liquid, A discharge portion (discharge portion 4) provided at or near the end portion in the longitudinal direction of the shaft portion and having a plurality of microprojections (microprojections 11) and a plurality of through holes (through holes 12) formed therein. It is characterized by having a fixed-quantity discharge mechanism (quantitative discharge unit 6) that discharges a fixed amount of liquid from the discharge unit in conjunction with the switch mechanism.
  • the liquid coating tool can discharge a certain amount of liquid little by little from small-diameter through holes separated from each other, and can trap the liquid by the minute protrusions, so that the liquid coating tool can be applied to the object to be coated without causing dripping.
  • a liquid can be attached.
  • the microprojections The height from the flat surface portion (tip surface 4A) is 100 to 900 ⁇ m.
  • the liquid coating tool can ensure both the effect of trapping the liquid of the minute protrusions and the ease of manufacturing. ..
  • the microprojections It is characterized in that the separation distance between the microprojections is 500 ⁇ m or less.
  • the liquid coating tool can fully exert the effect of trapping the liquid.
  • the through hole is It is characterized in that it penetrates the inside of the microprojection.
  • the liquid coating tool can directly apply the liquid through the tips of the microprojections in contact with the object to be coated, so that the liquid can be adhered to the object to be coated without waste, and a small amount of liquid can be applied.
  • the liquid can be effectively applied to the skin.
  • the liquid is a cosmetic product.
  • the liquid coating tool can apply cosmetics to the skin with a simple operation.
  • the microprojection is characterized in that the height from the flat surface portion is 100 to 300 ⁇ m.
  • the liquid coating tool can improve the safety when applying the liquid.
  • the liquid is a chemical liquid for application to the scalp.
  • the liquid applicator can apply the chemical solution for scalp application to the scalp or the root of the hair with a simple operation.
  • the microprojection is characterized in that the height from the flat surface portion is 200 to 900 ⁇ m.
  • the liquid coating tool can insert the hair into the gap between the microprojections, and the tip of the microprojections can be brought closer to the scalp.
  • the liquid coating tool of the present invention Around the microprojections, It is characterized in that a guard portion that protrudes from the flat surface portion and is lower than the microprojection is formed.
  • the microprojections are The height of the region protruding from the guard portion is 300 ⁇ m or less.
  • the maximum depth at which the microprojections pierce the skin can be reduced, which further enhances safety.
  • the plurality of microprojections are characterized by having a protrusion with a hole in which a through hole is formed and a protrusion without a hole in which a through hole is not formed.
  • the total cross-sectional area of the through holes can be adjusted while maintaining the function of keeping the coating liquid between the minute protrusions, so that the speed at which the coating liquid is discharged can be freely changed.
  • the tip of the microprojection is It is characterized in that a tip plane parallel to the plane portion on which the microprojections are formed is formed.
  • the perforated protrusions are discretely arranged in an intermediate region having a diameter of 1/4 to 3/4 with respect to an end circle connecting the ends of the protrusion regions in which microprojections are formed. It is characterized by that.
  • the liquid coating tool can apply the coating liquid to be discharged separately to the skin using the entire area of the protrusion area.
  • a through hole is formed inside the microprojection, but the present invention is not limited to this, and a through hole may be formed on the side of the microprojection. Even in this case, the liquid discharged from the through hole can reach the object to be coated through the minute protrusions, and the same effect as that of the above-described embodiment can be obtained.
  • the discharge portion 104 has the minute protrusions 111 on a flat surface, but the present invention is not limited to this, and as shown in FIG. 4, for example, the discharge portion 104 is continuous with the protrusion sheet 121 having the recess 123.
  • the microprojection 111 may be provided.
  • the protrusion sheet 121 is formed with a through hole 122 that is continuous with the through hole 112.
  • the liquid coating tool 1 as a liquid coating tool is configured by the fixed quantity discharging unit 6 as a fixed quantity discharging mechanism, but the present invention is not limited to this, and the shaft portion, the switch mechanism, and the liquid having various other configurations are not limited to this.
  • the liquid coating tool of the present invention can be configured by the storage portion, the discharge portion, and the through hole.
  • the present invention can be applied to a liquid coating tool capable of applying a liquid to an object to be coated with a simple operation.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Medical Informatics (AREA)
  • Coating Apparatus (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un outil d'application de liquide permettant l'application d'un liquide sur la peau par une opération simple. L'outil d'application de liquide (1) selon l'invention évacue une quantité fixe de liquide par une partie d'évacuation (4) comportant une pluralité de trous traversants (12) et de micro-protubérances (11), conjointement avec un mécanisme de commutation (3) actionné par un utilisateur. Il est ainsi possible d'évacuer une quantité fixe de liquide par une pluralité d'emplacements de façon dispersée et de piéger le liquide au niveau des micro-protubérances (11). Par conséquent, il est possible de réduire le dégouttement de liquide et de permettre l'application du liquide sur la peau par une opération simple.
PCT/JP2021/008004 2020-03-02 2021-03-02 Outil d'application de liquide WO2021177318A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021562933A JP7193889B2 (ja) 2020-03-02 2021-03-02 液体塗布具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-035332 2020-03-02
JP2020035332 2020-03-02

Publications (1)

Publication Number Publication Date
WO2021177318A1 true WO2021177318A1 (fr) 2021-09-10

Family

ID=77613483

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/008004 WO2021177318A1 (fr) 2020-03-02 2021-03-02 Outil d'application de liquide

Country Status (2)

Country Link
JP (1) JP7193889B2 (fr)
WO (1) WO2021177318A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005087562A (ja) * 2003-09-18 2005-04-07 Tokiwa Corp 塗布具
JP2005118409A (ja) * 2003-10-20 2005-05-12 Kamaya Kagaku Kogyo Co Ltd 塗布体付き容器
JP2013188613A (ja) * 2004-11-08 2013-09-26 Mitsubishi Pencil Co Ltd 液体化粧品塗布具
JP2018534018A (ja) * 2015-09-27 2018-11-22 フォリカ, インコーポレーテッドFollica, Inc. 針刺入装置及び薬物アプリケーター
JP2020501681A (ja) * 2016-12-16 2020-01-23 ソレント・セラピューティクス・インコーポレイテッド 流体送達装置用のアプリケーション装置及びその使用方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0629532U (ja) * 1992-09-25 1994-04-19 株式会社徳安 薬液塗着兼マッサージ用ブラシ
AU2015346003A1 (en) * 2014-11-12 2017-05-25 Mupharma Pty Ltd Non-invasive agent applicator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005087562A (ja) * 2003-09-18 2005-04-07 Tokiwa Corp 塗布具
JP2005118409A (ja) * 2003-10-20 2005-05-12 Kamaya Kagaku Kogyo Co Ltd 塗布体付き容器
JP2013188613A (ja) * 2004-11-08 2013-09-26 Mitsubishi Pencil Co Ltd 液体化粧品塗布具
JP2018534018A (ja) * 2015-09-27 2018-11-22 フォリカ, インコーポレーテッドFollica, Inc. 針刺入装置及び薬物アプリケーター
JP2020501681A (ja) * 2016-12-16 2020-01-23 ソレント・セラピューティクス・インコーポレイテッド 流体送達装置用のアプリケーション装置及びその使用方法

Also Published As

Publication number Publication date
JPWO2021177318A1 (fr) 2021-09-10
JP7193889B2 (ja) 2022-12-21

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