WO2016152527A1 - Seringue double - Google Patents

Seringue double Download PDF

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Publication number
WO2016152527A1
WO2016152527A1 PCT/JP2016/057378 JP2016057378W WO2016152527A1 WO 2016152527 A1 WO2016152527 A1 WO 2016152527A1 JP 2016057378 W JP2016057378 W JP 2016057378W WO 2016152527 A1 WO2016152527 A1 WO 2016152527A1
Authority
WO
WIPO (PCT)
Prior art keywords
syringe
plunger
flange
double
head
Prior art date
Application number
PCT/JP2016/057378
Other languages
English (en)
Japanese (ja)
Inventor
小島　真一
Original Assignee
株式会社ジーシー
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 株式会社ジーシー filed Critical 株式会社ジーシー
Priority to BR112017019535A priority Critical patent/BR112017019535A2/pt
Priority to JP2017508196A priority patent/JP6527224B2/ja
Publication of WO2016152527A1 publication Critical patent/WO2016152527A1/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
    • 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
    • A61M5/178—Syringes
    • A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
    • 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
    • A61M5/178—Syringes
    • A61M5/28—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details

Definitions

  • the present invention relates to a double syringe.
  • a finger is put on the flange provided on the outer periphery of the syringe, and the plunger head provided on the plunger end is pressed with a thumb or a thumb ball (the swollen portion of the thumb base).
  • a thumb or a thumb ball the swollen portion of the thumb base
  • the plunger head is not pressed so as to change the force for pushing the two plungers according to, for example, the inner diameter of the syringe or the characteristics of the material, the plunger may be bent or tilted.
  • the pushing amount of each plunger is different, and it becomes difficult to extrude the material from the two syringes at a predetermined ratio.
  • the plunger and the syringe are in a state of being bitten, and the plunger may not be able to move.
  • the present invention has been made in view of the above, and an object of the present invention is to guide the holding method so that a double syringe can extrude a material from two syringes at a predetermined ratio.
  • the first syringe, the second syringe arranged in parallel with the first syringe, and the flange provided on the outer periphery of the first syringe and the second syringe A first plunger inserted into the first syringe, a second plunger inserted into the second syringe, and a plunger head for connecting and supporting the first plunger and the second plunger,
  • the flange has a first flange protrusion that protrudes from the first syringe side end in the parallel direction in which the first syringe and the second syringe are arranged to the side opposite to the plunger head.
  • the holding can be guided so that the material can be pushed out from the two syringes at a predetermined ratio in the double syringe.
  • FIG. 1 is a diagram illustrating a double syringe 100 according to the embodiment.
  • 2A is a left side view of the double syringe 100.
  • FIG. 2B is a front view of the double syringe 100.
  • FIG. 2C is a right side view of the double syringe 100.
  • the double syringe 100 includes a first syringe 11, a second syringe 12, a first plunger 21, a second plunger 22, a flange 40, and a plunger head 50.
  • the X direction is the longitudinal direction and the axial direction of the cylindrical first syringe 11 and the second syringe 12 arranged in parallel.
  • the Y direction is a parallel direction in which the first syringe 11 and the second syringe 12 are arranged, and is a direction orthogonal to the X direction.
  • the Z direction is a direction orthogonal to both the X direction and the Y direction.
  • first syringe 11 and second syringe 12 may be simply referred to as “syringe”
  • first plunger 21 and second plunger 22 may be simply referred to as “plunger”.
  • the first syringe 11 has a hollow cylindrical shape, and is provided with a discharge port 31 at one end and an opening (not shown) into which the first plunger 21 is inserted at the other end.
  • the second syringe 12 has a hollow cylindrical shape, and is provided with an opening (not shown) into which the discharge port 32 is inserted at one end and the second plunger 22 is inserted at the other end.
  • the first syringe 11 and the second syringe 12 are arranged in parallel so that their axial directions are parallel to each other. Further, the first syringe 11 and the second syringe 12 have the same length in the X direction, and are provided so that the discharge port 31 and the discharge port 32 have the same position in the X direction. Moreover, the 1st syringe 11 and the 2nd syringe 12 are connected by the flange 40 grade
  • first syringe 11 and the second syringe 12 for example, different dental materials are accommodated.
  • the stored dental material is extruded from the first syringe 11 and the second syringe 12 at a predetermined ratio by the first plunger 21 and the second plunger 22, and is used after being kneaded with each other.
  • the inner diameter of the first syringe 11 is smaller than the inner diameter of the second syringe 12.
  • the capacity of the first syringe 11 is smaller than the capacity of the second syringe 12.
  • the inner diameters of the first syringe 11 and the second syringe 12 are appropriately set according to the ratio of mixing the materials accommodated in the first syringe 11 and the second syringe 12, and may be the same.
  • the first plunger 21 has a cylindrical shape whose outer diameter is smaller than the inner diameter of the first syringe 11, and one end side is inserted into the first syringe 11.
  • a gasket (not shown) is provided at one end of the first plunger 21.
  • the gasket has a hollow portion in which the outer periphery is in close contact with the inner peripheral surface of the first syringe 11, closes the gap between the outer periphery of the first plunger 21 and the inner periphery of the first syringe 11, and accommodates the material inside the first syringe 11.
  • the side opposite to the discharge port 31 is sealed.
  • the second plunger 22 has a cylindrical shape whose outer diameter is smaller than the inner diameter of the second syringe 12, and one end side is inserted into the second syringe 12.
  • a gasket (not shown) is provided at one end of the second plunger 22.
  • the gasket has a hollow portion in which the outer periphery is in close contact with the inner peripheral surface of the second syringe 12, closes the gap between the outer periphery of the second plunger 22 and the inner periphery of the second syringe 12, and accommodates the material inside the second syringe 12.
  • the side opposite to the discharge port 32 is sealed.
  • the first plunger 21 and the second plunger 22 are connected by a plunger head 50 at the end opposite to the syringe insertion side.
  • the plunger head 50 When the plunger head 50 is pushed toward the syringe, the first plunger 21 is pushed into the first syringe 11 and the second plunger 22 is pushed into the second syringe 12.
  • the plunger When the plunger is pushed into the syringe, a predetermined amount of material corresponding to the push amount of each plunger into the syringe is pushed out from the discharge ports 31 and 32 of the syringe.
  • the flange 40 is provided on the outer periphery of the first syringe 11 and the second syringe 12, and connects and fixes the first syringe 11 and the second syringe 12.
  • the flange 40 is formed so as to protrude in both directions in the Z direction from the outer periphery of the syringe so that a user of the double syringe 100 can hang two fingers sandwiching the syringe therebetween.
  • the flange 40 is provided with a first flange protrusion 41 and a second flange protrusion 42.
  • the first flange protrusion 41 is formed so as to protrude from the end of the flange 40 on the first syringe 11 side toward the discharge port 31 on the side opposite to the plunger head 50.
  • the second flange protrusion 42 is formed so as to protrude from the end of the flange 40 on the second syringe 12 side toward the plunger head 50 side and the opposite side of the discharge port 32.
  • the plunger head 50 is provided at the end of the plunger opposite to the syringe insertion side, and connects and supports the first plunger 21 and the second plunger 22.
  • the plunger head 50 is provided with a first head protrusion 51 and a second head protrusion 52.
  • the first head protrusion 51 is formed to protrude from the end on the first plunger 21 side of the plunger head 50 to the side opposite to the flange 40.
  • the second head protrusion 52 is formed so as to protrude from the end of the plunger head 50 on the second plunger 22 side toward the flange 40.
  • the user of the double syringe 100 sandwiches the syringe between the index finger and the middle finger, for example, and hangs the finger sandwiching the syringe on the flange 40 from the discharge ports 31 and 32 side. Further, for example, a thumb or thumb ball is applied to the plunger head 50, and a force is applied so that the plunger head 50 is brought close to the flange 40.
  • the inner diameter of the first syringe 11 is smaller than the inner diameter of the second syringe 12. For this reason, for example, when the first syringe 11 and the second syringe 12 contain materials of the same degree of viscosity, the second plunger 22 rather than pushing the first plunger 21 into the first syringe 11. A greater force is required to push the into the second syringe 12.
  • the plunger may be bent or tilted, and the material may not be discharged at a predetermined ratio.
  • the double syringe 100 needs to be gripped and operated so that the user can apply a greater force to the second plunger 22 than to the first plunger 21. Specifically, the user inserts the syringe from the second syringe 12 side between, for example, the index finger and the middle finger and doubles the thumb or thumb ball against the second plunger 22 side of the plunger head 50. It is necessary to have the syringe 100.
  • the double syringe 100 is provided with a first flange protruding portion 41 so as to protrude from the end of the flange 40 on the first syringe 11 side toward the discharge port 31. For this reason, when the user sandwiches the syringe between the fingers from the first syringe 11 side and puts the finger sandwiching the syringe on the surface of the flange 40 on the discharge ports 31 and 32 side, the first flange protrusion 41 is You will feel a sense of discomfort by touching the belly of your finger.
  • the user sees the shape of the flange 40 when holding the double syringe 100, and is naturally guided to hold the syringe between the fingers from the second syringe 12 side. Further, when the syringe is sandwiched between the fingers from the first syringe 11 side, the user feels uncomfortable due to the first flange protrusion 41 hitting the finger, so that the double syringe 100 is held again from the second syringe 12 side. Led.
  • the user holds the double syringe 100 by sandwiching the syringe between the fingers from the second syringe 12 side and naturally pressing the thumb or thumb ball against the second plunger 22 side of the plunger head 50. To be induced. Therefore, the user naturally pushes the plunger into the syringe by applying a greater force to the second plunger 22 side, and extrudes the material from the syringe at a predetermined ratio without causing the plunger to bend or tilt. It becomes possible.
  • the first flange protrusion 41 preferably has a length L in the X direction of, for example, 10 mm or more. In this way, by increasing the amount of protrusion of the first flange protrusion 41 from the flange 40, the user cannot hold the syringe between the fingers from the first syringe 11 side.
  • the user holds the double syringe 100 by holding the syringe between the fingers from the second syringe 12 side and pressing the thumb or thumb ball against the second plunger 22 side of the plunger head 50. Accordingly, the user can apply a greater force to the second plunger 22 side to push the plunger into the syringe and push out the material from the syringe at a predetermined ratio.
  • the double syringe 100 according to the present embodiment is provided such that the second flange protruding portion 42 protrudes from the end portion on the second syringe 12 side of the flange 40 toward the plunger head 50 side. For this reason, for the user, the finger sandwiching the syringe can be naturally attached to the flange 40 without a sense of incongruity.
  • the double syringe 100 is provided with a first head projecting portion 51 so as to project from the end on the first plunger 21 side of the plunger head 50 to the side opposite to the flange 40. For this reason, when the user sandwiches the syringe between the fingers from the first syringe 11 side and hits the thumb or thumb ball against the plunger head 50, the first head protrusion 51 comes into contact with the thumb or the like and feels uncomfortable. You will remember. Further, since the first head protrusion 51 hits the thumb or the thumb ball, it is difficult to apply a force to the plunger.
  • the double syringe 100 is provided with a second head projecting portion 52 so as to project from the end on the second plunger 22 side of the plunger head 50 to the flange 40 side. Therefore, the user can press the thumb or thumb ball against the plunger head 50 from the second head protrusion 52 side without feeling uncomfortable.
  • the flange 40 has the first flange protrusion 41 and the second flange protrusion 42
  • the plunger head 50 has the first head protrusion 51 and the second head protrusion. 52 is provided.
  • the syringe is sandwiched between the fingers from the side of the second syringe 12 where the force necessary for extruding the material is large, and the thumb or thumb ball is planned.
  • the user can be guided to hold the jar head 50 against the second plunger 22 side. Therefore, it is operated so that a large force is naturally applied to the second plunger 22 side, and the material is pushed out from the syringe at a predetermined ratio without causing problems due to bending or inclination of the plunger. .
  • the double syringe 100 should just be provided with any one or more among the 1st flange protrusion part 41, the 2nd flange protrusion part 42, the 1st head protrusion part 51, and the 2nd head protrusion part 52.
  • FIG. From the shape of the flange 40 or the plunger head 50, a sense of incongruity when it is held, etc., the user is naturally guided to a holding method in which a greater force can be applied to the second plunger 22 side.
  • the 1st flange protrusion part 41 and the 1st head protrusion part 51 are provided in the syringe side with small force required to push in a plunger.
  • the 2nd flange protrusion part 42 and the 2nd head protrusion part 52 are provided in the syringe side with big force required to push in a plunger.

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention a pour objet une seringue double conçue de façon à guider l'utilisateur dans le maintien de celle-ci, de telle sorte que les matériaux puissent être expulsés à partir de deux seringues selon un rapport prédéfini. A cet effet, ladite seringue double comprend : une première seringue ; une seconde seringue disposée de façon parallèle à la première seringue ; une bride disposée sur les périphéries extérieures de la première seringue et de la seconde seringue ; un premier piston inséré dans la première seringue ; un second piston inséré dans la seconde seringue ; et une tête de piston permettant de relier et de supporter le premier piston et le second piston. La bride comprend une première saillie de bride faisant saillie vers le côté opposé à la tête de piston, à partir de la première extrémité latérale de la seringue de la bride dans une direction dans laquelle la première seringue et la seconde seringue sont disposées parallèlement l'une à l'autre.
PCT/JP2016/057378 2015-03-26 2016-03-09 Seringue double WO2016152527A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR112017019535A BR112017019535A2 (pt) 2015-03-26 2016-03-09 seringa dupla
JP2017508196A JP6527224B2 (ja) 2015-03-26 2016-03-09 ダブルシリンジ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-063700 2015-03-26
JP2015063700 2015-03-26

Publications (1)

Publication Number Publication Date
WO2016152527A1 true WO2016152527A1 (fr) 2016-09-29

Family

ID=56979173

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/057378 WO2016152527A1 (fr) 2015-03-26 2016-03-09 Seringue double

Country Status (3)

Country Link
JP (1) JP6527224B2 (fr)
BR (1) BR112017019535A2 (fr)
WO (1) WO2016152527A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767085A (en) * 1971-08-02 1973-10-23 J Cannon Mixing syringe
JPS61293443A (ja) * 1985-06-20 1986-12-24 イムノ・アクチエンゲゼルシヤフト・フユ−ル・ヘミシユ−メデイツイニツシエ・プロデユクテ 組織接着剤の適用装置
US5542934A (en) * 1995-06-02 1996-08-06 Silver; Richard M. Multiple carpule hypodermic syringe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3333919B2 (ja) * 1992-09-25 2002-10-15 孝雄 加藤 蓋構造並びにこれを具えた容器
JP5881991B2 (ja) * 2011-07-29 2016-03-09 株式会社ジーシー ダブルシリンジ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767085A (en) * 1971-08-02 1973-10-23 J Cannon Mixing syringe
JPS61293443A (ja) * 1985-06-20 1986-12-24 イムノ・アクチエンゲゼルシヤフト・フユ−ル・ヘミシユ−メデイツイニツシエ・プロデユクテ 組織接着剤の適用装置
US5542934A (en) * 1995-06-02 1996-08-06 Silver; Richard M. Multiple carpule hypodermic syringe

Also Published As

Publication number Publication date
BR112017019535A2 (pt) 2018-05-02
JP6527224B2 (ja) 2019-06-05
JPWO2016152527A1 (ja) 2017-12-28

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