JP7119121B2 - 無針注射器 - Google Patents
無針注射器 Download PDFInfo
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- JP7119121B2 JP7119121B2 JP2020562536A JP2020562536A JP7119121B2 JP 7119121 B2 JP7119121 B2 JP 7119121B2 JP 2020562536 A JP2020562536 A JP 2020562536A JP 2020562536 A JP2020562536 A JP 2020562536A JP 7119121 B2 JP7119121 B2 JP 7119121B2
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- 238000002347 injection Methods 0.000 claims description 102
- 239000007924 injection Substances 0.000 claims description 102
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- 238000003825 pressing Methods 0.000 claims description 6
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- 238000002485 combustion reaction Methods 0.000 description 23
- 239000000126 substance Substances 0.000 description 22
- 239000002360 explosive Substances 0.000 description 16
- 210000003811 finger Anatomy 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- -1 titanium hydride Chemical compound 0.000 description 9
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 description 8
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- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- 244000043261 Hevea brasiliensis Species 0.000 description 1
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- 102000039446 nucleic acids Human genes 0.000 description 1
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- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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- 229920001084 poly(chloroprene) Polymers 0.000 description 1
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- 229920000915 polyvinyl chloride Polymers 0.000 description 1
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- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 210000000707 wrist Anatomy 0.000 description 1
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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
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- 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
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
- A61M5/3007—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules with specially designed jet passages at the injector's distal end
-
- 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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/2046—Media being expelled from injector by gas generation, e.g. explosive charge
-
- 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
- A61M5/3129—Syringe barrels
- A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
-
- 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
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M2005/2485—Ampoule holder connected to rest of syringe
- A61M2005/2488—Ampoule holder connected to rest of syringe via rotation, e.g. threads or bayonet
-
- 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
- A61M2005/3114—Filling or refilling
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- 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
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
-
- 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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/2053—Media being expelled from injector by pressurised fluid or vacuum
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)
Description
ここで、図1は、注射器1の外観を概的に示す図である。図2は注射器1の第1の断面図であり、その断面は、後述の図4におけるAA断面である。また、図3は注射器1の第2の断面図であり、その断面は、後述の図4におけるBB断面であり、BB断面はAA断面に直交する。なお、図4は注射器1を構成するハウジング2の構成を示す図であることに留意する。ここで、注射器1は、ハウジング2(注射器筐体)に注射器アセンブリ10が取り付けられて形成される。また、ハウジング2には、注射器アセンブリ10内の点火器22に駆動電流を供給するための電源ケーブル3が接続される。
2 :ハウジング
2a :グリップ部
3 :電源ケーブル
4 :コネクタ
5 :第1スイッチ
6 :第2スイッチ
10 :注射器アセンブリ
20 :アクチュエータ
21 :ボディ
22 :点火器
30 :アタッチメント
31 :ボディ
40 :ピストン
50 :プランジャロッド
51 :軸部材
52 :縮径部
60 :ストッパ部
70 :コンテナ
71 :ノズル部
75 :収容空間
76 :流路
77 :射出口
80 :プランジャ
90 :制御部
Claims (7)
- 注射針を介することなく注射目的物質を対象領域に射出する無針注射器であって、
前記注射目的物質が収容される収容空間を有するとともに該注射目的物質が前記対象領域に対して射出されるように流路を画定する収容部と、
前記注射目的物質を射出するための射出エネルギーを付与する駆動部と、
前記射出エネルギーが付与されることで、前記収容空間に収容されている前記注射目的物質を加圧する加圧部と、
前記収容部、前記駆動部、前記加圧部のうち少なくとも何れかを内部に収容し且つ前記ユーザの片手により把持可能に構成された筒状の注射器筐体と、
前記注射器筐体に設けられた、前記駆動部を作動させるための第1スイッチ及び第2スイッチと、
前記第1スイッチ及び前記第2スイッチの予め決定された動作を介して、前記駆動部の作動を制御する制御部と、
を備え、
前記第1スイッチは、前記注射器筐体の表面のうちユーザ側に位置する側面であってユーザによる把持状態で該ユーザの掌で覆われる第1領域において、該ユーザの掌の接触方向とは異なる所定方向にスライド可能に配置され、
前記第2スイッチは、ユーザによる把持状態で該第2スイッチの上側の表面の少なくとも一部がユーザにより視認可能となるように該一部がユーザ側に傾いて形成され、且つ前記注射器筐体の上側に押下可能に配置され、
前記制御部は、ユーザによる前記第1スイッチの所定のスライド操作の後に行われる、前記第2スイッチの所定の押下操作を起点として、前記駆動部を作動させるように構成される、
無針注射器。 - 前記第2スイッチは、該第2スイッチの上側の表面の少なくとも一部と同じようにユーザ側に傾いて構成された、前記注射器筐体の上側の表面における第2領域に配置される、
請求項1に記載の無針注射器。 - 前記第2スイッチは、前記第2領域において、前記所定方向に沿った前記第1スイッチのスライド直線を前記注射器筐体の表面に沿って延在させた仮想直線上に配置され、又は
、該仮想直線の近傍に配置される、
請求項2に記載の無針注射器。 - 前記所定のスライド操作は、前記第1スイッチを所定方向にスライドさせ、且つ、そのスライド状態を所定時間保持する操作である、
請求項1から3の何れか一項に記載の無針注射器。 - 前記駆動部は、着火電流が供給されることで点火薬を燃焼させて前記射出エネルギーを生成する点火装置であって、
前記注射器筐体からは、電源から前記点火装置への着火電流を供給するための電源ケーブルが延出し、
前記注射器筐体は、ユーザによる前記第1スイッチがユーザ側に向くような把持状態において、前記電源ケーブルがユーザから離間する方向に延出するように構成された、
請求項1から4の何れか一項に記載の無針注射器。 - 前記注射器筐体には、前記電源ケーブルが接続されるコネクタが、前記第2スイッチを挟んで前記第1スイッチとは反対側の、前記注射器筐体の側面に設けられ、
前記コネクタは、前記電源ケーブルが、前記第2スイッチの上側の表面の少なくとも一部による傾斜面に沿って延出するように前記注射器筐体に取り付けられる、
請求項5に記載の無針注射器。 - 前記コネクタは、前記電源ケーブルとの脱着を可能とするように構成される、
請求項6に記載の無針注射器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018245623 | 2018-12-27 | ||
JP2018245623 | 2018-12-27 | ||
PCT/JP2019/051555 WO2020138475A1 (ja) | 2018-12-27 | 2019-12-27 | 無針注射器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020138475A1 JPWO2020138475A1 (ja) | 2021-09-27 |
JP7119121B2 true JP7119121B2 (ja) | 2022-08-16 |
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Application Number | Title | Priority Date | Filing Date |
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JP2020562536A Active JP7119121B2 (ja) | 2018-12-27 | 2019-12-27 | 無針注射器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220062555A1 (ja) |
EP (1) | EP3903859A4 (ja) |
JP (1) | JP7119121B2 (ja) |
CN (1) | CN113226406B (ja) |
WO (1) | WO2020138475A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD931439S1 (en) * | 2018-11-26 | 2021-09-21 | Daicel Corporation | Control unit for needleless injector |
EP3915614A4 (en) * | 2019-01-25 | 2022-09-28 | Daicel Corporation | CRACK RESISTANT COMPONENT |
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- 2019-12-27 JP JP2020562536A patent/JP7119121B2/ja active Active
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US20220062555A1 (en) | 2022-03-03 |
CN113226406A (zh) | 2021-08-06 |
JPWO2020138475A1 (ja) | 2021-09-27 |
EP3903859A4 (en) | 2022-09-14 |
WO2020138475A1 (ja) | 2020-07-02 |
CN113226406B (zh) | 2023-11-03 |
EP3903859A1 (en) | 2021-11-03 |
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