JP2022527712A - 無針注射器及び関連方法 - Google Patents
無針注射器及び関連方法 Download PDFInfo
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- JP2022527712A JP2022527712A JP2021560340A JP2021560340A JP2022527712A JP 2022527712 A JP2022527712 A JP 2022527712A JP 2021560340 A JP2021560340 A JP 2021560340A JP 2021560340 A JP2021560340 A JP 2021560340A JP 2022527712 A JP2022527712 A JP 2022527712A
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- cam
- ampoule
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- needleless syringe
- piston
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- 238000000034 method Methods 0.000 title claims description 22
- 239000003708 ampul Substances 0.000 claims abstract description 62
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 34
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 abstract description 2
- 238000012384 transportation and delivery Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 20
- 230000001960 triggered effect Effects 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 229940079593 drug Drugs 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000002651 drug therapy Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003054 hormonal effect Effects 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003589 local anesthetic agent Substances 0.000 description 1
- 229960005015 local anesthetics Drugs 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
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
- A61M5/31—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
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/3159—Dose expelling manners
- A61M5/31593—Multi-dose, i.e. individually set dose repeatedly administered from the same medicament reservoir
- A61M5/31595—Pre-defined multi-dose administration by repeated overcoming of means blocking the free advancing movement of piston rod, e.g. by tearing or de-blocking
-
- 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
- A61M5/31—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
- A61M5/31501—Means for blocking or restricting the movement of the rod or piston
-
- 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
- A61M5/3156—Mechanically operated dose setting member using volume steps only adjustable in discrete intervals, i.e. individually distinct intervals
-
- 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
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
- A61M5/31578—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
- A61M5/31581—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by rotationally moving or pivoting actuator operated by user, e.g. an injection lever or handle
-
- 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
- A61M5/31501—Means for blocking or restricting the movement of the rod or piston
- A61M2005/31508—Means for blocking or restricting the movement of the rod or piston provided on the piston-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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8275—Mechanical
- A61M2205/8281—Mechanical spring operated
-
- 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
- A61M2207/00—Methods of manufacture, assembly or production
-
- 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
- A61M5/2033—Spring-loaded one-shot injectors with or without automatic needle insertion
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)
Abstract
Description
Claims (15)
- 針なしで一定量の流体を吐出する無針注射器であって、前記無針注射器は、
ハウジングと、ピストンと、圧縮ばねと、前記ピストン内に位置するカム及び従動組立体と、を備える駆動端部を備え、
前記カム及び従動組立体の従動子は、第1の方向に沿って変位するように配置され、
前記カム及び従動組立体のカムは、前記第1の方向に対して角度のついた第2の方向に沿って変位するように配置される、無針注射器。 - 前記カムは、第1の方向に沿って前記従動子を移動させるカム面を備え、
前記第1の方向は、前記ハウジングの長手方向軸線と平行である、請求項1に記載の無針注射器。 - 前記ピストンと動的に配置される、段付きバレルとステムとを備えるキャリアをさらに備える、請求項1に記載の無針注射器。
- 前記段付きバレルが複数の段を備え、
第1の段と第2の段との間のトリガ長が、前記第2の段と第3の段との間のトリガ長にほぼ等しい、請求項3に記載の無針注射器。 - 前記ピストンが、第1の軸線に沿って、前記第1の段と前記第2の段との間の前記トリガ長に実質的に等しい量だけ変位可能である、請求項4に記載の無針注射器。
- 前記ハウジングの開口部に取り付けられるアンプルをさらに備える、請求項1に記載の無針注射器。
- 前記段付きバレルから延在するステムをさらに備え、
前記ステムが歯車を備える、請求項3に記載の無針注射器。 - 前記ハウジングの側面から延在するリセットプレートをさらに備える、請求項1に記載の無針注射器。
- 前記リセットプレートに対して付勢する1つ以上のばねをさらに備える、請求項8に記載の無針注射器。
- 前記ピストンが、前記段付きバレルの後面に当接する、請求項3に記載の無針注射器。
- 無針注射器を使用して注射を複数回行う方法であって、
トリガを押して第1の注射を行うステップと、
カムを押してばねをリセットするステップと、
前記トリガを押して第2の注射を行うステップと、を含む、方法。 - 段付きバレルを備えるキャリアを回転させるステップをさらに含み、
前記段付きバレルがプランジャと接触している、請求項11に記載の方法。 - 前記第1の注射及び前記第2の注射が同じアンプルで行われ、
前記アンプルがバレルとプランジャとを備える、請求項11に記載の方法。 - 前記カムを押して前記ばねをリセットするステップと、
前記トリガを押して前記アンプルで第3の注射を行うステップと、をさらに含む、請求項13に記載の方法。 - 無針注射器の製造方法であって、前記方法は、
アンプルを駆動端部のハウジングに組み立てるステップを含み、
前記アンプルは、アンプルハウジングの内部に摺動可能に配置されるプランジャ先端部を有するプランジャを備え、
前記ハウジングは、ピストンと、圧縮ばねと、前記ピストン内に位置するカム及び従動子と、を備え、
前記カム及び従動子組立体の従動子は、第1の方向に沿って変位するように配置され、
前記カム及び従動子組立体のカムは、前記第1の方向に対して角度のついた第2の方向に沿って変位するように配置される、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962826768P | 2019-03-29 | 2019-03-29 | |
US62/826,768 | 2019-03-29 | ||
PCT/US2020/025449 WO2020205615A1 (en) | 2019-03-29 | 2020-03-27 | Needleless injector and related methods |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2022527712A true JP2022527712A (ja) | 2022-06-03 |
Family
ID=72666323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021560340A Ceased JP2022527712A (ja) | 2019-03-29 | 2020-03-27 | 無針注射器及び関連方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220184314A1 (ja) |
EP (1) | EP3962557A4 (ja) |
JP (1) | JP2022527712A (ja) |
WO (1) | WO2020205615A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113384776B (zh) * | 2021-05-22 | 2022-08-12 | 宁波睿爱产品设计有限公司 | 一种多次注射的药物注射装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003088585A (ja) * | 2001-09-20 | 2003-03-25 | Soo Bong Choi | 血糖値測定可能なインシュリン自動注射器 |
US20060069355A1 (en) * | 2002-10-15 | 2006-03-30 | Jared Alden Judson And Kenneth Alan Ritsher | Medication dispensing apparatus with squeezable actuator |
JP2011520537A (ja) * | 2008-05-20 | 2011-07-21 | サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | ドラッグデリバリーデバイスでの使用に適した駆動アセンブリ及びドラッグデリバリーデバイス |
WO2018122394A1 (en) * | 2016-12-31 | 2018-07-05 | Novo Nordisk A/S | Plunger sub-assembly for a prefilled medicament injector, a prefilled medicament injector and method for assembling a prefilled medical injector |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US2605763A (en) * | 1948-01-31 | 1952-08-05 | Becton Dickinson Co | Injection device |
US3695266A (en) * | 1970-06-18 | 1972-10-03 | Maurice G Lussier | Needleless sequential dosing syringe |
US4089334A (en) * | 1976-10-07 | 1978-05-16 | Schwebel Paul R | Pyrotechnically powered needleless injector |
GB9118204D0 (en) * | 1991-08-23 | 1991-10-09 | Weston Terence E | Needle-less injector |
US5569189A (en) * | 1992-09-28 | 1996-10-29 | Equidyne Systems, Inc. | hypodermic jet injector |
US6957752B2 (en) * | 2001-10-16 | 2005-10-25 | Medical Instill Technologies, Inc. | Dispenser with sealed chamber and one-way valve for providing metered amounts of substances |
US6939319B1 (en) * | 2002-11-20 | 2005-09-06 | Conrad Anstead | Process and device for single use, needle-free intradermal, subcutaneous, or intramuscular injections |
JP5180195B2 (ja) * | 2006-06-07 | 2013-04-10 | アキュショット インク | 無針注射器用の充薬機構 |
ITFI20110193A1 (it) * | 2011-09-08 | 2013-03-09 | Menarini Int Operations Lu Sa | Dispositivo per l'iniezione automatica di due dosi di farmaco |
-
2020
- 2020-03-27 JP JP2021560340A patent/JP2022527712A/ja not_active Ceased
- 2020-03-27 WO PCT/US2020/025449 patent/WO2020205615A1/en unknown
- 2020-03-27 US US17/599,365 patent/US20220184314A1/en active Pending
- 2020-03-27 EP EP20783340.1A patent/EP3962557A4/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003088585A (ja) * | 2001-09-20 | 2003-03-25 | Soo Bong Choi | 血糖値測定可能なインシュリン自動注射器 |
US20060069355A1 (en) * | 2002-10-15 | 2006-03-30 | Jared Alden Judson And Kenneth Alan Ritsher | Medication dispensing apparatus with squeezable actuator |
JP2011520537A (ja) * | 2008-05-20 | 2011-07-21 | サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | ドラッグデリバリーデバイスでの使用に適した駆動アセンブリ及びドラッグデリバリーデバイス |
WO2018122394A1 (en) * | 2016-12-31 | 2018-07-05 | Novo Nordisk A/S | Plunger sub-assembly for a prefilled medicament injector, a prefilled medicament injector and method for assembling a prefilled medical injector |
Also Published As
Publication number | Publication date |
---|---|
US20220184314A1 (en) | 2022-06-16 |
EP3962557A1 (en) | 2022-03-09 |
WO2020205615A1 (en) | 2020-10-08 |
EP3962557A4 (en) | 2022-11-30 |
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