JP7100228B2 - 注射器ペン - Google Patents
注射器ペン Download PDFInfo
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- JP7100228B2 JP7100228B2 JP2021523768A JP2021523768A JP7100228B2 JP 7100228 B2 JP7100228 B2 JP 7100228B2 JP 2021523768 A JP2021523768 A JP 2021523768A JP 2021523768 A JP2021523768 A JP 2021523768A JP 7100228 B2 JP7100228 B2 JP 7100228B2
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- piston rod
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- 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
- A61M5/31555—Mechanically operated dose setting member by purely axial movement of dose setting member, e.g. during setting or filling of a syringe
-
- 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
- A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
-
- 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
-
- 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
- A61M5/31525—Dosing
- A61M5/31526—Dosing by means of stepwise axial movements, e.g. ratchet mechanisms or detents
-
- 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
- A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
- A61M5/31541—Means preventing setting of a dose beyond the amount remaining in the cartridge
-
- 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
- A61M5/3155—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe
- A61M5/31551—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe including axial movement of 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
- A61M5/31—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
-
- 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
-
- 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
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with 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
- 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
- A61M5/3155—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe
- A61M5/31553—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe without axial movement of 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
- A61M5/31—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
- A61M5/31583—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod
- A61M5/31585—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod performed by axially moving actuator, e.g. an injection button
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- 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
Claims (10)
- ピストンロッドガイド(20)と、
前記ピストンロッドガイド(20)に対して軸方向に移動することなく回転するように構成されたピストンロッド駆動部(24)と、
前記ピストンロッド駆動部(24)の回転が前記ピストンロッドガイド(20)に対する軸方向移動を駆動するように、前記ピストンロッド駆動部(24)及び前記ピストンロッドガイド(20)に連結されたピストンロッド(16)と、
前記ピストンロッド駆動部(24)を第1の回転方向にのみ回転させ、前記ピストンロッド(16)を第1の軸方向に移動させる第1の環状ラチェット(26)と、
前記ピストンロッドガイド(20)に対して軸方向に移動することなく前記第1の回転方向または反対側の第2の回転方向に回転するように構成された伝達要素(30)と、
前記伝達要素(30)の回転を引き起こす操作部と、
前記伝達要素(30)を前記ピストンロッド駆動部(24)に対して選択的に係合する第2の環状ラチェット(34)と、を備えており、
前記第2の環状ラチェット(34)が前記伝達要素(30)を前記ピストンロッド駆動部(24)に係合しないことにより、前記第2の回転方向における前記伝達要素(30)の回転は、前記ピストンロッド駆動部(24)に伝達されず、
前記第2の環状ラチェット(34)は、その円周の周りに等間隔に配置されたn個の係合位置を含み、
前記伝達要素(30)が前記第2の環状ラチェット(34)の係合を可能にするのに十分な所定の角度である360/n度だけ前記係合位置のひとつから前記第2の回転方向に予め回転されている場合にのみ、前記第2の環状ラチェット(34)が前記伝達要素(30)と前記ピストンロッド駆動部(24)に対して係合して、前記伝達要素(30)の前記第1の回転方向への回転が前記ピストンロッド駆動部(24)に伝達される、
注射器ペン。 - 前記伝達要素(30)の前記第1の回転方向への前記360/n度の回転に伴う前記ピストンロッド駆動部(24)の360/n度の回転は、前記ペンから所定の用量の薬剤を送達するのに必要な距離だけ前記ピストンロッド(16)を前進させる、請求項1に記載の注射器ペン。
- n=2である、請求項2に記載の注射器ペン。
- 前記第2の環状ラチェット(34)の各係合位置は、ラチェットアーム(38)が凹部(36)に係合可能な角度位置であり、前記凹部(36)と前記ラチェットアーム(38)との断面形状は、前記伝達要素(30)が前記第2の回転方向に回転するときに前記ラチェットアーム(38)が前記凹部(36)を乗り越えるが、前記伝達要素(30)が前記第1の回転方向に回転するときに前記ラチェットアーム(38)が前記凹部(36)に係合するようになっている、請求項2または請求項3に記載の注射器ペン。
- 前記凹部(36)は、前記伝達要素(30)の内周面に形成された軸方向溝であり、前記ラチェットアーム(38)は、前記ピストンロッド駆動部(24)から外方に延びている、請求項4に記載の注射器ペン。
- さらに最後の用量ロックアウト機構(42,44)を含んでおり、前記ピストンロッド(16)が所定の軸方向位置に移動したときに、前記第2の環状ラチェット(34)の離脱が防止されると共に、前記第1及び第2の環状ラチェット(26,34)が、前記伝達要素(30)が前記第2の回転方向に回転するのを防止する、請求項4または請求項5に記載の注射器ペン。
- 前記最後の用量ロックアウト機構(42,44)は、前記第2の環状ラチェット(34)の前記アーム(38)の後方で駆動されるとき、前記アーム(38)が前記第2の環状ラチェット(34)の前記凹部(36)から外れることを防止する楔(52)を含む、請求項6に記載の注射器ペン。
- 前記操作部は、前記ピストンロッドガイド(20)に対して回転することなく、第1の軸方向又は反対の第2の軸方向に移動するように構成された注射器要素(4)と、
前記第1又は第2の軸方向における前記注射器要素(4)の軸方向の移動により、前記伝達要素(30)が前記第1又は第2の回転方向にそれぞれ回転するように構成される、前記注射器要素(4)と前記伝達要素(30)との間の螺旋状の連結部(31,32)と、
をさらに含んでいる、請求項1~7のいずれかに記載の注射器ペン。 - 前記ピストンロッド(16)と前記ピストンロッド駆動部(24)との間のねじ連結部(17,25)と、前記ピストンロッド(16)と前記ピストンロッドガイド(20)との間に非回転連結部(18,21)とを含んでおり、
前記ねじ連結部(17,25)回りの前記ピストンロッド駆動部(24)の回転により、前記ピストンロッド(16)を前記ピストンロッドガイド(20)に対して回転させることなく軸方向に移動させる請求項1~8のいずれかに記載の注射器ペン。 - 前記ピストンロッド(16)と前記ピストンロッド駆動部(24)との間の共回り結合部と、前記ピストンロッド(16)と前記ピストンロッドガイド(20)との間のねじ結合部とを含んでおり、
前記ピストンロッド駆動部(24)の回転により前記ピストンロッド(16)が回転し、前記ピストンロッドガイド(20)の前記ねじ結合部内の前記ピストンロッド(16)の回転が前記ピストンロッド(16)を軸方向に移動させる請求項1~8のいずれかに記載の注射器ペン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1904051.8 | 2019-03-25 | ||
GB1904051.8A GB2582565B (en) | 2019-03-25 | 2019-03-25 | Fixed dose injector pens |
PCT/EP2020/058428 WO2020193661A1 (en) | 2019-03-25 | 2020-03-25 | Fixed dose injector pens |
Publications (2)
Publication Number | Publication Date |
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JP2021534929A JP2021534929A (ja) | 2021-12-16 |
JP7100228B2 true JP7100228B2 (ja) | 2022-07-13 |
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JP2021523768A Active JP7100228B2 (ja) | 2019-03-25 | 2020-03-25 | 注射器ペン |
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Country | Link |
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US (1) | US11020534B2 (ja) |
EP (1) | EP3836993A1 (ja) |
JP (1) | JP7100228B2 (ja) |
CN (1) | CN113226411B (ja) |
CA (1) | CA3115395C (ja) |
GB (1) | GB2582565B (ja) |
WO (1) | WO2020193661A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017158033A1 (en) * | 2016-03-15 | 2017-09-21 | Sanofi | Dosing mechanism for multi-shot injection device comprising flexible ratchet element |
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JP2006501036A (ja) | 2002-10-01 | 2006-01-12 | ベクトン・ディキンソン・アンド・カンパニー | 薬物投与ペン |
JP2013518644A (ja) | 2010-02-02 | 2013-05-23 | 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 | 薬物送達デバイス用のアセンブリ及び薬物送達デバイス |
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Publication number | Publication date |
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CN113226411A (zh) | 2021-08-06 |
CN113226411B (zh) | 2022-10-11 |
GB2582565A (en) | 2020-09-30 |
GB201904051D0 (en) | 2019-05-08 |
US20200306451A1 (en) | 2020-10-01 |
US11020534B2 (en) | 2021-06-01 |
JP2021534929A (ja) | 2021-12-16 |
CA3115395C (en) | 2022-04-12 |
CA3115395A1 (en) | 2020-10-01 |
GB2582565B (en) | 2021-05-05 |
EP3836993A1 (en) | 2021-06-23 |
WO2020193661A1 (en) | 2020-10-01 |
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