JP6275291B2 - 薬物自動注射器 - Google Patents
薬物自動注射器 Download PDFInfo
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- JP6275291B2 JP6275291B2 JP2016575307A JP2016575307A JP6275291B2 JP 6275291 B2 JP6275291 B2 JP 6275291B2 JP 2016575307 A JP2016575307 A JP 2016575307A JP 2016575307 A JP2016575307 A JP 2016575307A JP 6275291 B2 JP6275291 B2 JP 6275291B2
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- XHJDOBZIHXXFSP-RUXDESIVSA-N CCCCCC(CC1)CC1[C@H](CCC)I Chemical compound CCCCCC(CC1)CC1[C@H](CCC)I XHJDOBZIHXXFSP-RUXDESIVSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/16—Holders for containers
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- A—HUMAN NECESSITIES
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- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3202—Devices for protection of the needle before use, e.g. caps
- A61M5/3204—Needle cap remover, i.e. devices to dislodge protection cover from needle or needle hub, e.g. deshielding devices
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- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/34—Trays or like shallow containers
- B65D1/36—Trays or like shallow containers with moulded compartments or partitions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/02—Containers or packages with special means for dispensing contents for dispensing rod-shaped articles, e.g. needles
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- A—HUMAN NECESSITIES
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- 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
- A61M2005/2006—Having specific accessories
- A61M2005/2013—Having specific accessories triggering of discharging means by contact of injector with patient body
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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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2026—Semi-automatic, e.g. user activated piston is assisted by additional source of energy
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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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/206—With automatic needle insertion
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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
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M2005/31518—Piston or piston-rod constructions, e.g. connection of piston with piston-rod designed to reduce the overall size of an injection device, e.g. using flexible or pivotally connected chain-like rod members
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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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3257—Semi-automatic sleeve extension, i.e. in which triggering of the sleeve extension requires a deliberate action by the user, e.g. manual release of spring-biased extension means
- A61M2005/3258—Semi-automatic sleeve extension, i.e. in which triggering of the sleeve extension requires a deliberate action by the user, e.g. manual release of spring-biased extension means being compressible or compressed along the needle
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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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
- A61M2005/3267—Biased sleeves where the needle is uncovered by insertion of the needle into a patient's body
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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
- A61M5/008—Racks for supporting syringes or needles
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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
- A61M5/3129—Syringe barrels
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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
- A61M5/3129—Syringe barrels
- A61M5/3134—Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula
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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
- A61M5/46—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 having means for controlling depth of insertion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/003—Filling medical containers such as ampoules, vials, syringes or the like
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- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Pharmacology & Pharmacy (AREA)
- Ceramic Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
b.最も広く使われているプレフィルドシリンジの形、注射針付きのプレフィルドシリンジの場合、液体製剤の充填と封止部材とするピストンプッシュロッドが注射器の同一側に設置され、薬物溶液を充填した後に望ましくない気泡が発生する。
c.薬物注射終了後の事件、例えば、注射器回収又は注射針保護ケースの伸び出しは、すべてピストンプッシュロッドの相対位置によって制御される。これは部品とアセンブリの公差により、注射の早期終了の問題を引き起こす。
d.ピストンプッシュロッドが初期位置に固定されなく、かつ大気圧、温度又は機械振動などの影響により注射筒ゾーンに沿って移動する可能性がある。このような運動は無菌密封構造が破壊されることになる。
e.即ちプラスチック製/ポリマー製注射器は、現在の設計に従って製造されると、製造技術の制約により、注射針側の注射器内径はいつもピストン側の注射器内径より少し小さくなる。一方、自動注射器において使わるピストンを駆動するスプリングは、注射器の針側に到達すると少しの機械力が発生する。以上の設計により、注射器の設計者は必要無しの強力なスプリングを使用することにより、保存又は注射操作過程において、部品の無効化を引き起こすことがある。
以上の原因から、ユーザは新規な設計に基づく注射装置が必要である。
2) 弾性スプリングにより駆動されるピストンであって、薬物を容器本体から押し出すために用いられる;
3)ピストンの反対側に設置される針アセンブリ(中空針の自動注射装置のサブアセンブリを含む)。本発明の目的は従来技術の一つ以上の欠点を克服することである。
そして、ピストンプッシュロッド104とコネクタ102が形成した変形可能なラッチロック機構が解除され、付勢スプリング103がピストン104を注射装置の遠位端へ移動するように駆動させる。従って、容器本体105における液体薬物110が患者の体内に注入される。従来のプレフィルドシリンジに基づく自動注射器に比べて、注射器アセンブリによる実施例10のピストンが固定され、全体の大きさも著しく小さい。
注射する過程において、注射器アセンブリ60が患者皮膚の注射部位に押し付けられる。
圧縮可能な部品609aが引き込まれる。注射針108が弾性針密封キャップ609cを貫通し、皮膚に刺して薬物を注射する。この設計により、ユーザが注射する前に針密封キャップを外すステップを省略することができる。
注射する前に、容器本体705が拘束状態にある針キャップと一緒にあることを表す。注射針108は接着剤又はインサート成形を介して針キャップ107の上にカシメされる。針密封キャップ309が注射針108の密封に用いられる。針キャップ707上の機構707aとハウジング710上の機構710bにより形成する可変形のラッチロック機構で、針キャップ707が拘束され、駆動スプリング703の付勢弾力に抵抗する。プッシュキャップ701が遠位端向きに押されるとき、プッシュキャップ701上の遠位端向きのテーパ作動面701bと針キャップ707上の機構707a上の内向きテーパ係合面と係合する。接触面の係合を通じて、事前設定されたプッシュキャップ701の下向き運動が、針キャップ707上の機構707aを内向きに運動させる。キャップ707とハウジング710とで形成されたラッチロック機構が解除され、駆動スプリング703が針キャップ707と容器本体705及び注射針108を一緒に注射装置の遠位端向きに移動するように駆動させる。それで、注射針108が患者の体内に刺される。ハウジング710上の機構710aが針キャップ707の遠位端向きの過剰運動を阻止するために用いられる。同時にピストン504上の拘束機構504bを左向き曲げに押して、容器本体705上の機構705aを遠く離れる。この実施例において,プッシュキャップ701が注射器アセンブリ70の遠位端に押される時、プッシュキャップ701がピストン504と針キャップ707の解除を活性化する。
Claims (8)
- 遠位端と近位端を有する容器本体と、
薬物を注射する前に前記容器本体の前記近位端にロックされるピストンと、
前記ピストンを遠位端方向に付勢するためのスプリングと、
前記スプリングの付勢力に対抗してロック状態に前記ピストンを解除可能に拘束する解除可能な拘束装置であって、前記解除可能な拘束装置の解除によって、前記ピストンが前記スプリングの弾性力により前記容器本体の前記遠位端方向に移動するように設計されている解除可能な拘束装置と、
前記解除可能な拘束装置を解除するように設計されている活性化装置と、
前記容器本体の前記遠位端に存在する針キャップと、
前記容器本体の前記遠位端に存在する注射針と、
前記注射針を密封するために用いられる針密封キャップとを備える薬物自動注射器。 - 前記容器本体は筒状内部構造を有し、前記近位端の内径が前記遠位端の内径より小さい請求項1記載の薬物自動注射器。
- 前記針密封キャップは、手持ち装置を有する請求項1記載の薬物自動注射器。
- 前記針密封キャップは、薬物注射時に、前記注射針に突刺される請求項1記載の薬物自動注射器。
- さらに前記容器本体と前記針キャップの間にシールリングを含む請求項1記載の薬物自動注射器。
- さらに、前記注射針を薬物の注射部位に自動的に挿入するように設計された自動注射針の挿入装置を含む請求項1記載の薬物自動注射器。
- さらに、薬物投与終了時に前記注射針を引き抜くように設計された注射針引き抜き装置を含む請求項1記載の薬物自動注射器。
- さらに、薬物投与終了時に前記注射針を少なくとも部分的にカバーするために、シースを外側に張り出すように形状化された自動注射針保護装置を含む請求項1記載の薬物自動注射器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461951590P | 2014-03-12 | 2014-03-12 | |
US61/951,590 | 2014-03-12 | ||
PCT/US2015/019326 WO2015138261A1 (en) | 2014-03-12 | 2015-03-07 | Automatic medication injection device |
Publications (2)
Publication Number | Publication Date |
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JP2017512117A JP2017512117A (ja) | 2017-05-18 |
JP6275291B2 true JP6275291B2 (ja) | 2018-02-07 |
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JP2016575307A Active JP6275291B2 (ja) | 2014-03-12 | 2015-03-07 | 薬物自動注射器 |
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US (1) | US10881796B2 (ja) |
EP (1) | EP3116568B1 (ja) |
JP (1) | JP6275291B2 (ja) |
CN (1) | CN106456883B (ja) |
WO (1) | WO2015138261A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009044401A2 (en) | 2007-10-02 | 2009-04-09 | Yossi Gross | External drug pump |
WO2016069221A1 (en) * | 2014-10-30 | 2016-05-06 | Pharmajet Inc | Needle free syringe and pre-filling system |
US10576207B2 (en) | 2015-10-09 | 2020-03-03 | West Pharma. Services IL, Ltd. | Angled syringe patch injector |
CN112972833B (zh) | 2015-10-09 | 2024-01-09 | 西医药服务以色列分公司 | 注射器针帽脱离器 |
JP6885960B2 (ja) | 2016-01-21 | 2021-06-16 | ウェスト ファーマ サービシーズ イスラエル リミテッド | 視覚的インジケータを有する薬剤デリバリデバイス |
CN109310816B (zh) | 2016-01-21 | 2020-04-21 | 西医药服务以色列有限公司 | 针***和缩回机构 |
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WO2015138261A1 (en) | 2015-09-17 |
JP2017512117A (ja) | 2017-05-18 |
EP3116568A1 (en) | 2017-01-18 |
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EP3116568B1 (en) | 2021-07-07 |
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