JP6042816B2 - 液体注入具 - Google Patents
液体注入具 Download PDFInfo
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- JP6042816B2 JP6042816B2 JP2013535999A JP2013535999A JP6042816B2 JP 6042816 B2 JP6042816 B2 JP 6042816B2 JP 2013535999 A JP2013535999 A JP 2013535999A JP 2013535999 A JP2013535999 A JP 2013535999A JP 6042816 B2 JP6042816 B2 JP 6042816B2
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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
- A61M5/31—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
-
- 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
- A61M5/32—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
-
- 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
-
- 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
- A61M2005/2006—Having specific accessories
- A61M2005/2013—Having specific accessories triggering of discharging means by contact of injector with patient body
-
- 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
- A61M2005/2073—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically preventing premature release, e.g. by making use of a safety lock
- A61M2005/208—Release is possible only when device is pushed against the skin, e.g. using a trigger which is blocked or inactive when the device is not pushed against the skin
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
(1) 先端に開口する開口部を有する筒体で構成され、前記開口部の縁部が生体表面に宛がわれる生体当接部材と、
前記生体当接部材の内側に配置され、筒状をなし、その内腔部に液体が充填された本体と、前記本体の先端部に配置され、該本体と連通し、先端に鋭利な針先を有する中空針とを備え、前記生体当接部材が生体表面に宛がわれた状態で、前記針先が前記開口部よりも基端側に位置する第1の位置と、前記針先が前記開口部よりも先端側に突出して生体表面を穿刺する第2の位置とに移動可能に支持された内側構造体と、
前記内側構造体に着脱自在に装着され、その装着状態で前記内側構造体とともに前記生体当接部材の内部を移動可能であり、前記第2の位置で前記生体当接部材に対して固定される固定部を有する規制部材とを備え、
前記規制部材は、前記内側構造体が前記第1の位置から前記第2の位置に移動して再度前記第1の位置に戻る際に、前記第2の位置で前記固定部によって前記生体当接部材に対し固定されるとともに、前記内側構造体から離脱して、その位置で留まり、前記開口部付近の少なくとも一部を覆い、
前記規制部材は、再度前記第1の位置に戻った前記内側構造体が再度前記第2の位置に移動するのを規制する機能を有することを特徴とする液体注入具。
前記固定部は、先端側と基端側とから前記突出部を挟持するよう構成されている上記(1)に記載の液体注入具。
前記規制部材は、リング状をなすものであり、その壁部には、前記内側構造体が再度前記第1の位置に戻る際にその方向への前記楔部の通過を許可するが、反対方向への前記楔部の通過を禁止する欠損部が形成されている上記(1)に記載の液体注入具。
図1〜図6は、本発明の液体注入具の使用状態を順に示す縦断面図、図7は、図1〜図6に示す液体注入具での本体と規制部材とを示す分解斜視図、図8および図9は、それぞれ、図7に示す本体と規制部材との位置関係を示す図(図8が液体注入具の穿刺時状態での位置関係を示し、図9が液体注入具の穿刺後状態での位置関係を示す)である。なお、以下では、説明の都合上、図1〜図9中の上側を「基端」、下側を「先端」と言う。
この押し子23の基端部には、外径が拡径した指当て部231が形成されている。押し子23を押圧操作する際には、指当て部231に例えば親指を当て、その押圧操作を行なうことができる。そして、この押圧操作により、ガスケット22が前進して、薬液100を口部212から押し出すことができる。
[1] 図1に示すように、未使用状態の液体注入具1を用意する。この液体注入具1には、キャップ7が装着されているため、使用に際しキャップ7を取り外す。
そして、本発明によれば、規制部材で生体当接部材の開口部付近を確実に覆うことができる。これにより、穿刺後に液体注入具を生体表面から離間させた際に、例えば操作者の指先(手指等)が生体当接部材の開口部から内側に侵入しても、規制部材で当該指先のそれ以上の進入を規制することができる。よって、中空針の針先による指先の誤刺を確実に防止することができる。従って、液体注入具は、使用後の安全性に優れたものとなっており、産業上の利用可能性を有する。
2 内側構造体
21 筒体
211 胴部
212 口部
213、214 フランジ部
215 先端面
22 ガスケット
23 押し子
231 指当て部
232 突出部
24 中空針
241 針先
25 楔部
251 最大幅部
3 生体当接部材
31 先端開口部
32 基端開口部
33 当て部
34 突出部
35 段差部
36、37 ストッパ部
4 把持部材
41 支持部
42 スリット
43 先端
5 コイルバネ
51 先端
52 基端
6 規制部材
61 フランジ部
62 突片
621 爪
63 欠損部
631 最小幅部
7 キャップ
100 薬液(液体)
200 生体表面
Claims (8)
- 先端に開口する開口部を有する筒体で構成され、前記開口部の縁部が生体表面に宛がわれる生体当接部材と、
前記生体当接部材の内側に配置され、筒状をなし、その内腔部に液体が充填された本体と、前記本体の先端部に配置され、該本体と連通し、先端に鋭利な針先を有する中空針とを備え、前記生体当接部材が生体表面に宛がわれた状態で、前記針先が前記開口部よりも基端側に位置する第1の位置と、前記針先が前記開口部よりも先端側に突出して生体表面を穿刺する第2の位置とに移動可能に支持された内側構造体と、
前記内側構造体に着脱自在に装着され、その装着状態で前記内側構造体とともに前記生体当接部材の内部を移動可能であり、前記第2の位置で前記生体当接部材に対して固定される固定部を有する規制部材とを備え、
前記規制部材は、前記内側構造体が前記第1の位置から前記第2の位置に移動して再度前記第1の位置に戻る際に、前記第2の位置で前記固定部によって前記生体当接部材に対し固定されるとともに、前記内側構造体から離脱して、その位置で留まり、前記開口部付近の少なくとも一部を覆い、
前記規制部材は、再度前記第1の位置に戻った前記内側構造体が再度前記第2の位置に移動するのを規制する機能を有することを特徴とする液体注入具。 - 前記規制部材は、前記開口部よりも基端側で、該開口部付近の少なくとも一部を覆う請求項1に記載の液体注入具。
- 前記規制部材は、リング状をなすものであり、その内径は、指先の進入を規制する程度の大きさである請求項1に記載の液体注入具。
- 前記生体当接部材は、その軸方向の途中に内周部から突出した突出部を有し、
前記固定部は、先端側と基端側とから前記突出部を挟持するよう構成されている請求項1に記載の液体注入具。 - 前記本体は、その外周部に突出形成され、側面視で幅が先端方向に向かって漸増する楔状の楔部を有し、
前記規制部材は、リング状をなすものであり、その壁部には、前記内側構造体が再度前記第1の位置に戻る際にその方向への前記楔部の通過を許可するが、反対方向への前記楔部の通過を禁止する欠損部が形成されている請求項1に記載の液体注入具。 - 前記内側構造体は、前記本体内で摺動し得るガスケットと、前記ガスケットに連結され、該ガスケットを移動操作する押し子とを有する請求項1に記載の液体注入具。
- 前記内側構造体の外周側に配置され、該内側構造体を移動操作するときに把持される把持部材をさらに備える請求項1に記載の液体注入具。
- 前記内側構造体を基端方向に向かって付勢する付勢部材をさらに備える請求項1に記載の液体注入具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011209642 | 2011-09-26 | ||
JP2011209642 | 2011-09-26 | ||
PCT/JP2012/067581 WO2013046855A1 (ja) | 2011-09-26 | 2012-07-10 | 液体注入具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013046855A1 JPWO2013046855A1 (ja) | 2015-03-26 |
JP6042816B2 true JP6042816B2 (ja) | 2016-12-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013535999A Active JP6042816B2 (ja) | 2011-09-26 | 2012-07-10 | 液体注入具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9192729B2 (ja) |
EP (1) | EP2762185A4 (ja) |
JP (1) | JP6042816B2 (ja) |
CN (1) | CN103842008B (ja) |
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EP3127572B1 (en) | 2014-03-31 | 2021-12-22 | Terumo Kabushiki Kaisha | Prefilled syringe |
US10702652B2 (en) * | 2016-11-15 | 2020-07-07 | Adam Teach | Injection device |
US10300218B2 (en) * | 2017-03-22 | 2019-05-28 | Shl Medical Ag | Safety assembly for a medical delivery device |
CN107569746A (zh) * | 2017-07-14 | 2018-01-12 | 西北工业大学 | 单轴控制自动定位定量注入机构 |
AU2022223712A1 (en) | 2021-02-19 | 2023-10-05 | Sanofi Pasteur Inc. | Meningococcal b recombinant vaccine |
TW202423477A (zh) | 2022-08-03 | 2024-06-16 | 美商賽諾菲巴斯德公司 | 針對腦膜炎奈瑟氏菌b的含佐劑免疫原性組成物 |
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FR2618681A1 (fr) * | 1987-07-31 | 1989-02-03 | Spiral | Procede et dispositif d'administration utile notamment dans le domaine de la perfusion |
ES2015427A6 (es) * | 1989-07-21 | 1990-08-16 | Sempere Escudero Philippe | Dispositivo protector de alta seguridad para agujas de inyecciones. |
US6102896A (en) * | 1999-09-08 | 2000-08-15 | Cambridge Biostability Limited | Disposable injector device |
TW526069B (en) | 2001-04-10 | 2003-04-01 | Sod Conseils Rech Applic | Injection device |
US7731678B2 (en) * | 2004-10-13 | 2010-06-08 | Hyprotek, Inc. | Syringe devices and methods for mixing and administering medication |
FR2884721A1 (fr) * | 2005-04-20 | 2006-10-27 | Becton Dickinson France Soc Pa | Ensemble d'injection et dispositif d'assistance a l'injection |
EP1893259B1 (en) * | 2005-04-20 | 2018-04-18 | Becton Dickinson France | Injection set and injection assistance device |
EP1904131A2 (en) * | 2005-06-21 | 2008-04-02 | Eli Lilly And Company | Apparatus and method for injecting a pharmaceutical |
WO2007002053A2 (en) * | 2005-06-21 | 2007-01-04 | Eli Lilly And Company | Needled pharmaceutical delivery device with triggered automatic needle insertion and manually controlled pharmaceutical injection |
JP2007215863A (ja) | 2006-02-17 | 2007-08-30 | Terumo Corp | 医療用具 |
DE102006041809B4 (de) * | 2006-09-06 | 2012-11-15 | Tecpharma Licensing Ag | Nadelschutzvorrichtung mit Blockiereinrichtung |
US20080228147A1 (en) * | 2007-03-15 | 2008-09-18 | Bristol-Myers Squibb Company | Injector for use with pre-filled syringes and method of assembly |
DK2173410T3 (da) | 2007-07-10 | 2011-06-06 | Unomedical As | Inserter med to fjedre |
GB0724907D0 (en) * | 2007-12-20 | 2008-01-30 | Ucb Pharma Sa | Auto-injector |
CN102209566B (zh) * | 2008-09-29 | 2014-03-26 | 贝克顿迪金森法国公司 | 自动注射装置 |
GB2467904B (en) * | 2009-02-17 | 2013-06-12 | Oval Medical Technologies Ltd | Drug container and delivery mechanism |
EP2272553A1 (en) * | 2009-06-29 | 2011-01-12 | Unomedical A/S | Inserter Assembly |
EP2399635A1 (en) * | 2010-06-28 | 2011-12-28 | Sanofi-Aventis Deutschland GmbH | Auto-injector |
EP2399631A1 (en) * | 2010-06-28 | 2011-12-28 | Sanofi-Aventis Deutschland GmbH | Auto-injector with injection damper |
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- 2012-07-10 JP JP2013535999A patent/JP6042816B2/ja active Active
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CN103842008A (zh) | 2014-06-04 |
WO2013046855A1 (ja) | 2013-04-04 |
EP2762185A4 (en) | 2015-05-13 |
US20140207077A1 (en) | 2014-07-24 |
EP2762185A1 (en) | 2014-08-06 |
CN103842008B (zh) | 2016-09-14 |
US9192729B2 (en) | 2015-11-24 |
JPWO2013046855A1 (ja) | 2015-03-26 |
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