JP5107370B2 - 不正使用防止機能を持つ無効化機構を有する注射器アセンブリ - Google Patents
不正使用防止機能を持つ無効化機構を有する注射器アセンブリ Download PDFInfo
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Images
Classifications
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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
- A61M5/50—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 preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5066—Means for preventing re-use by disconnection of piston and 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
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M5/31515—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
- A61M5/50—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 preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling 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
- A61M5/50—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 preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
- A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
- A61M2005/5033—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston by use of an intermediate blocking member positioned between the syringe barrel and the piston rod to prevent retraction of the latter, e.g. toothed clip placed 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
- 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
- A61M5/50—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 preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5066—Means for preventing re-use by disconnection of piston and piston-rod
- A61M2005/5073—Means for preventing re-use by disconnection of piston and piston-rod by breaking or rupturing the connection parts
-
- 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
- A61M5/28—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
-
- 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
- A61M5/31536—Blocking means to immobilize a selected dose, e.g. to administer equal doses
-
- 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
- A61M5/50—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 preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
- A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
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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)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Description
Claims (18)
- 流体を保持する室を画定する内側表面を有する円筒状の側壁、開口基端部、及びそれを貫通し、前記室に流体連通する通路を有する末端壁を含んでいる末端部を含むバレル、
基端部、内部表面を有する側壁を含んでいる開口末端部であって、前記側壁が軸方向の開口部を有する開口末端部、前記内部表面上の少なくとも1つの戻り止め、及び前記開口部内に突出する位置決め突起であって、末端面及び基端面を有する位置決め突起を有する細長いプランジャ・ロッド、
前記バレルの前記内側表面とともにシールを形成する周囲面を有する円形形状のシール要素、前記シール要素から基端方向に突出するボス部材、前記ボス上の少なくとも1つのボス用戻り止め、壊れ易い連結部により前記ストッパに連結され、前記プランジャの前記位置決め突起を受け入れ、軸方向凹部内における前記位置決め突起の軸方向の移動を制限する、基端縁部を有する前記軸方向凹部を画定している保持部材を含むストッパ、
そこを貫通する開口部を有する中央本体部分、前記本体部分から末端方向外側に向って延びる少なくとも1つの片持ち梁状脚部であって、前記バレルの前記内側表面に係合する、外側に向けられている尖った自由端を有する片持ち梁状脚部、及び前記開口部から基端方向内側に向って延びる少なくとも1つのフィンガ要素を含むロック要素、
を備え、
前記ロック要素は、前記尖った自由端が前記少なくとも1つの戻り止めの基端側で前記プランジャ・ロッドの前記内部表面に接触するように配置され、前記ボス部材は、前記ロック要素の前記開口部に配置され、前記少なくとも1つのフィンガ要素は、前記少なくとも1つのボス用戻り止めの基端側で前記ボスに接触しており、その結果、前記バレルを保持している間に基端方向に向けられた力を前記プランジャ・ロッドに加えることが、前記片持ち梁状の脚部の前記自由端が前記プランジャ・ロッドの前記内部表面に沿って前記少なくとも1つの戻り止めまで末端方向に移動し、前記位置決め突起の基端面が前記保持要素の前記基端縁部に接触し、選択された距離にわたって前記ストッパを基端方向に移動させるまで、前記ストッパに対して前記プランジャ・ロッドを基端方向に移動させ、続いて、前記室から前記通路を通って流体を排出するために、末端方向に向けられた力を前記プランジャ・ロッドに加えることが、前記ロック要素の前記フィンガ要素が前記少なくとも1つのボス用戻り止めを乗り越え、前記少なくとも1つのボス用戻り止めに接触し、前記プランジャ・ロッドが前記ストッパに接触し、前記ストッパを末端方向に移動させ、前記室から流体を排出するまで、前記少なくとも1つの戻り止めにそれが係合していることにより、前記ロック要素とともに前記プランジャ・ロッドを末端方向に移動させ、その後、基端方向に向けられた力を前記プランジャ・ロッドに加えることが、前記少なくとも1つの片持ち梁状脚部の前記尖った自由端が前記バレルの前記内側表面に係合し、前記ストッパの基端方向への移動を阻止することを助け、注射器アセンブリを無効にするように、前記片持ち梁状脚部の前記自由端が前記プランジャ・ロッドの前記末端部を過ぎて前記内部表面に沿って末端方向に移動するまで、前記プランジャ・ロッドを基端方向に移動させることを特徴とする無効化構造を有する使用可能な注射器アセンブリ。 - 前記少なくとも1つの片持ち梁状脚部の前記尖った自由端が前記バレルの内側表面に係合した後に、さらなる基端方向に向けられた力をプランジャ・ロッドに加えることが、前記位置決め突起の基端面を前記保持要素の前記基端縁部に接触させ、前記ストッパとの前記壊れ易い連結部を分断し、ストッパを前記プランジャ・ロッドとの係合から解放することを特徴とする請求項1に記載の注射器アセンブリ。
- 前記位置決め突起は、少なくとも2つの位置決め突起を含むことを特徴とする請求項1に記載の注射器アセンブリ。
- 前記軸方向の開口部は、2つの軸方向の開口部を含み、前記位置決め突起は、各前記軸方向の開口部内に突出する少なくとも1つの位置決め突起を含み、前記ストッパは、前記軸方向の開口部のそれぞれと整列する軸方向凹部を含むことを特徴とする請求項1に記載の注射器アセンブリ。
- 前記軸方向の開口部それぞれは、少なくとも2つの位置決め突起を含むことを特徴とする請求項4に記載の注射器アセンブリ。
- 前記ストッパとの組み立て中に前記位置決め突起が外側に向って撓むことを可能とするために、前記位置決め突起と前記プランジャ・ロッドの前記側壁とを接続する可撓性要素を含むことを特徴とする請求項1に記載の注射器アセンブリ。
- 前記位置決め突起及び前記可撓性要素は、熱可塑性プラスチック材料から一体的に形成されることを特徴とする請求項6に記載の注射器アセンブリ。
- 前記ストッパの前記保持要素は、前記注射器アセンブリの組み立て中に前記位置決め要素を外側に向って撓ませるために、基端方向に且つ内側に向けられた斜面をさらに含むことを特徴とする請求項6に記載の注射器アセンブリ。
- 前記プランジャ・ロッドの基端方向への移動が前記ロック要素を前記バレルの前記内側表面に係合させる前に、前記プランジャ・ロッドが末端方向に2回移動し得るように、前記プランジャ・ロッド内の前記少なくとも1つの戻り止めは、軸方向に区切られた2つの戻り止めを含み、且つ、前記ボス上の前記少なくとも1つの戻り止めは、軸方向に区切られた2つの戻り止めを含むことを特徴とする請求項1に記載の注射器アセンブリ。
- 前記プランジャ・ロッド内の前記軸方向に区切られた2つの戻り止めは、それぞれがその末端部において前記内部表面から内側に向って延びるブラント面を有する、軸方向に区切られた2つの段部を含むことを特徴とする請求項9に記載の注射器アセンブリ。
- 前記軸方向に区切られた2つのボス用戻り止めは、それぞれ、基端方向内側に向って延びる傾斜面及び前記傾斜面それぞれの末端部において半径方向内側に向って延びるブラント面を含むことを特徴とする請求項9に記載の注射器アセンブリ。
- 前記ロック要素の前記少なくとも1つの片持ち梁状脚部は、前記中央本体部分の反対側に配置される2つの片持ち梁状脚部を含み、軸方向に区切られたさらなる2つの戻り止めが、前記軸方向に区切られた2つの戻り止めに対向して前記プランジャ・ロッドに設けられることを特徴とする請求項9に記載の注射器アセンブリ。
- 前記ロック要素の前記バレルの前記内側表面との係合に打ち勝とうとして、基端方向に向けられた過大な力が前記プランジャ・ロッドに加えられたとき、前記2つの片持ち梁状脚部に係合し、これを外側に向って押し出すように配置される、前記ストッパ上の2つの半径方向の突出部をさらに含むことを特徴とする請求項12に記載の注射器アセンブリ。
- 前記プランジャ・ロッドは、末端部分に対して基端部分を回転させるのに必要とされる接線力が前記末端部分から前記基端部分を分離するのに必要とされる軸方向の力より小さいように連結される、末端部分と基端部分を含むことを特徴とする請求項1に記載の注射器アセンブリ。
- 前記バレルの前記末端壁は、前記末端壁の通路と流体連通する通路を有する、末端壁から末端方向に延びる細長い先端部をさらに含むことを特徴とする請求項1に記載の注射器アセンブリ。
- 末端部、基端部及びそれを貫通する内腔を有する針カニューレをさらに含み、前記針カニューレの前記基端部は、前記内腔が前記通路と流体連通するように、前記バレルの前記末端部に連結されることを特徴とする請求項1に記載の注射器アセンブリ。
- 前記ロック要素は、金属薄板から作られることを特徴とする請求項1に記載の注射器アセンブリ。
- 前記ストッパは、熱可塑性プラスチック材料から一体的に形成されることを特徴とする請求項1に記載の注射器アセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/681,804 US7399293B2 (en) | 2003-07-30 | 2007-03-05 | Syringe assembly having disabling mechanism with tamper resistance features |
US11/681,804 | 2007-03-05 | ||
PCT/US2008/055847 WO2008109630A1 (en) | 2007-03-05 | 2008-03-05 | Syringe assembly having disabling mechanism with tamper resistance features |
Publications (2)
Publication Number | Publication Date |
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JP2010520031A JP2010520031A (ja) | 2010-06-10 |
JP5107370B2 true JP5107370B2 (ja) | 2012-12-26 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009552846A Active JP5107370B2 (ja) | 2007-03-05 | 2008-03-05 | 不正使用防止機能を持つ無効化機構を有する注射器アセンブリ |
Country Status (12)
Country | Link |
---|---|
US (1) | US7399293B2 (ja) |
EP (1) | EP2131902B1 (ja) |
JP (1) | JP5107370B2 (ja) |
CN (1) | CN101663062B (ja) |
AT (1) | ATE508762T1 (ja) |
AU (1) | AU2008222910B2 (ja) |
BR (1) | BRPI0808477B8 (ja) |
DK (1) | DK2131902T3 (ja) |
ES (1) | ES2366495T3 (ja) |
MX (1) | MX2009009435A (ja) |
WO (1) | WO2008109630A1 (ja) |
ZA (1) | ZA200906288B (ja) |
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JP4994775B2 (ja) | 2006-10-12 | 2012-08-08 | 日本コヴィディエン株式会社 | 針先保護具 |
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US9480797B1 (en) | 2015-10-28 | 2016-11-01 | Bayer Healthcare Llc | System and method for syringe plunger engagement with an injector |
AR110879A1 (es) | 2017-01-06 | 2019-05-15 | Bayer Healthcare Llc | Émbolo de jeringa con sello dinámico |
US11883636B2 (en) | 2018-02-27 | 2024-01-30 | Bayer Healthcare Llc | Syringe plunger engagement mechanism |
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JP2023530475A (ja) | 2020-06-18 | 2023-07-18 | バイエル・ヘルスケア・エルエルシー | 注入器とのシリンジプランジャ係合のためのシステムおよび方法 |
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- 2007-03-05 US US11/681,804 patent/US7399293B2/en not_active Expired - Lifetime
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- 2008-03-05 ES ES08731391T patent/ES2366495T3/es active Active
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- 2008-03-05 MX MX2009009435A patent/MX2009009435A/es active IP Right Grant
- 2008-03-05 WO PCT/US2008/055847 patent/WO2008109630A1/en active Application Filing
- 2008-03-05 JP JP2009552846A patent/JP5107370B2/ja active Active
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- 2008-03-05 DK DK08731391.2T patent/DK2131902T3/da active
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Also Published As
Publication number | Publication date |
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ATE508762T1 (de) | 2011-05-15 |
EP2131902B1 (en) | 2011-05-11 |
DK2131902T3 (da) | 2011-09-05 |
CN101663062B (zh) | 2012-02-22 |
US7399293B2 (en) | 2008-07-15 |
CN101663062A (zh) | 2010-03-03 |
ZA200906288B (en) | 2010-06-30 |
MX2009009435A (es) | 2009-09-14 |
AU2008222910A1 (en) | 2008-09-12 |
US20080009796A1 (en) | 2008-01-10 |
EP2131902A1 (en) | 2009-12-16 |
BRPI0808477B8 (pt) | 2021-06-22 |
WO2008109630A1 (en) | 2008-09-12 |
JP2010520031A (ja) | 2010-06-10 |
ES2366495T3 (es) | 2011-10-20 |
AU2008222910B2 (en) | 2013-01-31 |
BRPI0808477B1 (pt) | 2018-12-11 |
BRPI0808477A2 (pt) | 2014-07-01 |
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