JP2018029984A - 双数チャンバーで受動的引き込みのニードル注射器 - Google Patents
双数チャンバーで受動的引き込みのニードル注射器 Download PDFInfo
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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
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
-
- 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
- A61M5/32—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
- A61M5/3293—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 characterised by features of the needle hub
-
- 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
-
- 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
- A61M5/32—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
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
- A61M2005/3227—Constructional features thereof, e.g. to improve manipulation or functioning the needle being retracted laterally outside the syringe barrel, e.g. with separate guideway
-
- 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
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
- A61M2005/3235—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between needle mount and syringe barrel or needle housing, e.g. spreading of needle mount retaining hooks having slanted surfaces by engagement with correspondingly shaped surfaces on the piston at the end of an injection stroke
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (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)
Abstract
【解決手段】アセンブリは、流体を保持するための流体バレル、及び引き込み特徴部及びニードルハブアセンブリ142を収容する格納バレルを含んでいる。アセンブリは、格納(引き込み)機構内の引き込み特徴部を作動させるために、プランジャーロッドと共に移動するトリガー要素190を含んでいる。
【選択図】図7
Description
Claims (13)
- 開口した基端部、末端壁を含む末端部、及び、前記末端部及び前記基端部から延在し、チャンバーを画成する内側表面を含む側壁を含む、流体バレルと、
前記流体バレルの前記側壁に隣接して配置された格納バレルであって、ニードルチャンバーを画成する内部表面を有する壁、開口した基端部、障壁を含んで開口した末端部、当該流体チャンバーと当該ニードルチャンバーとが流体連通するための、前記流体バレルの壁及び前記流体バレルの前記側壁の間の開口部を含む、格納バレルと、
前記流体チャンバー内に配置されたプランジャーロッドであって、親指押さえ、末端部、基端部、前記末端部からプランジャーロッド本体まで延在するストッパー係合部を備え、前記プランジャーロッド本体が前記末端部から前記基端部まで延在し、前記プランジャーロッド本体に基端側に近接して配置された可撓性の突出部と、前記可撓性の突出部と前記親指押さえとの間に配置された壊れ易い部分とを備えるプランジャーロッドと、
前記ストッパー係合部に配置されたストッパーと、
ニードルハブ、前記開口と流体連通しており、前記ニードルハブに取り付けられたニードルカニューレとを含み、基端方向に移動するように付勢されるニードルハブアセンブリと、
前記プランジャーロッドと共に移動可能であり、前記格納バレルの前記ニードルチャンバー内に延在しているトリガー要素であって、前記ニードルカニューレが前記格納バレル内に引き込ませるトリガー力を提供するトリガー要素と、
を備えることを特徴とする注射器アセンブリ。 - 前記壊れ易い部分は、前記可撓性の突出部から、支持部材を前記親指押さえに接続する複数の点連結部まで延在する前記支持部材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。
- 前記支持部材の断面幅は、前記可撓性の突出部に隣接している末端部から前記支持部材の基端部まで増加していることを特徴とする請求項2に記載の注射器アセンブリ。
- 前記支持部材は、円形の断面を有することを特徴とする請求項2に記載の注射器アセンブリ。
- 前記複数の点連結部は、前記支持部材の基端部の周縁部に配置されることを特徴とする請求項2に記載の注射器アセンブリ。
- 前記点連結部は、前記支持部材と前記親指押さえとの間に、狭められた連結点を形成する個別的な連結部であることを特徴とする請求項2に記載の注射器アセンブリ。
- 前記流体バレルは、保持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。
- 前記保持要素は、前記流体バレルの内側表面の周りに延在するリングであることを特徴とする請求項7に記載の注射器アセンブリ。
- 前記保持要素は、前記流体バレルの前記基端部に隣接して配置されることを特徴とする請求項8に記載の注射器アセンブリ。
- 前記ニードルハブアセンブリは、前記格納バレル内に配置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。
- 前記ニードルハブは、ニードルハブ本体、前記ニードルハブ本体に末端方向に隣接して配置されたニードルハブ支持体と、前記ニードルハブ本体から基端方向に延在しているニードルハブ延長部と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。
- 前記ニードルハブ延長部は、前記ニードルハブ延長部から放射状外方に延在しているラッチ部分を含むことを特徴とする請求項11に記載の注射器アセンブリ。
- 前記ニードルハブ支持体は、前記ニードルカニューレの基端部を部分的に収容するためのくぼみ部分を含むことを特徴とする請求項11に記載の注射器アセンブリ。
Applications Claiming Priority (4)
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US36674910P | 2010-07-22 | 2010-07-22 | |
US61/366,749 | 2010-07-22 | ||
US13/187,045 | 2011-07-20 | ||
US13/187,045 US8721599B2 (en) | 2010-07-22 | 2011-07-20 | Dual chamber passive retraction needle syringe |
Related Parent Applications (1)
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JP2016006637A Division JP6219985B2 (ja) | 2010-07-22 | 2016-01-15 | 双数チャンバーで受動的引き込みのニードル注射器 |
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JP2018029984A true JP2018029984A (ja) | 2018-03-01 |
JP6526141B2 JP6526141B2 (ja) | 2019-06-05 |
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JP2016006637A Active JP6219985B2 (ja) | 2010-07-22 | 2016-01-15 | 双数チャンバーで受動的引き込みのニードル注射器 |
JP2017188359A Active JP6526141B2 (ja) | 2010-07-22 | 2017-09-28 | 双数チャンバーで受動的引き込みのニードル注射器 |
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JP2013520859A Active JP5919269B2 (ja) | 2010-07-22 | 2011-07-21 | 双数チャンバーで受動的引き込みのニードル注射器 |
JP2016006637A Active JP6219985B2 (ja) | 2010-07-22 | 2016-01-15 | 双数チャンバーで受動的引き込みのニードル注射器 |
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US (3) | US8721599B2 (ja) |
EP (3) | EP3384945B1 (ja) |
JP (3) | JP5919269B2 (ja) |
CN (2) | CN105233371B (ja) |
BR (1) | BR112013001622B1 (ja) |
CA (1) | CA2806036C (ja) |
ES (3) | ES2525016T3 (ja) |
MX (1) | MX371135B (ja) |
WO (1) | WO2012012603A1 (ja) |
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EP2595679B1 (en) | 2014-09-17 |
ES2525016T3 (es) | 2014-12-16 |
US20140288498A1 (en) | 2014-09-25 |
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JP6219985B2 (ja) | 2017-10-25 |
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ES2904448T3 (es) | 2022-04-05 |
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US9636469B2 (en) | 2017-05-02 |
WO2012012603A1 (en) | 2012-01-26 |
EP3384945A1 (en) | 2018-10-10 |
CN103096954B (zh) | 2015-09-16 |
EP3384945B1 (en) | 2021-10-20 |
US8721599B2 (en) | 2014-05-13 |
EP2595679A1 (en) | 2013-05-29 |
CN105233371A (zh) | 2016-01-13 |
CA2806036A1 (en) | 2012-01-26 |
BR112013001622B1 (pt) | 2021-01-19 |
CA2806036C (en) | 2017-04-18 |
EP2818192A1 (en) | 2014-12-31 |
CN105233371B (zh) | 2019-04-12 |
MX371135B (es) | 2020-01-17 |
ES2701166T3 (es) | 2019-02-21 |
MX2013000879A (es) | 2013-02-27 |
US20120022464A1 (en) | 2012-01-26 |
US20170232207A1 (en) | 2017-08-17 |
US10286160B2 (en) | 2019-05-14 |
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