JP5739346B2 - 高圧注射用薬物送達器材のための多行程送達ポンピング機構 - Google Patents
高圧注射用薬物送達器材のための多行程送達ポンピング機構 Download PDFInfo
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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
- A61M5/48—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 varying, regulating, indicating or limiting injection pressure
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- A61M5/14216—Reciprocating piston type
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- 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
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- 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
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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
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- 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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- 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
- A61M2005/3152—Piston or piston-rod constructions, e.g. connection of piston with piston-rod including gearings to multiply or attenuate the piston displacing force
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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
- A61M5/28—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
- A61M5/285—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle with sealing means to be broken or opened
- A61M5/286—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle with sealing means to be broken or opened upon internal pressure increase, e.g. pierced or burst
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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
- A61M5/3146—Priming, e.g. purging, reducing backlash or clearance
-
- 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
- A61M5/31578—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
- A61M5/3158—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by axially moving actuator operated by user, 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
本願は、35U.S.C.§119(e)に基づき、2008年12月9日出願の米国仮出願第61/193,594号の利益を主張するものであり、同仮出願の全体を引用によって本願に援用する。
Claims (13)
- 2室型薬物送達器材であって、
薬剤を貯蔵する第一のチャンバを有するカートリッジと、
前記第一のチャンバと流体連通する第二のチャンバと、
注射部位に注射されるべき薬剤投与量を設定する投与量設定部材と、
前記第二のチャンバの中に設置されたピストンであって、前記ピストンの上方行程を生じさせることによって前記設定された薬剤投与量を分割した分割量が前記第二のチャンバ内に引き込まれ、前記ピストンの下方行程を生じさせることによって前記薬剤投与量の前記分割量が押し出されるようにする手段であって、前記ピストンの上方および下方の往復移動を複数回生じさせることによって複数の前記分割量を連続して押し出すようにするピストン駆動手段と、
前記第二のチャンバと連通し、前記薬剤投与量の複数の分割量を前記注射部位に連続して注射する針と、
を備えることを特徴とする2室型薬物送達器材。 - 駆動ネジが前記投与量設定部材に移動可能に連結されて、前記投与量設定部材の回転によって前記駆動ネジが上方に移動することを特徴とする請求項1に記載の2室型薬物送達器材。
- 傘歯車が前記投与量設定部材に回転可能に連結されて、前記駆動ネジが下方に移動すると、前記投与量設定部材が回転し、これによって前記傘歯車が回転し、
ピストンが前記傘歯車に移動可能に連結されることを特徴とする請求項2に記載の2室型薬物送達器材。 - クラッチが前記投与量設定部材に連結され、前記クラッチは、前記薬剤投与量が設定されているときには、前記投与量設定部材を前記傘歯車から分離し、前記薬剤投与量が送達されているときには、前記投与量設定部材と前記傘歯車を係合させることを特徴とする請求項3に記載の2室型薬物送達器材。
- 前記駆動ネジに投与量追跡ナットが配置され、前記第一のチャンバ内の残りの薬剤が所定の量より少なくなったときに、それ以上、薬剤投与量の設定ができないようになっていることを特徴とする請求項2に記載の2室型薬物送達器材。
- ラックがロッドに移動可能に連結され、前記薬剤投与量の注射中に前記ロッドが下方に移動すると、前記ラックが回転することを特徴とする請求項1に記載の2室型薬物送達器材。
- 前記ラックは連続するラックであることを特徴とする請求項6に記載の2室型薬物送達器材。
- カム軸歯車が前記ラックに回転可能に連結されて、前記ラックが回転すると、前記カム軸歯車が回転し、前記カム軸歯車はカムホイールに固定され、
ピストンが前記カムホイールに移動可能に連結されて、前記カムホイールが回転すると、前記ピストンが往復運動することを特徴とする請求項6に記載の2室型薬物送達器材。 - 2室型薬物送達器材であって、
薬剤を貯蔵する第一のチャンバを有するカートリッジと、
前記第一のチャンバと流体連通する第二のチャンバと、
注射部位に注射されるべき薬剤投与量を設定する投与量設定部材と、
前記第二のチャンバと連通し、前記薬剤投与量の複数の部分を前記注射部位に連続して注射する針と、
前記投与量設定部材の回転によって、第一の位置と第二の位置の間で移動可能なラチェットであって、前記第二の位置は設定された薬剤投与量に対応するようなラチェットと、
前記ラチェットが前記第二の位置から前記第一の位置に移動されると、前記ラチェットによって移動可能なラックと、
を備え、
前記ラックはカムホイールに連結されて、前記ラックが移動すると、前記カムホイールが回転し、
前記カムホイールはピストンに連結され、前記カムホイールが回転すると前記ピストンが移動し、前記ピストンの上方行程によって前記薬剤投与量を分割した分割量が前記第一のチャンバから前記第二のチャンバに引き込まれ、前記ピストンの下方行程によって、前記薬剤投与量の前記分割量が押し出され、ここで、前記ピストンが上方および下方の往復移動を複数回行うことによって複数の前記分割量を連続して押し出すようにすることを特徴とする2室型薬物送達器材。 - 前記ラックは、移動可能ラック部材とキャリッジを有し、前記移動可能ラック部材は第一の位置と第二の位置を有し、前記移動可能ラック部材は、前記移動可能ラック部材が前記第二の位置にあるときに、前記キャリッジを移動させることを特徴とする請求項9に記載の2室型薬物送達器材。
- 前記移動可能ラック部材は傾斜を上り、前記第一の位置から前記第二の位置に移動することを特徴とする請求項10に記載の2室型薬物送達器材。
- 前記キャリッジが前記ラチェットに連結された歯と係合すると、それ以上、薬剤投与量が設定できなくなることを特徴とする請求項11に記載の2室型薬物送達器材。
- 前記キャリッジは、圧縮バネが前記キャリッジ内に配置されたストッパと係合することを特徴とする請求項11に記載の2室型薬物送達器材。
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US19359408P | 2008-12-09 | 2008-12-09 | |
US61/193,594 | 2008-12-09 | ||
PCT/US2009/006421 WO2010077279A1 (en) | 2008-12-09 | 2009-12-08 | Multi-stroke delivery pumping mechanism for a drug delivery device for high pressure injections |
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JP2014205019A Division JP6223945B2 (ja) | 2008-12-09 | 2014-10-03 | 薬物送達器材 |
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JP2014205019A Active JP6223945B2 (ja) | 2008-12-09 | 2014-10-03 | 薬物送達器材 |
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US (2) | US9238112B2 (ja) |
EP (1) | EP2355869B1 (ja) |
JP (2) | JP5739346B2 (ja) |
CA (1) | CA2746160C (ja) |
ES (1) | ES2927372T3 (ja) |
WO (1) | WO2010077279A1 (ja) |
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US7959598B2 (en) | 2008-08-20 | 2011-06-14 | Asante Solutions, Inc. | Infusion pump systems and methods |
EP2355869B1 (en) | 2008-12-09 | 2022-08-24 | Becton, Dickinson and Company | Multi-stroke delivery pumping mechanism for a drug delivery device for high pressure injections |
JP5897027B2 (ja) * | 2010-11-29 | 2016-03-30 | 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 |
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EP2355869A4 (en) | 2015-07-08 |
US9238112B2 (en) | 2016-01-19 |
CA2746160A1 (en) | 2010-07-08 |
CA2746160C (en) | 2017-02-14 |
EP2355869A1 (en) | 2011-08-17 |
US20120004639A1 (en) | 2012-01-05 |
US10258749B2 (en) | 2019-04-16 |
JP2014240033A (ja) | 2014-12-25 |
ES2927372T3 (es) | 2022-11-04 |
JP6223945B2 (ja) | 2017-11-01 |
JP2012511392A (ja) | 2012-05-24 |
US20160158462A1 (en) | 2016-06-09 |
EP2355869B1 (en) | 2022-08-24 |
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