JP6741794B2 - 薬物送達システムのための駆動アセンブリおよびスペーサ - Google Patents
薬物送達システムのための駆動アセンブリおよびスペーサ Download PDFInfo
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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)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
本出願は、2016年6月9日に出願された米国仮出願第62/347,948号および2017年6月7日に出願された米国特許出願第15/616,250号に対する優先権を主張し、それによって、その各々は参照によってその全体が本明細書に組み込まれる。
を有し、付勢部材は、プランジャ部材を第1の状態から第2の状態に移動させるように構成され、およびプランジャ作動部材は、プランジャ部材に対して回転可能であり、プランジャ作動部材は、プランジャ部材がプランジャ作動部材に対して軸方向に固定される第1の回転状態およびプランジャ部材がプランジャ作動部材に対して軸方向に移動可能である第2の回転状態を有する。
Claims (8)
- 薬剤を注射するための薬物送達システムであって、前記システムは、
ハウジング、
薬剤を受け入れるように構成された容器であって、前記容器は前記容器およびクロージャ内部において移動するように構成されたストッパーを含む、容器、
前記容器と流体連通する針、
前記ストッパーと係合するように構成されたスペーサ、
第1のプランジャ部材、
前記第1のプランジャ部材を軸方向に付勢するように構成された第2の付勢部材、
前記第1のプランジャ部材の周囲に配置される第2のプランジャ部材、および
前記第2のプランジャ部材を軸方向に付勢するように構成された第1の付勢部材、
を含み、
前記第1のプランジャ部材は、前記スペーサと係合するように、および、前記第2の付勢部材を介して前記ハウジングに対して前記スペーサおよび前記容器を移動させるように構成され、
および
前記第2のプランジャ部材は、前記第1の付勢部材を介して前記容器に対して前記スペーサおよび前記ストッパーを移動させるように構成されることを特徴とするシステム。 - 前記第2のプランジャ部材は、外側プランジャ部材および内側プランジャ部材を含み、前記内側プランジャ部材の少なくとも一部は、前記外側プランジャ部材の内部に受け入れられ、前記外側プランジャ部材は、前記外側プランジャ部材に対する前記内側プランジャ部材の所定の軸方向変位に際して前記内側プランジャ部材の外向きに延びる突出部と係合するように構成された内向きに延びる突出部を有し、および前記外側プランジャ部材は、前記外側プランジャ部材の所定の軸方向変位に際して前記ハウジング内への前記針の退避を始動させるように構成されることを特徴とする請求項1に記載のシステム。
- 前記第1のプランジャ部材は、前記第1の付勢部材の近位端と係合するフランジを含むことを特徴とする請求項1に記載のシステム。
- 前記ハウジングはストップを含み、および前記第1のプランジャ部材の前記フランジは、前記ハウジングに対する前記第1のプランジャ部材の所定の軸方向変位に際して前記ハウジングの前記ストップと係合するように構成されて、前記第1のプランジャ部材の軸方向変位を限定することを特徴とする請求項3に記載のシステム。
- 前記第2の付勢部材は、前記第1の付勢部材よりも大きいばね定数または前記第1の付勢部材よりも大きいばね力を有することを特徴とする請求項1に記載のシステム。
- 前記スペーサは、前記スペーサに対する前記第2のプランジャ部材の変位の間に前記第2のプランジャ部材のエネルギーを消散させるように構成されたダンピング機能を含むことを特徴とする請求項1に記載のシステム。
- 前記ダンピング機能は、少なくとも1つの抵抗リブを含むことを特徴とする請求項6に記載のシステム。
- 前記スペーサは、本体および前記本体から半径方向外向きに延びるフランジを含み、前記スペーサの前記本体は、前記第1のプランジャ部材と係合するように構成され、前記スペーサの前記フランジは、前記第2のプランジャ部材と係合するように構成されることを特徴とする請求項1に記載のシステム。
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JP2020126810A JP7510812B2 (ja) | 2016-06-09 | 2020-07-27 | 薬物送達システムのための駆動アセンブリおよびスペーサ |
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662347948P | 2016-06-09 | 2016-06-09 | |
US62/347,948 | 2016-06-09 | ||
US15/616,250 US10792432B2 (en) | 2016-06-09 | 2017-06-07 | Drive assembly and spacer for drug delivery system |
US15/616,250 | 2017-06-07 | ||
PCT/US2017/036572 WO2017214409A1 (en) | 2016-06-09 | 2017-06-08 | Drive assembly and spacer for drug delivery system |
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JP2020126810A Division JP7510812B2 (ja) | 2016-06-09 | 2020-07-27 | 薬物送達システムのための駆動アセンブリおよびスペーサ |
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JP2020126810A Active JP7510812B2 (ja) | 2016-06-09 | 2020-07-27 | 薬物送達システムのための駆動アセンブリおよびスペーサ |
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AU2017277770A1 (en) | 2019-01-24 |
CN109475688B (zh) | 2021-05-25 |
CN113209420B (zh) | 2023-04-07 |
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BR122022009351B1 (pt) | 2023-11-14 |
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EP3468644A1 (en) | 2019-04-17 |
BR112018075437A2 (pt) | 2019-03-19 |
CN109475688A (zh) | 2019-03-15 |
AU2022201843B2 (en) | 2023-09-07 |
JP2022136294A (ja) | 2022-09-15 |
JP2020185414A (ja) | 2020-11-19 |
MX2023011540A (es) | 2023-10-06 |
JP2019517358A (ja) | 2019-06-24 |
CN116271337A (zh) | 2023-06-23 |
US10792432B2 (en) | 2020-10-06 |
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