JP2020501680A - 携帯型注入装置 - Google Patents
携帯型注入装置 Download PDFInfo
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Abstract
Description
a)バルブユニットを充填状態に切り替えるためにバルブアクチュエータを動作させること、
b)ピストンを後退方向に変位させるためにポンプアクチュエータを動作させること、
c)ピストンを、後退方向の反対の前進方向に、バックラッシュ補正距離だけ変位させるために、ポンプアクチュエータを動作させること、
d)バルブユニットを充填状態から排出状態に切り替えるために、バルブアクチュエータを動作させること、
e)長期間に亘り、複数の増分ステップ(incremental step)で、ピストンを前進方向にさらに変位させるために、ポンプアクチュエータを動作させること
のシーケンスを反復して実行することを制御するように構成される。
a)バルブユニットを充填状態に切り替えること、
b)ピストンを後退方向に後退ピストン位置へと変位させること、
c)ピストンを、バックラッシュ補正距離だけ、後退方向の反対である前進方向に変位させること、
d)バルブユニットを充填状態から排出状態に切り替えること、
e)ピストンを、長期間に亘り、複数の増分ステップで前進方向に、前進ピストン位置へとさらに変位させること
のシーケンスを反復して実行することを含む。
Claims (13)
- ポンプ駆動ユニット(2)、バルブ駆動ユニット(1)および制御ユニット(40)を含む携帯型注入装置であって、
前記ポンプ駆動ユニット(2)は、ポンプアクチュエータ(20)、および前記ポンプアクチュエータ(20)に結合されるポンプドライバ(21)を含み、前記ポンプドライバ(21)は、ポンプ駆動力および/またはポンプ駆動トルクを前記ポンプアクチュエータ(20)からピストン(302)に伝達させるために、計量ポンプユニット(30)のピストン(302)に結合するように設計され、
前記バルブ駆動ユニット(1)は、バルブアクチュエータ(10)、および前記バルブアクチュエータ(10)に結合されるバルブドライバ(12)を含み、前記バルブドライバ(12)は、バルブ切替え力および/またはバルブ切替えトルクを前記バルブアクチュエータ(10)からバルブユニット(31)に伝達させるために、バルブユニット(31)に結合するように設計され、
前記制御ユニット(40)は、
a)前記バルブユニット(31)を充填状態に切り替えるために前記バルブアクチュエータ(10)を動作させること、
b)前記ピストン(302)を後退方向に変位させるために前記ポンプアクチュエータ(20)を動作させること、
c)前記ピストン(302)を、前記後退方向の反対の前進方向に、バックラッシュ補正距離だけ変位させるために、前記ポンプアクチュエータ(20)を動作させること、
d)前記バルブユニット(30)を前記充填状態から排出状態に切り替えるために、前記バルブアクチュエータ(10)を動作させること、
e)長期間に亘り、複数の増分ステップで、前記ピストン(302)を前記前進方向にさらに変位させるために、前記ポンプアクチュエータ(20)を動作させること
のシーケンスを反復して実行することを制御するように構成される、
携帯型注入装置。 - 前記バックラッシュ補正距離は、0.3mm〜1mmである、請求項1記載の携帯型注入装置。
- 前記制御ユニット(40)は、前進ピストン停止位置にて、工程(a)〜(e)のシーケンスを開始させるように構成される、請求項1または2記載の携帯型注入装置。
- 前記制御ユニット(40)は、工程(b)にて、前記ピストン(302)が後退ピストン停止位置をとる際に、前記ポンプアクチュエータ(20)の動作を停止させるように構成される、請求項1〜3のいずれか1項に記載の携帯型注入装置。
- 前記ポンプ駆動ユニット(2)は、回転駆動装置または直線変位駆動装置として設計される、請求項1〜4のいずれか1項に記載の携帯型注入装置。
- 前記バルブドライバ(12)は、前記バルブユニット(31)のバルブドライバ連結器(312)と噛合い係合するための噛合いピンを含む、請求項1〜5のいずれか1項に記載の携帯型注入装置。
- 前記バルブドライバ(12)は、ステップ切替え機構、特にゼネバホイル機構の駆動要素である、請求項1〜6のいずれか1項に記載の携帯型注入装置。
- 前記バルブアクチュエータ(10)は、ステッパモータおよび形状記憶合金(SMA)アクチュエータのいずれかを含む、請求項1〜7のいずれか1項に記載の携帯型注入装置。
- 前記制御ユニット(40)は、前記ピストンが後退ピストン停止位置にあるか、または前進ピストン停止位置にあるかどうかを検出するように構成される、請求項1〜8のいずれか1項に記載の携帯型注入装置。
- 前記携帯型注入装置は、結合移動を介して、投与ユニット(3)と解放可能に結合するように設計される、請求項1〜9のいずれか1項に記載の携帯型注入装置。
- 前記バルブ駆動ユニット(1)は、前記結合移動の間、前記バルブユニット(31)と非係合状態を維持するように設計される、請求項10記載の携帯型注入装置。
- 請求項1〜11のいずれか1項に記載の携帯型注入装置、および投与ユニット(3)を含む携帯型注入システムであって、投与ユニット(3)は、
投与シリンダ(300)およびピストン(302)を含む計量ポンプユニット(30)であって、前記ピストン(302)は、前記投与シリンダ(300)の内部に密封するように配置され、後退ピストン停止位置と前進ピストン停止位置との間で変位可能である、計量ポンプユニット(30)と、
充填ポート(310)、排出ポート(311)および遮断体(315)を有するバルブユニット(31)であって、前記充填ポート(310)は、液体薬剤リザーバ(5)と流体結合するように設計され、前記排出ポート(311)は、注入部位インターフェース(890)と流体結合するように設計され、前記遮断体(315)は、前記遮断体(315)が前記充填ポート(310)を前記投与シリンダ(300)と流体結合させる充填位置と、前記遮断体(315)が前記投与シリンダ(300)を前記排出ポート(311)と流体結合させる代替の排出位置との間で移動可能である、バルブユニット(31)と、
前記ピストン(302)に結合される、または前記ピストン(302)と一体であるポンプドライバ連結器(303)と、
前記遮断体(315)に結合される、または前記遮断体(315)と一体であるバルブドライバ連結器(312)と
を含み、
前記バルブドライバ(12)は、前記バルブドライバ連結器(312)と係合し、前記ピストンドライバ(21)は、前記ポンプドライバ連結器(303)と係合する、
携帯型注入システム。 - 液体薬剤注入のための投与ユニット(3)のためのバックラッシュ補正方法であって、
前記方法は、
a)バルブユニット(31)を充填状態に切り替えること、
b)ピストン(302)を後退方向に後退ピストン位置へと変位させること、
c)前記ピストン(302)を、バックラッシュ補正距離だけ、前記後退方向の反対である前進方向に変位させること、
d)前記バルブユニット(31)を前記充填状態から排出状態に切り替えること、
e)前記ピストン(302)を、長期間に亘り、複数の増分ステップで、前記前進方向に、前進ピストン位置へとさらに変位させること
のシーケンスを反復して実行することを含む、
バックラッシュ補正方法。
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EP16204056.2A EP3335746B1 (en) | 2016-12-14 | 2016-12-14 | Ambulatory infusion device |
PCT/EP2017/082617 WO2018109005A1 (en) | 2016-12-14 | 2017-12-13 | Ambulatory infusion device |
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WO2012123274A1 (en) | 2011-03-14 | 2012-09-20 | Unomedical A/S | Inserter system with transport protection |
EP3405230A1 (en) | 2016-01-19 | 2018-11-28 | Unomedical A/S | Cannula and infusion devices |
EP3972672A4 (en) | 2019-05-20 | 2023-06-21 | Unomedical A/S | ROTATING INFUSION DEVICE AND METHOD THEREOF |
WO2021188602A2 (en) | 2020-03-16 | 2021-09-23 | Certus Critical Care, Inc. | Blood flow control devices, systems, and methods and error detection thereof |
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