JP4755247B2 - 注射装置用のねじ付きロッド及び投薬量設定機構 - Google Patents
注射装置用のねじ付きロッド及び投薬量設定機構 Download PDFInfo
- Publication number
- JP4755247B2 JP4755247B2 JP2008512663A JP2008512663A JP4755247B2 JP 4755247 B2 JP4755247 B2 JP 4755247B2 JP 2008512663 A JP2008512663 A JP 2008512663A JP 2008512663 A JP2008512663 A JP 2008512663A JP 4755247 B2 JP4755247 B2 JP 4755247B2
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- JP
- Japan
- Prior art keywords
- threaded rod
- injection device
- sleeve
- setting
- dosage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Images
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- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
1つの形態により、本発明は、例えば、例えばインスリン又はホルモンのような注射装置又はアンプル内に保持され、注射装置から分与すべき医学物質の投薬量を設定する投薬量設定機構であって、注射装置に配設することができ、又は、その一部として提供することができ、また、例えば、注射装置の後端に設定スリーブを有し、該設定スリーブは、注射装置の長手方向軸線の回りにて回転可能であり、また、周方向に1つ又はより多くの標識を有しており、該標識は、物質の投薬量と共に分与することのできる物質内に保持された活性な成分のそれぞれの設定位置又は量にて注射装置から分与することのできる物質の量を表示する上記の投薬量設定機構に関するものである。例えば、設定スリーブに設けられた標識を回転することにより設定スリーブを例えば、注射装置にて矢印で示した予め規定された位置まで遠方に回転させることにより、ユーザは、その後の投与操作にて注射装置から分与すべき物質又は活性な成分の量を設定することができる。投薬量設定機構は、また、好ましくは、注射装置のハウジングに対し又は設定スリーブに対して投薬量設定機構又は注射装置外に回転して、投薬量を分与する準備をすることのできる回転スリーブも有しており、また、1つ又はより多くの標識が回転スリーブに設けられ、また、好ましくは、周方向に向けてその外面の回りを伸びるものとし、この標識は、数値の点にて設定スリーブに設けられた標識と同一とし又は、これらと関係付けることができる。本発明の目的のため、回転スリーブは、例えば、螺着係合を介して直接的に、又は中間要素を介して間接的に設定スリーブと連結され、このため、回転スリーブが完全に又は最大限引き出された状態(これは、回転スリーブが設定スリーブの設定又は回転位置から最大限引き出され又は外方に動いたときに生ずる)のとき、回転スリーブは、回転スリーブに設けられた標識が設定スリーブの関係した標識から周方向に向いて変位されないような態様にて、換言すれば、回転スリーブ上の標識の軸方向伸び位置に位置するような態様にて設定スリーブに対して配置される。このため、回転スリーブは、完全に引き出された状態にて回転スリーブ上の投薬量ディスプレイをブロックし、設定スリーブの相応する投薬量ディスプレイ又は標識に対して軸方向に整合され、投薬量設定操作の各々は、設定スリーブにより実行される。その結果、ペンの一側部にて投薬量を設定し且つ、これと同時に、ペンの同一側部にて容易にチェックし、設定スリーブ及び回転スリーブにおける関係した標識が互いに隣接する位置にあるため、投薬量が正確に起動されることを保証することができる。こうした場合でない場合、ユーザは、設定された投薬量が起動されず、従って、投与されないことを容易に知ることができる。
ねじ付きロッドが注射装置に対して又は回転スリーブに対し一方向に回転するのを可能にし且つ、反対方向への回転をブロックする設計とされた回転防止ロック又は逆回転ロックについて以下に説明する。注射装置及び回転スリーブにおける回転ロックは、同一の構造とし、また、ラチェットシステムの範囲内にて同一の機構に基づいて作用する。
図1Aには、注射装置(1)の側面図が示されており、線B−Bに沿ったその断面は図1Bに示されている。
注射装置(1)が回転スリーブ(3)を回転させることによって起動されるとき、ねじ付きロッド(4)は、回転制限要素(6b)によって保持され、このためねじ付きロッドは、注射装置のハウジング(1a)に対して回転することが阻止される一方、回転制限要素(6a)は、矢印P1で示した回転方向に向けてねじ付きロッド(4)のねじ部(4b)にて歯部とブロッキング係合していない。ブロッキング係合すれば、回転スリーブ(3)はハウジング(1a)外に回転されることになろう。
Claims (11)
- 注射装置(1)用のねじ付きロッド(4)において、ねじ付きロッド(4)の外面に配設されたねじ(4b、4c、4d)を有し、ねじ(4b、4c、4d)の少なくとも一部には、歯部(4b)が設けられ、歯部(4b)の個々の歯は、該歯の片側の歯面は、対向して協働する歯部又は捕捉要素に対し捕捉又は保持係合を行うことが可能であるが、該歯の他側の歯面は、対向して協働する歯部又は捕捉要素に対し摺動することが可能であるように、前記片側の歯面は半径方向に延在し、前記他側の歯面は前記片側の歯面に対し傾斜して延在している、注射装置(1)用のねじ付きロッド(4)。
- 請求項1に記載のねじ付きロッドにおいて、ねじ付きロッドの回りを又は特定の部分の回りを完全に伸びる歯部(4b)を有する、ねじ付きロッド。
- 請求項2に記載のねじ付きロッドにおいて、歯部(4b)の歯は、歯付きロッドの軸方向に向けて伸びる、ねじ付きロッド。
- 請求項1に記載のねじ付きロッド(4)において、ねじセグメント又は1つのねじを形成する係合要素(4c)を有する、ねじ付きロッド。
- 請求項4に記載のねじ付きロッドにおいて、係合要素(4c)は、弾性要素又はアーム(4d)上に配設される、ねじ付きロッド。
- 請求項4又は5の一方に記載のねじ付きロッドにおいて、係合要素(4c)及び(又は)弾性要素(4d)は、ねじセグメントを構成するねじ付きロッド(4)の周方向に向けて配設される、ねじ付きロッド。
- 請求項4ないし6の何れか1つの項に記載のねじ付きロッドにおいて、2つ又はより多くの係合要素(4c)及び(又は)弾性要素(4d)が軸方向に及び(又は)周方向に向けて互いに変位されて、ねじ付きロッド(4)上に設けられる、ねじ付きロッド。
- 請求項1ないし7の何れか1つの項に記載のねじ付きロッドにおいて、ねじは、ねじ付きロッド(4)から突き出すねじ又は、ねじ付きロッド(4)内に引っ込むねじの形態にて提供される、ねじ付きロッド。
- 請求項1ないし8の何れか1つの項に記載のねじ付きロッド(4)が一方向に回転するのは許容し、ねじ付きロッドが反対方向に回転するのはブロックする回転制限要素を有する注射装置(1)用の投薬量設定機構において、ねじ付きロッド(4)の歯部(4b)及び(又は)ねじ付きロッド(4)の係合要素(4c)を有するねじと協働することができる少なくとも1つの捕捉要素(6f)及び(又は)歯部(1j、3j)を有する、投薬量設定機構。
- 請求項9に記載の少なくとも1つの投薬量設定機構と、請求項1ないし8の何れか1つの項に記載のねじ付きロッドとを有する、注射装置。
- ねじ付きロッド(4)のねじ(4b)の歯部又はねじ付ロッド(4)の捕捉要素(4c)と協働してねじ付きロッド(4)が注射装置(1)に対して一方向に回転するのを許容し且つ、ねじ付きロッドが反対方向に向けて回転するのをブロックすることができる、少なくとも1つの係合要素(6f)及び(又は)歯部又はラチェットシステム(1j、3j)を有する、注射装置。
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PCT/CH2006/000246 WO2006125329A1 (de) | 2005-05-24 | 2006-05-05 | Gewindestange und dosiervorrichtung für eine injektionsvorrichtung |
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EP3162399A1 (en) * | 2015-11-02 | 2017-05-03 | Sanofi | Drug delivery device with variable size dose index window |
US11554215B2 (en) | 2017-06-08 | 2023-01-17 | Novartis Ag | Injection device and injection solution transferring system |
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WO1994007562A1 (en) * | 1992-09-29 | 1994-04-14 | Alza Corporation | Highly controllable pulsatile delivery device |
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JP3741730B2 (ja) * | 1996-04-02 | 2006-02-01 | テクファーマ・ライセンシング・アクチェンゲゼルシャフト | 注射装置 |
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WO1994007562A1 (en) * | 1992-09-29 | 1994-04-14 | Alza Corporation | Highly controllable pulsatile delivery device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3162399A1 (en) * | 2015-11-02 | 2017-05-03 | Sanofi | Drug delivery device with variable size dose index window |
WO2017076927A1 (en) * | 2015-11-02 | 2017-05-11 | Sanofi | Drug delivery device with variable size dose index window |
JP2018532506A (ja) * | 2015-11-02 | 2018-11-08 | サノフイSanofi | 可変サイズの用量を示す窓を含む薬物送達デバイス |
US11554215B2 (en) | 2017-06-08 | 2023-01-17 | Novartis Ag | Injection device and injection solution transferring system |
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JP2008541803A (ja) | 2008-11-27 |
DK1888149T3 (da) | 2009-06-29 |
DK2065065T3 (da) | 2013-06-24 |
DK2065065T4 (da) | 2022-05-16 |
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