JP4550424B2 - 医療用注射装置に関する改良 - Google Patents
医療用注射装置に関する改良 Download PDFInfo
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- JP4550424B2 JP4550424B2 JP2003557641A JP2003557641A JP4550424B2 JP 4550424 B2 JP4550424 B2 JP 4550424B2 JP 2003557641 A JP2003557641 A JP 2003557641A JP 2003557641 A JP2003557641 A JP 2003557641A JP 4550424 B2 JP4550424 B2 JP 4550424B2
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- 238000010999 medical injection Methods 0.000 title description 2
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 239000003550 marker Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000009191 jumping Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
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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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31525—Dosing
-
- 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
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- 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
-
- 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
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31548—Mechanically operated dose setting member
- A61M5/31555—Mechanically operated dose setting member by purely axial movement of dose setting member, e.g. during setting or filling of a syringe
-
- 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
- A61M2005/3125—Details specific display means, e.g. to indicate dose setting
-
- 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
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
-
- 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
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
- A61M5/31541—Means preventing setting of a dose beyond the amount remaining in the cartridge
-
- 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
- A61M5/3159—Dose expelling manners
- A61M5/31591—Single dose, i.e. individually set dose administered only once from the same medicament reservoir, e.g. including single stroke limiting means
Landscapes
- Health & Medical Sciences (AREA)
- Hematology (AREA)
- Engineering & Computer Science (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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Description
Claims (10)
- 注射装置用の薬用量投与カウンタであって、
薬用量を設定するために使用時に初期位置から、選択された移動量だけ移動させられる薬用量設定要素と、
前記薬用量設定要素に対して空動き連結で接続されたカウンタ部材と、を具備し、
有効な薬用量を設定するための移動量以上の前記薬用量設定要素の使用時の移動が、前記薬用量設定要素の移動量とは独立した前記カウンタ部材の事前設定された増分での移動を引き起こし、前記カウンタ部材の前記移動によって注射装置が使用されたことが表示され、及び
前記薬用量設定要素の前記初期位置への戻りが、前記カウンタ部材を移動させる効力を有さない、薬用量投与カウンタ。 - 前記薬用量設定要素は、注射装置の本体に対して回転可能な薬用量設定ノブを具備し、薬用量設定要素に対して空動き連結で接続される前記カウンタ部材は、回転リングと、要素と、カムとを具備しており、前記回転リングがノブに同軸の環状の一連の突出部を持つ回転リングであり、最小薬用量は、ノブが、ゼロ位置から、隣接する突出部の角度間隔と少なくとも同じ大きさの角度の間を回転されることを必要とし、また前記要素が、ノブと共に回転可能で且つノブがゼロにあるときに突出部に係合するようにばね付勢された要素であり、また前記カムが、装置の本体に固定されて、突出部が要素によって所定の角度で押し回されたとき前記要素をリングから解放し且つその解放を更なる回転の際に維持するように配置構成されたカムであり、またリングと本体とが、リングの円周上の前進を表示するための外部標識を有する、薬用量投与カウンタにおいて、薬用量の投与及び結果として生じるノブのそのゼロ位置への逆戻りが、前記要素を戻して他の突出部と係合させる一方でリングを静止したままにする、請求項1に記載の薬用量投与カウンタ。
- リングがノブと装置の本体との間に位置決めされるところの、請求項2に記載の薬用量投与カウンタ。
- 突出部が、リングの内側のラチェット歯により形成され、また前記歯に係合する要素が、カムとも協働するためにリングを越えて軸方向に延びるペグであるところの、請求項2または3に記載の薬用量投与カウンタ。
- ペグが、概ね螺旋形のフィンガの自由端にあり、前記フィンガの他の端がノブに回転可能に固定され、フィンガが、プラスチック材料のものであり、またフィンガがばねとして機能するように形状と寸法を決められているところの、請求項4に記載の薬用量投与カウンタ。
- カムが、前記リングとは別の同軸のリングの形をしており、その円形開口が、隣接する突出部の間のピッチに対応する扇形を越えて外方に拡大されているが、該開口の大部分の半径が、前記突出部の先端に接する円の半径より小であるところの、請求項2〜5のいずれか一項に記載の薬用量投与カウンタ。
- 前記薬用量設定要素は、薬用量を設定するためにシリンジハウジングの後端から後退可能でかつ薬用量の射出の際にハウジングの中に前進移動可能な非回転式プランジャを具備し、薬用量設定要素に対して空動き連結で接続される前記カウンタ部材は、一方向回転スリーブと、突起と、外部標識とを具備しており、前記一方向回転スリーブが、ハウジングに担持され、かつ多条めねじをもつものであり、また前記突起が、プランジャによって弾性的に保持されたものであり、プランジャはスリーブを通り抜け、またプランジャは、それが後退されるときプランジャの突起と多条めねじとによってスリーブの回転を生み出し、最小薬用量は、突起がスリーブの軸方向の少なくとも全長を移動することを必要とし、またプランジャの前進移動の際に、スリーブが逆回転に対抗して保持されるのと共に、弾性的な突起がねじ山を飛び越えるように多条めねじが形作られ、前記外部標識が、スリーブの円周上の前進を示すための、スリーブ及びハウジング上の外部標識である、請求項1に記載の薬用量投与カウンタ。
- 一方向回転が、スリーブとハウジングとの間にラチェット係合を有することによって達成される、請求項7に記載の薬用量投与カウンタ。
- 多条めねじが、粗いピッチの正方形断面の溝を具備しており、また各々の部分的螺旋溝の後端が、隣接する溝の前端と軸方向で合うようにスリーブの全長がなっているところの、請求項7または8に記載の薬用量投与カウンタ。
- プランジャが前に移動するとき、隣接する溝の間のランド領域の上にくさび作用で突起を内方に移動させる傾斜面に突起が当り、その結果次に突起が隣接する溝の中に撥ね返って入るように、円周方向に及び僅かに後方に向く溝の面が、それらの後端部で面取りされるところの、請求項9に記載の薬用量投与カウンタ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0200444.8A GB0200444D0 (en) | 2002-01-10 | 2002-01-10 | Improvements relating to medical injection devices |
PCT/GB2003/000071 WO2003057285A2 (en) | 2002-01-10 | 2003-01-10 | Improvements relating to medical injection devices |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005514120A JP2005514120A (ja) | 2005-05-19 |
JP4550424B2 true JP4550424B2 (ja) | 2010-09-22 |
Family
ID=9928819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003557641A Expired - Fee Related JP4550424B2 (ja) | 2002-01-10 | 2003-01-10 | 医療用注射装置に関する改良 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7736343B2 (ja) |
EP (2) | EP1463550A2 (ja) |
JP (1) | JP4550424B2 (ja) |
GB (1) | GB0200444D0 (ja) |
WO (1) | WO2003057285A2 (ja) |
Cited By (1)
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US11554215B2 (en) | 2017-06-08 | 2023-01-17 | Novartis Ag | Injection device and injection solution transferring system |
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-
2002
- 2002-01-10 GB GBGB0200444.8A patent/GB0200444D0/en not_active Ceased
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2003
- 2003-01-10 EP EP03700853A patent/EP1463550A2/en not_active Withdrawn
- 2003-01-10 WO PCT/GB2003/000071 patent/WO2003057285A2/en active Application Filing
- 2003-01-10 JP JP2003557641A patent/JP4550424B2/ja not_active Expired - Fee Related
- 2003-01-10 US US10/500,567 patent/US7736343B2/en not_active Expired - Fee Related
- 2003-01-10 EP EP06009021.4A patent/EP1690561B1/en not_active Expired - Lifetime
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US11554215B2 (en) | 2017-06-08 | 2023-01-17 | Novartis Ag | Injection device and injection solution transferring system |
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US20050090782A1 (en) | 2005-04-28 |
EP1690561A3 (en) | 2006-12-27 |
WO2003057285A3 (en) | 2003-12-31 |
GB0200444D0 (en) | 2002-02-27 |
EP1690561A2 (en) | 2006-08-16 |
JP2005514120A (ja) | 2005-05-19 |
WO2003057285A2 (en) | 2003-07-17 |
EP1463550A2 (en) | 2004-10-06 |
EP1690561B1 (en) | 2017-05-03 |
US7736343B2 (en) | 2010-06-15 |
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