JP2007530240A - 開口部のある駆動部分を持つギアセット付き薬剤投与器具 - Google Patents
開口部のある駆動部分を持つギアセット付き薬剤投与器具 Download PDFInfo
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- 238000012377 drug delivery Methods 0.000 title claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 49
- 239000007924 injection Substances 0.000 claims abstract description 49
- 239000003814 drug Substances 0.000 claims abstract description 31
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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
- A61M5/31533—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
- 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
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
-
- 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
- A61M5/31536—Blocking means to immobilize a selected dose, e.g. to administer equal doses
-
- 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
- A61M5/31556—Accuracy improving means
- A61M5/31558—Accuracy improving means using scaling up or down transmissions, e.g. gearbox
-
- 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
- A61M5/31566—Means improving security or handling thereof
- A61M5/3157—Means providing feedback signals when administration is completed
-
- 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
- A61M5/31566—Means improving security or handling thereof
- A61M5/31571—Means preventing accidental administration
-
- 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
- A61M5/50—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 preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
- A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
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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)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Description
Claims (17)
- 薬剤投与器具であって、
ハウジングと、
前記ハウジング内にあり且つ遠位方向に移動可能な、駆動部分と、
移動可能なピストンを一端に備え且つ出口を他端に備え、薬物で満たされる貯蔵容器を設定する、流体容器であって、前記ピストンが、前記駆動部分が遠位方向に動かされる時に前記出口に向かって前進させられる前記駆動部分と係合可能である、流体容器と、
遠位位置から近位位置へと前記ハウジングに対して移動でき、前記近位位置から前記遠位位置へと遠位方向に前記ハウジングに対して手動で押すことのできる、プランジャと、
前記駆動部分と前記プランジャとを互いに連絡し、前記プランジャの前記近位位置から前記遠位位置への運動を前記駆動部分の前記遠位方向におけるより少ない量の運動に転換する、手段であって、前記プランジャのラックに係合する第一ピニオンと前記駆動部分のラックに係合する第二ピニオンとを含むギアセットを含む、相互連結手段と、を備え、
前記駆動部分の少なくとも一部分が、前記第一及び第二ピニオンの少なくとも1つを通って、開口を通して伸びている、ことを特徴とする薬剤投与器具。 - 前記第一ピニオンは、前記開口を備えており、前記第一ピニオンのプランジャラック係合歯は、前記開口を通して伸びている前記駆動部分の前記少なくとも一部分と同じ平面にあり、それによって、前記ラック係合歯が、前記第一ピニオンの周りに連続的に伸びていない、請求項1記載の薬剤投与器具。
- 前記第一ピニオンの回転軸は、前記開口を通して伸びており、且つ、前記開口を通して伸びている前記駆動部分の前記少なくとも一部分に対して概ね垂直方向を向いている、請求項2記載の薬剤投与器具。
- 前記プランジャラック係合歯は、前記第一ピニオンの前記駆動部分ラック係合歯におけるピッチ直径より大きいピッチ直径をもって配置されている、請求項1記載の薬剤投与器具。
- 前記駆動部分は、第一部分及び第二部分を含んでおり、前記駆動部分の第一部分は、遠位方向に移動可能であり、前記駆動部分の第二部分は、前記第一部分に対して遠位方向ではなく近位方向に移動可能となるように、前記第一部分と強固に接続されており、前記第二部分は、前記第二ピニオンに係合する前記ラックを備えており、前記第一部分は、前記開口を通して伸びている前記駆動部分の少なくとも一部分を備えている、請求項2記載の薬剤投与器具。
- 前記駆動部分の第一部分の遠位運動により、前記ピストンが同じ距離及び方向で前進し、前記駆動部分の第一部分は、少なくとも1つの縦方向に伸びる歯止め歯の列を備えており、前記駆動部分の第二部分は、前記少なくとも1つの縦方向に伸びる歯止め歯の列とインターフィットする少なくとも1つの歯止め爪を備えている、請求項5記載の薬剤投与器具。
- 前記ハウジング内における近位方向への前記駆動部分の第一部分の移動を阻止するように前記駆動部分の第一部分に作動的に係合する、少なくとも1つの反バックアップ部分を、更に備えている、請求項6記載の薬剤投与器具。
- 前記プランジャは、第一部分と、第二部分と、前記第一及び第二プランジャ部分を別々に付勢する前負荷状態で取り付けられた付勢部材と、を備えており、前記前負荷状態の前負荷は、前記付勢部材をそれ以上圧縮させることなく前記プランジャが器具を適切に作動できる十分な大きさに選択されており、前記付勢部材は、前記プランジャが前記近位位置から前記遠位位置へと向かう初期移動の間に、それを通して器具損傷力が伝達される以前に圧縮可能である、請求項1記載の薬剤投与器具。
- 前記プランジャの第一部分は、前記第一ピニオンと係合状態にある前記ラックを備えており、前記プランジャの第二部分は、前記ハウジングに対して手動で押すことができ、前記付勢部材並びに前記第一及び第二プランジャ部分は、前記プランジャの第一部分の遠位運動なしに、前記付勢部材の圧縮によって、前記プランジャの第二部分が前記近位位置から前記遠位位置へと完全に移動可能であるように選択され且つ設計されている、請求項8記載の薬剤投与器具。
- 前記付勢部材は、前記プランジャの第一部分に直接的に係合する第一端部と、前記プランジャの第二部分に直接的に係合する第二端部と、を有するコイルバネを、備えている、請求項9記載の薬剤投与器具。
- プランジャが充分にセットされた位置に対応する前記近位位置に手動で移動されるまで、注射を防止するための手段を、更に備えている、請求項1記載の薬剤投与器具。
- 前記注射防止手段は、ガイド及び従動部を備えており、前記ガイドは、前記ハウジング内に軸方向に固定され、且つ、近位端、遠位端、第一行程表面、及び第二行程表面を有しており、前記第一行程表面は、複数の歯止め歯に介在されており、前記従動部は、前記プランジャの歯止め爪を備えており、前記歯止め爪は、前記遠位位置から充分にセットされた前記位置への前記プランジャの移動の間に、前記複数の歯止め歯の上を前記第一行程表面に沿ってスライドし、それにより、前記歯止め歯と前記歯止め爪との相互作用が前記プランジャの遠位移動を制限し、前記従動部は、充分にセットされた前記位置から前記遠位位置への前記プランジャの移動の間に、前記第二行程表面を通過する、請求項11記載の薬剤投与器具。
- 前記ガイドは、前記ハウジングと一体的に形成されている、請求項12記載の薬剤投与器具。
- 前記ガイドの近位端は、充分にセットされた前記位置から前記遠位位置への前記プランジャの移動の間に、前記第一行程表面から前記第二行程表面へ移動するように、前記歯止め爪にカムを取り付けている、請求項12記載の薬剤投与器具。
- 前記歯止め爪は、充分にセットされた前記位置への前記プランジャの移動の間に前記ガイド近位端を通過するが、その時、ペン型器具のセットが完了したことを聴覚的に示すように他の部分を叩く、請求項12記載の薬剤投与器具。
- 前記第一ピニオン及び前記第二ピニオンは、同時回転可能であり且つ前記ハウジング内に同軸的に配置されている、請求項1記載の薬剤投与器具。
- 前記第二ピニオンは、前記第一ピニオンと同軸であり且つ横に並ぶ、一対の鏡像ピニオンを、備えており、前記第一及び第二ピニオンは、ワンピース構造を備えている、請求項1記載の薬剤投与器具。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US55754504P | 2004-03-30 | 2004-03-30 | |
PCT/US2005/010205 WO2005097240A1 (en) | 2004-03-30 | 2005-03-25 | Medication dispensing apparatus with gear set having drive member accommodating opening |
Publications (2)
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JP2007530240A true JP2007530240A (ja) | 2007-11-01 |
JP4668982B2 JP4668982B2 (ja) | 2011-04-13 |
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JP2007506405A Expired - Fee Related JP4668982B2 (ja) | 2004-03-30 | 2005-03-25 | 開口部のある駆動部分を持つギアセット付き薬剤投与器具 |
Country Status (10)
Country | Link |
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US (1) | US7857791B2 (ja) |
EP (1) | EP1732628B1 (ja) |
JP (1) | JP4668982B2 (ja) |
CN (1) | CN100581607C (ja) |
AT (1) | ATE526052T1 (ja) |
DK (1) | DK1732628T3 (ja) |
ES (1) | ES2369671T3 (ja) |
PT (1) | PT1732628E (ja) |
WO (1) | WO2005097240A1 (ja) |
ZA (1) | ZA200606885B (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010522577A (ja) * | 2006-11-17 | 2010-07-08 | 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 | ドラッグデリバリーデバイスで使用するのに適した駆動機構における及びそれに関連する改良 |
JP2013512714A (ja) * | 2009-12-04 | 2013-04-18 | オウエン マンフォード リミティド | 注入装置 |
JP2016513512A (ja) * | 2013-03-14 | 2016-05-16 | ノートン・ヘルスケア・リミテッド | 医療器具のための投薬機構 |
JP2017535359A (ja) * | 2014-11-24 | 2017-11-30 | サノフイ | 用量設定機構、およびラチェット機構を有する薬物送達デバイス |
JP2018122109A (ja) * | 2014-01-30 | 2018-08-09 | メディカル・インジェクション・デヴァイシズ・インコーポレーテッド | 薬剤投与装置 |
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US6663602B2 (en) | 2000-06-16 | 2003-12-16 | Novo Nordisk A/S | Injection device |
CA2475573C (en) | 2002-02-11 | 2013-03-26 | Antares Pharma, Inc. | Intradermal injector |
KR100763051B1 (ko) | 2004-03-30 | 2007-10-04 | 일라이 릴리 앤드 캄파니 | 최종 투여량의 투약에 의해 작동되는 스프링 구동식 로킹특성을 갖는 약제 투여 장치 |
PL1804865T3 (pl) | 2004-10-21 | 2010-03-31 | Novo Nordisk As | Mechanizm wkręcania dla nawijanych penów |
HUE042286T2 (hu) | 2005-01-24 | 2019-06-28 | Antares Pharma Inc | Tûvel szerelt, elõre töltött belövõ fecskendõ |
US20090043264A1 (en) | 2005-04-24 | 2009-02-12 | Novo Nordisk A/S | Injection Device |
WO2007092929A2 (en) * | 2006-02-09 | 2007-08-16 | Aderans Research Institute, Inc. | Apparatus and methods for delivering fluid and material to a subject |
EP1996260B1 (en) | 2006-03-10 | 2015-09-23 | Novo Nordisk A/S | An injection device having a gearing arrangement |
EP1996259B1 (en) | 2006-03-10 | 2012-08-15 | Novo Nordisk A/S | An injection device and a method of changing a cartridge in the device |
WO2007131013A1 (en) | 2006-05-03 | 2007-11-15 | Antares Pharma, Inc. | Two-stage reconstituting injector |
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JP2010522577A (ja) * | 2006-11-17 | 2010-07-08 | 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 | ドラッグデリバリーデバイスで使用するのに適した駆動機構における及びそれに関連する改良 |
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Also Published As
Publication number | Publication date |
---|---|
US7857791B2 (en) | 2010-12-28 |
EP1732628B1 (en) | 2011-09-28 |
CN100581607C (zh) | 2010-01-20 |
WO2005097240A1 (en) | 2005-10-20 |
PT1732628E (pt) | 2011-12-07 |
DK1732628T3 (da) | 2011-10-24 |
ATE526052T1 (de) | 2011-10-15 |
JP4668982B2 (ja) | 2011-04-13 |
EP1732628A1 (en) | 2006-12-20 |
CN1933864A (zh) | 2007-03-21 |
ES2369671T3 (es) | 2011-12-02 |
ZA200606885B (en) | 2009-11-25 |
US20070191784A1 (en) | 2007-08-16 |
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