JP5897113B2 - 注射装置 - Google Patents
注射装置 Download PDFInfo
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- JP5897113B2 JP5897113B2 JP2014511326A JP2014511326A JP5897113B2 JP 5897113 B2 JP5897113 B2 JP 5897113B2 JP 2014511326 A JP2014511326 A JP 2014511326A JP 2014511326 A JP2014511326 A JP 2014511326A JP 5897113 B2 JP5897113 B2 JP 5897113B2
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- 238000002347 injection Methods 0.000 title claims description 30
- 239000007924 injection Substances 0.000 title claims description 30
- 239000003814 drug Substances 0.000 claims description 105
- 229940079593 drug Drugs 0.000 claims description 105
- 238000000034 method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 5
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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- 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
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- A61M5/2422—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule
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- 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
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- A61M5/2466—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase
- A61M2005/247—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase with fixed or steady piercing means, e.g. piercing under movement of ampoule
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
- A61M2005/3267—Biased sleeves where the needle is uncovered by insertion of the needle into a patient's body
-
- 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
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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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3271—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel with guiding tracks for controlled sliding of needle protective sleeve from needle exposing to needle covering position
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- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Polarising Elements (AREA)
Description
この方法は、また、薬物カートリッジから薬物を放出した後、薬物カートリッジへの加圧を順にやめ、付勢部材の力により針を患者から引き抜くように、摺動本体をベースに対して基端方向に移動させ、摺動部材を前記ベースに対して固定し、装置の再使用を防止することを含む。
Claims (20)
- 注射装置であって、
基端と、末端に配置され患者の皮膚と接触するための表面とを有し、第1のロッキング機構を含むベースと、
前記ベースに摺動可能に連結され、ロッキングフィーチャおよび第2のロッキング機構を含む摺動本体と、
前記摺動本体に固定された両頭針と、
前記摺動本体を前記ベースに対して基端方向に付勢し、前記装置の作動後、前記針を前記装置内に引き込むための付勢部材と、
前記摺動本体に摺動可能に連結され、薬物を収容するための薬物カートリッジであって、前記第2のロッキング機構が、前記薬物カートリッジの前記摺動本体に対する移動の終了のとき、前記薬物カートリッジを前記摺動本体に対して固定する、薬物カートリッジと、
前記薬物カートリッジの内部に摺動可能に配置されたストッパと、を含み、
前記第1のロッキング機構と前記ロッキングフィーチャとが、相互に作用し、前記針が前記装置に引き込まれた後、前記摺動本体を前記ベースに対して固定する注射装置。 - 前記摺動本体は、前記針が完全に前記装置の内部に配置される第1の位置から前記針の一部が前記装置の外側に延び出す第2の位置、前記針が完全に前記装置内に引き込まれる第3の位置まで移動可能であり、
前記第3の位置が、前記第1の位置に対して末端方向に移動されている請求項1に記載の装置。 - 前記薬物カートリッジは、前記摺動本体に連結可能である請求項1に記載の装置。
- 前記ストッパは、前記薬物との連通を作るように前記針によって突き刺し可能である請求項1に記載の装置。
- 前記第1のロッキング機構は、
前記ベースの内側の回りに周方向に配置され、半径方向内側に突き出し、末端方向に傾
斜され、それぞれ、基端方向に傾斜した表面および末端方向に傾斜した表面を有する複数の傾斜したリップと、
前記ベースの前記内側の回りに周方向に配置され、相互間に固定用空間が画定されるように前記傾斜したリップから末端方向に離隔される複数の軸方向のリブとを含む請求項1に記載の装置。 - 前記複数の軸方向のリブは、各傾斜したリップに対応する1対の軸方向のリブであって前記対応する傾斜したリップの向かい合う側面側に周方向に、それぞれ、配置される1対の軸方向のリブを含んでなる請求項5に記載の装置。
- 前記摺動本体の前記ロッキングフィーチャは、複数の周方向に配置され末端方向に垂れ下がる片持ち脚部を含み、各脚部は、その末端から周方向に突き出る1対の足を有する請求項5に記載の装置。
- 前記足の各基端面は、前記傾斜したリップの各末端方向に傾斜した表面の角度と対応するように傾斜されている請求項7に記載の装置。
- 前記摺動本体が、前記針が完全に前記装置の内部に配置される第1の位置から前記針の一部が前記装置の外側に延び出す第2の位置まで移動するとき、前記複数の足は、前記傾斜したリップの前記基端方向の傾斜した表面と係合し、前記脚部を半径方向内側に撓ませ、前記脚部を半径方向外側に付勢し、
前記複数の足が、前記傾斜したリップを末端方向に通過したならば、前記足は、半径方向外側に移動し前記軸方向のリブと係合し、前記軸方向のリブに沿って摺動する請求項7に記載の装置。 - 前記摺動本体が、前記第2の位置から前記針が完全に前記装置の内部に完全に引き込まれる第3の位置まで移動するとき、前記複数の足は、前記軸方向のリブの基端に到達するまで前記軸方向のリブに沿って摺動し、それから、前記固定用空間内に半径方向外側に移動する請求項9に記載の装置。
- 前記薬物カートリッジは、その末端から半径方向外側に突き出るカートリッジリップを含み、
前記摺動本体の前記第2のロッキング機構は、前記薬物カートリッジが移動する前記摺動本体のカートリッジチャネルの末端に隣接して配され、半径方向内側に突き出る固定リブを含み、
前記薬物カートリッジの前記摺動本体に対する移動の終わりのとき、前記カートリッジリップは、前記固定リブを末端方向に通過し、前記固定リブは、前記薬物カートリッジを前記摺動本体に対して固定する請求項1に記載の装置。 - 前記カートリッジチャネルは、
半径方向内側に突き出る連結リブと、
前記連結リブに対して末端方向に配置され半径方向内側に突き出す保持リブと、を含み、
前記カートリッジリップは、前記連結リブを末端方向に通過し前記薬物カートリッジを前記摺動本体に連結し、
前記薬物カートリッジリップが前記保持リブを末端方向に通過したとき、前記針は前記ストッパを穿刺し、
前記カートリッジリップを、前記保持リブを通過し末端方向に移動させるために必要とされる力は、前記連結リブを通過し前記カートリッジリップを末端方向に移動させるために必要とされる力よりも大きい請求項11に記載の装置。 - 注射装置であって、
基端と、末端に配置され患者の皮膚と接触するための表面とを有し、ベースの内側の回りに周方向に配置され複数の傾斜したリップおよび複数の軸方向のリブを含むベースと、
前記ベースに摺動可能に連結され、半径方向内側に突き出る保持リブと、周方向に配置され末端方向に垂れ下がる複数の片持ち脚部であって、その末端から周方向に突き出る1対の足をそれぞれ有する複数の片持ち脚部と含む摺動本体と、
前記摺動本体に固定された両頭針と、
前記摺動本体を前記ベースに対して基端方向に付勢し、前記装置の作動後、前記針を前記装置内に引き込む付勢部材と、
前記摺動本体に摺動可能に連結され、薬物を収容するための薬物カートリッジであって、前記装置の作動前に前記保持リブに隣接して配置され、その末端から半径方向外側に突き出るカートリッジリップを有する薬物カートリッジと、
前記薬物カートリッジ内に摺動可能に配置されたストッパと、を含み、
前記保持リップを通過し前記カートリッジリップを末端方向に移動させるように前記薬物カートリッジに加えられる力は、前記傾斜したリップを通過し前記足を末端方向に移動し、前記針を患者の皮膚内に入れるように前記薬物カートリッジに加えられる力よりも超える注射装置。 - 各傾斜したリップは、基端方向に傾斜した表面および末端方向に傾斜した表面を有し、
前記複数の軸方向のリブは、その相互間に固定用空間を画定するように前記傾斜したリップから末端方向に離隔されている請求項13に記載の装置。 - 前記各足のそれぞれの基端面は、前記傾斜したリップのそれぞれの前記末端方向の傾斜した表面の角度に対応するように、傾斜されている請求項14に記載の装置。
- 前記複数の軸方向のリブは、各傾斜したリップに対応する1対の軸方向のリブを含み、
各一対の軸方向のリブは、前記対応する傾斜したリップの向かい合う側面側に周方向に配置される請求項15に記載の装置。 - 前記摺動本体が、前記針が完全に前記装置の内部に配置される作動前の位置から前記針の一部が前記装置の外側に延び出す作動位置まで移動するとき、前記複数の足は、前記傾斜したリップの前記基端方向の傾斜した表面と係合し、前記脚部を半径方向内側に撓ませ、前記脚部を半径方向外側に付勢し、前記足が、前記傾斜したリップを末端方向に通過したならば、前記足は、半径方向外側に移動し前記軸方向のリブと係合し、前記軸方向のリブに沿って摺動する請求項16に記載の装置。
- 前記摺動本体が前記作動位置から前記針が前記装置の内部に完全に引き込められる固定位置まで移動するとき、前記複数の足は、前記軸方向のリブの基端に到達するまで前記軸方向のリブに沿って摺動し、それから、前記固定用空間内に半径方向外側に移動する請求項17に記載の装置。
- 前記摺動本体は、前記薬物カートリッジが移動する前記摺動本体のカートリッジチャネルの末端に隣接し配置され半径方向内側に突き出る固定リブを含み、
前記薬物カートリッジの前記摺動本体に対する移動の終わりのとき、前記カートリッジリップは、前記固定リブを末端方向に通過し、前記固定リブは、前記薬物カートリッジを前記摺動本体に対して固定する請求項18に記載の装置。 - ベースと、該ベースに摺動可能に連結された摺動本体と、該摺動本体に固定された両頭針と、付勢部材と、前記摺動本体に摺動可能に連結され薬物を収容するための薬物カートリッジと、該薬物カートリッジ内に摺動可能に配置されたストッパとを含む注射装置の作動方法であって、
前記薬物カートリッジを連続して押し、
前記摺動本体を前記ベースに対して末端方向に移動させ、前記針を前記注射装置の外側に突き出し、前記付勢部材を圧縮し、
前記針と前記薬物カートリッジとの間の流体連通を作るように、前記ストッパを前記針により穿刺し、
前記ストッパを前記薬物カートリッジに対して基端方向に移動させ前記薬物カートリッジから前記薬物を放出し、
前記薬物カートリッジから前記薬物を放出した後、前記薬物カートリッジへの加圧を順にやめ、
前記付勢部材の力により前記針を前記注射装置内に引き込むように、前記摺動本体を前記ベースに対して基端方向に移動させ、
前記摺動部材を前記ベースに対して固定し、前記注射装置の再使用を防止することを含む方法。
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