JP6999647B2 - 薬液投与装置 - Google Patents
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
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- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
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- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14566—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir for receiving a piston rod of the pump
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- A—HUMAN NECESSITIES
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- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
- A61M2005/14268—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body with a reusable and a disposable component
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- A—HUMAN NECESSITIES
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M2005/14506—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons mechanically driven, e.g. spring or clockwork
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- A—HUMAN NECESSITIES
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M2005/14533—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons cam actuated
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M2005/14573—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir for quick connection/disconnection with a driving system
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1581—Right-angle needle-type devices
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/10—General characteristics of the apparatus with powered movement mechanisms
- A61M2205/103—General characteristics of the apparatus with powered movement mechanisms rotating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/587—Lighting arrangements
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8206—Internal energy supply devices battery-operated
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
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- 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)
- Dermatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims (13)
- 薬液(M)を生体内に投与するための薬液投与装置(10)であって、
前記薬液(M)が充填された筒体(12)と、
前記筒体(12)内に摺動可能に配置されたガスケット(34)と、
前記ガスケット(34)を先端方向へ押圧して前記筒体(12)から前記薬液(M)を押し出す押し子本体(36)と、
前記押し子本体(36)を前記先端方向へ前進させる前進機構(38)と、
前記押し子本体(36)を前記先端方向へ前進させるように前記前進機構(38)を駆動する駆動機構(39)と、
少なくとも前記筒体(12)および前記前進機構(38)を支持するシャーシ部材(24)と、
前記筒体(12)、前記押し子本体(36)、前記前進機構(38)、駆動機構(39)および前記シャーシ部材(24)を収容するハウジング(28)と、を備え、
前記筒体(12)は、前記シャーシ部材(24)に支持される第1被支持部を有し、
前記前進機構(38)は、前記シャーシ部材(24)に支持される第2被支持部を有し、
前記シャーシ部材(24)は、上面と下面とを有する板状のベースプレート部(62)と、前記ベースプレート部(62)の前記上面から突出し、前記ベースプレート部(62)に対する位置が固定されており少なくとも前記筒体(12)の前記第1被支持部の先端面を支持する第1支持部と、前記ベースプレート部(62)の前記上面から突出し、少なくとも前記前進機構(38)の前記第2被支持部の基端面を支持する第2支持部と、を有し、
前記筒体(12)及び前記押し子本体(36)及び前記前進機構(38)は、前記シャーシ部材(24)の前記上面側に配置されており、
前記ハウジング(28)は、少なくとも前記ベースプレート部(62)の下面に沿って延在し、前記ベースプレート部(62)を支持するシャーシ支持部(83)を有し、
前記シャーシ部材(24)は、前記ベースプレート部(62)から突出し、前記筒体(12)の軸方向に沿って延在するリブ構造(68)を有する、
ことを特徴とする薬液投与装置(10)。 - 請求項1記載の薬液投与装置(10)において、
前記リブ構造(68)は、少なくとも前記第1支持部の近傍から前記第2支持部の近傍にかけて延在する、
ことを特徴とする薬液投与装置(10)。 - 請求項1または2記載の薬液投与装置(10)において、
前記リブ構造(68)は、前記筒体(12)の前記軸方向に沿った前記ベースプレート部(62)の縁部に設けられた縁部側リブ(68a)を有する、
ことを特徴とする薬液投与装置(10)。 - 請求項3記載の薬液投与装置(10)において、
前記縁部側リブ(68a)は、孔部(24a)を有し、
前記シャーシ部材(24)は、前記孔部(24a)に挿通された締結部品(66)により前記ハウジング(28)に固定されている、
ことを特徴とする薬液投与装置(10)。 - 請求項1~4のいずれか1項記載の薬液投与装置(10)において、
前記リブ構造(68)は、前記第1支持部に連なっている、
ことを特徴とする薬液投与装置(10)。 - 請求項1~5のいずれか1項記載の薬液投与装置(10)において、
前記リブ構造(68)は、前記ベースプレート部(62)の前記下面から突出した下面側リブ(68b)を有する、
ことを特徴とする薬液投与装置(10)。 - 請求項6記載の薬液投与装置(10)において、
前記シャーシ支持部(83)は、前記下面側リブ(68b)が挿入された溝部(84a)を有する、
ことを特徴とする薬液投与装置(10)。 - 請求項1~7のいずれか1項記載の薬液投与装置(10)において、
前記リブ構造(68)と前記第1支持部は、前記ベースプレート部(62)と一体に形成されている、
ことを特徴とする薬液投与装置(10)。 - 請求項1~8のいずれか1項記載の薬液投与装置(10)において、
前記筒体(12)は、前記薬液(M)が充填された胴部(12a)と、前記胴部(12a)の基端部から外方に突出したフランジ部(12e)とを有し、
前記第1支持部は、前記フランジ部(12e)の先端面と前記フランジ部(12e)の基端面とを支持している、
ことを特徴とする薬液投与装置(10)。 - 請求項1~9のいずれか1項記載の薬液投与装置(10)において、
前記第2支持部は、前記ベースプレート部(62)に取り付けられた金属製の当接部材(45)に設けられている、
ことを特徴とする薬液投与装置(10)。 - 請求項1~10のいずれか1項記載の薬液投与装置(10)において、
前記前進機構(38)は、
前記筒体(12)の前記軸方向に沿って延在し、外周面に雄ねじ(50a)を有する送りねじ(51)と、
前記押し子本体(36)に設けられ、前記雄ねじ(50a)に螺合する雌ねじ(52a)を内周面に有する雌ねじ部と、
前記筒体(12)の前記軸方向に沿って延在し、前記雌ねじ部を支持するガイドレール(60)と、を備え、
前記雌ねじ部は、前記ガイドレール(60)により、前記シャーシ部材(24)に対して回転不能、且つ、前記シャーシ部材(24)に対して前記筒体(12)の前記軸方向に沿って移動可能に支持されており、
前記送りねじ(51)は、前記シャーシ部材(24)に回転可能に支持され、
前記駆動機構(39)は、前記送りねじ(51)を回転させる機構であり、
前記送りねじ(51)の回転により、前記雌ねじ部が前記送りねじ(51)に対して先端方向へ前進する、
ことを特徴とする薬液投与装置(10)。 - 請求項11記載の薬液投与装置(10)において、
前記駆動機構(39)は、モータ(44)と、前記モータ(44)の出力軸に固定された駆動歯車(46)とを有し、
前記送りねじ(51)は、前記筒体(12)の前記軸方向に沿って延在し、前記雄ねじ(50a)を有する送りねじ軸(50)と、前記送りねじ軸(50)に回転不能に連結され、前記駆動歯車(46)の回転が伝達される従動歯車(48)とを有する、
ことを特徴とする薬液投与装置(10)。 - 請求項12記載の薬液投与装置(10)において、
前記従動歯車(48)は、外周面に複数の歯が設けられた歯車本体(48c)と、前記歯車本体(48c)の回転中心に設けれ、前記歯車本体(48c)から前記先端方向および前記先端方向と反対の基端方向の両方に突出した回転軸(48d)とを有し、
前記回転軸(48d)の先端は、前記送りねじ軸(50)の基端に連結されており、前記回転軸(48d)の基端は、前記第2支持部に支持されている、
ことを特徴とする薬液投与装置(10)。
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JP2017050739 | 2017-03-16 | ||
JP2017050739 | 2017-03-16 | ||
PCT/JP2018/010148 WO2018168988A1 (ja) | 2017-03-16 | 2018-03-15 | 薬液投与装置 |
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JP6999647B2 true JP6999647B2 (ja) | 2022-01-18 |
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EP (1) | EP3597235A4 (ja) |
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DK1762259T3 (da) | 2005-09-12 | 2011-01-03 | Unomedical As | Indføringsindretning til infusionssæt med en første og en anden fjederenhed |
US10194938B2 (en) | 2011-03-14 | 2019-02-05 | UnoMedical, AS | Inserter system with transport protection |
CN209679181U (zh) * | 2019-01-30 | 2019-11-26 | 深圳中科生物医疗电子有限公司 | 一种输注泵 |
CN113573756B (zh) * | 2019-03-29 | 2023-07-11 | 泰尔茂株式会社 | 药液投放装置及药液投放组件 |
BR112021023304A2 (pt) | 2019-05-20 | 2022-02-01 | Unomedical As | Dispositivo de infusão rotativo e métodos do mesmo |
WO2023238839A1 (ja) * | 2022-06-07 | 2023-12-14 | 株式会社サーキュラス | 注入装置、及びアクチュエータの製造方法 |
CN114949448B (zh) * | 2022-06-27 | 2023-09-19 | 四川大学华西医院 | 一种防丢失便于佩戴定位的麻醉镇痛泵 |
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- 2018-03-15 WO PCT/JP2018/010148 patent/WO2018168988A1/ja unknown
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- 2018-03-15 EP EP18767406.4A patent/EP3597235A4/en not_active Withdrawn
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JP2011516196A (ja) | 2008-04-09 | 2011-05-26 | メディンゴ・リミテッド | 流体を送り出すためのシステム、装置および方法 |
JP2015521920A (ja) | 2012-07-05 | 2015-08-03 | ユニトラクト シリンジ プロプライエタリイ リミテッドUnitract Syringe Pty Ltd | 注射可能カートリッジ用自動注射器及びその為の駆動制御機構 |
JP3206763U (ja) | 2016-06-09 | 2016-10-06 | 柯▲韋▼倫 | ベッド用床板構造 |
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EP3597235A1 (en) | 2020-01-22 |
WO2018168988A1 (ja) | 2018-09-20 |
US20200001004A1 (en) | 2020-01-02 |
JPWO2018168988A1 (ja) | 2020-01-16 |
CN110402157A (zh) | 2019-11-01 |
EP3597235A4 (en) | 2020-09-02 |
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