JP2021041219A - 医療用採液注入器 - Google Patents
医療用採液注入器 Download PDFInfo
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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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
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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
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J7/00—Devices for administering medicines orally, e.g. spoons; Pill counting devices; Arrangements for time indication or reminder for taking medicine
- A61J7/0015—Devices specially adapted for taking medicines
- A61J7/0053—Syringes, pipettes or oral dispensers
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/06—Milking pumps
- A61M1/062—Pump accessories
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/80—Suction pumps
- A61M1/81—Piston pumps, e.g. syringes
- A61M1/815—Piston pumps, e.g. syringes the barrel serving as aspiration container, e.g. in a breast pump
-
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
-
- 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
- A61M5/3129—Syringe barrels
-
- 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
-
- 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
- A61M5/3286—Needle tip design, e.g. for improved penetration
-
- 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
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
- A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
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- Heart & Thoracic Surgery (AREA)
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- Pediatric Medicine (AREA)
- Pathology (AREA)
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- Molecular Biology (AREA)
- Surgery (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Description
<構成>
図1Aは、本発明の実施形態1にかかる医療用採液注入器(以下、単に「注入器」という)1の斜視図である。図1Bは、注入器1の断面図である。図2は、注入器1の分解斜視図である。注入器1は、バレル(外筒)12及びプランジャ18を有する注入器本体10と、採液針20とを備える。以下の説明の便宜のために、プランジャ18の側を注入器1の「上」側といい、採液針20の側を注入器1の「下」側という。また、プランジャ18と採液針20とを結ぶ方向を注入器1の「長手方向」という。
注入器1は、上述した簡易懸濁法を行う場合に使用することができる。注入器1を用いた簡易懸濁法は以下のようにして行われる。
本実施形態1によれば、容器内の薬液を注入器本体10内に吸引する作業(吸引作業)は、筒先14に採液針20を装着して行い、一方、注入器本体10内の薬液を患者に投与する作業(投与作業)は、採液針20を用いずに、筒先14をオスコネクタ910に接続して行う。吸引作業では、採液針20の先端が薬液中に浸漬される。また、採液針20の接続筒21はバレル12の径小部16に液密に接続される。従って、螺状突起925を含む管状部921の外周面に薬液が付着することはない。このため、その後、筒先14をオスコネクタ910に接続したときに、薬液がオスコネクタ910の外筒913の内周面(特に雌ネジ915)に付着することはない。従って、オスコネクタ910が長期間にわたって患者に留置されたとしても、オスコネクタ910が不衛生状態に至るのを防止することができる。
<構成>
図5Aは、本発明の実施形態2にかかる注入器2の斜視図である。図5Bは、注入器2の断面図である。本実施形態2の注入器2は、採液針220がバレル212と一体的に成形された一部品を構成する点で、採液針20がバレル12と別部品であった実施形態1の注入器1と異なる。実施形態2の注入器2を構成する部材のうち、実施形態1の注入器1を構成する部材と同じ部材には、実施形態1と同じ符号を付して、それらの詳細な説明を省略する。
注入器2は、上述した簡易懸濁法を行う場合に使用することができる。注入器2を用いた簡易懸濁法は以下のようにして行われる。
本実施形態2によれば、容器内の薬液を注入器本体210内に吸引する作業(吸引作業)は、バレル212に採液針220が接続された状態で行い、その後の、注入器本体210内の薬液を患者に投与する作業(投与作業)は、採液針220を分離除去して、筒先14をオスコネクタ910に接続して行う。従って、実施形態1と同様に、吸引作業では、螺状突起925を含む管状部921の外周面に薬液が付着することはない。このため、その後、筒先14をオスコネクタ910に接続したときに、薬液がオスコネクタ910の外筒913の内周面(特に雌ネジ915)に付着することはない。従って、オスコネクタ910が長期間にわたって患者に留置されたとしても、オスコネクタ910が不衛生状態に至るのを防止することができる。
<構成>
図8Aは、本発明の実施形態3にかかる注入器3の斜視図である。図8Bは、注入器3の断面図である。図9は、注入器3の分解斜視図である。図9に示されているように、注入器3は、バレル(外筒)12及びプランジャ18を有する注入器本体10と、採液針320と、ノズルチップ350とを備える。採液針320と、ノズルチップ350とは、採液ノズル360を構成する。本実施形態3の注入器本体10は、実施形態1の注入器本体10と同じである。実施形態3の注入器3を構成する部材のうち、実施形態1の注入器1を構成する部材と同じ部材には、実施形態1と同じ符号を付して、それらの詳細な説明を省略する。
本実施形態の注入器3は、実施形態1,2の注入器1,2と同様に簡易懸濁法に使用できることに加えて、母乳採取に使用することもできる。
本実施形態3によれば、簡易懸濁法を行う場合、容器内の薬液を注入器本体10内に吸引する作業(吸引作業)は、筒先14に採液針320を装着して行い、一方、注入器本体10内の薬液を患者に投与する作業(投与作業)は、採液針320を用いずに、筒先14をオスコネクタ910に接続して行う。従って、実施形態1と同様に、吸引作業では、螺状突起925を含む管状部921の外周面に薬液が付着することはない。このため、その後、筒先14をオスコネクタ910に接続したときに、薬液がオスコネクタ910の外筒913の内周面(特に雌ネジ915)に付着することはない。従って、オスコネクタ910が長期間にわたって患者に留置されたとしても、オスコネクタ910が不衛生状態に至るのを防止することができる。
12,212 バレル
14 筒先
15 貯液部
16,216 径小部
18 プランジャ
20,220,320 採液針
21 採液針の基端(接続筒)
22 リブ(嵌合形状)
28 採液針の流路
221 採液針の基端
350 ノズルチップ
352 ノズルチップの開口
354 突起(ロック機構)
355 ノズルチップのオステーパ面
360 採液ノズル
921 管状部
922 管状部の内周面(メステーパ面)
925 螺状突起(雄ネジ)
Claims (9)
- 一端に開口を備え他端に筒先を備えた筒状のバレルと、前記バレルの前記開口に挿入されたプランジャと、筒状の採液針とを備えた医療用採液注入器であって、
前記筒先は、円筒形状の管状部と、前記管状部の外周面に形成された螺状突起とを備え、
前記管状部の内周面は、先端に近づくにしたがって内径が大きくなるメステーパ面であり、
前記バレルは、前記プランジャが挿入される貯液部と前記管状部との間に、内径が相対的に小さな径小部を備え、
前記採液針の基端は前記径小部に液密に接続され、前記採液針の先端は前記筒先から突出していることを特徴とする医療用採液注入器。 - 前記バレルと前記採液針とは別部品であり、
前記採液針は、前記筒先に着脱可能に装着されている請求項1に記載の医療用採液注入器。 - 前記採液針に、前記管状部の前記内周面に嵌合する嵌合形状が形成されている請求項2に記載の医療用採液注入器。
- 前記バレルと前記採液針とは一体的に成形された一部品を構成し、
前記採液針と前記バレルとは、前記基端と前記径小部との境界にて不可逆的に分離可能である請求項1に記載の医療用採液注入器。 - 前記採液針の少なくとも先端を覆うように、前記採液針に着脱可能に装着されるノズルチップを更に備え、
前記ノズルチップは、前記ノズルチップが前記採液針に装着されたときに前記採液針の流路に連通するように設けられた開口を備える請求項1〜4のいずれか一項に記載の医療用採液注入器。 - 前記ノズルチップが前記採液針に装着されたときに、前記採液針と前記ノズルチップとの間に気密及び液密なシールが形成される請求項5に記載の医療用採液注入器。
- 前記ノズルチップが前記採液針に装着された状態を維持するためのロック機構が設けられている請求項5又は6に記載の医療用採液注入器。
- 前記ノズルチップの外周面に、先端に近づくにしたがって外径が小さくなるオステーパ面が設けられている請求項5〜7のいずれか一項に記載の医療用採液注入器。
- 前記管状部と前記螺状突起と前記メステーパ面とは、ISO80369−3に準拠する請求項1〜8のいずれか一項に記載の医療用採液注入器。
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JP2020198871A Pending JP2021041219A (ja) | 2015-01-19 | 2020-11-30 | 医療用採液注入器 |
JP2021196934A Pending JP2022028926A (ja) | 2015-01-19 | 2021-12-03 | 医療用採液注入器 |
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US (1) | US20180014998A1 (ja) |
EP (1) | EP3248640B1 (ja) |
JP (3) | JP7030411B2 (ja) |
KR (1) | KR102507581B1 (ja) |
CN (1) | CN107206189B (ja) |
WO (1) | WO2016117545A1 (ja) |
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KR20220162380A (ko) * | 2021-06-01 | 2022-12-08 | 김경수 | 재사용방지용 최소잔량 주사기 |
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US11471610B1 (en) | 2018-10-18 | 2022-10-18 | Robert Banik | Asymmetrical closure for a medical device |
USD948713S1 (en) | 2019-09-03 | 2022-04-12 | International Medical Industries, Inc. | Asymmetrical self righting tip cap |
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WO2020203143A1 (ja) * | 2019-04-01 | 2020-10-08 | 株式会社ジェイ・エム・エス | 採液チップ |
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US11697527B1 (en) | 2019-09-11 | 2023-07-11 | Logan Hendren | Tamper evident closure assembly |
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US11904149B1 (en) | 2020-02-18 | 2024-02-20 | Jonathan Vitello | Oral tamper evident closure with retained indicator |
WO2021192637A1 (ja) * | 2020-03-24 | 2021-09-30 | テルモ株式会社 | 注射器バレル用グリップおよびバレル組立体ならびにシリンジ |
US11523970B1 (en) | 2020-08-28 | 2022-12-13 | Jonathan Vitello | Tamper evident shield |
AU2021356704A1 (en) | 2020-10-09 | 2023-06-01 | Icu Medical, Inc. | Fluid transfer device and method of use for same |
US12070591B1 (en) | 2020-12-14 | 2024-08-27 | Patrick Vitello | Snap action tamper evident closure assembly |
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2016
- 2016-01-19 CN CN201680006298.4A patent/CN107206189B/zh active Active
- 2016-01-19 KR KR1020177022057A patent/KR102507581B1/ko active IP Right Grant
- 2016-01-19 US US15/544,475 patent/US20180014998A1/en not_active Abandoned
- 2016-01-19 JP JP2016570648A patent/JP7030411B2/ja active Active
- 2016-01-19 EP EP16740152.0A patent/EP3248640B1/en active Active
- 2016-01-19 WO PCT/JP2016/051412 patent/WO2016117545A1/ja active Application Filing
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2020
- 2020-11-30 JP JP2020198871A patent/JP2021041219A/ja active Pending
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2021
- 2021-12-03 JP JP2021196934A patent/JP2022028926A/ja active Pending
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KR20220162380A (ko) * | 2021-06-01 | 2022-12-08 | 김경수 | 재사용방지용 최소잔량 주사기 |
KR102604179B1 (ko) * | 2021-06-01 | 2023-11-23 | 김경수 | 재사용방지용 최소잔량 주사기 |
Also Published As
Publication number | Publication date |
---|---|
KR20170106368A (ko) | 2017-09-20 |
KR102507581B1 (ko) | 2023-03-08 |
CN107206189B (zh) | 2021-02-12 |
EP3248640A1 (en) | 2017-11-29 |
JPWO2016117545A1 (ja) | 2017-10-26 |
JP7030411B2 (ja) | 2022-03-07 |
EP3248640A4 (en) | 2018-08-08 |
WO2016117545A1 (ja) | 2016-07-28 |
CN107206189A (zh) | 2017-09-26 |
JP2022028926A (ja) | 2022-02-16 |
US20180014998A1 (en) | 2018-01-18 |
EP3248640B1 (en) | 2020-03-11 |
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