KR20230058099A - 피스톤 - Google Patents

피스톤 Download PDF

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Publication number
KR20230058099A
KR20230058099A KR1020237009979A KR20237009979A KR20230058099A KR 20230058099 A KR20230058099 A KR 20230058099A KR 1020237009979 A KR1020237009979 A KR 1020237009979A KR 20237009979 A KR20237009979 A KR 20237009979A KR 20230058099 A KR20230058099 A KR 20230058099A
Authority
KR
South Korea
Prior art keywords
annular projection
piston
annular
syringe barrel
apex
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020237009979A
Other languages
English (en)
Korean (ko)
Inventor
히로시 스토
Original Assignee
가부시끼가이샤 다이쿄 세이코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 가부시끼가이샤 다이쿄 세이코 filed Critical 가부시끼가이샤 다이쿄 세이코
Publication of KR20230058099A publication Critical patent/KR20230058099A/ko
Pending legal-status Critical Current

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Classifications

    • 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
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding

Landscapes

  • 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)
  • Pistons, Piston Rings, And Cylinders (AREA)
KR1020237009979A 2020-08-31 2020-08-31 피스톤 Pending KR20230058099A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/032958 WO2022044340A1 (ja) 2020-08-31 2020-08-31 ピストン

Publications (1)

Publication Number Publication Date
KR20230058099A true KR20230058099A (ko) 2023-05-02

Family

ID=80355002

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237009979A Pending KR20230058099A (ko) 2020-08-31 2020-08-31 피스톤

Country Status (9)

Country Link
US (1) US20230293820A1 (https=)
EP (1) EP4205784A4 (https=)
JP (2) JP7193887B2 (https=)
KR (1) KR20230058099A (https=)
CN (1) CN116157169A (https=)
AU (1) AU2020465340A1 (https=)
CA (1) CA3192018A1 (https=)
TW (1) TW202224714A (https=)
WO (1) WO2022044340A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102794309B1 (ko) * 2023-05-10 2025-04-15 제이더블유생명과학 주식회사 주사기
EP4609898A1 (en) * 2024-02-28 2025-09-03 Becton, Dickinson and Company Method of manufacturing a laminated stopper, polymer blends for same and stoppers made therefrom

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5722766A (en) 1979-10-09 1982-02-05 Terumo Corp Syringe
JP2006181027A (ja) 2004-12-27 2006-07-13 Daikyo Seiko Ltd 注射器用ピストン

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895773A (en) * 1956-10-22 1959-07-21 Robert K Mcconnaughey Variable diameter tensed ring piston
US6511459B1 (en) * 2000-09-29 2003-01-28 Mallinckrodt Inc. Syringe plunger having an improved sealing ability
JP2006519070A (ja) * 2003-02-27 2006-08-24 バクスター・インターナショナル・インコーポレイテッド 注射器のためのピストンアセンブリ
WO2008151239A2 (en) * 2007-06-04 2008-12-11 Becton, Dickinson And Company Positive displacement stopper for a pre-filled syringe
JP5450731B2 (ja) * 2012-07-26 2014-03-26 テルモ株式会社 シリンジ
WO2014196056A1 (ja) * 2013-06-06 2014-12-11 テルモ株式会社 注射器およびプレフィルドシリンジ
WO2015150646A1 (fr) * 2014-04-02 2015-10-08 Aptar Stelmi Sas Ensemble de seringue anti-reflux
JP6478325B2 (ja) * 2015-05-08 2019-03-06 住友ゴム工業株式会社 プレフィルドシリンジ用ガスケットおよびプレフィルドシリンジ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5722766A (en) 1979-10-09 1982-02-05 Terumo Corp Syringe
JP2006181027A (ja) 2004-12-27 2006-07-13 Daikyo Seiko Ltd 注射器用ピストン

Also Published As

Publication number Publication date
WO2022044340A1 (ja) 2022-03-03
JP7193887B2 (ja) 2022-12-21
EP4205784A1 (en) 2023-07-05
TW202224714A (zh) 2022-07-01
EP4205784A4 (en) 2023-10-04
CA3192018A1 (en) 2022-03-03
JPWO2022044340A1 (https=) 2022-03-03
AU2020465340A1 (en) 2023-05-04
US20230293820A1 (en) 2023-09-21
JP2022062227A (ja) 2022-04-19
CN116157169A (zh) 2023-05-23
AU2020465340A9 (en) 2024-06-06

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