TW202224714A - 柱塞 - Google Patents
柱塞 Download PDFInfo
- Publication number
- TW202224714A TW202224714A TW110132009A TW110132009A TW202224714A TW 202224714 A TW202224714 A TW 202224714A TW 110132009 A TW110132009 A TW 110132009A TW 110132009 A TW110132009 A TW 110132009A TW 202224714 A TW202224714 A TW 202224714A
- Authority
- TW
- Taiwan
- Prior art keywords
- annular
- annular projection
- plunger
- syringe barrel
- vertex
- Prior art date
Links
- 230000004323 axial length Effects 0.000 claims description 36
- 229920001971 elastomer Polymers 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000806 elastomer Substances 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 description 24
- 238000007789 sealing Methods 0.000 description 24
- 238000012360 testing method Methods 0.000 description 14
- -1 polytetrafluoroethylene Polymers 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000005060 rubber Substances 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 9
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005549 butyl rubber Polymers 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 239000013013 elastic material Substances 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 229920005557 bromobutyl Polymers 0.000 description 4
- 229920005556 chlorobutyl Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229940071643 prefilled syringe Drugs 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000004813 Perfluoroalkoxy alkane Substances 0.000 description 3
- 229920002367 Polyisobutene Polymers 0.000 description 3
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920005996 polystyrene-poly(ethylene-butylene)-polystyrene Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
Images
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| WOPCT/JP2020/032958 | 2020-08-31 | ||
| PCT/JP2020/032958 WO2022044340A1 (ja) | 2020-08-31 | 2020-08-31 | ピストン |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW202224714A true TW202224714A (zh) | 2022-07-01 |
Family
ID=80355002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW110132009A TW202224714A (zh) | 2020-08-31 | 2021-08-30 | 柱塞 |
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)
| 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 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2895773A (en) * | 1956-10-22 | 1959-07-21 | Robert K Mcconnaughey | Variable diameter tensed ring piston |
| JPS5918427B2 (ja) | 1979-10-09 | 1984-04-27 | テルモ株式会社 | シリンジ用ガスケツト |
| 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 |
| JP2006181027A (ja) | 2004-12-27 | 2006-07-13 | Daikyo Seiko Ltd | 注射器用ピストン |
| 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 |
-
2020
- 2020-08-31 US US18/020,524 patent/US20230293820A1/en active Pending
- 2020-08-31 EP EP20951589.9A patent/EP4205784A4/en active Pending
- 2020-08-31 JP JP2021542470A patent/JP7193887B2/ja active Active
- 2020-08-31 CN CN202080103654.0A patent/CN116157169A/zh active Pending
- 2020-08-31 AU AU2020465340A patent/AU2020465340A1/en active Pending
- 2020-08-31 CA CA3192018A patent/CA3192018A1/en active Pending
- 2020-08-31 WO PCT/JP2020/032958 patent/WO2022044340A1/ja not_active Ceased
- 2020-08-31 KR KR1020237009979A patent/KR20230058099A/ko active Pending
-
2021
- 2021-08-30 TW TW110132009A patent/TW202224714A/zh unknown
-
2022
- 2022-02-10 JP JP2022019646A patent/JP2022062227A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022044340A1 (ja) | 2022-03-03 |
| JP7193887B2 (ja) | 2022-12-21 |
| EP4205784A1 (en) | 2023-07-05 |
| 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 |
| KR20230058099A (ko) | 2023-05-02 |
| CN116157169A (zh) | 2023-05-23 |
| AU2020465340A9 (en) | 2024-06-06 |
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