JP2020513928A - 動的封止付きシリンジプランジャ - Google Patents
動的封止付きシリンジプランジャ Download PDFInfo
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- JP2020513928A JP2020513928A JP2019536938A JP2019536938A JP2020513928A JP 2020513928 A JP2020513928 A JP 2020513928A JP 2019536938 A JP2019536938 A JP 2019536938A JP 2019536938 A JP2019536938 A JP 2019536938A JP 2020513928 A JP2020513928 A JP 2020513928A
- Authority
- JP
- Japan
- Prior art keywords
- support ring
- plunger
- conical cap
- cover
- syringe
- 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.)
- Granted
Links
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
-
- 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
- A61M2005/3123—Details having air entrapping or venting means, e.g. purging channels in pistons
-
- 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
- A61M2005/3131—Syringe barrels specially adapted for improving sealing or sliding
-
- 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
- A61M2207/00—Methods of manufacture, assembly or production
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)
Abstract
Description
本出願は、2017年1月6日に出願された米国仮特許出願第62/443,302号の利益を主張し、その開示の全体は参照により本明細書に組み入れられる。
y=1.3722x2+0.2746x−0.001 (1)
11 切断線
12 胴部
13 近位端
14 プランジャ
15 近位端
16 ピストンヘッド
17 プランジャロッド
18 ピストン
20 嵌合要素
21 近位端
22 遠位端
24 流出口
26 円筒形本体
28 側壁
29 内壁
30 円錐形キャップ
32 環状リブ
42 環状肩部
100 シリンジプランジャシステム
102 プランジャ
104 胴部
106 内壁
108 側壁
110 円錐形キャップ
112 オーバーモールド要素
114 カバー
116 支持リング
118 環状溝
120 環状リブ
122 環状リブ
124 環状スロット
126 環状スロット
128 空気キャビティ
130 接合部
132 内容積
134 開口部
150 先端
152 円錐形キャップ
154 環状肩部
160 円錐形キャップ
162 フランジ
200 シリンジプランジャシステム
202 プランジャ
204 シリンジ胴部
206 内壁
208 側壁
210 円錐形キャップ
212 オーバーモールド要素
214 カバー
216 支持リング
218 環状溝
220 環状リブ
222 環状リブ
224 環状スロット
226 環状スロット
230 空気キャビティ
232 内容積
234 開口部
240 注入圧力
242 径方向の力
250 先端部
252 円錐形キャップ
254 環状肩部
258 ギャップ
258’ ギャップ
258’’ ギャップ
258’’’ ギャップ
260 円錐形キャップ
262 フランジ
300 グラフ表現
302 曲線
350 グラフ表現
352 曲線
400 グラフ表現
402 棒グラフ
500 グラフ表現
ED 外径
F 流体
ID 内径
T1 第1の期間
T2 第2の期間
T3 第3の期間
Claims (24)
- 支持リングと、
前記支持リング上に配置されかつそれに結合されたカバーであって、前記支持リングおよび前記カバーがそれらの間に空気キャビティを画定し、前記空気キャビティが所定の容積を画定する、カバーと
を含む、プランジャ。 - 前記カバー上に配置された円錐形キャップをさらに含む、請求項1に記載のプランジャ。
- 前記円錐形キャップが、その上に配置されたオーバーモールド要素を含む、請求項2に記載のプランジャ。
- 前記カバーが、第1および第2の環状リブをさらに含む、請求項1から3のいずれか一項に記載のプランジャ。
- 前記カバーが、
円錐形キャップと、
少なくとも1つの環状リブを有する円筒形側壁と、
前記支持リングと係合するためのフランジとを含む、請求項1から4のいずれか一項に記載のプランジャ。 - 前記支持リングが、約90°より大きい狭角を画定する円錐形キャップを含む、請求項1から5のいずれか一項に記載のプランジャ。
- 前記支持リングの前記円錐形キャップが、約90°より大きくかつ約120°より小さい狭角を画定する、請求項6に記載のプランジャ。
- 前記支持リングの前記円錐形キャップおよび前記カバーの前記円錐形キャップが、それらの間に角度を画定する、請求項6または7に記載のプランジャ。
- 前記支持リングの前記円錐形キャップと前記カバーの前記円錐形キャップとの間に画定される前記角度が、0°より大きく約30°より小さい、請求項8に記載のプランジャ。
- 前記支持リングが、肩部を含み、
前記支持リングが、前記カバーによって画定されたフランジを受け取るために前記肩部と前記円錐形キャップとの間に環状溝を画定する、請求項1から9のいずれか一項に記載のプランジャ。 - 前記所定の容積が、0.1mL〜10mLの範囲内で選択される、請求項1から10のいずれか一項に記載のプランジャ。
- 内壁を画定する胴部と、
前記胴部の前記内壁内に配置されているプランジャと
を含むシリンジであって、前記プランジャが、
支持リングと、
前記支持リング上に配置されかつそれに結合されたカバーであって、所定の容積を画定する空気キャビティが前記支持リングと前記カバーとの間に画定される、カバーと
を含む、
シリンジ。 - 前記プランジャが、前記カバー上に配置された円錐形キャップを含む、請求項12に記載のシリンジ。
- 前記円錐形キャップが、その上に配置されたオーバーモールド要素を含む、請求項13に記載のシリンジ。
- 前記カバーが、前記胴部の前記内壁との封止を形成する第1および第2の環状リブをさらに含む、請求項12から14のいずれか一項に記載のシリンジ。
- 前記カバーが、
円錐形キャップと、
少なくとも1つの環状リブを有する円筒形側壁と、
前記支持リングと係合するためのフランジとを含む、請求項12から15のいずれか一項に記載のシリンジ。 - 前記支持リングが、約90°より大きい狭角を画定する円錐形キャップを含む、請求項12から16のいずれか一項に記載のシリンジ。
- 前記支持リングの前記円錐形キャップが、約90°より大きくかつ約120°より小さい狭角を画定する、請求項17に記載のシリンジ。
- 前記支持リングの前記円錐形キャップおよび前記カバーの前記円錐形キャップが、それらの間に角度を画定する、請求項17または18に記載のシリンジ。
- 前記支持リングの前記円錐形キャップと前記カバーの前記円錐形キャップとの間に画定される前記角度が、0°より大きく約30°より小さい、請求項19に記載のシリンジ。
- 前記支持リングが、肩部を含み、
前記支持リングが、前記カバーによって画定されたフランジを受け取るために前記肩部と前記円錐形キャップとの間に環状溝を画定する、請求項12から20のいずれか一項に記載のシリンジ。 - 前記所定の容積が、0.1mL〜10mLの範囲内で選択される、請求項12から21のいずれか一項に記載のシリンジ。
- プランジャを製造する方法であって、前記方法は、
支持リングを設けるステップであって、前記支持リングが、第1の円錐形キャップと、肩部とを含み、前記肩部と前記円錐形キャップとの間に環状溝を画定する、ステップと、
カバーを前記支持リングに取り付けるステップであって、前記カバーが、第2の円錐形キャップと、円筒形側壁と、前記支持リングの前記環状溝と係合するためのフランジとを含む、ステップと、
前記カバーの前記第2の円錐形キャップに第3の円錐形キャップを取り付けるステップとを含む、方法。 - シリンジを製造する方法であって、
シリンジ胴部を提供するステップと、
プランジャを製造するステップであって、
支持リングを設ける工程であって、前記支持リングが、第1の円錐形キャップと、肩部とを含み、前記肩部と前記円錐形キャップとの間に環状溝を画定する、工程と、
カバーを前記支持リングに取り付ける工程であって、前記カバーが、第2の円錐形キャップと、円筒形側壁と、前記支持リングの前記環状溝と係合するためのフランジとを含む、工程と、
前記カバーの前記第2の円錐形キャップに第3の円錐形キャップを取り付ける工程と
を含む方法によってプランジャを製造するステップと、
前記プランジャを前記シリンジ胴部に挿入するステップと
を含む、方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2022118723A JP2022140575A (ja) | 2017-01-06 | 2022-07-26 | プランジャの円筒形側壁とシリンジの内側壁との間のシールを強化する方法および流体注入システム |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762443302P | 2017-01-06 | 2017-01-06 | |
US62/443,302 | 2017-01-06 | ||
PCT/US2018/012284 WO2018129116A1 (en) | 2017-01-06 | 2018-01-04 | Syringe plunger with dynamic seal |
Related Child Applications (1)
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JP2022118723A Division JP2022140575A (ja) | 2017-01-06 | 2022-07-26 | プランジャの円筒形側壁とシリンジの内側壁との間のシールを強化する方法および流体注入システム |
Publications (2)
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JP2020513928A true JP2020513928A (ja) | 2020-05-21 |
JP7114598B2 JP7114598B2 (ja) | 2022-08-08 |
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JP2019536938A Active JP7114598B2 (ja) | 2017-01-06 | 2018-01-04 | 動的封止付きシリンジプランジャ |
JP2022118723A Pending JP2022140575A (ja) | 2017-01-06 | 2022-07-26 | プランジャの円筒形側壁とシリンジの内側壁との間のシールを強化する方法および流体注入システム |
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JP2022118723A Pending JP2022140575A (ja) | 2017-01-06 | 2022-07-26 | プランジャの円筒形側壁とシリンジの内側壁との間のシールを強化する方法および流体注入システム |
Country Status (16)
Country | Link |
---|---|
US (2) | US11351306B2 (ja) |
EP (2) | EP4292627A3 (ja) |
JP (2) | JP7114598B2 (ja) |
CN (2) | CN115282407A (ja) |
AR (1) | AR110879A1 (ja) |
AU (2) | AU2018205704B2 (ja) |
CA (1) | CA3049207A1 (ja) |
DK (1) | DK3565619T3 (ja) |
ES (1) | ES2960350T3 (ja) |
FI (1) | FI3565619T3 (ja) |
HR (1) | HRP20231267T1 (ja) |
HU (1) | HUE063479T2 (ja) |
PL (1) | PL3565619T3 (ja) |
PT (1) | PT3565619T (ja) |
TW (1) | TWI664988B (ja) |
WO (1) | WO2018129116A1 (ja) |
Families Citing this family (4)
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PT3565619T (pt) | 2017-01-06 | 2023-10-17 | Bayer Healthcare Llc | Êmbolo de seringa com vedação dinâmica |
EP3758777B1 (en) | 2018-02-27 | 2022-12-21 | Bayer HealthCare, LLC | Syringe plunger engagement mechanism |
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US20240001037A1 (en) * | 2022-07-01 | 2024-01-04 | Merit Medical Systems, Inc. | Plunger tip cover with locking members, systems, and methods |
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PL3565619T3 (pl) | 2024-03-11 |
AU2018205704A1 (en) | 2019-07-11 |
US20220288322A1 (en) | 2022-09-15 |
ES2960350T3 (es) | 2024-03-04 |
CN110167616B (zh) | 2022-06-28 |
HRP20231267T1 (hr) | 2024-02-02 |
EP4292627A3 (en) | 2024-03-20 |
JP7114598B2 (ja) | 2022-08-08 |
EP4292627A2 (en) | 2023-12-20 |
CN110167616A (zh) | 2019-08-23 |
DK3565619T3 (da) | 2023-10-30 |
AU2018205704B2 (en) | 2023-08-24 |
US11351306B2 (en) | 2022-06-07 |
WO2018129116A1 (en) | 2018-07-12 |
JP2022140575A (ja) | 2022-09-26 |
FI3565619T3 (fi) | 2023-10-16 |
HUE063479T2 (hu) | 2024-01-28 |
AR110879A1 (es) | 2019-05-15 |
CN115282407A (zh) | 2022-11-04 |
TWI664988B (zh) | 2019-07-11 |
CA3049207A1 (en) | 2018-07-12 |
US11969582B2 (en) | 2024-04-30 |
AU2023270296A1 (en) | 2023-12-14 |
PT3565619T (pt) | 2023-10-17 |
EP3565619A1 (en) | 2019-11-13 |
US20200086057A1 (en) | 2020-03-19 |
EP3565619B1 (en) | 2023-07-26 |
TW201829009A (zh) | 2018-08-16 |
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