JP7662672B2 - 注入器とのシリンジプランジャ係合のためのシステムおよび方法 - Google Patents
注入器とのシリンジプランジャ係合のためのシステムおよび方法 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
- 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
- A61M5/007—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 for contrast media
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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
- A61M5/14546—Front-loading type injectors
-
- 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
- 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
-
- 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
- A61M5/31515—Connection of piston with piston rod
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/365—Air detectors
-
- 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
- A61M5/14546—Front-loading type injectors
- A61M2005/14553—Front-loading type injectors comprising a pressure jacket
-
- 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
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
- A61M2205/502—User interfaces, e.g. screens or keyboards
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
本出願は、2020年6月18日に出願された米国仮特許出願第62/705,265の優先権を主張するものであり、その開示は参照によりその全体が本明細書に組み込まれる。
11 ユーザインターフェース
12、300、2006a、2006b シリンジ
13、400、500、600、700、800、900、1000、1100、2700 ピストン
14 注入器ハウジング
15 圧力ジャケット
16 シリンジポート
17 流体経路セット
17A 第1の流体経路、バルク流体経路
17B 第2の流体経路、バルク流体経路
18 シリンジバレル
19A、19B バルク流体容器
20、320、336、382、432、470、474、490、532、632、674、713、813、1074、1113、1132、1153、1176 近位端
21A、21B バルク流体経路
23A、23B バルク流体弁
26、326 プランジャ
100 デュアルシリンジ血管造影注入器システム、注入器
200 コントローラ
202 バス
204 プロセッサ
206 メモリ
208 記憶コンポーネント
210 入力コンポーネント
212 出力コンポーネント
214 通信インターフェース
240 上流空気検出器
250 空気検出管領域
315 シリンジ長手方向軸
318 シリンジバレル
319 側壁
321、360、442、1042、1142 外表面
322 ノズル
323、352、428、436、728、828、1128 内表面
324、338、426、468、476、478、486、626、676、726、815、826、1076、1117、1147、1151、1174 遠位端
325 内部容積
327 駆動ショルダ
329、444、544、644、1044、1144 歯付き部分
330 挿入セクション
331 シリンジ保持部材
332 プランジャ本体
334 プランジャ長手方向軸
335 ドリップフランジ
339 周方向側壁
340 内部空洞
342 円錐形状部分
344 円筒形状部分
345、456、679、1156 レッジ
346 端部
347a、673 第1の部分
347b、675 第2の部分
348 成形ボス、表面
350 保持リブ
356 伸長部
357 プランジャカバー
358 弾力的シール
362 周方向溝
364 外部表面
368 可撓性保持部材
366 封止要素
369、369b 丸みまたは傾斜解放面
370 第1の端部、第1の遠位端
372 第2の端部、第2の近位端
374 キャッチ
377 遠位面
375 丸みまたは傾斜キャッチ面
379、2799 近位面
380、390 解放タブ
384 ガイド面
402 電動モータ、駆動機構
404、704、804、1104 本体
406、606、706、806、920、1006、1106 ピストンヘッド
412 ピストン係合スリーブ、プランジャ係合機構、ピストン係合機構
414 ピストン係合スリーブ、プランジャ係合スリーブ
415、515、615、815、1015、1115 受容空間
416、516、616、716、816、1016、1116 中央開口部
418 プランジャ係合ポスト
420 長手方向ピストン軸、長手方向軸
422、822、1122 アクチュエータ
424 アクチュエータ、中空体
430、530、630、730、1130 傾斜部
434、634、834 係止リブ
438、538 長手方向溝
439、539、1139 案内ピン
440、540 遠位ストップ
446、1146、2002 ハウジング
448 接続部材
450 雄ねじコネクタ
452、519 近位部分
454 遠位部分
458、558、1158 プランジャ解放スリーブ
460、560、1160 円筒形側壁
462、523、562、1162、2016 開口部
463、563、1163 長手方向面
464 長手方向軸、傾斜面
466、566、1166 傾斜面
472 シャフト、ライト
474、1175 プリント回路基板
478、678、1078 テーパ状端面
480、1119、1180 シール
482、531、564 長手方向軸
484、2784 弾力的弾性部材
488 レッジ
496、1196 付勢部材
512、612、712、812、1012 プランジャ係合機構
514、714、814、2714 プランジャ係合スリーブ
518 プランジャ係合ポスト、ピストン係合ポスト
520 ピストン長手方向軸、長手方向ピストン軸、長手方向軸
521、721 ポスト部分
524、624、724、824、1024、1124 中空体
525 接続片
526 遠位端、端部
527、1127 係止溝
528 内表面
533 貫通孔
614 ピストン係合スリーブ、プランジャ係合スリーブ
618、718、818、1018 プランジャ係合ポスト
620 長手方向ピストン軸、長手方向軸
665 溝
667 長手方向軸、外表面
671、1071 回転機構
672、1072、1172 シャフト
705、805、1105 検知部材
707、1107 ピン
709、809、1109 センサ
711 ばね
715 遠位端、受容空間
717 第1の段部
719 第2の段部
720 長手方向軸、長手方向ピストン軸
722 アクチュエータ
723 近位部分
729、950 係止リップ
737 径方向溝
803、1173 ライト
807 検知スリーブ
817 ばね
820 長手方向ピストン軸、長手方向軸
901 ステム
912 プランジャ係合機構、ピストン係合機構
940 ピストン空洞
960 丸みまたは傾斜遠位面
970 丸みまたは傾斜近位面
980 係止部材
990 凹部
1014 プランジャ係合スリーブ、ピストン係合スリーブ
1020 長手方向ピストン軸
1065 係止溝
1112 プランジャ係合スリーブ、プランジャ係合機構、ピストン係合機構
1114 プランジャ係合スリーブ、ピストン係合スリーブ
1118 プランジャ係合ポスト、プランジャ係合スリーブ、ピストン係合ポスト
1120 長手方向ピストン軸、長手方向軸
1126 遠位端、端部
1145 プランジャ解放歯
1149 尖端
1152 近位部分
1154 遠位部分
1161 内側空洞
1164 長手方向軸、傾斜面
1178 テーパ状端面、テーパ状表面
2000 注入器アセンブリ
2004a、2004b 圧力ジャケット
2008、2008a、2008b、2036 キャップ
2009a、2009b ネック
2010a、2010b、2012a、2012b、2014、2020a、2020b、2038 取り付けインターフェース
2030 シリンジアセンブリ
2032 シリンジ本体
2034 ネック部分
2750 可撓性保持部材
2755 保持キャッチ
2774 係合フランジまたはキャッチ
2798 可動係止部材
Claims (13)
- シリンジと共に使用するためのプランジャであって、前記プランジャは、
中央長手方向軸を画定し、近位端、遠位端、および前記近位端と前記遠位端とを接続する周方向側壁を有するプランジャ本体と、
前記プランジャ本体に関連付けられ、そこから近位に延在する少なくとも1つの保持部材であって、前記少なくとも1つの保持部材は、
前記プランジャ本体に接続された第1の端部と、
前記第1の端部の近位にあり、前記第1の端部に対して径方向に弾力的に偏向可能な第2の端部と、
前記第2の端部の少なくとも1つのキャッチと、
を備える、少なくとも1つの保持部材と、
を備え、
前記少なくとも1つの保持部材は、前記プランジャがピストンとの係止状態にあるときに流体注入器システムのピストン上のプランジャ係合機構のプランジャ係合スリーブと係合するように構成された外表面を有することができ、
前記少なくとも1つの保持部材は、前記プランジャが前記ピストンとの係止状態にあるときに前記プランジャ係合機構のプランジャ係合ポストと係合するように構成された内表面を有し、
前記少なくとも1つのキャッチは、前記プランジャが、前記ピストンに対する前記プランジャの軸方向移動を防止するために前記ピストンとの係止状態にあるときに、前記プランジャ係合スリーブおよび前記プランジャ係合ポストの一方の係止機能部と固定的に係合するように構成されており、
前記少なくとも1つのキャッチは、前記ピストンに対する前記プランジャの係合中に、前記プランジャ係合スリーブおよび前記プランジャ係合ポストの一方の前記係止機能部の遠位端と固定的に係合するための、前記少なくとも1つのキャッチの近位端の第1の丸みまたは傾斜近位表面と、前記ピストンからの前記プランジャの係合解除中に、前記プランジャ係合スリーブおよび前記プランジャ係合ポストの一方の前記係止機能部の近位端と固定的に係合するための、前記少なくとも1つのキャッチの遠位端の第2の丸みまたは傾斜遠位表面と、を有し、
前記プランジャの係止解除状態において、前記少なくとも1つのキャッチの前記第1の丸みまたは傾斜近位表面および前記第2の丸みまたは傾斜遠位表面は、前記プランジャ係合スリーブおよび前記プランジャ係合ポストの一方の前記係止機能部との前記少なくとも1つのキャッチの屈曲の相互作用により、前記プランジャに対する前記ピストンの軸方向移動時に、前記少なくとも1つの保持部材の前記第2の端部を径方向に偏向させるように構成されている、プランジャ。 - 前記少なくとも1つの保持部材は、前記中央長手方向軸の周りに離間した複数の保持部材を備える、請求項1に記載のプランジャ。
- 前記少なくとも1つの保持部材は、前記中央長手方向軸と平行な方向で近位に延在する、請求項1に記載のプランジャ。
- 前記プランジャは、前記流体注入器システムの前記ピストンに対する前記プランジャの角度配向にかかわらず、前記プランジャ係合機構と係合するように構成されている、請求項1に記載のプランジャ。
- 前記少なくとも1つのキャッチは、前記中央長手方向軸に向かう方向に前記少なくとも1つの保持部材の前記内表面から径方向内向きに突出している、請求項1に記載のプランジャ。
- 前記少なくとも1つのキャッチは、前記中央長手方向軸から離れる方向に前記少なくとも1つの保持部材の前記外表面から径方向外向きに突出している、請求項1に記載のプランジャ。
- 前記少なくとも1つのキャッチは、前記プランジャが前記ピストンに接続されたときに前記プランジャ係合機構の少なくとも一部を受容するための係止凹部を画定する、請求項1に記載のプランジャ。
- 前記少なくとも1つのキャッチは、前記中央長手方向軸に向かう方向に前記少なくとも1つの保持部材の前記内表面から径方向内向きに突出し、前記少なくとも1つのキャッチは、前記プランジャが前記ピストンとの係止状態にあるときに、前記プランジャ係合ポストの外表面から径方向内向きに突出する係止溝として成形され得る前記係止機能部内に受容されるように構成されている、請求項1に記載のプランジャ。
- 前記プランジャ本体は、前記遠位端に円錐形状部分を有し、前記近位端に円筒形状部分を有する、請求項1に記載のプランジャ。
- 前記少なくとも1つの保持部材は、前記円錐形状部分の内表面から近位に突出している、請求項9に記載のプランジャ。
- 前記円筒形状部分の内表面から径方向内向きに、または前記円筒形状部分の前記内表面から近位に突出している複数の解放タブをさらに備え、前記複数の解放タブの各々は、前記中央長手方向軸の周りの前記プランジャの回転時に前記ピストンからの前記プランジャの解放を発動させるために前記プランジャ係合スリーブと相互作用するように構成されている、請求項10に記載のプランジャ。
- 前記複数の解放タブの各々の近位端は尖ったガイド面を有する、請求項11に記載のプランジャ。
- 前記プランジャが前記ピストンと係止状態にある場合、前記少なくとも1つのキャッチは前記中央長手方向軸から離れる方向に、前記少なくとも1つの保持部材の外表面から径方向外向きに突出し、且つ前記少なくとも1つのキャッチは、前記プランジャ係合スリーブの内表面から径方向内向きに突出した係止溝として成形された係止機能部内に受容されるように構成されている、請求項1に記載のプランジャ。
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| JP2025061252A JP2025107177A (ja) | 2020-06-18 | 2025-04-02 | 注入器とのシリンジプランジャ係合のためのシステムおよび方法 |
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| US202062705265P | 2020-06-18 | 2020-06-18 | |
| US62/705,265 | 2020-06-18 | ||
| PCT/US2021/037574 WO2021257667A1 (en) | 2020-06-18 | 2021-06-16 | System and method for syringe plunger engagement with an injector |
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| JPWO2021257667A5 JPWO2021257667A5 (ja) | 2024-06-26 |
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| US (2) | US11998718B2 (ja) |
| EP (1) | EP4168065A1 (ja) |
| JP (2) | JP7662672B2 (ja) |
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| BR112022014156A2 (pt) | 2020-02-21 | 2022-09-13 | Bayer Healthcare Llc | Conectores de percurso de fluido para distribuição de fluido médico |
| NZ791617A (en) | 2020-02-28 | 2026-01-30 | Bayer Healthcare Llc | Fluid mixing set |
| US12427247B2 (en) | 2020-03-16 | 2025-09-30 | Bayer Healthcare Llc | Stopcock apparatus for angiography injector fluid paths |
| WO2021257699A1 (en) | 2020-06-18 | 2021-12-23 | Bayer Healthcare Llc | In-line air bubble suspension apparatus for angiography injector fluid paths |
| RS66861B1 (sr) | 2020-08-11 | 2025-06-30 | Bayer Healthcare Llc | Karakteristike šprica za angiografiju |
| AU2021391432A1 (en) | 2020-12-01 | 2023-06-22 | Bayer Healthcare Llc | Cassette for retention of fluid path components for fluid injector system |
| CA3223779A1 (en) | 2021-06-17 | 2022-12-22 | Bayer Healthcare Llc | System and method for detecting fluid type in tubing for fluid injector apparatus |
| KR20250002707A (ko) | 2022-05-04 | 2025-01-07 | 바이엘 헬쓰케어 엘엘씨 | 유체 주입기 시스템을 동작하기 위한 안내된 작업흐름 특징들을 위한 시스템, 방법 및 컴퓨터 프로그램 제품 |
| WO2025106836A1 (en) | 2023-11-17 | 2025-05-22 | Bayer Healthcare Llc | Articulating arm mechanism |
| USD1102590S1 (en) | 2024-01-24 | 2025-11-18 | Darco International Corporation | Syringe barrel |
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