JP2008173471A - シリンジアセンブリ及びこれを組み込んだ注入ポンプアセンブリ - Google Patents
シリンジアセンブリ及びこれを組み込んだ注入ポンプアセンブリ 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
- A61M5/14—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
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
-
- 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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- 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
- A61M2005/31516—Piston or piston-rod constructions, e.g. connection of piston with piston-rod reducing dead-space in the syringe barrel after delivery
-
- 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
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- 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
【解決手段】駆動ピストン22を有する注入ポンプ5で使用するシリンジアセンブリてあって、該シリンジアセンブリは、ほぼ中空のシリンジハウジング26と、該シリンジハウジングから流体を吐出させるために該シリンジハウジング内で軸方向に移動可能とされたプランジャ20を備える。該プランジャはプランジャ本体を有し、その一部が駆動ピストン22に付随した半径方向の弾性部材60と係合するように構成した部分をもち、プランジャが駆動ピストンに対し軸方向において解放可能に取り付けられる。
【選択図】図7
Description
Claims (20)
- 駆動ピストンを有する注入ポンプとともに使用するためのシリンジアセンブリであって、
ほぼ中空のシリンジハウジングと、
前記シリンジハウジングから流体を吐出させるために該シリンジハウジング内で軸方向に移動可能とされたプランジャとを備え、
前記プランジャは、該プランジャが前記駆動ピストンに対して軸方向において解放可能に取り付けられるように前記駆動ピストンに付随した半径方向の弾性部材と係合する構成とされた部分をもつプランジャ本体を有する、シリンジアセンブリ。 - 前記プランジャ本体が開口端をもったほぼ中空の管状構造を有し、該開口端が前記駆動ピストンの一部を受け入れるように構成されており、管状体が、前記半径方向の弾性部材の一部を受け入れるように構成した内側の環状溝を含む、請求項1に記載のシリンジアセンブリ。
- 前記内側の環状溝が、対向した側壁を有し、該側壁が約90°乃至175°の角度をもって互いに傾斜している、請求項2に記載のシリンジアセンブリ。
- 前記内側の環状溝が、対向した側壁を有し、該側壁が約135°の角度をもって互いに傾斜している、請求項2に記載のシリンジアセンブリ。
- 前記プランジャ本体の開口端が内向きにテーパー状をなした、請求項2に記載のシリンジアセンブリ。
- 前記プランジャ本体の少なくとも一部が、前記駆動ピストンの一部内に受け入れられるように構成され、前記プランジャ本体が、前記半径方向の弾性部材の一部を受け入れるように構成した外側の環状溝を含む、請求項1に記載のシリンジアセンブリ。
- 駆動ピストンに付随した半径方向の弾性部材を有する該駆動ピストンを含むインシュリンポンプと、
ほぼ中空のシリンジハウジング及び該シリンジハウジングから流体を吐出させるために該シリンジハウジング内で軸方向に移動可能なプランジャを含むシリンジアセンブリと、を備え、
前記プランジャは、該プランジャが前記駆動ピストンに対して軸方向において解放可能に取り付けられるように前記駆動ピストンに付随した前記半径方向の弾性部材と係合する構成とされた部分をもつプランジャ本体を有する、注入ポンプアセンブリ。 - 前記プランジャ本体が、前記半径方向の弾性部材の一部を受け入れるように構成した第1の環状溝を含み、前記駆動ピストンが、前記半径方向の弾性部材の一部を受け入れるように構成した第2の環状溝を含む、請求項7に記載の注入ポンプアセンブリ。
- 前記第1の環状溝及び第2の環状溝は、前記プランジャが前記駆動ピストンに対して組み付けられた位置に来たときに、軸方向において位置合わせされる、請求項8に記載の注入ポンプアセンブリ。
- 前記第1の環状溝が、対向した側壁を有し、該側壁が約90°乃至175°の角度をもって互いに傾斜している、請求項8に記載の注入ポンプアセンブリ。
- 内側の環状溝が、対向した側壁を有し、該側壁が約135°の角度をもって互いに傾斜している、請求項8に記載の注入ポンプアセンブリ。
- 前記第2の環状溝が前記第1の環状溝よりも半径方向に深くされた、請求項8に記載の注入ポンプアセンブリ。
- 前記プランジャ本体が、開口端をもったほぼ中空の管状構造を有し、該開口端が前記駆動ピストンの一部を受け入れるように構成され、前記第1の環状溝が内側の溝であって前記第2の環状溝が外側の溝である、請求項8に記載の注入ポンプアセンブリ。
- 前記プランジャ本体の少なくとも一部が、前記駆動ピストンの一部内に受け入れられるように構成され、前記第1の環状溝が外側の溝であって前記第2の環状溝が内側の溝である、請求項8に記載の注入ポンプアセンブリ。
- 前記半径方向の弾性部材が傾斜のついたコイルスプリングである、請求項7に記載の注入ポンプアセンブリ。
- 前記半径方向の弾性部材が、エラストマ材料で作られた中実リングである、請求項7に記載の注入ポンプアセンブリ。
- 第1の環状溝をもった駆動ピストンを含むインシュリンポンプと、
ほぼ中空のシリンジハウジング及び該シリンジハウジングから流体を吐出させるために該シリンジハウジング内で軸方向に移動可能なプランジャを含み、該プランジャが前記駆動ピストンと嵌合可能なプランジャ本体を有するとともに第2の環状溝を含んでいる、シリンジアセンブリと、
前記駆動ピストンに対して前記プランジャを軸方向において解放可能に取り付けるために、前記第1の環状溝及び前記第2の環状溝内に位置した、半径方向の弾性部材を備えた、注入ポンプアセンブリ。 - 前記プランジャが第1の方向における軸方向の力により、前記駆動ピストンに嵌合されて、前記駆動ピストンに対し軸方向において解放可能に取り付けられた、請求項17に記載の注入ポンプアセンブリ。
- 前記第1の方向と反対の第2の方向における充分な軸方向の力によって、前記駆動ピストンに対して前記プランジャを解放する、請求項18に記載の注入ポンプアセンブリ。
- 前記シリンジハウジングと前記プランジャとの間に摩擦力が存在し、該摩擦力が、前記プランジャを前記駆動ピストンに嵌合させるのに必要な力よりも大きく、かつ前記プランジャを前記駆動ピストンに対して解放するのに必要な力よりも大きい、請求項19に記載の注入ポンプアセンブリ。
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Application Number | Priority Date | Filing Date | Title |
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US11/651,876 | 2007-01-10 | ||
US11/651,876 US7803134B2 (en) | 2007-01-10 | 2007-01-10 | Syringe assembly and infusion pump assembly incorporating such |
Publications (2)
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JP2008173471A true JP2008173471A (ja) | 2008-07-31 |
JP5558668B2 JP5558668B2 (ja) | 2014-07-23 |
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US (1) | US7803134B2 (ja) |
EP (1) | EP1944048B1 (ja) |
JP (1) | JP5558668B2 (ja) |
KR (1) | KR101443579B1 (ja) |
CN (1) | CN101239205B (ja) |
AT (1) | ATE546178T1 (ja) |
AU (1) | AU2008200081B2 (ja) |
CA (1) | CA2617401C (ja) |
ES (1) | ES2379556T3 (ja) |
HK (1) | HK1118237A1 (ja) |
IL (1) | IL188620A (ja) |
PL (1) | PL1944048T3 (ja) |
SG (1) | SG144828A1 (ja) |
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CA2617401C (en) | 2015-12-22 |
CN101239205B (zh) | 2013-04-03 |
IL188620A0 (en) | 2008-11-03 |
CN101239205A (zh) | 2008-08-13 |
JP5558668B2 (ja) | 2014-07-23 |
CA2617401A1 (en) | 2008-07-10 |
US7803134B2 (en) | 2010-09-28 |
ES2379556T3 (es) | 2012-04-27 |
KR101443579B1 (ko) | 2014-09-23 |
SG144828A1 (en) | 2008-08-28 |
ATE546178T1 (de) | 2012-03-15 |
HK1118237A1 (en) | 2009-02-06 |
EP1944048A1 (en) | 2008-07-16 |
US20080167618A1 (en) | 2008-07-10 |
EP1944048B1 (en) | 2012-02-22 |
AU2008200081B2 (en) | 2012-11-29 |
PL1944048T3 (pl) | 2012-07-31 |
AU2008200081A1 (en) | 2008-07-24 |
KR20080065924A (ko) | 2008-07-15 |
IL188620A (en) | 2012-03-29 |
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