JP6603742B2 - 流体送達装置及び方法 - Google Patents
流体送達装置及び方法 Download PDFInfo
- Publication number
- JP6603742B2 JP6603742B2 JP2018035544A JP2018035544A JP6603742B2 JP 6603742 B2 JP6603742 B2 JP 6603742B2 JP 2018035544 A JP2018035544 A JP 2018035544A JP 2018035544 A JP2018035544 A JP 2018035544A JP 6603742 B2 JP6603742 B2 JP 6603742B2
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- JP
- Japan
- Prior art keywords
- needle
- barrel
- end wall
- plunger
- reservoir
- 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.)
- Expired - Fee Related
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Classifications
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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
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- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/2033—Spring-loaded one-shot injectors with or without automatic needle insertion
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- A61M5/281—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule
- A61M5/282—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule by compression of deformable ampoule or carpule wall
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- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims (2)
- シリンジを備える格納式針アセンブリであって、
前記シリンジが、
針を通過させるための開口をもつ端壁を有する剛性円筒状のバレルと、
前記バレル内部を軸線方向に移動して前記針が前記端壁の前記開口を通過するようになっているプランジャ・針ユニットと、
前記針を、前記針が前記端壁を越えて突出する位置から、前記針が前記端壁から抜けて前記バレル内部に後退する位置まで後退させる手段と
を含む、格納式針アセンブリにおいて、
前記端壁と組み合わせられた針ブロッキング装置を備え、
前記針ブロッキング装置が、前記針を後退させて前記開口から抜くと前記端壁の前記開口を横断するようになっている少なくとも1つの摺動部材を含み、
前記ブロッキング装置が、
前記バレルの前記端壁上で移動するように取り付けられた剛性キャップであって、前記剛性キャップの内側面及び前記バレルの外側面の一方に画成されたカムトラック、並びに、前記内側面及び前記外側面の他方に設けられたカムフォロアを含む剛性キャップと、
前記剛性キャップ及び前記バレルの端壁の内部に設けられたエネルギー貯蔵装置と、
前記剛性キャップ内に画成され、前記格納式針アセンブリがその初期位置にあるときに前記針と軸線方向に配列される開口と
を含み、
圧力が加えられると、前記エネルギー貯蔵装置が圧縮されて、前記針を前記剛性キャップの前記開口から突出させ、
圧力が解放されると、前記エネルギー貯蔵装置が膨張して、前記針が後退した後、前記カムフォロア及び前記カムトラックの相互作用によって、前記剛性キャップの前記開口を前記針との配列から外させるようになっている、格納式針アセンブリ。 - 前記ブロッキング装置が、
前記端壁内に画成され、前記針の軸線と交差する横断ボアと、
前記横断ボアに沿って摺動移動し、前記針が前記バレルから突出する前の前記バレル内部の位置にある時に前記針の通路となるシャトルボアを有するシャトルと、
前記横断ボア内部に設けられたばねと
を含み、前記ばねが、前記針が後退すると、前記シャトルボアが前記針との配列から外れる位置まで前記シャトルを付勢する、請求項1に記載の格納式針アセンブリ。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261724392P | 2012-11-09 | 2012-11-09 | |
US61/724,392 | 2012-11-09 | ||
US201361830895P | 2013-06-04 | 2013-06-04 | |
US61/830,895 | 2013-06-04 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015541255A Division JP6325562B2 (ja) | 2012-11-09 | 2013-11-11 | 流体送達装置及び方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018114301A JP2018114301A (ja) | 2018-07-26 |
JP6603742B2 true JP6603742B2 (ja) | 2019-11-06 |
Family
ID=50979331
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2015541255A Active JP6325562B2 (ja) | 2012-11-09 | 2013-11-11 | 流体送達装置及び方法 |
JP2018035544A Expired - Fee Related JP6603742B2 (ja) | 2012-11-09 | 2018-02-28 | 流体送達装置及び方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015541255A Active JP6325562B2 (ja) | 2012-11-09 | 2013-11-11 | 流体送達装置及び方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US10737030B2 (ja) |
EP (1) | EP2916893A4 (ja) |
JP (2) | JP6325562B2 (ja) |
CN (1) | CN104884108B (ja) |
AP (1) | AP2015008476A0 (ja) |
AU (2) | AU2013366011A1 (ja) |
BR (1) | BR112015010607A2 (ja) |
CA (1) | CA2891102A1 (ja) |
IL (1) | IL238725A0 (ja) |
NZ (1) | NZ708689A (ja) |
RU (1) | RU2714945C2 (ja) |
WO (1) | WO2014096957A2 (ja) |
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- 2013-11-11 US US14/441,613 patent/US10737030B2/en active Active
- 2013-11-11 RU RU2015121943A patent/RU2714945C2/ru not_active IP Right Cessation
- 2013-11-11 AU AU2013366011A patent/AU2013366011A1/en not_active Abandoned
- 2013-11-11 JP JP2015541255A patent/JP6325562B2/ja active Active
- 2013-11-11 CN CN201380068939.5A patent/CN104884108B/zh not_active Expired - Fee Related
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CN104884108A (zh) | 2015-09-02 |
WO2014096957A2 (en) | 2014-06-26 |
US10737030B2 (en) | 2020-08-11 |
AU2018220025B2 (en) | 2020-01-23 |
NZ708689A (en) | 2017-11-24 |
CA2891102A1 (en) | 2014-06-26 |
AU2013366011A1 (en) | 2015-05-28 |
RU2015121943A (ru) | 2016-12-27 |
AP2015008476A0 (en) | 2015-05-31 |
EP2916893A4 (en) | 2016-12-21 |
EP2916893A2 (en) | 2015-09-16 |
JP2015533603A (ja) | 2015-11-26 |
CN104884108B (zh) | 2019-08-27 |
JP2018114301A (ja) | 2018-07-26 |
AU2018220025A1 (en) | 2018-09-06 |
RU2714945C2 (ru) | 2020-02-21 |
JP6325562B2 (ja) | 2018-05-16 |
BR112015010607A2 (pt) | 2017-12-05 |
IL238725A0 (en) | 2015-06-30 |
US20160008544A1 (en) | 2016-01-14 |
WO2014096957A3 (en) | 2014-10-30 |
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