JP4969642B2 - 注射装置のための受動的ラッチリング安全シールド - Google Patents
注射装置のための受動的ラッチリング安全シールド Download PDFInfo
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- JP4969642B2 JP4969642B2 JP2009501564A JP2009501564A JP4969642B2 JP 4969642 B2 JP4969642 B2 JP 4969642B2 JP 2009501564 A JP2009501564 A JP 2009501564A JP 2009501564 A JP2009501564 A JP 2009501564A JP 4969642 B2 JP4969642 B2 JP 4969642B2
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- outer sheath
- inner sheath
- sheath
- safety shield
- injection device
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- 238000002347 injection Methods 0.000 title claims description 60
- 239000007924 injection Substances 0.000 title claims description 60
- 239000007788 liquid Substances 0.000 description 10
- 238000013459 approach Methods 0.000 description 6
- 229940071643 prefilled syringe Drugs 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010999 medical injection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 244000078885 bloodborne pathogen Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000006454 hepatitis Diseases 0.000 description 1
- 231100000283 hepatitis Toxicity 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012800 visualization Methods 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- 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
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- 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
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
- A61M2005/3261—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between sleeve and syringe barrel, e.g. spreading of sleeve retaining hooks having slanted surfaces by engagement with conically shaped collet of the piston rod during the last portion of the injection stroke of the plunger
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- 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
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
- A61M2005/3261—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between sleeve and syringe barrel, e.g. spreading of sleeve retaining hooks having slanted surfaces by engagement with conically shaped collet of the piston rod during the last portion of the injection stroke of the plunger
- A61M2005/3264—Trigger provided at the proximal end, i.e. syringe end opposite to needle mounting end
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- 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
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3271—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel with guiding tracks for controlled sliding of needle protective sleeve from needle exposing to needle covering position
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (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)
Description
本願は、2006年3月21日に出願された、米国仮出願第60/784,558号および2006年9月29日に出願された、米国仮出願第60/848,205号に対する優先権を主張し、この両仮出願の全内容は本明細書中に参考として援用される。
本開示は、注射装置と共に使用するための安全シールドに関する。より詳細には、本開示は、医療用注射装置、例えばプレフィルドシリンジと共に使用するための、医療用注射装置のプランジャの作動に応じて収縮位置から拡張位置へと移動する、受動的安全シールドに関する。
当技術分野では、医療装置の針を覆うための安全シールドがよく知られている。安全シールドは、医師、看護師、および医療関係者をHIV、肝炎、およびその他の重大な血液感染性病原菌に晒す不測の針刺傷に関連するリスクを最小にする。
本開示によれば、近位端と遠位端とを有する内側シースを備える受動的安全シールド装置が開示される。内側シースは、近位端と遠位端との間で延びて注射装置を受けるような寸法にされている長手方向チャネルを規定する。外側シースは、近位端と遠位端とを有し、内側シースを摺動可能に受けるような寸法にされている長手方向チャネルを規定する。外側シース内では付勢部材が支持されており、この付勢部材は、外側シースを内側シースに対して収縮位置から前進位置へ圧迫するように位置決めされている。安全シールド装置上には可変リングが位置決めされており、この可変リングは、無変形状態から変形状態へ変形可能である。無変形状態にある可変リングは、外側シースを収縮位置で保持するように構成されている。可変リングは、注射装置の作動に応じて変形状態へ変形するように位置決めされており、その変形状態では、可変リングはもはや、外側シースを収縮位置で保持するようには構成されていない。
次に、注射装置と共に使用するための、現在開示されている受動的ラッチリング安全シールド組立品の実施形態を、図面を参照して詳細に説明する。いくつかの図の各々において、同様の参照符号は、同一の要素または対応する要素を表す。
Claims (10)
- 受動的安全シールド装置であって、
近位端と遠位端とを有する内側シースであって、前記近位端と遠位端との間で延びていて、プランジャロッドと前記プランジャロッドの近位端上に形成されたプランジャヘッドとを含むプランジャ組立体を有する注射装置を受けるような寸法にされている長手方向チャネルを規定する内側シースと、
近位端と遠位端とを有し、前記内側シースを摺動可能に受けるような寸法にされている長手方向チャネルを規定する外側シースと、
前記外側シース内で支持され、前記外側シースを前記内側シースに対して収縮位置から前進位置へ圧迫するように位置決めされている付勢部材と、
前記外側シースまたは内側シースのいずれかの近位端上に支持され、前記注射装置の作動の際に動く前記プランジャ組立体のプランジャヘッドによる係合に応じて無変形状態から変形状態へ変形可能であり、その無変形状態おいて前記外側シースを前記収縮位置で保持するように構成されている可変リングと
を備え、
前記可変リングは、その変形状態において、前記外側シースが前記内側シースに対して前記収縮位置から前記前進位置へ移動できるように構成され、前記可変リングが、前記外側シースまたは内側シースのいずれかの近位端上に支持されている、受動的安全シールド装置。 - 前記可変リングが、前記外側シース上で支持されており、その無変形状態では前記内側シース上の肩部に隣接して前記外側シースを前記収縮位置で保持するように位置決めされている、請求項1に記載の受動的安全シールド装置。
- 前記可変リングが、前記外側シースの近位端の周りに形成されている環状凹部内で支持されている、請求項2に記載の受動的安全シールド装置。
- 前記内側シースが切欠を備え、該切欠は、前記外側シースが前記前進位置にある際に前記可変リングを受けて前記前進位置で前記外側シースを保持するように位置決めされている、請求項2に記載の受動的安全シールド装置。
- 前記内側シースが少なくとも1つの係合部材を備え、該係合部材が、注射装置を係合して前記内側シースを前記注射装置に固定するように構成されている、請求項1に記載の受動的安全シールド装置。
- 前記外側シースが少なくとも1つの案内チャネルを備え、該案内チャネルが、前記内側シース上に形成されている少なくとも1つの長手方向リブを摺動可能に受けるような寸法にされている、請求項1に記載の受動的安全シールド装置。
- 前記可変リングが、前記内側シース上で支持されており、前記外側シース上に形成されて内方に延びる少なくとも1つの突起に隣接するように位置決めされている、請求項1に記載の受動的安全シールド装置。
- 前記内側シースが頭部を備え、該頭部が、前記頭部内で注射装置を保持する少なくとも1つの戻り止めを備える内周を有する、請求項7に記載の受動的安全シールド装置。
- 前記内側シースが頭部を備え、該頭部が、肩部により分離されている第1環状表面および第2環状表面を有し、前記可変リングが、前記第1環状表面内で前記肩部に近接して支持されている、請求項7に記載の受動的安全シールド装置。
- 前記可変リングが、その無変形状態において略楕円形であり、その変形状態において略円形である、請求項1〜9のいずれか1項に記載の受動的安全シールド装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78455806P | 2006-03-21 | 2006-03-21 | |
US60/784,558 | 2006-03-21 | ||
US84820506P | 2006-09-29 | 2006-09-29 | |
US60/848,205 | 2006-09-29 | ||
PCT/US2007/007154 WO2007109352A2 (en) | 2006-03-21 | 2007-03-21 | Passive latch ring safety shield for injection devices |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009530038A JP2009530038A (ja) | 2009-08-27 |
JP2009530038A5 JP2009530038A5 (ja) | 2011-03-31 |
JP4969642B2 true JP4969642B2 (ja) | 2012-07-04 |
Family
ID=38523109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009501564A Expired - Fee Related JP4969642B2 (ja) | 2006-03-21 | 2007-03-21 | 注射装置のための受動的ラッチリング安全シールド |
Country Status (10)
Country | Link |
---|---|
US (1) | US8496627B2 (ja) |
EP (1) | EP1996262A2 (ja) |
JP (1) | JP4969642B2 (ja) |
CN (1) | CN101437561B (ja) |
AU (1) | AU2007227200B2 (ja) |
BR (1) | BRPI0708858A2 (ja) |
CA (1) | CA2645485A1 (ja) |
MX (1) | MX2008011864A (ja) |
NZ (1) | NZ571371A (ja) |
WO (1) | WO2007109352A2 (ja) |
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-
2007
- 2007-03-21 JP JP2009501564A patent/JP4969642B2/ja not_active Expired - Fee Related
- 2007-03-21 EP EP07753756A patent/EP1996262A2/en not_active Withdrawn
- 2007-03-21 AU AU2007227200A patent/AU2007227200B2/en not_active Ceased
- 2007-03-21 WO PCT/US2007/007154 patent/WO2007109352A2/en active Application Filing
- 2007-03-21 US US11/726,169 patent/US8496627B2/en not_active Expired - Fee Related
- 2007-03-21 MX MX2008011864A patent/MX2008011864A/es active IP Right Grant
- 2007-03-21 BR BRPI0708858-2A patent/BRPI0708858A2/pt not_active IP Right Cessation
- 2007-03-21 CN CN2007800159213A patent/CN101437561B/zh not_active Expired - Fee Related
- 2007-03-21 CA CA002645485A patent/CA2645485A1/en not_active Abandoned
- 2007-03-21 NZ NZ571371A patent/NZ571371A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BRPI0708858A2 (pt) | 2011-06-14 |
JP2009530038A (ja) | 2009-08-27 |
NZ571371A (en) | 2011-11-25 |
WO2007109352A2 (en) | 2007-09-27 |
CN101437561A (zh) | 2009-05-20 |
AU2007227200B2 (en) | 2013-01-24 |
WO2007109352A3 (en) | 2008-03-20 |
CN101437561B (zh) | 2011-09-28 |
AU2007227200A1 (en) | 2007-09-27 |
CA2645485A1 (en) | 2007-09-27 |
EP1996262A2 (en) | 2008-12-03 |
MX2008011864A (es) | 2008-10-02 |
US20070239117A1 (en) | 2007-10-11 |
US8496627B2 (en) | 2013-07-30 |
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