JP4786666B2 - 安全針 - Google Patents
安全針 Download PDFInfo
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- JP4786666B2 JP4786666B2 JP2007553675A JP2007553675A JP4786666B2 JP 4786666 B2 JP4786666 B2 JP 4786666B2 JP 2007553675 A JP2007553675 A JP 2007553675A JP 2007553675 A JP2007553675 A JP 2007553675A JP 4786666 B2 JP4786666 B2 JP 4786666B2
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- Japan
- Prior art keywords
- needle
- slidable sleeve
- pack
- safety
- needle hub
- 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.)
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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
- A61M5/178—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
- A61M5/002—Packages specially adapted therefor, e.g. for syringes or needles, kits for diabetics
-
- 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
- A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
- A61M2005/3247—Means to impede repositioning of protection sleeve from needle covering to needle uncovering position
-
- 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
- A61M2005/3267—Biased sleeves where the needle is uncovered by insertion of the needle into a patient's 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
- A61M5/31—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
- A61M2005/3267—Biased sleeves where the needle is uncovered by insertion of the needle into a patient's body
- A61M2005/3268—Biased sleeves where the needle is uncovered by insertion of the needle into a patient's body having cantilever elastically spreadable arms, e.g. to accumulate energy during needle uncovering movement for urging protection sleeve to return to needle covering position
-
- 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
- A61M5/3272—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 having projections following labyrinth paths
-
- 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
- A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
Description
Claims (25)
- 中空針と、前記中空針を取り囲む針ハブと、前記針ハブ上に摺動可能なように取り付けられた摺動可能スリーブと、前記中空針、前記針ハブ及び前記摺動可能スリーブを取り囲むパックと、を有する安全針パックであって、
前記針ハブ、前記摺動可能スリーブ及び前記パックはそれぞれ、前記針の先端に対して遠位の受容端部と、前記針の前記先端に対して近位の注射端部と、を有し、
前記針ハブの前記受容端部は、注射装置への接続に適しており、前記摺動可能スリーブは、前記針の長さ方向に、前記針の前記注射端部が前記摺動可能スリーブの内部に位置する伸長位置と、前記針の前記注射端部が前記摺動可能スリーブから突出する退避位置と、の間で、前記針の前記注射端部が前記摺動可能スリーブから部分的に突出する前記伸長位置と前記退避位置との間の中間位置を経て摺動するように適合されており、これにより、使用時に、前記摺動可能スリーブは、患者内への注射のために前記中間位置へと移動され、その後前記針が患者内に挿入される時に前記摺動可能スリーブは前記退避位置へと移動させられ、又前記退避位置へと移動する際に合力が発生されて、これにより前記針の前記患者からの除去によって前記合力は前記摺動可能スリーブを前記針ハブの前記注射端部に向けて前記伸長位置へと移動させ、前記安全針パックは更に、前記針の前記患者からの除去の後に前記摺動可能スリーブを前記伸長位置に保持することができるロック機構を有し、
前記パックは、前記パックの閉じられた端部に、肩部を備えた延長部を有し、前記肩部は前記摺動可能スリーブの端面に係合するように構成されており、
前記パックは、前記パックの前記閉じられた端部の前記延長部が前記針の前記注射端部を覆うように、又前記パックの前記受容端部が前記針ハブの前記受容端部を露出させる開口部を有するように、前記針ハブ及び前記摺動可能スリーブ上に解放可能なように取り付けられており、そして前記パックが前記針ハブの前記受容端部に向かう方向に移動させられることによって、前記パックの前記肩部が前記摺動可能スリーブに係合し、該摺動可能スリーブは前記伸長位置から前記中間位置へと退避させられる安全針パック。 - 前記開口部は、解放可能な膜によって覆われる請求項1に記載の安全針パック。
- 前記解放可能な膜は、ガス透過性である請求項2に記載の安全針パック。
- 前記パックの前記延長部は、前記中間位置にある前記針の前記先端を収容することができる請求項1〜3のいずれかの項に記載の安全針パック。
- 前記針ハブは、前記摺動可能スリーブが前記中間位置にある時に前記パックの内側の1つ以上の第2の肩部に対して接触する1つ以上の突起を有する請求項1〜4のいずれかの項に記載の安全針パック。
- 前記パックは、管状である請求項1〜5のいずれかの項に記載の安全針パック。
- 前記パックは、真空成形されたプラスチック材料で作製される請求項1〜6のいずれかの項に記載の安全針パック。
- 前記針ハブは、使用時に前記針が前記患者内へと挿入される時に前記摺動可能スリーブを偏向させるように適合された外部表面を有し、前記摺動可能スリーブは、使用時に前記摺動可能スリーブが前記針ハブの前記受容端部に向けて前記退避位置へと移動させられる時に前記合力が前記摺動可能スリーブの内部で発生されるように半径方向に弾性変形可能な部分を有する請求項1〜7のいずれかの項に記載の安全針パック。
- 少なくとも前記針ハブの前記受容端部の一部は、前記注射端部に向けて先細になるテーパーが付けられた外部表面を有し、前記摺動可能スリーブは、半径方向に弾性的に拡張可能な部分を有する請求項1〜8のいずれかの項に記載の安全針パック。
- 前記針ハブの前記受容端部の前記外部表面は、前記注射端部に向けて先細になる実質的に円錐形を有する請求項9に記載の安全針パック。
- 前記摺動可能スリーブは、前記針ハブの前記テーパーが付けられた外部表面に弾性的にもたれ掛かる少なくとも1つのカンチレバーアームを有し、使用時に前記針が患者内に挿入される時に、前記少なくとも1つのカンチレバーアームは、前記針ハブの前記テーパーが付けられた外部表面によって外側に移動させられ、これによって前記合力を発生する請求項9又は10に記載の安全針パック。
- 前記摺動可能スリーブは、前記針ハブの前記外部表面における螺旋状の軌道と係合する少なくとも1つのカンチレバーアームを有し、使用時に前記針が患者内に挿入される時に、前記少なくとも1つのカンチレバーアームは、前記針ハブの前記外部表面における前記螺旋状の軌道によって半径方向に移動させられ、これによって前記合力を発生する請求項9又は10に記載の安全針パック。
- 前記摺動可能スリーブは、2個〜6個の前記カンチレバーアームを有する請求項11又は12に記載の安全針パック。
- 前記摺動可能スリーブは、4個の前記カンチレバーアームを有する請求項13に記載の安全針パック。
- 前記摺動可能スリーブの前記受容端部は弾性特性を有し、使用時に前記針が患者内に挿入される時に、前記合力は前記摺動可能スリーブの内部で発生される請求項8〜10のいずれかの項に記載の安全針パック。
- 前記摺動可能スリーブの前記受容端部は、コンサーティーナのようにつぶせるようになっている請求項8〜10のいずれかの項に記載の安全針パック。
- 前記ロック機構は、前記摺動可能スリーブが前記退避位置から前記伸長位置へと移動する時の前記合力に対抗する抵抗を実質的にもたらさない請求項1〜16のいずれかの項に記載の安全針パック。
- 前記摺動可能スリーブは、前記摺動可能スリーブが前記針ハブの前記受容端部に向けて移動させられることができる第1の伸長位置と、前記摺動可能スリーブがロックされた位置にある第2の伸長位置と、を有する請求項1〜17のいずれかの項に記載の安全針パック。
- 前記ロック機構は、前記摺動可能スリーブが前記第2の伸長位置にある時に前記針ハブの外部表面上の肩部に対し係止することができる、前記摺動可能スリーブの内部表面上のラッチ爪を有する請求項18に記載の安全針パック。
- 前記摺動可能スリーブの内部表面は、前記針ハブに取り付けられた止め部及び弾性爪と係合し、これにより前記摺動可能スリーブを前記第1の伸長位置に保持し、又使用時に前記摺動可能スリーブが前記第2の伸長位置へと移動することを可能とするピンを有する請求項18又は19に記載の安全針パック。
- 前記ロック機構は、前記摺動可能スリーブ上の1つ以上の突起と、対応する前記針ハブ上の1つ以上の穴と、を有し、これにより前記伸長位置において、前記患者からの除去の後に、前記1つ以上の突起が前記対応する1つ以上の穴にロック可能なように係合する請求項1〜18のいずれかの項に記載の安全針パック。
- 前記針ハブ上の1つ以上の穴は、外周方向に連続的な穴である請求項21に記載の安全針パック。
- 前記安全針パックは、ガンマ線照射及び/又はエチレンオキシドで滅菌することができる材料で構成される請求項1〜22のいずれかの項に記載の安全針パック。
- 更に、使用時に前記摺動可能スリーブが前記針ハブの前記受容端部に向けて前記退避位置へと移動させられる時に前記合力を発生するつる巻きバネを有する請求項1〜23のいずれかの項に記載の安全針パック。
- 前記摺動可能スリーブは、使用前には、如何なる実質的な荷重もかけられていない請求項1〜24のいずれかの項に記載の安全針パック。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2005/000357 WO2006082350A1 (en) | 2005-02-03 | 2005-02-03 | A safety needle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008528225A JP2008528225A (ja) | 2008-07-31 |
JP4786666B2 true JP4786666B2 (ja) | 2011-10-05 |
Family
ID=34960682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007553675A Active JP4786666B2 (ja) | 2005-02-03 | 2005-02-03 | 安全針 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8235950B2 (ja) |
JP (1) | JP4786666B2 (ja) |
CN (1) | CN101193674B (ja) |
AU (1) | AU2005326534A1 (ja) |
CA (1) | CA2596209A1 (ja) |
IL (1) | IL184956A0 (ja) |
WO (1) | WO2006082350A1 (ja) |
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Also Published As
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US8235950B2 (en) | 2012-08-07 |
WO2006082350A1 (en) | 2006-08-10 |
CA2596209A1 (en) | 2006-08-10 |
JP2008528225A (ja) | 2008-07-31 |
CN101193674B (zh) | 2011-09-14 |
CN101193674A (zh) | 2008-06-04 |
AU2005326534A1 (en) | 2006-08-10 |
US20080200881A1 (en) | 2008-08-21 |
IL184956A0 (en) | 2007-12-03 |
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