JP2009509585A - 固定機構を有する安全針 - Google Patents
固定機構を有する安全針 Download PDFInfo
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- JP2009509585A JP2009509585A JP2008532478A JP2008532478A JP2009509585A JP 2009509585 A JP2009509585 A JP 2009509585A JP 2008532478 A JP2008532478 A JP 2008532478A JP 2008532478 A JP2008532478 A JP 2008532478A JP 2009509585 A JP2009509585 A JP 2009509585A
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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
- A61M5/50—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
-
- 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
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0637—Butterfly or winged devices, e.g. for facilitating handling or for attachment to the skin
-
- 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
-
- 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
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
-
- 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
- A61M5/3257—Semi-automatic sleeve extension, i.e. in which triggering of the sleeve extension requires a deliberate action by the user, e.g. manual release of spring-biased extension means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
本開示は、後退構造を有する安全針の分野に関する。より詳細には、本開示は、関連する針の最初の使用および後退後の再前進を防止するための、固定機構を組み込む安全針に関する。
一実施形態では、安全針は、2つの遠位に向く可撓性の髯状体(whisker)を備え、この可撓性の髯状体は、細長管状部材内の通路を通り、外側に撓むように構成され、それにより、ハブ、すなわち針の先端が細長管状部材から再び延ばされることを防止するために、細長部材の外面に係合する。
上記のように、安全針10は、孔34からの針16の再前進を防止し、使用者に対する不慮の針刺し損傷が存在しないことを保証する、新規の固定構造を備える。
図16も参照しながら、安全針140の後退機構152(図11)の動作を、次に詳細に説明する。使用者が、針146を細長管状部材142内で後退させたいとき、近位アーム168、170が、矢印Cの方向で径方向内向きに枢動され、アーム164、166を、枢動点184および186の周りで回転させる。安全針10に関して上記で説明したのと同様に、ハブ144は、枢動点184、186を受容するための、1対の対向ノッチ204、206を備える。アーム164、166の回転によって、遠位アーム176、178は、矢印Dによって示される方向で、細長管状部材142内の切抜き部190、192の径方向外側へと動かされる。この運動により、内向き突起180、182が、ハブ144内に形成されたノッチ194および196の外に引き出され、ハブ144がばね202の付勢により近位へと後退することが可能になる。
Claims (19)
- 実質的に中空の外部部材と、
針を備え、前記中空の外部部材に対して、前記針の尖った先端が前記中空の外部部材から延ばされる延出位置と、前記針の前記尖った先端が前記中空の外部部材内にある後退位置との間で動かすことができる、針アセンブリと、
前記針アセンブリ上に配置され、前記針アセンブリを前記後退位置に維持するように前記中空の外部部材と係合可能である遮断部材とを備える、安全針。 - 前記針アセンブリがまた、前記尖った先端の反対側の前記針の一端部に固定された、内部ハブを備える、請求項1に記載の安全針。
- 前記遮断部材が、前記内部ハブ上に配置される、請求項2に記載の安全針。
- 前記遮断部材が、前記内部ハブ上に形成された少なくとも1つの突起を備える、請求項3に記載の安全針。
- 前記少なくとも1つの突起が可撓性である、請求項4に記載の安全針。
- 前記少なくとも1つの突起が、前記ハブに対して遠位に傾斜させられる、請求項5に記載の安全針。
- 前記少なくとも1つの突起が、前記針アセンブリの後退速度を調整するように前記中空の外部部材の内面に摩擦係合する、請求項5に記載の安全針。
- ばねで付勢される後退機構をさらに備える、請求項5に記載の安全針。
- 前記ばねで付勢される後退機構が、前記遮断部材を、前記中空の外部部材の近位面の近位に付勢する、請求項8に記載の安全針。
- 前記遮断部材が、前記ハブの外面上に配置された少なくとも2つの部材を備える、請求項5に記載の安全針。
- 前記2つの部材が、前記ハブの対向する側部上に配置される、請求項10に記載の安全針。
- 細長管状部材と、
前記細長管状部材内で長手方向に動かすことができる内部部材と、
前記内部部材から遠位に延びる針と、
前記内部部材を前記細長管状部材内で近位に付勢する、ばねで付勢される後退機構と、
前記内部部材上に設けられ、前記針全体を前記細長管状部材内に保持するために前記細長管状部材の端面と係合可能な、少なくとも1つの可撓性部材とを備える、安全針。 - 前記内部部材が、前記内部部材を前進位置に保持するために前記細長管状部材の内面と係合可能な突起を備える、請求項12に記載の安全針。
- 前記突起が、前記細長管状部材の近位内面と係合可能である、請求項13に記載の安全針。
- 前記内部部材上に配置された付勢部材をさらに備え、前記付勢部材が、前記突起を前記細長管状部材の前記内面と係合させる、請求項14に記載の安全針。
- 前記後退機構が、前記内部部材上に配置された親指パッドを備える、請求項15に記載の安全針。
- 前記付勢部材の前記付勢に逆らう前記親指パッドの運動によって、前記突起が前記細長管状部材の前記内面から離されて、前記内部部材の後退位置への運動が促進されるように、前記親指パッドが、前記細長管状部材の近位端の近位に配置される、請求項16に記載の安全針。
- 細長管状部材と、前記細長管状部材の内部に可動式に取り付けられたハブと、前記ハブから遠位に延びる、尖った組織穿刺先端を有する針と、前記ハブを前記細長管状部材に対して動かすように構成された後退機構と、前記ハブ上に配置され前記細長管状部材と係合可能な少なくとも1つの遮断部材とを有する、安全針を提供するステップと、
前記ハブおよび関連する針を前記細長管状部材内で近位に動かすように、前記後退機構を作動させるステップと、
前記遮断部材を、前記細長管状部材の外側の位置へと動かし、前記ハブが前記細長管状部材に対して遠位に動くことができないように、前記細長管状部材の近位端に係合させるステップとを含む、ハウジングからの針の再前進を防止する方法。 - 前記動かすステップが、前記管状部材に対する前記ハブの移動速度を調整するように、前記遮断部材を前記細長管状部材の内面に沿って動かすステップを含む、請求項18に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71976105P | 2005-09-22 | 2005-09-22 | |
PCT/US2006/037278 WO2007035923A2 (en) | 2005-09-22 | 2006-09-22 | Safety needle with lockout mechanism |
Publications (1)
Publication Number | Publication Date |
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JP2009509585A true JP2009509585A (ja) | 2009-03-12 |
Family
ID=37889564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008532478A Pending JP2009509585A (ja) | 2005-09-22 | 2006-09-22 | 固定機構を有する安全針 |
Country Status (11)
Country | Link |
---|---|
US (2) | US7753878B2 (ja) |
EP (1) | EP1926516B1 (ja) |
JP (1) | JP2009509585A (ja) |
KR (1) | KR20080060246A (ja) |
CN (1) | CN101309714B (ja) |
BR (1) | BRPI0616395B8 (ja) |
CA (1) | CA2622887C (ja) |
IL (1) | IL190290A0 (ja) |
NZ (1) | NZ566755A (ja) |
WO (1) | WO2007035923A2 (ja) |
ZA (1) | ZA200802777B (ja) |
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- 2006-09-22 CN CN2006800423175A patent/CN101309714B/zh active Active
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Also Published As
Publication number | Publication date |
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BRPI0616395B1 (pt) | 2018-05-15 |
CA2622887C (en) | 2014-11-18 |
US8622958B2 (en) | 2014-01-07 |
BRPI0616395A2 (pt) | 2011-06-21 |
US7753878B2 (en) | 2010-07-13 |
AU2006292107A1 (en) | 2007-03-29 |
CN101309714A (zh) | 2008-11-19 |
NZ566755A (en) | 2010-05-28 |
CA2622887A1 (en) | 2007-03-29 |
WO2007035923A2 (en) | 2007-03-29 |
US20100241072A1 (en) | 2010-09-23 |
US20070066937A1 (en) | 2007-03-22 |
WO2007035923A3 (en) | 2007-06-07 |
ZA200802777B (en) | 2008-12-31 |
IL190290A0 (en) | 2009-09-22 |
EP1926516A4 (en) | 2010-11-03 |
EP1926516A2 (en) | 2008-06-04 |
EP1926516B1 (en) | 2016-12-21 |
BRPI0616395B8 (pt) | 2021-06-22 |
CN101309714B (zh) | 2011-08-10 |
KR20080060246A (ko) | 2008-07-01 |
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