JP6581135B2 - 針遮蔽器具 - Google Patents
針遮蔽器具 Download PDFInfo
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- JP6581135B2 JP6581135B2 JP2017044772A JP2017044772A JP6581135B2 JP 6581135 B2 JP6581135 B2 JP 6581135B2 JP 2017044772 A JP2017044772 A JP 2017044772A JP 2017044772 A JP2017044772 A JP 2017044772A JP 6581135 B2 JP6581135 B2 JP 6581135B2
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- Prior art keywords
- needle
- bushing
- blocker
- hub
- shield assembly
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- 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
- A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
-
- 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
- A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
-
- 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
- A61M2005/325—Means obstructing the needle passage at distal end of a needle protection sleeve
-
- 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
- A61M5/3273—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel freely sliding on needle shaft without connection to syringe or needle
Description
長手方向軸、近位端および鋭利な遠位先端を有する針と、
針の周りに配置されているブッシングであって、内表面および外表面を有するブッシングと、
針ブロッカーと、を含み、
非遮蔽位置では、針ブロッカーはブッシングの外表面に対して半径方向内側にバイアスされ、
遮蔽位置では、鋭利な遠位先端はブッシング内に位置し、針ブロッカーの少なくとも一部は、ブッシングの遠位端に延在して、針の鋭利な遠位先端の遠位側への移動を阻止する。
その外側に係合部材を有するハブと、
長手方向軸、近位端および鋭利な遠位先端を有する針と、
ハウジングおよびラッチ部材を含むラッチと、
非遮蔽位置と遮蔽位置の間で移動可能なクリップ状針ガードと、を含む針器具であって、
クリップ状針ガードは、第1の軸方向延在アームを含み、該第1の軸方向延在アームは、その遠位端に半径方向延在部材を含み、
非遮蔽位置では、ラッチ部材は、ハブの外側の係合部材に係合し、
遮蔽位置では、半径方向延在部材が、針の鋭利な遠位先端の遠位側への移動を阻止する。
長手方向軸、近位端および鋭利な遠位先端を有する針と、
針の周りに配置されているブッシングであって、内表面および外表面を有するブッシングと、
針に設けられており、非遮蔽位置から、鋭利な遠位先端が針遮蔽アセンブリの少なくとも一部分で覆われる遮蔽位置に移動可能な針遮蔽アセンブリと、
非遮蔽位置では、ブッシングの外表面に対して半径方向内側にバイアスされる針ブロッカーと、
その外側に係合部材を有するハブと、
針遮蔽アセンブリに設けられたラッチであって、非遮蔽位置ではラッチはハブの外側の係合部材に係合しており、ハウジングおよびラッチ部材を含むラッチと、
を含む針器具であって、
遮蔽位置では、鋭利な遠位先端はブッシング内に位置し、針ブロッカーの少なくとも一部は、ブッシングの遠位端に延在して、針の鋭利な遠位先端の遠位側への移動を阻止する。
長手方向軸、近位端および鋭利な遠位先端を有する針と、
針の周りに配置されているブッシングであって、内表面および外表面を有するブッシングと、
針に設けられており、非遮蔽位置から、鋭利な遠位先端が針遮蔽アセンブリの少なくとも一部分で覆われる遮蔽位置に移動可能な針遮蔽アセンブリと、
針ブロッカーと、
針ブロッカーを搬送するためのキャリアと、
針ブロッカーを、遠位方向かつ長手方向軸に向かってバイアスするためのバネと、を含む針器具であって、
非遮蔽位置では、バネは、針ブロッカーを、ブッシングの外表面に対して半径方向内側にバイアスし、
遮蔽位置では、鋭利な遠位先端はブッシング内に位置し、針ブロッカーの少なくとも一部は、ブッシングの遠位端に延在して、針の鋭利な遠位先端の遠位側への移動を阻止する。
その外側に係合部材を有するハブと、
長手方向軸、近位端および鋭利な遠位先端を有する針と、
針の周りに配置されているブッシングであって、内表面および外表面を有するブッシングと、
針に設けられており、非遮蔽位置から、鋭利な遠位先端が針遮蔽アセンブリの少なくとも一部分で覆われる遮蔽位置に移動可能な針遮蔽アセンブリであって、
針ブロッカーと、
針ブロッカーを搬送するためのキャリアと、
針ブロッカーを、遠位方向かつ長手方向軸に向かってバイアスするためのバネと、
ハウジングおよびラッチ部材を含むラッチと、を含む針遮蔽アセンブリと、
を含む針器具であって、
非遮蔽位置では、バネは、針ブロッカーを、ブッシングの外表面に対して半径方向内側にバイアスし、ラッチは、ハブの外側の係合部材に係合し、
遮蔽位置では、鋭利な遠位先端はブッシング内に位置し、針ブロッカーの少なくとも一部は、ブッシングの遠位端に延在して、針の鋭利な遠位先端の遠位側への移動を阻止する。
その外側に係合部材を有するハブと、
長手方向軸、近位端および鋭利な遠位先端を有する針と、
針の周りに配置されているブッシングであって、内表面および外表面を有するブッシングと、
ハウジングおよびラッチ部材を含むラッチと、
非遮蔽位置と遮蔽位置の間で移動可能なクリップ状針ガードと、を含む針器具であって、
クリップ状針ガードは、第1の軸方向延在アームを含み、該第1の軸方向延在アームは、その遠位端に半径方向延在部材を含み、
非遮蔽位置では、ラッチ部材はハブの外側の係合部材に係合し、半径方向延在遠位部材はブッシングの外表面に対してバイアスされ、
遮蔽位置では、鋭利な遠位先端はブッシング内に位置し、半径方向延在部材の少なくとも一部は、ブッシングの遠位端に延在して、針の鋭利な遠位先端の遠位側への移動を阻止する。
Claims (6)
- 長手方向軸、近位端、鋭利な遠位先端、および前記近位端と前記鋭利な遠位先端との間に配置された拡大外径部を有する針と、
針の周りに配置されているブッシングであって、内表面、外表面、近位端、遠位端、および遠位側外径よりも小さい近位側外径を有するブッシングと、
針に設けられており、非遮蔽位置から遮蔽位置に移動可能な針遮蔽アセンブリであって、
針ブロッカーと、
針ブロッカーを搬送するためのキャリアであって、キャリアの遠位端に接続されたフランジを有するキャリアと、
ブッシングを収容する寸法にされ、キャリア内部にある軸方向ルーメンであって、ブッシングが、軸方向ルーメンに対して相対的に摺動可能であり、遮蔽位置および非遮蔽位置では、ブッシングの少なくとも一部が軸方向ルーメン内に配置されている、軸方向ルーメンと、
キャリアの回りに配置されている外部シュラウドと、
外部シュラウドの近位端にあり、キャリア内の軸方向ルーメンの近位端に位置合わせされた穴であって、ブッシングの近位側外径より大きく、かつブッシングの遠位側外径より小さい直径を有する穴と、を含む針遮蔽アセンブリと、
近位端と遠位端を有するハウジングと、ハウジングの遠位端に連結されたフックラッチ部材を含むラッチであって、ハウジング内に外側シュラウドが配置されているラッチと、
外側に係合部材を有するハブと、を含む針器具であって、
非遮蔽位置では、キャリアのフランジは、少なくとも部分的にハブ内に位置し、フックラッチ部材はハブ上の係合部材に係合し、そして針ブロッカーは、ブッシングの近位端と遠位端との間を、ブッシングの外表面に対して半径方向内側にバイアスされ、
遮蔽位置では、フランジはハブからハウジング内を近位側に移動し、針の拡大外径部は針遮蔽アセンブリ内に配置され、針の鋭利な遠位先端はブッシング内に位置し、針ブロッカーの少なくとも一部は、ブッシングの遠位端に延在して、針の鋭利な遠位先端の遠位側への移動を阻止する、針器具。 - ブッシングは、
針の拡大外径部よりも小さい近位側内径と、
針の拡大外径部よりも大きい遠位側内径と、を更に含み、
近位側内径は止めとして作用し、針の拡大外径部がブッシングから近位側に移動するのを防止する、請求項1に記載の針器具。 - 針遮蔽アセンブリは、
非遮蔽位置において針ブロッカーがブッシングと接するように、針ブロッカーを、遠位方向かつ長手方向軸に向かってバイアスするためのバネを更に含み、
針ブロッカーは実質的に球形である、請求項1に記載の針器具。 - キャリアは、針ブロッカーを搬送する溝を含み、
外側シュラウドは、非遮蔽位置において針ブロッカーの一部が突出する開口を備え、
遮蔽位置では、針ブロッカーが軸方向ルーメンを少なくとも部分的に占める、請求項1に記載の針器具。 - 針とブッシングの間の軸方向抗力が、ブッシングと針ブロッカーの間の軸方向抗力よりも小さい、請求項1に記載の針器具。
- 針は、血液を視認するための側面開口を更に含む、請求項1〜5のいずれか1項に記載の針器具。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161472881P | 2011-04-07 | 2011-04-07 | |
US61/472,881 | 2011-04-07 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014504040A Division JP2014517729A (ja) | 2011-04-07 | 2012-04-06 | 針遮蔽器具 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019072083A Division JP2019141627A (ja) | 2011-04-07 | 2019-04-04 | 針遮蔽器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017140407A JP2017140407A (ja) | 2017-08-17 |
JP6581135B2 true JP6581135B2 (ja) | 2019-09-25 |
Family
ID=46969576
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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JP2014504040A Pending JP2014517729A (ja) | 2011-04-07 | 2012-04-06 | 針遮蔽器具 |
JP2017044772A Active JP6581135B2 (ja) | 2011-04-07 | 2017-03-09 | 針遮蔽器具 |
JP2019072083A Withdrawn JP2019141627A (ja) | 2011-04-07 | 2019-04-04 | 針遮蔽器具 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014504040A Pending JP2014517729A (ja) | 2011-04-07 | 2012-04-06 | 針遮蔽器具 |
Family Applications After (1)
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JP2019072083A Withdrawn JP2019141627A (ja) | 2011-04-07 | 2019-04-04 | 針遮蔽器具 |
Country Status (11)
Country | Link |
---|---|
US (1) | US9408632B2 (ja) |
EP (1) | EP2694144B1 (ja) |
JP (3) | JP2014517729A (ja) |
CN (1) | CN103608060B (ja) |
AU (1) | AU2012239937B2 (ja) |
BR (1) | BR112013025506A2 (ja) |
CA (1) | CA2828741C (ja) |
ES (1) | ES2829821T3 (ja) |
MX (1) | MX349414B (ja) |
MY (1) | MY160938A (ja) |
WO (1) | WO2012139034A1 (ja) |
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2012
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- 2012-04-06 US US14/110,352 patent/US9408632B2/en active Active
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CN103608060A (zh) | 2014-02-26 |
US20140025009A1 (en) | 2014-01-23 |
WO2012139034A1 (en) | 2012-10-11 |
MY160938A (en) | 2017-03-31 |
JP2017140407A (ja) | 2017-08-17 |
EP2694144A1 (en) | 2014-02-12 |
MX349414B (es) | 2017-07-20 |
AU2012239937A1 (en) | 2013-09-05 |
CA2828741A1 (en) | 2012-10-11 |
CN103608060B (zh) | 2016-01-27 |
CA2828741C (en) | 2016-06-07 |
BR112013025506A2 (pt) | 2016-12-27 |
EP2694144B1 (en) | 2020-08-26 |
US9408632B2 (en) | 2016-08-09 |
EP2694144A4 (en) | 2014-08-27 |
MX2013011676A (es) | 2014-01-31 |
AU2012239937B2 (en) | 2015-07-09 |
ES2829821T3 (es) | 2021-06-02 |
JP2014517729A (ja) | 2014-07-24 |
JP2019141627A (ja) | 2019-08-29 |
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