JP2013533052A - 皮膚センサを備えた受動遮蔽針アセンブリ - Google Patents
皮膚センサを備えた受動遮蔽針アセンブリ Download PDFInfo
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- 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
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- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
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- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
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- A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
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- A61B5/150381—Design of piercing elements
- A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
- A61B5/150496—Details of construction of hub, i.e. element used to attach the double-ended needle to a piercing device or sampling device
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- A61B5/150503—Single-ended needles
- A61B5/150519—Details of construction of hub, i.e. element used to attach the single-ended needle to a piercing device or sampling device
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- A—HUMAN NECESSITIES
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- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150633—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves
- A61B5/150641—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves comprising means to impede repositioning of protection sleeve from covering to uncovering position
- A61B5/150648—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves comprising means to impede repositioning of protection sleeve from covering to uncovering position fully automatically triggered, i.e. the triggering of the protective sleeve does not require a deliberate action by the user such as terminating the contact with the patient's skin
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- A61B5/150992—Blood sampling from a fluid line external to a patient, such as a catheter line, combined with an infusion line; Blood sampling from indwelling needle sets, e.g. sealable ports, luer couplings or valves
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- 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
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- 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
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
- A61M5/1626—Needle protectors therefor
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- 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
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- 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
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- 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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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61M2005/3103—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle
- A61M2005/3107—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle for needles
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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
- A61M5/3202—Devices for protection of the needle before use, e.g. caps
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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
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- A61M5/321—Means for protection against accidental injuries by used 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
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
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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
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- 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
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- 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
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Abstract
Description
Claims (22)
- ハブを貫いて延びる通路、および針カニューレの前方端から延びている穿刺先端を有する針カニューレ、を含むハブと、
前記ハブに対して入れ子式に関連付けられた遮蔽部材であって、前記ハブと前記遮蔽部材のうちの少なくとも一方が、他方に対して、前記針カニューレの前記穿刺先端が前記遮蔽部材の前方端から露出する第1の位置と、前記針カニューレの前記穿刺先端が前記遮蔽部材の内部に包容される第2の位置との間で、相対的に入れ子式に移動するように適合している遮蔽部材と、
前記ハブと前記遮蔽部材の間に配置され、前記ハブと前記遮蔽部材とを入れ子式に互いから離れるようにバイアスすることができる駆動部材と、
前記遮蔽部材と枢動係合しており、前記針カニューレの前記穿刺先端に隣接した前方部分と、前記ハブおよび前記遮蔽部材を前記第1の位置に解放可能に維持するための構造を含む後方部分とを含んでいるレバーを備える接触部材であって、前記駆動部材のバイアスに逆らって前記ハブおよび前記遮蔽部材を前記第1の位置に維持し、前記針カニューレが前記遮蔽部材の前方端から露出するように適合し、表面との接触中に可動であり、それによって、前記ハブおよび前記遮蔽部材を前記第1の位置から解放することを可能にし、前記ハブと前記遮蔽部材のうちの少なくとも一方を前記第2の位置に向かってバイアスすることを可能にする、接触部材と
を備えることを特徴とする安全針装置。 - 前記接触部材を前記表面から解放すると、前記駆動部材が、前記ハブと前記遮蔽部材のうちの少なくとも一方を、入れ子式に互いから離れ、前記第2の位置へバイアスすることを可能にするとともに、前記針カニューレの前記穿刺先端が前記遮蔽部材の内部に包囲されることを特徴とする請求項1に記載の安全針装置。
- 前記レバーの前記後方部分は、前記ハブと係合して前記ハブおよび前記遮蔽部材を前記第1の位置に維持する第1の係合部材を含み、前記第1の係合部材は、表面との接触中に前記レバーが枢動すると、前記ハブとの係合から解放可能であることを特徴とする請求項1に記載の安全針装置。
- 前記レバーの前記後方部分は、表面との接触中に前記レバーが枢動すると、前記ハブと係合し、前記第1の係合部分が前記ハブとの係合から解放されたときに前記第2の位置へ完全にバイアスされないように前記ハブを維持する第2の係合部分をさらに含むことを特徴とする請求項3に記載の安全針装置。
- 前記第2の係合部分は、表面との接触からの解放中に、前記レバーが逆方向へ枢動すると、前記ハブとの係合から解放されることを特徴とする請求項4に記載の安全針装置。
- 前記第1の係合部分は第1の係合部材を備え、前記第2の係合部分は第2の係合部材を備えることを特徴とする請求項5に記載の安全針装置。
- 前記レバーは、枢動軸を軸とした前記レバーの枢動を達成する枢動ピンを含み、前記第1の係合部分は、前記枢動ピンの第1の外側部分を備え、前記第2の係合部分は、前記枢動ピンの第2の外側部分を備えることを特徴とする請求項5に記載の安全針装置。
- 前記枢動ピンは、楔形に切り取られた部分を含む実質的に円筒形であり、前記枢動ピンの前記第1の外側部分は、前記枢動ピンの外周面を構成し、前記第2の外側部分は、前記楔形に切り取られた部分の面を構成することを特徴とする請求項7に記載の安全針装置。
- 末端部に穿刺先端を有する針カニューレと、
前記針カニューレを支持する針ハブと、
基端部、末端部および前記基端部と前記末端部の間に延びる通路を有する筒であって、前記通路内に前記針ハブが配置される筒と、
前記針カニューレの前記穿刺先端が前記筒の前記末端部から露出する第1の位置から、前記針カニューレの前記穿刺先端が前記筒の内部に完全に配置される第2の位置へ前記針ハブを駆動する、前記筒と前記針ハブの間に配置された駆動部材と、
前記筒に枢動可能に接続され、表面と接触するように適合された前方部分と、前記針ハブを前記第1の位置に維持するために前記針ハブと解放可能に係合する後方部分とを含むレバーと、
を備え、
前記レバーの前記前方部分が表面と接触すると、前記レバーが枢動し、前記レバーの前記後方部分における前記針ハブとの最初の係合が解放されることを特徴とする遮蔽針アセンブリ。 - 前記レバーの前記後方部分は、前記針ハブの一部分と係合しそれによって前記針ハブを前記第1の位置に維持する第1の係合部分を含むことを特徴とする請求項9に記載の遮蔽針アセンブリ。
- 前記レバーの前記前方部分と前記表面との接触および/または前記表面を通り抜ける前記針カニューレの挿入によって、前記レバーが、前記レバーの前記第1の係合部分が前記針ハブから外れるように前記筒に対して枢動することを特徴とする請求項9に記載の遮蔽針アセンブリ。
- 前記レバーの前記後方部分は、前記針ハブと係合する第2の係合部分をさらに含み、前記レバーの前記前方部分と前記表面との接触および/または前記表面を通り抜ける前記針カニューレの挿入によって、前記レバーは、前記レバーの前記第1の係合部分が前記針ハブから外れ、前記レバーの前記第2の係合部分が、前記筒の前方端から前記穿刺先端が延出する位置に前記針ハブを維持するように、前記筒に対して枢動させることを特徴とする請求項9に記載の遮蔽針アセンブリ。
- 前記レバーの前記前方部分が前記表面から除去される間、または前記針カニューレが前記表面から抜き取られる間、前記レバーが前記筒に対し逆方向へ枢動すると、前記レバーの前記第2の係合部分は前記針ハブから外れ、それによって、前記駆動部材は、前記針カニューレの前記穿刺先端が前記筒の内部に完全に配置される位置へ前記針ハブを駆動させることを特徴とする請求項12に記載の遮蔽針アセンブリ。
- 前記駆動部材は、コイルばねを備えることを特徴とする請求項9に記載の遮蔽針アセンブリ。
- 前記レバーは、前記筒と一体に成形されていることを特徴とする請求項9に記載の遮蔽針アセンブリ。
- 前記レバーは、枢動ピンを介して前記筒に枢動可能に接続されていることを特徴とする請求項9に記載の遮蔽針アセンブリ。
- 前記枢動レバーの前記前方部分は、前記針カニューレの前記穿刺先端をまたぐことによって患者の注射点と相互作用するように構成されていることを特徴とする請求項9に記載の遮蔽針アセンブリ。
- 前記枢動レバーの前記前方部分は、溝が切られたパッドを備えることを特徴とする請求項17に記載の遮蔽針アセンブリ。
- 請求項9に記載の遮蔽針アセンブリを備える採血セットであって、前記針ハブから延びる可撓管を含み、前記可撓管は、反対端に、採血管を収容するレセプタクルに接続されるように適合された非対患者用の針カニューレを備えることを特徴とする採血セット。
- 針アセンブリを作動させる方法であって、
穿刺先端がその前方端から延びた針カニューレを含むハブを備える針アセンブリを用意するステップであって、前記ハブは、遮蔽部材の内部に少なくとも部分的に配置され、前記針カニューレの前記穿刺先端が前記遮蔽部材の内部に包囲される位置に向かってバイアスされ、前記針アセンブリは、筒に接続された枢動レバーをさらに備え、前記遮蔽部材の前方端から露出する前記穿刺先端とともに前記ハブを前記バイアスに逆らって維持するための前記ハブとの第1の係合を含む、ステップと、
前記枢動レバーが患者の皮膚表面に接触し、前記レバーを前記遮蔽部材に対して枢動させ、それによって前記レバーと前記ハブの間の前記第1の係合が解放されるように、前記針カニューレの前記穿刺先端を前記患者の皮膚を通り抜けて挿入するステップと、
を備えることを特徴とする方法。 - 前記挿入するステップは、前記第1の係合が解放されると、前記レバーと前記ハブの間の第2の係合を係合させるステップをさらに備えることを特徴とする請求項20に記載の方法。
- 前記枢動レバーが前記患者の皮膚表面との接触から解放され、前記遮蔽部材に対して反対方向に枢動し、それによって、前記レバーと前記ハブの間の前記第2の係合が解放され、前記針カニューレの前記穿刺先端が前記遮蔽部材の内部に包囲される位置へ向かって前記ハブをバイアスすることが可能になるように、前記患者の皮膚から前記針カニューレの前記穿刺先端を抜き取るステップをさらに備えることを特徴とする請求項21に記載の方法。
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