JP2012075939A - 無針アクセスポート弁 - Google Patents
無針アクセスポート弁 Download PDFInfo
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Images
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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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M2039/0036—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use characterised by a septum having particular features, e.g. having venting channels or being made from antimicrobial or self-lubricating elastomer
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- A—HUMAN NECESSITIES
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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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M2039/0036—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use characterised by a septum having particular features, e.g. having venting channels or being made from antimicrobial or self-lubricating elastomer
- A61M2039/0054—Multiple layers
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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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
- A61M2039/266—Valves closing automatically on disconnecting the line and opening on reconnection thereof where the valve comprises venting channels, e.g. to insure better connection, to help decreasing the fluid space upon disconnection, or to help the fluid space to remain the same during disconnection
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- A—HUMAN NECESSITIES
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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
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- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0222—Materials for reducing friction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Abstract
【解決手段】本明細書において包括的に無針アクセスポート弁を説明し、特に詳細には、流体の流れに対応するように上部ピストン部に沿ってスリットを有するピストンを組み入れている無針アクセスポート弁を説明する。スリットは、ピストンと弁ハウジングとの相対的な幾何学形状によって閉じられ、この幾何学形状は、弁組立体の入口及び出口間の流体の流れを遮断するように働く。
【選択図】図22B
Description
Claims (30)
- 弁組立体であって、
弁ハウジングの内部に配置されるピストンを備え、
前記弁ハウジングは、内部キャビティと、底部開口と、入口開口及び内壁面を有する入口ノズルとを有し、
前記ピストンは、フランジと、ネック部と、本体部と、ベースとを有し、
前記ピストンは、前記入口開口の方向にある前記フランジを通って前記底部開口の方に、且つ該フランジの下の前記ネック部の少なくとも一部を通って延びる、第1のスリット面及び第2のスリット面を有するスリットをさらに有し、
前記フランジは、前記入口ノズルの前記内壁面と接触して前記第1のスリット面及び前記第2のスリット面の少なくとも一部を強制的に互いに接触させる、弁組立体。 - 前記スリットはY字形構成を有する、請求項1に記載の弁組立体。
- 前記スリットはカット工程によって形成される、請求項1に記載の弁組立体。
- 前記弁ハウジングの前記底部開口に取り付けられるルアーナットをさらに有する、請求項1に記載の弁組立体。
- 前記本体部は、内部キャビティを画定する中実な上部及び下部を有する、請求項1に記載の弁組立体。
- 前記ピストンが第1の位置から第2の位置に移動すると前記下部は座屈する、請求項5に記載の弁組立体。
- 前記ピストン及び前記弁ハウジングは双方とも抗菌組成物を含む、請求項1に記載の弁組立体。
- 前記弁ハウジングの前記入口ノズルに設けられる複数のねじ山をさらに有する、請求項1に記載の弁組立体。
- 弁組立体であって、
弁ハウジングの内部に配置されるピストンを備え、
前記弁ハウジングは、内部キャビティと、底部開口と、入口開口及び内壁面を有する入口ノズルとを有し、
前記ピストンは、フランジと、ネック部と、本体部と、外壁面と、ベースとを有し、
前記ピストンは、前記入口開口の方向で前記底部開口の方に延びる、第1のスリット面及び第2のスリット面を有するスリットをさらに有し、
前記スリット面はそれぞれ、他方のスリット面の一端と共にひと続きに形成する、前記フランジの遠位にある端を有する、弁組立体。 - ひと続きに形成される前記2つの端は前記フランジの下に形成される、請求項9に記載の弁組立体。
- 前記スリットはY字形構成を有する、請求項9に記載の弁組立体。
- 前記弁ハウジングに取り付けられる装着部をさらに有する、請求項9に記載の弁組立体。
- 前記スリットは、超音波発生器を用いてカット工程によって形成される、請求項9に記載の弁組立体。
- 前記ピストンは、該ピストンの前記外壁面に液体シリコーンを滲出する自己潤滑シリコーン材料から作製される、請求項9に記載の弁組立体。
- 前記ピストンは抗菌組成物によって含浸される、請求項14に記載の弁組立体。
- 弁組立体であって、
弁ハウジングの内部に配置されるピストンを備え、
前記ピストンは、フランジと、ネック部と、内部キャビティを画定する上部及び下部を有する本体部と、外壁面と、ベースとを有し、
前記弁ハウジングは、入口開口を有する入口ノズルと、内壁面を有する内部キャビティを画定する本体部と、底部開口とを有し、
流体空間が、前記ピストンの前記外壁面と前記弁ハウジングの前記内壁面との間の空間によって画定されて、前記入口ノズルを通って前記底部開口に流出する流体が流れ、
前記ピストンの前記ネック部は、所定の幅と、該幅の一部を通って前記ピストンの前記外壁面に形成されて流体が流れるようにするスリットとを有する、弁組立体。 - 前記スリットはY字形構成を有する、請求項16に記載の弁組立体。
- 前記スリットは、前記フランジから該フランジの下の前記ネック部の一部にかけて前記幅全体に形成される、請求項16に記載の弁組立体。
- 前記ピストンは自己潤滑シリコーンから作製される、請求項16に記載の弁組立体。
- アクセスポート弁内で使用するピストンを製造する方法であって、
ピストンを成形し、
前記ピストンは、内部キャビティを画定する本体部と比較して直径が縮径したネック部を有しており、
前記ネック部にスリットをカットし、
前記カットするステップは、ブレードを超音波発生器によって振動させることを含む、方法。 - 前記ブレードは前記カットするステップの際に前記ピストンの方へ移動する、請求項20に記載の方法。
- 前記ピストンは前記カットするステップの際に前記ブレードの方へ移動する、請求項20に記載の方法。
- 前記スリットはY字形構成を有する、請求項20に記載の方法。
- 前記ピストンは抗菌組成物を含む、請求項20に記載の方法。
- 弁組立体であって、
弁ハウジングと、
前記弁ハウジングの内部に配置されるピストンと、
前記弁ハウジングに固定される装着部と、
入口及び出口間に流体の流れを提供する、前記ピストンに形成される手段とを備える、弁組立体。 - 微生物成長を処置する手段をさらに備える、請求項25に記載の弁組立体。
- 前記微生物成長を処置する手段は、前記弁ハウジング、前記ピストン及び前記装着部のうち少なくとも1つに含浸される抗菌組成物である、請求項26に記載の弁組立体。
- 前記抗菌組成物は、前記弁ハウジング、前記ピストン及び前記装着部に含浸される、請求項27に記載の弁組立体。
- 前記抗菌組成物は銀及び銀化合物の少なくとも1つを含む、請求項27に記載の弁組立体。
- 前記銀化合物はリン酸ジルコニウム銀を含む、請求項29に記載の弁組立体。
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