JP6685266B2 - 消毒のための方法、装置、および逆流防止フラッシュ注射器アセンブリ - Google Patents
消毒のための方法、装置、および逆流防止フラッシュ注射器アセンブリ Download PDFInfo
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- JP6685266B2 JP6685266B2 JP2017202730A JP2017202730A JP6685266B2 JP 6685266 B2 JP6685266 B2 JP 6685266B2 JP 2017202730 A JP2017202730 A JP 2017202730A JP 2017202730 A JP2017202730 A JP 2017202730A JP 6685266 B2 JP6685266 B2 JP 6685266B2
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims (12)
- 流体を保持するためのチャンバーを画成する内面を有する側壁と、外面と、開放近位端と、それから遠位に延在する先端部を持ち、前記チャンバーと流体的に連通するその中を通る通路を有する遠位壁を含む遠位端と、を含む筒であって、1または複数の環状位置決め不連続部を収容する外面をさらに備える筒と、
長さを画成する遠位端および近位端と、不規則な形状である外壁と、前記チャンバーから患者の血管アクセスデバイスへの流体的連通をもたらす輪郭形状を付けられた中心通路と、を備えるキャップであって、前記キャップを前記血管アクセスデバイスに解放可能に取り付ける遠位端環状路と、前記キャップを前記筒に解放可能に取り付ける近位端環状路と、をさらに備える、キャップと、
消毒剤を備える解放可能な消毒システムと、
前記筒内に配設された細長いプランジャロッドであって、遠位部分および近位部分を備え、前記筒に対するストッパーの移動によって前記チャンバーから流体を追い出すため前記筒の内面と流体密封して接触するように摺動可能に位置決めされた前記ストッパーを含む遠位端をさらに備え、前記ストッパーは、遠位端と近位端とを有し、前記ストッパーの前記遠位端は、前記プランジャロッドが十分に押下されたときに前記ストッパーから脱着可能であり、前記キャップ内に着座可能である輪郭形状を付けられたストッパー先端部をさらに備える、プランジャロッドと、
筒の外部にあるスリーブであって、内面と、外面と、少なくとも1つのフランジを含む開放近位端と、前記スリーブに対して前記キャップを収容し、前記キャップの回転を防止するように不規則な内面を持つ陥凹部を画成する開放遠位端と、を有し、前記遠位端は、前記解放可能な消毒システムにさらに接続され、前記スリーブが前記筒上の1または複数の環状位置決め不連続部に補完的であって、前記スリーブに対して前記筒の遠位への動きを一緒に制御する1または複数の環状位置決め不連続部をさらに備える、スリーブと、
前記ストッパーと前記筒の遠位壁との間の前記チャンバー内の一定量のフラッシュ溶液と
を備えることを特徴とするフラッシュ注射器アセンブリ。 - 前記キャップの前記遠位端環状路は、真っすぐな内壁、および前記血管アクセスデバイスを補完するようにネジ山を付けられた外壁をさらに備え、前記遠位端環状路は、前記キャップの前記長さより短く延在することを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- 前記キャップの前記近位端環状路は、真っすぐな外壁、および前記筒に解放可能に取り付けられる内壁をさらに備え、前記近位端環状路は、前記キャップの前記長さより短く延在することを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- 前記キャップの前記近位端環状路は、締まり嵌めおよびネジ山を付けられたコネクタのうちの1または複数によって前記筒に取り付けられることを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- 前記キャップの前記輪郭形状を付けられた中心通路は、前記筒と前記血管アクセスデバイスとの間に流体接続を確立するように前記キャップの全長にわたって延在し、前記中心通路の前記輪郭形状は、ストッパー先端部の外面の前記輪郭形状を補完するように前記近位端の近くで切り取られることを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- 前記キャップの前記輪郭形状を付けられた中心通路は、抗菌剤でコーティングされることを特徴とする請求項5に記載のフラッシュ注射器アセンブリ。
- 前記ストッパーの先端部、は、前記ストッパーから脱着可能であり、前記血管アクセスデバイス内に埋め込まれることが可能であることを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- 前記ストッパーは、ネジ山を付けられた接続部と締まり嵌めのうちの1または複数によってストッパー先端部を保持するための空洞を有することを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- 前記ストッパー先端部の前記遠位端の前記輪郭形状は、前記キャップの前記中心通路の前記輪郭形状を補完し、前記フラッシュ注射器アセンブリが取り外された後に前記血管アクセスデバイス内に前記ストッパー先端部を保持するのに十分なように、前記中心通路と共に締まり嵌めを形成するように構成されることを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- ストッパー先端部は、前記血管アクセスデバイス上のネジ山を補完する前記ストッパー先端部上のネジ山を使用してストッパーに螺合可能に取り付けられ、これにより、両方とも、施術者による1回の動きで取り外され得ることを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- 前記筒上の前記環状位置決め不連続部は、遠位環状位置決め隆起部および近位環状位置決め隆起部の2つの環状位置決め隆起部を備え、前記スリーブ上の前記不連続部は、前記筒上の前記環状位置決め隆起部と相互作用するよう構成された溝を備えることを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
- 前記筒の前記外面は、前記筒の周りに相隔てて並ぶ1または複数の直線状の不連続部であって、前記筒の長さに沿って走り、前記スリーブの前記内面上の対応する不連続部と係合する、1または複数の直線状の不連続部をさらに備えることを特徴とする請求項1に記載のフラッシュ注射器アセンブリ。
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