JP7184872B2 - 静脈内カテーテル組立体内の器具の案内を改善するためのシステム及び方法 - Google Patents
静脈内カテーテル組立体内の器具の案内を改善するためのシステム及び方法 Download PDFInfo
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- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
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- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
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- 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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- 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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- 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
- A61M2039/0072—Means for increasing tightness of the septum, e.g. compression rings, special materials, special constructions
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
- A61M2039/0633—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof the seal being a passive seal made of a resilient material with or without an opening
- A61M2039/066—Septum-like element
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
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- 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
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- A61M39/16—Tube connectors; Tube couplings having provision for disinfection or sterilisation
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Description
本出願は、一般に、カテーテルシステム内の器具案内であって、抹消IVカテーテルシステムを含みうるものに関する。幾つかの実施形態では、カテーテルシステムはカテーテル組立体を含みうる。幾つかの実施形態では、以下のもの:カテーテル組立体は、カテーテル、カテーテルアダプター、隔壁ハウジング、及び隔壁の1つ以上を含みうる。
Claims (17)
- カテーテル組立体であって、
遠位端、近位端、及びこれらの間に伸びる管腔を含むカテーテルアダプター、並びに
前記管腔内に配置される隔壁であって、前記隔壁は遠位方向に内側に先細った近位表面を含み、前記近位表面が前記隔壁を通って遠位側にプローブ又はカテーテルを案内するように構成された隔壁
を含み、
前記カテーテル組立体が、隔壁ハウジングを更に含み、
前記隔壁は前記隔壁ハウジング内に少なくとも部分的に配置され、
前記隔壁ハウジングは遠位方向に内側に先細った近位表面を含み、前記近位表面が前記隔壁を通って前記プローブ又は前記カテーテルを遠位側に案内するように構成される、
カテーテル組立体。 - 前記隔壁が空洞を含み、前記空洞の遠位端が環状突出部を含み、環状突出部が前記近位表面を形成する、請求項1に記載のカテーテル組立体。
- 前記隔壁が、前記環状突出部の中心に配置されたスリットを更に含む、請求項2に記載のカテーテル組立体。
- 延長チューブを更に含み、前記カテーテルアダプターの近位端が第1のポート及び第2のポートを含み、前記管腔が、第1の管腔、第2の管腔、及び共通の管腔含み、前記第1のポートが前記第1の管腔を形成し、前記第2ポートが前記第2の管腔を形成し、前記第1の管腔及び第2の管腔が前記共通の管腔で接続され、前記第1の管腔が前記共通の管腔と概ね整列され、前記隔壁は第1の管腔に配置されて液体が第1のポートを通ってカテーテルアダプターから出ていくのを防止し、前記第2のポートは前記延長チューブに連結される、請求項1に記載のカテーテル組立体。
- 前記隔壁ハウジングは遠位端及び近位端を含み、前記隔壁は前記隔壁ハウジングの前記遠位端内に少なくとも部分的に配置され、前記隔壁ハウジングの前記近位端は前記近位表面を含む、請求項1に記載のカテーテル組立体。
- 導入器であって、
カテーテルアダプターの近位端と連結されるように構成された導入要素であって、前記導入要素の近位端は開口部を含み、前記開口部の内表面は遠位方向に内側に先細っており、前記近位表面が前記導入要素を通り、且つ前記カテーテルアダプターの前記近位端の中へプローブ又はカテーテルを遠位側に案内するように構成される導入要素を含み、
前記導入要素の近位端は連結機構を含み、
前記導入要素の遠位端はチューブを含み、液体が前記チューブの遠位開口部から流入するのを防止する液体シールを更に含み、
前記液体シールはスリットを含み、
前記チューブの遠位端は鈍端である、
導入器。 - 前記導入要素の前記近位端は連結機構を含み、
前記導入要素の遠位端はチューブを含み、
前記導入器が前記連結機構を介して前記カテーテルアダプターに連結されるのに対応して、前記チューブが前記カテーテルアダプター内に配置された隔壁を貫通するように構成され、
前記チューブの遠位端が鈍端である、請求項6に記載の導入器。 - 前記導入要素に連結されたスリーブを更に含み、前記スリーブは前記プローブ又は前記カテーテルを囲むように構成され、前記スリーブは、遠位方向に縮むように構成され、前記プローブ又は前記カテーテルは、前記スリーブが前記遠位方向に圧縮されたときに、前記ブローブ又は前記カテーテルが前記スリーブの遠位端を越えた位置に前進する、請求項6に記載の導入器。
- 前記導入要素に連結されたスリーブ及び前記スリーブの近位端に連結されたグリップを更に含み、前記スリーブは前記プローブ又は前記カテーテルを囲むように構成され、前記グリップは、遠位側に移動して遠位方向に前記スリーブを圧縮し、前記スリーブの遠位端を越えた位置に前記プローブ又は前記カテーテルを前進させるように構成された、請求項6に記載の導入器。
- 前記液体シールが弾性カバーを更に含み、前記弾性カバーが抗菌剤を含む、請求項6に記載の導入器。
- 導入器であって、
カテーテルアダプターの近位端と連結されるように構成された導入要素であって、前記導入要素の近位端は、
開口部と、
前記導入要素の前記近位端に連結されるスリーブと、
前記スリーブの近位端に連結されるグリップと
を含み、前記スリーブはプローブ又はカテーテルを囲むように構成され、前記グリップが遠位側に移動して前記スリーブを圧縮し、前記カテーテルアダプターのカテーテルの遠位先端を越えた位置に前記プローブ又は前記カテーテルを前進させるように構成された導入要素を含み、
前記導入要素の前記近位端は、前記導入要素をカテーテルアダプターに連結するように構成された連結機構を含み、
前記導入要素の遠位端はチューブを含み、前記チューブの頂部上に配置された弾性カバーを更に含み、
前記チューブの遠位端は鈍端である、
導入器。 - 前記導入要素の前記近位端は、カテーテルアダプターに前記導入要素を連結するように構成された連結機構を含み、前記導入要素の遠位端はチューブを含み、前記導入器が前記連結機構を介して前記カテーテルアダプターに連結されるのに対応して、前記チューブが前記カテーテルアダプター内に配置された隔壁を貫通するか、又は前記隔壁の近位表面の近傍に配置され、前記チューブの遠位端が鈍端である、請求項11に記載の導入器。
- 前記開口部の内表面は遠位方向に内側に先細っており、前記内表面が、前記導入要素を通って、且つ前記カテーテルアダプターの前記近位端の中へ、前記プローブ又は前記カテーテルを遠位側に案内するように構成される、請求項11に記載の導入器。
- 前記弾性カバーは抗菌剤を含む、請求項11に記載の導入器。
- 前記連結機構は、前記カテーテルアダプターのポートに連結されるように構成され、液体が前記ポートを介してカテーテルアダプターから出て行くのを防止する、請求項11に記載の導入器。
- 前記スリーブ内に配置されたプローブを更に含む、請求項15に記載の導入器。
- 前記スリーブ内に配置されたカテーテルを更に含む、請求項16に記載の導入器。
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