JP2019072596A - カテーテルを備えた注入装置及びカテーテルを作る方法 - Google Patents
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- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
- A61M2025/0046—Coatings for improving slidability
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M25/00—Catheters; Hollow probes
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61M39/1055—Rotating or swivel joints
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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
- A61M39/12—Tube connectors; Tube couplings for joining a flexible tube to a rigid attachment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61M5/1407—Infusion of two or more substances
- A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
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Abstract
Description
れらの製品は、キンキングの高い発生率を有する個人用に推奨されている。残念ながら、これらの製品は2日を超える使用には推奨されない。何故ならば、上述の理由によって閉塞し得るからである。これらの2つの製品を除いて、市販されている残りの輸液セットはテフロン(登録商標)のようなポリマーから製造されているカテーテルを有している。
Claims (19)
- ハブと、
双数空腔のカテーテルであって、末端部及び基端部の間に延在する軸と、第1の組織深さ及び第2の組織深さをそれぞれ標的にするための前記カテーテルにおける複数の軸方向に離間した開口と、を含む双数空腔のカテーテルと、
前記第1の組織深さを標的にするためにボーラス投与の注入を前記双数空腔のカテーテルの第1の開口に向け、前記第2の組織深さを標的にするために基本的な注入を前記双数空腔のカテーテルの第2の開口に向けるように構成されたバルブと、
を備えたことを特徴とする双数空腔の注入装置。 - 前記双数空腔のカテーテルは、第1の組織深さを標的とするように構成された第1のカテーテルの本体部と、第2の組織深さを標的とするように構成された第2のカテーテルの本体部と、を備えたことを特徴とする請求項1に記載の双数空腔の注入装置。
- 即効性のインスリンを第1の組織深さに供給するように構成された少なくとも1つの貯留部と、遅効性のインスリンを第2の組織深さに供給ように構成された少なくとも1つの貯留部と、を含む注入ポンプをさらに備えたことを特徴とする請求項1に記載の双数空腔の注入装置。
- ボーラス投与の配送を第1の組織深さに供給するように構成された少なくとも1つの貯留部と、基本的な配送を第2の組織深さに供給するように構成された少なくとも1つの貯留部と、を含む注入ポンプをさらに備えたことを特徴とする請求項1に記載の双数空腔の注入装置。
- ボーラス投与の注入を第1の組織深さに、及び基本的な注入を第2の組織空間に供給するための単一の貯留部を含む注入ポンプをさらに備えたことを特徴とする請求項1に記載の双数空腔の注入装置。
- 皮膚接着表面及び皮膚接着表面開口を含むハブと、
末端部及び基端部の間に延在するカテーテルの本体部であって、1又は複数の軸方向開口は、前記カテーテルの本体部の少なくとも一部分を貫通している、カテーテルの本体部と、
を備えた注入装置であって、
前記カテーテルの本体部は、第1の剛体の本体部を第2の剛体の本体部に可動に連結するための柔軟な本体部と、前記カテーテルの本体部の前記柔軟な本体部を前記皮膚接着表面の開口を通して前記ハブに可動に連結するための前記第2の剛体の本体部と、を含み、前記開口は、前記皮膚接着表面によって囲まれており、
前記カテーテルの本体部は、前記末端部における前記第1の剛体の本体部と、前記基端部における前記第2の剛体の本体部と、それらの間の前記柔軟な本体部と、を備え、少なくとも前記第1の剛体の本体部及び前記柔軟な本体部は、使用中に皮膚表面下に配置されるように構成され、
前記注入装置は、前記カテーテルの本体部の前記基端部における結合体エレメントをさらに備え、
前記結合体エレメントは、使用中に皮膚表面上に配置され、前記本体部の前記基端部を前記ハブに柔軟に連結するように構成され、
前記結合体エレメントは、
前記柔軟な結合体を提供するために、前記ハブ内に回転可能に捕捉されるように構成されたボールエレメントと、
前記柔軟な結合体を提供するために、前記ハブ内に摺動可能に捕捉されるように構成されたスライドプレートと、
前記柔軟な結合体を提供するために、前記ハブ内に捕捉されるように構成された柔軟なブッシングと、
前記柔軟な結合体を提供するために、前記ハブに固定されるように構成されたベローズ継手と、
のうちの少なくとも1つを備え、
前記カテーテルの本体部の前記基端部における前記柔軟な結合体エレメントは、前記カテーテルの本体部と前記ハブとの間に配置された少なくとも1つのシール用エレメントをさらに備えたことを特徴とする注入装置。 - 第1の薬物を第1の組織空間に供給するように構成された少なくとも1つの貯留部と、
第2の薬物を第2の組織空間に供給するように構成された少なくとも1つの貯留部と、を含む注入ポンプ、
ボーラス投与の配送を第1の組織空間に供給するように構成された少なくとも1つの貯留部と、基本的な配送を第2の組織空間に供給するように構成された少なくとも1つの貯留部と、を含む注入ポンプ、及び
ボーラス投与の注入を第1の組織空間に、及び基本的な注入を第2の組織空間に供給する単一の貯留部を含む注入ポンプ、
のうちの少なくとも1つをさらに備えたことを特徴とする請求項6に記載の注入装置。 - 前記カテーテルは、
第1の組織空間及び第2の組織空間をそれぞれ標的にするために、前記カテーテルの本体部の少なくとも一部分を貫通している複数の別個の軸方向開口、
第1の組織空間を標的にするように構成された第1のカテーテルの本体部、及び第2の組織空間を標的にするように構成された第2のカテーテルの本体部、
挿入中に挿入部位を突き刺すように構成された斜めにされた面、及び
ボーラス投与の注入を第1の組織空間に向け、基本的な注入を第2の組織空間に向けるためのバルブ、
のうちの少なくとも1つを備えることを特徴とする請求項7に記載の注入装置。 - 前記カテーテルの本体部の前記剛体の本体部を前記ハブに可動に連結する前記カテーテルの本体部の前記柔軟な本体部は、
カテーテルの本体部の壁部を備え、前記壁部の1又は複数の長さ部は、1つ以上のチャンネル、溝、又はセパレーションが設けられており、前記1又は複数の軸方向開口と前記カテーテルの本体部の外部表面との間を延在し、前記カテーテルの本体部は、コイルバネを備え、前記セパレーションは前記カテーテルの本体部の前記コイルバネによって作製された隣り合うコイルと接触し、
前記カテーテルの本体部は前記末端部で実質的に閉じられ、前記チャンネル、溝、又はセパレーションの少なくとも1つが、前記カテーテルの本体部の前記軸方向開口と前記外部表面との間での流体の連通をもたらすように構成されていることを特徴とする請求項6に記載の注入装置。 - 前記カテーテルは、前記カテーテルの本体部の少なくとも一部分に配置された外側の鞘であって、前記カテーテルの本体部の一部分に配置されたテフロン(登録商標)の外側コーティング層、及び前記カテーテルの本体部の一部分に配置されたヴィアロン(登録商標)の外側コーティング層の少なくとも1つを備える外側の鞘を備え、
前記カテーテルは、前記カテーテルの本体部の少なくとも一部分に配置されたヘパリンコーティング、又は抗凝血剤ファミリーの1つを、さらに備えることを特徴とする請求項6に記載の注入装置。 - カテーテルの本体部の一部分を可動に連結する開口を備えるハブ本体をさらに備え、
前記ハブを前記カテーテルの本体部に可動に連結する前記開口は、
前記柔軟な結合体をもたらすために、前記カテーテルのボールエレメントを回転可能に固定するように構成されたボール戻り止め開口、
前記柔軟な結合体をもたらすために、前記カテーテルのスライドプレートを摺動可能に固定するように構成されたチャンバー開口、
前記柔軟な結合体をもたらすために、前記カテーテルの柔軟なブッシングを固定するように構成されたチャンバー開口、及び
前記柔軟な結合体をもたらすために、前記カテーテルを固定するように構成されたベローズ継手、
の少なくとも1つを備えることを特徴とする請求項6に記載の注入装置。 - 前記カテーテルの本体部は、
前記剛体の本体部と、
本体の壁部を備えた前記柔軟な本体部であって、前記壁部の1又は複数の長さ部は、1つ以上のチャンネル、溝、又はセパレーションが設けられている、前記柔軟な本体部と、
を備え、
内在のカテーテルの少なくとも一部分が、ステンレス鋼、ニチノール、チタン、硬質プラスチック、ポリカーボネート、COC、又は同様な材料から成ることを特徴とする請求項6に記載の注入装置。 - 皮膚に接触する接着剤層、少なくとも1つのカテーテルスリーブ、及び内在のカテーテルを備える内側カテーテルハブであって、前記カテーテルの本体部は、前記カテーテルの本体部の剛体の本体部を前記内側カテーテルハブに可動に連結するための内在の柔軟な本体部を備える、内側カテーテルハブと、
前記内側カテーテルハブを実質的に覆い、皮膚に接触する接着剤層を備える外側ハブと、
前記内側カテーテルハブと前記外側ハブとの間に柔軟に延在する衝撃隔絶部材であって、前記衝撃隔絶部材は、前記内側カテーテルハブを前記外側ハブ内で柔軟に固定し、前記皮膚に接触する接着剤層によって一旦固定されると、実質的に前記外側ハブからの前記内側カテーテルハブへの運動の連通を防止するように構成された衝撃隔絶手段と、
をさらに備えたことを特徴とする請求項6に記載の注入装置。 - 前記内在のカテーテルが前記カテーテルスリーブの端部を過ぎて引き込まれるように、前記内在のカテーテルを前記カテーテルスリーブに対して引き込む引き込み手段と、
単一の配置動作がカテーテル及び導入ニードルの組織への導入、カテーテルの正しい深さへの設置、及び導入ニードルの引き込みを許容するように構成されたスナップ作用機構によって支持されている内側ハブと、
外側ハブの外部表面を皮膚に向けて押圧することがカテーテルとカニューレを組織内に導入し、鋭利な先端部が鈍なカニューレの端部の上方に再位置付けされるように導入ニードルを引き込むように、外側ハブの平らな表面と前記内側ハブの引き込みシステムとを越えて延在する内側ハブと、
のうちの少なくとも1つをさらに備えたことを特徴とする請求項13に記載の注入装置。 - 皮膚に接触する接着剤層、少なくとも1つの格納可能な前記カテーテルの本体部、及び鈍なカニューレを備える内側カテーテルハブであって、前記カテーテルの本体部は、前記カテーテルの本体部の前記剛体の本体部を前記内側カテーテルハブに可動に連結するための前記柔軟な本体部を備える、内側カテーテルハブと、
実質的に前記内側カテーテルハブを覆い、皮膚に接触する接着剤層を備える外側ハブと、
前記内側カテーテルハブと前記外側ハブとの間に柔軟に延在する衝撃隔絶部材であって、前記衝撃隔絶部材は、前記内側カテーテルハブを前記外側ハブ内で柔軟に固定し、前記皮膚に接触する接着剤層によって一旦固定されると、実質的に前記外側ハブからの前記内側カテーテルハブへの運動の連通を防止するように構成された衝撃隔絶手段と、
をさらに備えたことを特徴とする請求項6に記載の注入装置。 - 引き込み可能なカテーテルの鋭利な先端部が鈍なカニューレの端部を過ぎて引き込まれるように、前記引き込み可能なカテーテルを前記鈍なカニューレに対して引き込む引き込み手段と、
単一の配置動作が前記引き込み可能なカテーテル及び前記鈍なカニューレの組織への導入、前記引き込み可能なカテーテルの正しい深さへの設置を許容するように構成されたスナップ作用機構と、前記引き込み可能なカテーテルの引き込むように構成されたレバーと、によって支持されている内側ハブと、
外側ハブの外部表面を皮膚に向けて押圧することが前記引き込み可能なカテーテルと前記鈍なカニューレを組織内に導入し、鋭利な先端部が前記鈍なカニューレの端部の上方に再位置付けされるようにレバーが前記引き込み可能なカテーテルを引き込むように、外側ハブの平らな表面と前記内側ハブの引き込みシステムとを越えて延在する内側ハブと、
のうちの少なくとも1つをさらに備えたことを特徴とする請求項13に記載の注入装置。 - カテーテルを作る方法であって、
剛体の本体部分及び柔軟な本体部分を備えたカテーテルを作るステップであって、前記カテーテルの本体部は、末端部における第1の剛体の本体部と、基端部における第2の剛体の本体部と、それらの間の柔軟な本体部と、を備え、少なくとも前記第1の剛体の本体部及び前記柔軟な本体部は、使用中に皮膚表面下に配置されるように構成される、ステップと、
前記カテーテルの少なくとも一部分を外側スリーブに外側被覆するか又は前記外側スリーブを押出加工して当該押出加工された外側スリーブを前記カテーテルの少なくとも一部分に組み立てることにより、前記外側スリーブを前記カテーテルの少なくとも一部分に施すステップと、
前記柔軟な本体部分を用いてハブの皮膚接着表面の開口を通して前記剛体の本体部分を前記ハブに連結するステップであって、前記開口は前記皮膚接着表面に囲まれている、ステップと、
を含むことを特徴とする方法。 - 中実のロッドを形成、鋳造、押出加工、射出成形、又は機械加工して、前記カテーテルの本体の少なくとも一部分を貫通している複数の別個の軸方向開口溝を備える複数空腔の内在のカテーテルの本体を作成するステップと、
前記複数空腔のカテーテルの外表面と前記外側スリーブの内表面との間に前記空腔を作るために、前記複数空腔のカテーテルの外表面に複数の溝を形成するステップと、
をさらに含むことを特徴とする請求項17に記載の方法。 - ポリマーを所望の温度にまで加熱するステップと、
剛体の本体部分と、本体の壁部を備える柔軟な本体部分であって、前記壁部の1つ以上の長さ部に1つ以上のチャンネル、溝、又はセパレーションが設けられている柔軟な本体部分と、一端部において鋭利化された部分と、を形成するために、前記加熱されたポリマーを用いて、前記カテーテルの本体部の少なくとも一部分を貫通している1又は複数の軸方向開口を含む内在のカテーテルを射出成形するステップと、
をさらに含むことを特徴とする請求項17に記載の方法。
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