JP2022136324A - 流体送達システム - Google Patents
流体送達システム Download PDFInfo
- Publication number
- JP2022136324A JP2022136324A JP2022122687A JP2022122687A JP2022136324A JP 2022136324 A JP2022136324 A JP 2022136324A JP 2022122687 A JP2022122687 A JP 2022122687A JP 2022122687 A JP2022122687 A JP 2022122687A JP 2022136324 A JP2022136324 A JP 2022136324A
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- catheter
- fluid
- needle
- patient
- drug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- A61M25/00—Catheters; Hollow probes
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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
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Abstract
Description
本出願は、その全体が参照により本明細書に組み入れられる、2016年12月21日に出願された米国特許仮出願第62/437,168号に対する優先権を主張する。
薬物(ポンプ1)と緩衝剤/食塩水(ポンプ2)の交互の拍動性注入
薬剤の総体積:2.2mL
緩衝剤の総体積:4.4mL
両ポンプの注入割合:15mL/分
サイクル数:腰部で10サイクル、その後、大槽で10サイクル
サイクル間の時間:100ミリ秒
注入の説明:腰部セクションで、ポンプ1は15mL/分で0.11mLを注入し、100ms休止、ポンプ2は15mL/分で0.22mLを注入し、100ms休止(サイクル1)。これを腰部で合計10サイクル繰り返す。カテーテルは大槽まで螺合する。ポンプ1は15mL/分で0.11mLを注入し、100ms休止、ポンプ2は15mL/分で0.22mLを注入し、100ms休止(サイクル1)。これを大槽で合計10サイクル繰り返す。
薬物(ポンプ1)と緩衝剤/食塩水(ポンプ2)の交互の拍動性注入
薬剤の総体積:3mL
緩衝剤の総体積:20mL
両ポンプの注入割合:4mL/分
サイクル:胸部領域で13サイクル
ポンプ1とポンプ2とを交互する間の時間:1000ミリ秒
サイクル間の時間(ポンプ2からポンプ1まで):5000ミリ秒
注入の説明:腰部セクションで、ポンプ1は4mL/分で0.231mLを注入し、1000ms休止、ポンプ2は4mL/分で2.0mLを注入し、5000ms休止(サイクル1)。これを胸部領域で合計13サイクル繰り返す。
薬物(ポンプ1)と緩衝剤/食塩水(ポンプ2)の交互の拍動性注入
薬剤の総体積:5mL
緩衝剤の総体積:8mL
ポンプ1の注入割合:37mL/分
ポンプ2の注入割合:20mL/分
サイクル:胸部領域で5サイクル
サイクル間の時間:10ミリ秒
注入の説明:腰部セクションで、ポンプ1は37mL/分で1mLを注入し、10ms休止、ポンプ2は30mL/分で1.6mLを注入し、100ms休止(サイクル1)。これを胸部領域で合計5サイクル繰り返す。
(1) 薬物送達装置であって、
内部に形成された流体管腔を有する細長い本体と、
前記送達装置内に形成された流体ポートと、を備え、前記流体ポートが、前記送達装置の壁に形成された螺旋状スリットによって画定されている、薬物送達装置。
(2) 前記螺旋状スリットが、前記本体の内面から前記本体の外面まで延在する、実施態様1に記載の装置。
(3) 前記螺旋状スリットが、前記流体管腔の内部と前記送達装置の外部との間の流体連通経路として作用する、実施態様1に記載の装置。
(4) 前記螺旋状スリットが、前記送達装置の外壁を貫通して形成されている、実施態様1に記載の装置。
(5) 前記螺旋状スリットが、前記送達装置の縮径部分の側壁に形成されている、実施態様1に記載の装置。
(7) 前記送達装置が、実質的に球形の球状部によって画定された非外傷性遠位先端を含む、実施態様1に記載の装置。
(8) 前記送達装置が、第2の遠位向き流体ポートを含む、実施態様1に記載の装置。
(9) 前記送達装置が、前記送達装置の大径近位部分と前記送達装置の縮径遠位部分との間にテーパ状移行部を含む、実施態様1に記載の装置。
(10) 前記テーパ状移行部が、円錐状、凸状、および凹状のうちの少なくとも1つである、実施態様9に記載の装置。
(12) 前記送達装置が、針を備える、実施態様1に記載の装置。
(13) 前記送達装置の遠位端に配設された膨張可能な部材をさらに備える、実施態様1に記載の装置。
(14) 前記膨張可能な部材が、前記装置の鋭利な遠位先端内から展開可能である、実施態様13に記載の装置。
(15) 前記膨張可能な部材が、内部に流体ポートを含む、実施態様13に記載の装置。
(17) 薬物送達装置であって、
内部に流体管腔を有する細長い本体と、流体が前記流体管腔の内部と前記送達装置の外部の位置との間で移動することができる流体ポートと、を備え
前記流体管腔の少なくとも一部が、螺旋形状である、薬物送達装置。
(18) 前記流体管腔の前記螺旋形状の部分が、前記流体ポートに隣接している、実施態様17に記載の装置。
(19) 前記流体管腔の前記螺旋形状の部分が、複数のループ状コイルを画定する管状通路を備える、実施態様17に記載の装置。
(20) 薬物送達装置であって、
鋭利な遠位先端を有する針と、
前記鋭利な先端の遠位端から選択的に展開可能な膨張可能な部材と、を備え、前記膨張可能な部材が、内部に形成された流体ポートを有し、
前記流体ポートが、螺旋状スリットを備える、薬物送達装置。
患者の総CSF体積を判定することと、
前記判定された前記患者の総CSF体積に基づいて、前記患者からある体積のCSFを吸引することと、
前記患者の髄腔内空間に薬物を注入することと、を含む、患者固有の注入方法。
(22) 前記薬物を注入した後に、前記髄腔内空間内の所望の方向に前記薬物を押し込むために、前記患者の前記吸引されたCSFを注入することをさらに含む、実施態様21に記載の方法。
(23) 前記総CSF体積が、前記患者の中枢神経系の術前画像から判定される、実施態様21に記載の方法。
(24) 前記吸引されたCSFの体積が、前記患者の前記総CSF体積の約1%~約20%の範囲にある、実施態様21に記載の方法。
(25) 前記CSFの体積が、吸引されている間に前記薬物が注入される、実施態様21に記載の方法。
患者の髄腔内空間に針を挿入することと、
流体送達カテーテルを、前記針を通して前記髄腔内空間に挿入することと、
薬物を、前記カテーテルを通して前記髄腔内空間に注入することと、
前記薬物を前記髄腔内空間に押し込むために、チェーサーを前記薬物の後ろの前記針を通して注入することと、を含む、薬物送達方法。
(27) 前記チェーサーが、薬物、緩衝剤、人工CSF、以前に前記患者から吸引された自然CSF、および食塩水のうちの少なくとも1つを含む、実施態様26に記載の方法。
(28) 前記チェーサーが、以前に吸引されたCSFを含み、前記CSFが、閉鎖システム内の同じシリンジを使用して吸引および注入される、実施態様26に記載の方法。
(29) 前記針が、0cm~1cmの範囲内の距離で前記髄腔内空間に突出する、実施態様26に記載の方法。
(30) 前記カテーテルが、0cm~1cmの範囲内の距離で前記針から突出する、実施態様29に記載の方法。
Claims (20)
- 流体送達システムであって、
管腔を画定する管状体を有する針であって、前記針は患者の組織に経皮的穿刺を作り出すように構成されている、針と、
前記針の前記管腔を通して螺合するように構成されているカテーテルと、
前記カテーテルに流体的に結合され、その中の流体の流れを制御するポンプと、を備える、流体送達システム。 - 前記針の前記管腔を通して螺合するようにされたあと、遠位端が前記針から外側に突出するように、前記カテーテルは構成されている、請求項1に記載の流体送達システム。
- 前記カテーテルは、遠位端が前記針の遠位先端に対して前記針内に陥没するように構成されるように、サイズ決めされている、請求項1に記載の流体送達システム。
- 前記針は、前記患者に腰椎穿刺を作り出すように構成され、前記カテーテルは前記患者の髄腔に流体的に接続するように構成されている、請求項1~3のいずれか一項に記載の流体送達システム。
- 前記ポンプが前記針の前記管腔に流体的に結合し、そこを通る流体の流れを制御するように構成されている、請求項1~4のいずれか一項に記載の流体送達システム。
- 前記ポンプが、前記カテーテル又は前記針のうちの一方を通して第1の流体を注入し、前記カテーテル又は前記針のうちの他方を通して第2の流体を吸引するように構成されている、請求項5に記載の流体送達システム。
- 前記ポンプが、前記カテーテルを通して第1の流体を注入し、続いて前記針を通して第2の流体を注入するように構成されている、請求項5に記載の流体送達システム。
- 前記第1の流体が薬物を含み、前記第2の流体が緩衝剤又はチェイサーを含む、請求項7に記載の流体送達システム。
- 複数のポートを有する流体ハブをさらに備え、前記カテーテルが前記複数のポートのうちの第1のポートを通して螺合するように構成され、前記ポンプが前記複数のポートのうちの第2のポートを介して前記針を通して流体を注入又は吸引のうちの少なくとも1つを行うように構成されている、請求項5に記載の流体送達システム。
- 前記ポンプの動作を制御するように構成されたコントローラをさらに備える、請求項1~9のいずれか一項に記載の流体送達システム。
- 前記コントローラは、前記ポンプの動作を制御して、前記患者の生理学的パラメータと協調して脈動的に前記カテーテルを通して流体を注入するように構成されている、請求項10に記載の流体送達システム。
- センサをさらに備え、前記コントローラは、前記センサによって決定されたデータを用いて前記患者の前記生理学的パラメータを測定または推定するように構成されている、請求項11に記載の流体送達システム。
- 前記センサが1つ以上のセンサを含み、前記患者の前記生理学的パラメータが、心拍数、髄腔内圧力、髄腔内拍動数、呼吸数、肺活量、胸部拡張、胸部収縮、胸腔内圧力、又は腹腔内圧力のうちの少なくとも1つを含む、請求項12記載の流体送達システム。
- 前記センサの出力を表示するように構成されたディスプレイをさらに備える、請求項12又は13に記載の流体送達システム。
- 前記カテーテルが複数の管腔を備え、前記ポンプが、前記複数の管腔のそれぞれを通る流体の流れを個別に制御するように構成されている、請求項10~14のいずれか一項に記載の流体送達システム。
- 前記ポンプが複数のポンプを備え、前記複数のポンプのそれぞれが前記複数の管腔のうちの1つに流体的に結合され、前記コントローラが、前記複数のポンプを選択的に動作させて前記複数の管腔のそれぞれを通る流体の流れを個別に制御するように構成されている、請求項15に記載の流体送達システム。
- 前記複数の管腔に流体的に結合された複数の逆止弁をさらに備え、前記複数の逆止弁のうちの個々の逆止弁は、前記複数の管腔のうちの1つを通る流体の流れを制限するように構成されている、請求項15又は16に記載の流体送達システム。
- 前記カテーテルが1つ以上のポートを備え、前記1つ以上のポートが遠位出口または半径方向ポートのうちの少なくとも1つを含む、請求項1~17のいずれか一項に記載の流体送達システム。
- 薬物をさらに含み、前記薬物は、アンチセンスオリゴヌクレオチド、立体的に純粋な核酸、ウイルス、アデノ随伴ウイルス(AAV)、非ウイルス遺伝子治療、ベキソソーム、リポソーム、または小分子のうちの少なくとも1つを含む、請求項1~18のいずれか一項に記載の流体送達システム。
- 薬物を送達することによる遺伝子治療、薬物を送達することによる遺伝子編集、薬物を送達することによる遺伝子スイッチング、または薬物を送達することによる非ウイルス遺伝子治療のうちの少なくとも1つを行うために、前記患者に前記薬物を注入するように構成されている、請求項1~19のいずれか一項に記載の流体送達システム。
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JP2020501800A (ja) | 2020-01-23 |
EP3558424A4 (en) | 2020-07-01 |
CN110022916B (zh) | 2022-06-03 |
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