JP7393327B2 - 呼吸補助のためのデュアルチャンバガス交換器とその使用方法 - Google Patents
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1698—Blood oxygenators with or without heat-exchangers
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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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
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Description
Claims (16)
- 血液酸素供給器であって、
血液入口、血液出口、ストリッピングガス入口、酸素化ガス入口、および少なくとも1つのガス出口を備えるハウジングと、
前記ハウジング内に配置され、血液が前記血液入口から前記血液出口までの所定の経路で酸素供給器繊維束の血流領域を通って流れるように構成された酸素供給器繊維束であって、前記酸素供給器繊維束は、円筒形であり、かつ前記酸素供給器繊維束を通る血流経路の少なくとも一部は、半径方向内向きまたは半径方向外向きに血液を流す半径方向流路である、酸素供給器繊維束と、を備え、
前記ストリッピングガス入口は、ストリッピングガスの流れを、前記酸素供給器繊維束のストリッピング領域を通って前記少なくとも1つのガス出口に向けるように構成され、かつ前記酸素化ガス入口は、酸素化ガスの流れを、前記酸素供給器繊維束の酸素化領域を通って前記少なくとも1つのガス出口に向けるように構成され、
前記酸素供給器繊維束のストリッピング領域は、前記酸素供給器繊維束の酸素化領域の上流にある、血液酸素供給器。 - 前記酸素供給器繊維束は、円筒形であり、かつ前記血流経路の少なくとも一部は、環状に血液を流す経路である、請求項1に記載の血液酸素供給器。
- 前記血流経路の少なくとも一部は、前記酸素供給器繊維束にわたって一方向である、請求項1に記載の血液酸素供給器。
- 前記酸素供給器繊維束は、円筒形であり、かつ前記血流経路の外側部分は、環状に血液を流す経路であり、内側部分は、半径方向内向きに血液を流す経路である、請求項1に記載の血液酸素供給器。
- 前記血液入口は、前記外側部分に供給し、前記内側部分は、前記血液出口に供給する、
請求項4に記載の血液酸素供給器。 - 前記ストリッピング領域は、少なくとも部分的に前記血流経路の前記外側部分に配置され、前記酸素化領域は、少なくとも部分的に前記血流経路の前記内側部分に配置される、請求項5に記載の血液酸素供給器。
- 前記血液入口は、前記内側部分に供給し、前記外側部分は、前記血液出口に供給する、請求項4に記載の血液酸素供給器。
- 前記ストリッピング領域は、少なくとも部分的に前記血流経路の前記内側部分に配置され、前記酸素化領域は、少なくとも部分的に前記血流経路の前記外側部分に配置される、請求項7に記載の血液酸素供給器。
- 前記血液酸素供給器は、前記酸素供給器繊維束の外側部分と内側部分を分離する円筒壁をさらに備え、血液は、前記血液入口から前記ハウジングの軸方向開口部を通って前記酸素供給器繊維束の外側部分に流れ、前記酸素供給器繊維束の外側部分を通って円筒壁の軸方向開口部を通って環状に流れ、前記酸素供給器繊維束の内側部分を取り囲む分配リングに入り、そこから血液は、前記酸素供給器繊維束の内側部分を通って半径方向内側に流れ、前記酸素供給器繊維束の内側部分の中心軸に沿った軸方向の収集領域に流れる、請求項4に記載の血液酸素供給器。
- 前記酸素供給器繊維束は、断面積を有し、前記ストリッピングガス入口からストリッピングガスを受け取る前記ストリッピング領域は、前記断面積の20%~80%を含む入口面積を有し、かつ前記酸素化ガス入口から酸素化ガスを受け取る前記酸素化領域は、前記断面積の80%~20%を含む入口面積を有する、請求項1に記載の血液酸素供給器。
- 前記血液酸素供給器は、ストリッピングガスを前記ストリッピングガス入口から前記酸素供給器繊維束の前記ストリッピング領域に向け、酸素化ガスを前記酸素化ガス入口から前記酸素供給器繊維束の前記酸素化領域に向けるマニホールド分割器をさらに備える、請求項10に記載の血液酸素供給器。
- 前記マニホールド分割器は、前記ストリッピングガス入口からストリッピングガスおよび前記酸素化ガス入口から酸素化ガスを受け取るマニホールドに配置され、前記マニホールドは、前記酸素供給器繊維束のガス入口側全体に開いており、前記マニホールド分割器の配置は、前記ストリッピングガス入口からストリッピングガスを受け取る前記ストリッピング領域の入口領域と、前記酸素化ガス入口から酸素化ガスを受け取る前記酸素化領域の入口領域を制御する、請求項11に記載の血液酸素供給器。
- 前記マニホールド分割器は、可動である、請求項12に記載の血液酸素供給器。
- 前記マニホールド分割器は、固定されている、請求項13に記載の血液酸素供給器。
- 前記酸素供給器繊維束は、前記ハウジング内に配置されたマニホールドに隣接して配置された上部ポッティングおよび下部ポッティングをさらに備える、請求項1に記載の血液酸素供給器。
- 前記血液酸素供給器は、前記血液入口に接続された血液ポンプ、前記酸素化ガス入口に接続された酸素化ガス源、および前記ストリッピングガス入口に接続されたストリッピングガス源をさらに備える、請求項1に記載の血液酸素供給器。
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GB2583532B (en) * | 2019-05-03 | 2023-04-05 | Spectrum Medical Ltd | Control system |
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US20200206404A1 (en) | 2020-07-02 |
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JP2023164982A (ja) | 2023-11-14 |
EP3668556A1 (en) | 2020-06-24 |
JP7600335B2 (ja) | 2024-12-16 |
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US20220347362A1 (en) | 2022-11-03 |
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