JP5111537B2 - 液体注入熱交換器 - Google Patents
液体注入熱交換器 Download PDFInfo
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- JP5111537B2 JP5111537B2 JP2010044102A JP2010044102A JP5111537B2 JP 5111537 B2 JP5111537 B2 JP 5111537B2 JP 2010044102 A JP2010044102 A JP 2010044102A JP 2010044102 A JP2010044102 A JP 2010044102A JP 5111537 B2 JP5111537 B2 JP 5111537B2
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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
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
-
- 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
- A61M1/02—Blood transfusion apparatus
- A61M1/0281—Apparatus for treatment of blood or blood constituents prior to transfusion, e.g. washing, filtering or thawing
-
- 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
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/172—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body electrical or electronic
-
- 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
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
- A61M2205/127—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit with provisions for heating or cooling
-
- 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
- A61M2206/00—Characteristics of a physical parameter; associated device therefor
- A61M2206/10—Flow characteristics
-
- 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
- A61M2206/00—Characteristics of a physical parameter; associated device therefor
- A61M2206/10—Flow characteristics
- A61M2206/14—Static flow deviators in tubes disturbing laminar flow in tubes, e.g. archimedes screws
-
- 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
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
-
- 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
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/365—Air detectors
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- External Artificial Organs (AREA)
Description
カートリッジは有害量の空気が患者の身体内に注入されないことを確実にする。
同様に、この実施例の除気機構は、液体出口ポートでの弁と、エアトラップ内の液体の体積が所定レベルに増加するにつれて、空気を空気出口ポーとから押出すため、連絡し合って作用する空気出口ポートでの弁とを利用できる。この実施例のエアトラップは、垂直軸線から離れて45°まで運動される時に有効に除去できる。
液体はエアトラップ110および流出気泡検出器112として役立つ第3t−継手を通り流出する。流出気泡検出器112は、過剰量の空気が系統に浸透しているかどうかを検出する。液体が流出気泡検出器112を通過するにつれて、空気の認容できないレベルが液体内に残っていれば、このシステムは、患者の人体内に液体の注入を許容しないであろう。液体が空気を含まないか、または、認容できるような空気の最少量であれば、液体は流出気泡検出器を通過して、主流出管111を経て患者内に入る。
エアトラップにより形成されるシリンダは高さが3インチと10インチの間、好ましくは、3.5インチと7インチの間であり、最も好ましくは4インチと6インチの間である。エアトラップシリンダの直径は、0.5インチと2インチの間、好ましくは、0.625インチと1.5インチの間、最も好ましくは0.75インチと1.25インチの間である。エアトラップは、たとえ、垂直軸線から45°まで傾斜されていても、液体が通過するにつれて、エアトラップは液体から空気を適切に除去できる。
熱交換器内で流れる液体の含む熱伝達のために、同一の複数の第1フィンと第2フィンとの間の間隔は、0.25インチから0.5インチ、好ましくは0.35インチから0.45インチ、最も好ましくは0.37インチから0.43インチである。熱交換器の半体のフィンの長さは、線形流れ距離である。フィンの長さは、約0.25インチから1.0インチ、好ましくは0.5インチから0.8インチ、最も好ましくは0.6インチから0.7インチにできる。流路は、また、第1の複数フィン内のフィンの頂部の間の離間間隔と、第2の複数フィン内の2つのフィンとの間の谷により作られる深さ要素を含む。流路は約0.01インチから0.25インチ、好ましくは0.03ンチから0.125インチ、最も好ましくは0.04インチから0.110インチの深さを有することができる。フィンの幅は3インチから6インチ、好ましくは3.5ンチから5インチ、最も好ましくは4インチから4.5インチにできる。
ればならない。隙間を満たし、空気より良好な熱導体を使用すれば、表面の界面に印加される、より小さく適度な圧力により、このシステムを確立できる。
101 熱交換器
102 主流入管
103 流入圧力監視装置
104 ポンプループ
105 流出出力監視装置
106 熱交換器入口ポート
107 熱交換器出口ポート
110 エアトラップ
111 主流出管
Claims (22)
- 第1端部、これに対向する第2端部と第1および第2の複数の重合フィンで定められる内部熱交換区域とを含む熱交換器において、
前記第1端部は熱交換器の下方にあり、前記第2端部は熱交換器の上方にあり、
前記熱交換器の一側面に、寸法が同じ複数のフィンが、前記第1端部から前記第2端部に向かって、相互に実質的に平行かつ均等に離間されて設けられ、
前記一側面に設けられた複数のフィンの間にフィンの端部が入るように、前記熱交換器の他の側面に、寸法が同じ複数のフィンが、前記第1端部から前記第2端部に向かって相互に実質的に平行かつ均等に離間されて設けられ、
前記複数のフィンは、重力に対して垂直方向に配置され、
各フィンは、高さと幅の比が少なくとも1:2を有し、それにより、液体は、入口ポートを介して熱交換器の該第1端部に入り、各フィンの幅の少なくとも一部を横切って熱交換区域を通して流れ、該第2端部を介して熱交換器の出口ポートから出る血液のための熱交換器。 - フィンの高さと幅の比が約1:2から1:50である請求項1の熱交換器。
- フィンの高さと幅の比が約1:4から1:25である請求項1の熱交換器。
- フィンの高さと幅の比が約1:5から1:10である請求項1の熱交換器。
- フィンの高さは、約0.25インチから約1インチの範囲である請求項1の熱交換器。
- 熱交換区域の流路の液体流の表面とフィンの平坦部表面とは、約0.01インチから約0.25インチの深さを有する請求項1の熱交換器。
- 同一の複数のフィン内の第1フィンと第2フィンとの間の間隔は、約0.25インチから約0.5インチである請求項1の熱交換器。
- 前記熱交換区域内で、各フィンが、前記第1端部と第2端部に対して実質的に平行に配置されている請求項1記載の熱交換器。
- 熱交換器は、共に固定される2つの対称ユニットから構成される請求項1の熱交換器。
- 熱交換器は、単一ユニットから構成される請求項1の熱交換器。
- 熱交換器は、共に固定される、同じモールドから鋳造される少なくとも2つの半体から構成される請求項1の熱交換器。
- 互いに重なり合う、複数の第1フィンと第2フィンから成る内部熱交換区域を有する熱交換器であって、
前記熱交換器の一側面に、寸法が同じ複数の前記第1フィンが、内部熱交換区域の下端から上端に向かって、相互に実質的に平行かつ均等に離間されて設けられ、
前記一側面に設けられた複数の前記第1フィン間に前記第2フィンの端部が入るように、前記熱交換器の他の側面に、寸法が同じ複数の前記第2フィンが、内部熱交換区域の前記下端から前記上端に向かって、相互に実質的に平行かつ均等に離間されて設けられ、
各フィンが、高さと幅の比が少なくとも1:2であり、液体が該内部熱交換区域に入り、曲がりくねる液体流を作り、該液体は該フィンの幅の少なくとも一部を横切って該熱交換区域を通過する血液のための熱交換器。 - 該内部熱交換区域は、該重なり合うフィンにより少なくとも部分的に起こされる複数の線形に流れる部分を有するリボン状の深さが浅い液体流れを形成し、該リボン状の深さが浅い液体流れは、前記複数の線形に流れる部分の長さより長い幅を有している請求項12に記載の熱交換器。
- 流路幅に対する、フィンの平坦部上の線形流れ部分の長さの比は、約1:2から約1:50である請求項13の熱交換器。
- 流路幅に対する、フィンの平坦部上の線形流れ部分の長さの比は、約1:4から約1:25である請求項13の熱交換器。
- 流路幅に対する、フィンの平坦部上の線形流れ部分の長さの比は、約1:5から約1:10である請求項13の熱交換器。
- 複数の線形流れ部分の長さは、約0.25インチから約1インチの長さである請求項13の熱交換器。
- 各フィンの高さは、約0.25から1インチである請求項13の熱交換器。
- 該複数の第1のフィン又は該複数の第2のフィン内においてフィンの間隔が0.25から0.5インチを有する請求項13の熱交換器。
- 熱交換器により形成される液体流の該液体流の表面とフィンの平坦部表面とが約0.01から0.25インチの深さを有する請求項13の熱交換器。
- 前記熱交換器が第1端部とそれに対向する第2の端部を有しており、各フィンが熱交換区域内において、該第1端部と第2端部に対して実質的に平行に配置されている請求項13記載の熱交換器。
- 該液体が該第1端部近傍の入口ポートを介して内部熱交換区域に入り、該第2端部近傍の出口ポートを介して該内部熱交換区域から出る請求項21記載の熱交換器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/082,260 US7563248B2 (en) | 2005-03-17 | 2005-03-17 | Infusion fluid heat exchanger and cartridge |
US11/082,260 | 2005-03-17 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008501914A Division JP4493713B2 (ja) | 2005-03-17 | 2006-03-09 | 注入液体熱交換器およびカートリッジ |
Publications (2)
Publication Number | Publication Date |
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JP2010172707A JP2010172707A (ja) | 2010-08-12 |
JP5111537B2 true JP5111537B2 (ja) | 2013-01-09 |
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Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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JP2008501914A Active JP4493713B2 (ja) | 2005-03-17 | 2006-03-09 | 注入液体熱交換器およびカートリッジ |
JP2010044209A Expired - Fee Related JP5111538B2 (ja) | 2005-03-17 | 2010-03-01 | 注入液体熱交換器用エアトラップ |
JP2010044102A Expired - Fee Related JP5111537B2 (ja) | 2005-03-17 | 2010-03-01 | 液体注入熱交換器 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008501914A Active JP4493713B2 (ja) | 2005-03-17 | 2006-03-09 | 注入液体熱交換器およびカートリッジ |
JP2010044209A Expired - Fee Related JP5111538B2 (ja) | 2005-03-17 | 2010-03-01 | 注入液体熱交換器用エアトラップ |
Country Status (9)
Country | Link |
---|---|
US (8) | US7563248B2 (ja) |
EP (3) | EP1865894B1 (ja) |
JP (3) | JP4493713B2 (ja) |
CN (1) | CN101180016B (ja) |
AU (3) | AU2006227836B2 (ja) |
CA (1) | CA2601128C (ja) |
ES (2) | ES2385351T3 (ja) |
MX (1) | MX2007011417A (ja) |
WO (1) | WO2006101743A2 (ja) |
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