JP2019193735A - エアトラップチャンバ及び体外循環回路 - Google Patents
エアトラップチャンバ及び体外循環回路 Download PDFInfo
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- JP2019193735A JP2019193735A JP2018088658A JP2018088658A JP2019193735A JP 2019193735 A JP2019193735 A JP 2019193735A JP 2018088658 A JP2018088658 A JP 2018088658A JP 2018088658 A JP2018088658 A JP 2018088658A JP 2019193735 A JP2019193735 A JP 2019193735A
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- JP
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- Prior art keywords
- filter
- air trap
- opening
- chamber
- trap chamber
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 22
- 210000004369 blood Anatomy 0.000 claims description 47
- 239000008280 blood Substances 0.000 claims description 47
- 239000007788 liquid Substances 0.000 claims description 20
- 239000012530 fluid Substances 0.000 description 16
- 239000002504 physiological saline solution Substances 0.000 description 10
- 210000001367 artery Anatomy 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000502 dialysis Methods 0.000 description 6
- 238000002560 therapeutic procedure Methods 0.000 description 6
- 239000012510 hollow fiber Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 210000003462 vein Anatomy 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 4
- 208000007536 Thrombosis Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012503 blood component Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 230000000322 hemodialysis Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
- A61M1/3638—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters with a vapour trap
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0031—Degasification of liquids by filtration
-
- 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
- A61M2205/75—General characteristics of the apparatus with filters
-
- 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
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7545—General characteristics of the apparatus with filters for solid matter, e.g. microaggregates
-
- 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
- A61M2206/16—Rotating swirling helical flow, e.g. by tangential inflows
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
- B01D19/0057—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
Description
図17には、本実施形態に係るフィルタ40のまた更なる別例(第三別例)が例示される。この例では、図7と同様に、第一リブ44及び第二リブ45が、ともに円筒部41の中心軸方向に沿って延設され、また第一リブ44及び第二リブ45が、周方向に沿って複数設けられる。しかしながら、図7との差異点として、第一リブ44も第二リブ45もともに円筒部41の下端から上端まで延設される。つまり第一リブ44及び第二リブ45が固定部43から天井部42まで延設される。その上で、第一リブ44及び第二リブ45は、フィルタ40の下端(固定部43)から上端(天井部42)に向かうにつれて周方向幅が狭くなる、先細の形状となるように形成される。
Claims (4)
- 略円筒形状であってその中心軸方向一端に導入管が設けられ他端に導出口が設けられ、前記導入管から前記導出口まで液体が流下されるチャンバ本体を備え、
前記導入管は前記チャンバ本体内まで延設され、当該導入管の端部開口である導入口が前記チャンバ本体の内周面に、周方向に向けて設けられ、
前記チャンバ本体内に、前記導出口を覆うフィルタが設けられた、
エアトラップチャンバであって、
前記フィルタは、
前記導出口を囲んで前記チャンバ本体の中心軸方向に延設される円筒部と、
前記円筒部の、前記チャンバ本体の導出口側の下端と対向する上端を覆う天井部と、
が形成され、
前記フィルタの前記円筒部には、前記中心軸方向に沿って複数段に亘って開口が形成され、
前記フィルタの天井部側である上段の前記開口の周方向幅が、前記導出口側である下段の前記開口の周方向幅よりも大きく形成される、
エアトラップチャンバ。 - 請求項1に記載のエアトラップチャンバであって、
前記フィルタには、前記中心軸方向に延設されるリブが周方向に沿って複数設けられ、
複数の前記リブは、
前記フィルタの下端から前記フィルタの天井部まで延設される第一リブと、
前記フィルタの下端から前記フィルタの天井部に至る手前で終端する第二リブと、
を含む、エアトラップチャンバ。 - 請求項1に記載のエアトラップチャンバであって、
前記フィルタには、前記中心軸方向に延設されるリブが周方向に沿って複数設けられ、
前記リブは、前記フィルタの下端から前記フィルタの天井部に向かうにつれて周方向幅が狭くなるように形成される、エアトラップチャンバ。 - 脱血された血液が循環される体外循環回路の流路上に、請求項1〜3のいずれか一項に記載のエアトラップチャンバが接続された、
体外循環回路。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018088658A JP6571833B1 (ja) | 2018-05-02 | 2018-05-02 | エアトラップチャンバ及び体外循環回路 |
US17/049,927 US11833287B2 (en) | 2018-05-02 | 2019-03-15 | Air trap chamber and extracorporeal circulation circuit |
PCT/JP2019/010961 WO2019211952A1 (ja) | 2018-05-02 | 2019-03-15 | エアトラップチャンバ及び体外循環回路 |
CN201980028250.7A CN112041002B (zh) | 2018-05-02 | 2019-03-15 | 空气阱室和体外循环回路 |
EP19796958.7A EP3789060B1 (en) | 2018-05-02 | 2019-03-15 | Air trap chamber and extracorporeal circulation circuit |
CN202310756063.9A CN116726288A (zh) | 2018-05-02 | 2019-03-15 | 空气阱室和体外循环回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018088658A JP6571833B1 (ja) | 2018-05-02 | 2018-05-02 | エアトラップチャンバ及び体外循環回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6571833B1 JP6571833B1 (ja) | 2019-09-04 |
JP2019193735A true JP2019193735A (ja) | 2019-11-07 |
Family
ID=67844760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018088658A Active JP6571833B1 (ja) | 2018-05-02 | 2018-05-02 | エアトラップチャンバ及び体外循環回路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11833287B2 (ja) |
EP (1) | EP3789060B1 (ja) |
JP (1) | JP6571833B1 (ja) |
CN (2) | CN112041002B (ja) |
WO (1) | WO2019211952A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09808A (ja) * | 1995-02-24 | 1997-01-07 | Fresenius Ag | 医学的な液体から気泡を分離する装置 |
JP3066867U (ja) * | 1999-08-24 | 2000-03-07 | 川澄化学工業株式会社 | フィルタ―及びドリップチャンバ― |
JP2001309975A (ja) * | 2000-05-01 | 2001-11-06 | Hanako Medical Kk | 体外循環回路用成形型フィルター及びドリップチャンバー |
US20060173395A1 (en) * | 2002-02-12 | 2006-08-03 | Brugger James M | Set for blood processing |
WO2008065472A1 (en) * | 2006-12-01 | 2008-06-05 | Gambro Lundia Ab | A blood transfer chamber |
JP2010119561A (ja) * | 2008-11-19 | 2010-06-03 | Hanako Medical Kk | エアトラップチャンバ壁付き上部キャップ |
JP2013090675A (ja) * | 2011-10-24 | 2013-05-16 | Nikkiso Co Ltd | エアトラップチャンバ |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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US4190426A (en) * | 1977-11-30 | 1980-02-26 | Baxter Travenol Laboratories, Inc. | Gas separating and venting filter |
JPS5883966A (ja) * | 1981-11-13 | 1983-05-19 | テルモ株式会社 | 膜型人工肺用血液回路 |
EP0586740B1 (de) * | 1992-09-11 | 1996-12-18 | Siemens-Elema AB | Vorrichtung zum Zurückhalten von Luftblasen |
JP3320185B2 (ja) * | 1994-01-12 | 2002-09-03 | 山信工業株式会社 | 液体濾過用フィルタ装置 |
DE19617036C2 (de) * | 1996-04-27 | 2003-12-04 | Fresenius Ag | Vorrichtung zum Abscheiden von Gasblasen aus Blut |
DE19750062A1 (de) * | 1997-11-12 | 1999-05-20 | Jostra Medizintechnik Ag | Vorrichtung zur Filtration und Entgasung von Körperflüssigkeiten, insbesondere von Blut |
JP4673973B2 (ja) * | 1998-09-09 | 2011-04-20 | ポール・コーポレーション | 流体処理要素、流体処理要素を掃除する方法、および流体を処理する方法 |
US6468427B1 (en) * | 1998-09-29 | 2002-10-22 | Gambro, Inc. | Fluid filter for use in extracorporeal blood processing |
JP3938557B2 (ja) * | 2003-05-12 | 2007-06-27 | ハナコメディカル株式会社 | 血球成分の変形防止機能を有する気泡除去チャンバー |
WO2009071961A1 (en) | 2007-12-04 | 2009-06-11 | Gambro Lundia Ab | An extracorporeal blood circuit |
JP5353202B2 (ja) * | 2008-11-21 | 2013-11-27 | ニプロ株式会社 | ドリップチャンバー用フィルタ |
JP4695703B2 (ja) * | 2009-10-30 | 2011-06-08 | Junken Medical株式会社 | 体外循環回路用チャンバ |
US8318092B2 (en) * | 2010-04-29 | 2012-11-27 | Sorin Group Italia S.R.L. | Oxygenator with integrated arterial filter |
JP2012105818A (ja) * | 2010-11-17 | 2012-06-07 | Terumo Corp | 気泡除去装置 |
US8518259B2 (en) * | 2011-01-27 | 2013-08-27 | Medtronic, Inc. | De-airing oxygenator for treating blood in an extracorporeal blood circuit |
US8865067B2 (en) * | 2011-04-29 | 2014-10-21 | Medtronic, Inc. | Combination oxygenator and arterial filter device for treating blood in an extracorporeal blood circuit |
KR20170092650A (ko) * | 2014-12-08 | 2017-08-11 | 제넨테크, 인크. | 다용도 주사기 플랫폼 |
EP4417228A2 (en) * | 2016-04-06 | 2024-08-21 | ConMed Corporation | Surgical suction device that uses positive pressure gas |
-
2018
- 2018-05-02 JP JP2018088658A patent/JP6571833B1/ja active Active
-
2019
- 2019-03-15 WO PCT/JP2019/010961 patent/WO2019211952A1/ja unknown
- 2019-03-15 CN CN201980028250.7A patent/CN112041002B/zh active Active
- 2019-03-15 CN CN202310756063.9A patent/CN116726288A/zh active Pending
- 2019-03-15 EP EP19796958.7A patent/EP3789060B1/en active Active
- 2019-03-15 US US17/049,927 patent/US11833287B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09808A (ja) * | 1995-02-24 | 1997-01-07 | Fresenius Ag | 医学的な液体から気泡を分離する装置 |
JP3066867U (ja) * | 1999-08-24 | 2000-03-07 | 川澄化学工業株式会社 | フィルタ―及びドリップチャンバ― |
JP2001309975A (ja) * | 2000-05-01 | 2001-11-06 | Hanako Medical Kk | 体外循環回路用成形型フィルター及びドリップチャンバー |
US20060173395A1 (en) * | 2002-02-12 | 2006-08-03 | Brugger James M | Set for blood processing |
WO2008065472A1 (en) * | 2006-12-01 | 2008-06-05 | Gambro Lundia Ab | A blood transfer chamber |
JP2010119561A (ja) * | 2008-11-19 | 2010-06-03 | Hanako Medical Kk | エアトラップチャンバ壁付き上部キャップ |
JP2013090675A (ja) * | 2011-10-24 | 2013-05-16 | Nikkiso Co Ltd | エアトラップチャンバ |
Also Published As
Publication number | Publication date |
---|---|
JP6571833B1 (ja) | 2019-09-04 |
CN116726288A (zh) | 2023-09-12 |
US20210046238A1 (en) | 2021-02-18 |
EP3789060B1 (en) | 2024-02-28 |
CN112041002B (zh) | 2023-08-11 |
WO2019211952A1 (ja) | 2019-11-07 |
CN112041002A (zh) | 2020-12-04 |
EP3789060A4 (en) | 2022-01-19 |
EP3789060A1 (en) | 2021-03-10 |
US11833287B2 (en) | 2023-12-05 |
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