JPWO2016043003A1 - 血液成分分離装置 - Google Patents
血液成分分離装置 Download PDFInfo
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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
- A61M1/02—Blood transfusion apparatus
- A61M1/0209—Multiple bag systems for separating or storing blood components
- A61M1/0236—Multiple bag systems for separating or storing blood components with sampling means, e.g. sample bag or sampling port
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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
- A61M1/02—Blood transfusion apparatus
- A61M1/024—Means for controlling the quantity of transfused blood, e.g. by weighing the container and automatic stopping of the transfusion after reaching a determined amount
- A61M1/0245—Means for controlling the quantity of transfused blood, e.g. by weighing the container and automatic stopping of the transfusion after reaching a determined amount combined with blood container shaking means
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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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B04B5/0442—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation
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- A61M2205/00—General characteristics of the apparatus
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Abstract
Description
図1に示すように、本実施例の血液成分分離装置は、血液成分分離回路1を有する。血液成分分離回路1は、採血針2と、初流血を採取するための初流血採取バッグY7、サンプリングポート3、初流血採取ライン4とからなる初流血採取回路5を有する。
前記のように性別に応じて予測血小板回収率の値を変える手法は、血液成分分離装置の他の態様であるベルト方式の連続型遠心機50にも適用できる。
15 制御部
E1 遠心ボウル
Y1 血漿バッグ(第1の容器)
Y2 一時貯留バッグ(第2の容器)
Y3 血小板中間バッグ(第3の容器)
Y4 エアバッグ
Y5 血小板バッグ
Y6 エアバッグ
C2 濁度センサ
C4 界面センサ
P1 第1血液ポンプ
P2 第2血液ポンプ
P3 第3血液ポンプ
V1 第1開閉弁
V2 第2開閉弁
V3 第3開閉弁
V4 第4開閉弁
V5 第5開閉弁
V6 第6開閉弁
V7 第7開閉弁
V8 第8開閉弁
V9 第9開閉弁
V10 第10開閉弁
T1〜21 チューブ
PLT 血小板
PC 血小板液
PPP 血漿
RBC 赤血球
WBC 白血球
30 ドナー演算シミュレータ
50 連続型遠心機
52 ローター
54 モータ
56 分離容器
58 流体チャンバ
62 ドナー演算シミュレータ
Claims (4)
- 供血者より採取した血液から複数の血液成分を分離して血小板を採取する血液成分分離装置において、
前記血液のヘマトクリット値と前記血液の血小板濃度とから予測血小板回収率を算出し、算出した前記予測血小板回収率をもとに、目標の単位数の血小板を採取するために推奨される前記血液の推奨処理量を算出する演算部を有し、
前記演算部は、任意の前記ヘマトクリット値と任意の前記血小板濃度とから算出される前記予測血小板回収率を、前記供血者が女性の場合には前記供血者が男性の場合よりも所定値α小さくすること、
を特徴とする血液成分分離装置。 - 請求項1の血液成分分離装置において、
前記血液の推奨処理量が多くなるに従い、前記所定値αは大きくなること、
を特徴とする血液成分分離装置。 - 請求項1または2の血液成分分離装置において、
a)前記血液を遠心分離器に導入し、複数の血液成分に分離する遠心分離工程と、
b)分離された血液成分のうち血漿を前記遠心分離器内に前記血液と共に導入する循環フロー工程と、
c)前記循環フロー工程の後、前記血液の前記遠心分離器への供給を停止して、前記遠心分離器に血漿のみを導入し、所定時間さらに血漿を循環させた後、循環速度を加速することにより血小板を前記遠心分離器により分離し、採取する循環・加速工程と、
d)前記循環・加速工程の後、採取しなかった血液成分について前記供血者へ返血する返血工程と、を行い、
前記a)〜d)の工程を1つのサイクルとして行うものであり、
前記演算部は、前記血液の推奨処理量として推奨サイクル数を算出すること、
を特徴とする血液成分分離装置。 - 請求項1または2の血液成分分離装置において、
前記血液を環状の分離容器内に供給しながら前記分離容器を軸中心に回転させることにより、前記分離容器内の前記血液を複数の血液成分に分離させ、分離させた前記複数の血液成分から血小板を採取すること、
を特徴とする血液成分分離装置。
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JP2014191403 | 2014-09-19 | ||
JP2014191403 | 2014-09-19 | ||
PCT/JP2015/074099 WO2016043003A1 (ja) | 2014-09-19 | 2015-08-26 | 血液成分分離装置 |
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JPWO2016043003A1 true JPWO2016043003A1 (ja) | 2017-06-29 |
JP6542781B2 JP6542781B2 (ja) | 2019-07-10 |
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US (2) | US10518007B2 (ja) |
EP (1) | EP3195886B1 (ja) |
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US11878312B2 (en) * | 2011-11-21 | 2024-01-23 | Pneumatic Scale Corporation | Centrifuge system for separating cells in suspension |
US11065629B2 (en) * | 2011-11-21 | 2021-07-20 | Pneumatic Scale Corporation | Centrifuge system for separating cells in suspension |
US20220212207A9 (en) * | 2011-11-21 | 2022-07-07 | Pneumatic Scale Corporation | Centrifuge system for separating cells in suspension |
CN104245010B (zh) | 2012-03-27 | 2016-10-12 | 泰尔茂株式会社 | 血液成分分离装置 |
WO2018053217A1 (en) | 2016-09-16 | 2018-03-22 | Fenwal, Inc. | Blood separation systems and methods employing centrifugal and spinning membrane separation techniques |
US11311823B2 (en) | 2019-03-05 | 2022-04-26 | Fenwal, Inc. | Collection of mononuclear cells and peripheral blood stem cells |
US11484891B2 (en) | 2019-05-23 | 2022-11-01 | Fenwal, Inc. | Adjustment of target interface location between separated fluid components in a centrifuge |
EP4238596A3 (en) | 2019-05-23 | 2023-12-13 | Fenwal, Inc. | Centrifugal separation and collection of red blood cells or both red blood cells and plasma |
US11957998B2 (en) * | 2019-06-06 | 2024-04-16 | Pneumatic Scale Corporation | Centrifuge system for separating cells in suspension |
CN115254456B (zh) | 2019-09-16 | 2023-08-29 | 汾沃有限公司 | 血液分离装置和数据处理系统 |
US11969536B2 (en) | 2019-12-12 | 2024-04-30 | Fenwal, Inc. | Systems enabling alternative approaches to therapeutic red blood cell exchange and/or therapeutic plasma exchange |
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- 2015-08-26 US US15/510,592 patent/US10518007B2/en active Active
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- 2015-08-26 EP EP15842039.8A patent/EP3195886B1/en active Active
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JP6542781B2 (ja) | 2019-07-10 |
EP3195886A1 (en) | 2017-07-26 |
US10518007B2 (en) | 2019-12-31 |
EP3195886A4 (en) | 2018-04-11 |
US20200078501A1 (en) | 2020-03-12 |
US11623033B2 (en) | 2023-04-11 |
WO2016043003A1 (ja) | 2016-03-24 |
US20170296718A1 (en) | 2017-10-19 |
EP3195886B1 (en) | 2019-09-25 |
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