JP5079747B2 - 重量計測装置 - Google Patents
重量計測装置 Download PDFInfo
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- JP5079747B2 JP5079747B2 JP2009150358A JP2009150358A JP5079747B2 JP 5079747 B2 JP5079747 B2 JP 5079747B2 JP 2009150358 A JP2009150358 A JP 2009150358A JP 2009150358 A JP2009150358 A JP 2009150358A JP 5079747 B2 JP5079747 B2 JP 5079747B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
- G01G3/1402—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
- G01G3/1412—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being parallelogram shaped
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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
- A61M1/1621—Constructional aspects thereof
- A61M1/1643—Constructional aspects thereof with weighing of fresh and used dialysis fluid
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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
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
- A61M1/3403—Regulation parameters
- A61M1/341—Regulation parameters by measuring the filtrate rate or volume
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3393—Masses, volumes, levels of fluids in reservoirs, flow rates by weighing the reservoir
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/13—Infusion monitoring
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Emergency Medicine (AREA)
- External Artificial Organs (AREA)
Description
10 重量計測装置
20 給液容器
21 透析液ポンプ
22 補液ポンプ
23 透析液容器
24 補液容器
30 ろ液容器
31 ろ液ポンプ
40 血液浄化器
50 表示部
110 第一幹体
111 第一取付部
112 第四幹体
113 第三取付部
114 第五幹体
115 第四取付部
120 第二幹体
121 第二取付部
130 第三幹体
140 支持部材
210 第三計測器
211 第四計測器
212 第五計測器
220 第一計測器
230 第二計測器
300 警告部
310 第一変化量算出部
320 第二変化量算出部
330 差分算出部
340 差分判断部
350 警告信号出力部
Claims (4)
- 血液浄化に使用される流体が収容された容器が取り付けられ、前記流体の重量を計測する重量計測装置であって、
第一流体が収容された第一容器が取り付けられるための第一取付部を備える第一幹体と、
前記第一幹体に接続され、第二流体が収容された第二容器が取り付けられるための第二取付部を備える第二幹体と、
前記第一取付部に取り付けられた前記第一容器と前記第二取付部に取り付けられた前記第二容器との重量の合計である合計重量を、前記第二幹体の変化から計測し、第一合計重量として出力する第一計測器と、
前記第二幹体に接続される第三幹体と、
前記合計重量を、前記第三幹体の変化から計測し、第二合計重量として出力する第二計測器と、
出力された前記第一合計重量と前記第二合計重量とが所定の値以上異なる値となった場合に、警告を行う警告部と
を備える重量計測装置。 - 前記警告部は、
前記第一合計重量の初期状態からの変化量である第一変化量を算出する第一変化量算出部と、
前記第二合計重量の初期状態からの変化量である第二変化量を算出する第二変化量算出部と、
算出された前記第一変化量と前記第二変化量との差分を算出する差分算出部と、
算出された前記差分が前記所定の値以上か否かを判断する差分判断部と、
前記差分が前記所定の値以上と判断された場合に、警告を行うための警告信号を出力する警告信号出力部とを備える
請求項1に記載の重量計測装置。 - さらに、
前記第一取付部に取り付けられた前記第一容器の重量を、前記第一幹体の変化から計測する第三計測器を備える
請求項1又は2に記載の重量計測装置。 - さらに、
前記第三幹体を支持する支持部材を備え、
前記第一幹体は、先端部に前記第一取付部を備え、
前記第二幹体は、先端部が前記第一幹体の基端部に接続されるとともに、先端部に前記第二取付部を備え、
前記第三幹体は、先端部が前記第二幹体の基端部に接続されるとともに、基端部が前記支持部材に接続され、
前記第三計測器は、前記第一幹体の歪み量から前記第一容器の重量を計測し、
前記第一計測器は、前記第二幹体の歪み量から前記合計重量を計測し、
前記第二計測器は、前記第三幹体の歪み量から前記合計重量を計測する
請求項3に記載の重量計測装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009150358A JP5079747B2 (ja) | 2009-06-24 | 2009-06-24 | 重量計測装置 |
US13/379,790 US8803010B2 (en) | 2009-06-24 | 2010-06-23 | Weight measuring apparatus for measuring a weight of fluids |
CN201080027534.3A CN102460092B (zh) | 2009-06-24 | 2010-06-23 | 重量测量装置 |
PCT/JP2010/004173 WO2010150536A1 (ja) | 2009-06-24 | 2010-06-23 | 重量計測装置 |
EP10791858.3A EP2447684B1 (en) | 2009-06-24 | 2010-06-23 | Weight measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009150358A JP5079747B2 (ja) | 2009-06-24 | 2009-06-24 | 重量計測装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011007577A JP2011007577A (ja) | 2011-01-13 |
JP5079747B2 true JP5079747B2 (ja) | 2012-11-21 |
Family
ID=43386322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009150358A Active JP5079747B2 (ja) | 2009-06-24 | 2009-06-24 | 重量計測装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8803010B2 (ja) |
EP (1) | EP2447684B1 (ja) |
JP (1) | JP5079747B2 (ja) |
CN (1) | CN102460092B (ja) |
WO (1) | WO2010150536A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6004671B2 (ja) * | 2012-03-05 | 2016-10-12 | 株式会社ジェイ・エム・エス | 重量計測装置 |
DE102013019356A1 (de) * | 2013-11-19 | 2015-06-03 | Fresenius Medical Care Deutschland Gmbh | Vorrichtung und Verfahren zum Bilanzieren von Flüssigkeiten für eine extrakorporale Blutbehandlungsvorrichtung |
CN104501925B (zh) * | 2014-04-21 | 2016-09-07 | 四川大学 | 药品灌装线动态称重系统模拟低通滤波电路 |
JP6540362B2 (ja) * | 2015-08-19 | 2019-07-10 | ニプロ株式会社 | 透析システム、その制御方法およびプログラム |
JP6593220B2 (ja) * | 2016-02-23 | 2019-10-23 | ニプロ株式会社 | 血液浄化装置 |
RU2729725C2 (ru) * | 2016-03-14 | 2020-08-11 | Хепа Уош Гмбх | Системы или устройства и способы проведения диализа |
JP7224219B2 (ja) * | 2019-03-20 | 2023-02-17 | 日機装株式会社 | 血液浄化装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6039166B2 (ja) * | 1978-09-18 | 1985-09-04 | 川崎製鉄株式会社 | ロ−ドセル異常検出方法及び装置 |
US4650464A (en) * | 1985-06-21 | 1987-03-17 | Minneapolis Medical Research Foundation, Inc. | Method for monitoring infusion of intravenous fluid into a patient |
US5112319A (en) * | 1991-05-14 | 1992-05-12 | Eric Lai | Infusion alarm system |
JP2587149B2 (ja) * | 1991-06-17 | 1997-03-05 | 久光製薬株式会社 | ロードセルによる二重チェック計量方法及びその計量装置 |
US5910252A (en) | 1993-02-12 | 1999-06-08 | Cobe Laboratories, Inc. | Technique for extracorporeal treatment of blood |
US5539157A (en) * | 1993-09-28 | 1996-07-23 | Hisamitsu Pharmaceutical Co., Inc. | Multi-check metering method using load cells and metering device for the same |
CN2303283Y (zh) * | 1997-07-08 | 1999-01-06 | 梁跃武 | 双秤架皮带秤 |
DE19846769C2 (de) * | 1998-10-10 | 2000-08-31 | Sartorius Gmbh | Vorrichtung zur Gewichtsbestimmung |
JP4487716B2 (ja) | 2004-10-04 | 2010-06-23 | 株式会社ジェイ・エム・エス | トルク検出装置 |
TWI262289B (en) | 2005-09-23 | 2006-09-21 | Univ Nat Chiao Tung | Optical-fiber raster double-bearing type inclination sensor for sensing stratum displacement |
JP4908044B2 (ja) * | 2006-04-14 | 2012-04-04 | 株式会社ジェイ・エム・エス | 重量検出装置及びバランス制御装置 |
JP5540954B2 (ja) | 2010-07-12 | 2014-07-02 | 富士通株式会社 | ブリッジ装置及びインタフェース装置、並びに通信方法 |
-
2009
- 2009-06-24 JP JP2009150358A patent/JP5079747B2/ja active Active
-
2010
- 2010-06-23 EP EP10791858.3A patent/EP2447684B1/en not_active Not-in-force
- 2010-06-23 CN CN201080027534.3A patent/CN102460092B/zh not_active Expired - Fee Related
- 2010-06-23 US US13/379,790 patent/US8803010B2/en not_active Expired - Fee Related
- 2010-06-23 WO PCT/JP2010/004173 patent/WO2010150536A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US8803010B2 (en) | 2014-08-12 |
US20120097459A1 (en) | 2012-04-26 |
CN102460092B (zh) | 2014-03-26 |
CN102460092A (zh) | 2012-05-16 |
WO2010150536A1 (ja) | 2010-12-29 |
EP2447684B1 (en) | 2014-10-29 |
JP2011007577A (ja) | 2011-01-13 |
EP2447684A4 (en) | 2013-11-13 |
EP2447684A1 (en) | 2012-05-02 |
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