DE3716765A1 - Membran mit magnet - Google Patents

Membran mit magnet

Info

Publication number
DE3716765A1
DE3716765A1 DE19873716765 DE3716765A DE3716765A1 DE 3716765 A1 DE3716765 A1 DE 3716765A1 DE 19873716765 DE19873716765 DE 19873716765 DE 3716765 A DE3716765 A DE 3716765A DE 3716765 A1 DE3716765 A1 DE 3716765A1
Authority
DE
Germany
Prior art keywords
corrugations
axis
central region
magnet
sheet
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
Application number
DE19873716765
Other languages
German (de)
English (en)
Other versions
DE3716765C2 (enExample
Inventor
James Leon Zook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Terumo BCT Inc
Original Assignee
Cobe Laboratories Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cobe Laboratories Inc filed Critical Cobe Laboratories Inc
Publication of DE3716765A1 publication Critical patent/DE3716765A1/de
Application granted granted Critical
Publication of DE3716765C2 publication Critical patent/DE3716765C2/de
Granted legal-status Critical Current

Links

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
    • A61M1/14—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
    • 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
    • A61M1/1635—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid
    • A61M1/1639—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid linked by membranes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/08—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/16—Diaphragms; Bellows; Mountings therefor
    • 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
    • A61M2205/3317—Electromagnetic, inductive or dielectric measuring means
    • 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
    • A61M2205/3324—PH measuring means

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Urology & Nephrology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Emergency Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • External Artificial Organs (AREA)
  • Reciprocating Pumps (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE19873716765 1986-05-20 1987-05-19 Membran mit magnet Granted DE3716765A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/865,526 US4775470A (en) 1986-05-20 1986-05-20 Diaphragm with magnet

Publications (2)

Publication Number Publication Date
DE3716765A1 true DE3716765A1 (de) 1987-11-26
DE3716765C2 DE3716765C2 (enExample) 1991-04-25

Family

ID=25345704

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873716765 Granted DE3716765A1 (de) 1986-05-20 1987-05-19 Membran mit magnet

Country Status (6)

Country Link
US (1) US4775470A (enExample)
JP (1) JPS62273011A (enExample)
CA (1) CA1262428A (enExample)
DE (1) DE3716765A1 (enExample)
FR (1) FR2599109B1 (enExample)
GB (1) GB2190656B (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822360A1 (de) * 1988-07-01 1990-01-04 Kettrup Antonius Gasprobennehmer
DE4116177A1 (de) * 1991-05-17 1992-11-19 Fresenius Ag Bilanzkammer
DE19647835A1 (de) * 1996-11-19 1998-05-20 Medecontrol Electronics Gmbh Meßverfahren und Vorrichtung zur Volumenstrommessung
DE10141097A1 (de) * 2001-08-22 2003-03-13 Karlsruhe Forschzent Sensor und Verfahren zur Messung kleiner Flussraten
DE102009037845A1 (de) * 2009-08-18 2011-04-14 Fresenius Medical Care Deutschland Gmbh Einwegelement, System zum Pumpen sowie Verfahren zum Pumpen einer Flüssigkeit
EP4151249A1 (de) 2021-09-21 2023-03-22 Carl Zeiss Meditec AG Verfahren zum betreiben einer fluidpumpe und ophthalmochirurgisches system hiermit
DE102021210482A1 (de) 2021-09-21 2023-03-23 Carl Zeiss Meditec Ag Ophthalmochirurgische Kassette

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4790937A (en) * 1986-05-20 1988-12-13 Cobe Laboratories, Inc. Diaphragm and chamber device
DE69029223T2 (de) * 1989-05-25 1997-04-03 Toyo Tire & Rubber Co Messmembran für Gaszähler, Herstellungsverfahren dafür und damit arbeitender Gaszähler
JP2792528B2 (ja) * 1993-08-27 1998-09-03 澁谷工業株式会社 透析装置
US6280406B1 (en) 1997-09-12 2001-08-28 Gambro, Inc Extracorporeal blood processing system
AU2003251684A1 (en) * 2002-08-08 2004-03-19 Ou Cui Valve pump
US8104397B2 (en) 2008-09-30 2012-01-31 M&Fc Holding, Llc Gas metering diaphragm
CN102631720A (zh) * 2012-04-28 2012-08-15 广东宝莱特医用科技股份有限公司 一种带有检测功能的平衡腔
WO2015027174A1 (en) * 2013-08-23 2015-02-26 Unitract Syringe Pty Ltd Integrated pierceable seal fluid pathway connection and drug containers for drug delivery pumps
EP3362767B1 (en) * 2015-10-14 2020-12-02 Micro Motion, Inc. Diaphragm displacement flowmeter
DE102024134534A1 (de) * 2024-11-22 2026-05-28 Fresenius Medical Care Deutschland Gmbh Bilanziervorrichtung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1077943A (fr) * 1953-05-30 1954-11-12 Auxiliaire De Verification Et Appareils pour la mesure de débits de courant gazeux de faible importance
DE962850C (de) * 1955-01-06 1957-04-25 Ford Werke Ag Fluessigkeitspumpe zur Foerderung geringer Fluessigkeitsmengen gegen eine niedrige Druckhoehe
DE2256120A1 (de) * 1972-11-16 1974-05-22 Bp Benzin Und Petroleum Ag Durchflussmessgeraet mit einem hinund hergehenden membranverdraenger
US4077882A (en) * 1976-09-27 1978-03-07 Ronald Gangemi Isolating and blood pressure transmitting apparatus for extracorporeal blood treatment system
US4204538A (en) * 1978-06-07 1980-05-27 Imed Corporation Cassette for intravenous controller
DE3102032A1 (de) * 1981-01-22 1982-08-19 Roland 7776 Owingen Dürig Membranpumpe
US4530759A (en) * 1978-09-02 1985-07-23 Fresenius Aktiengesellschaft Hemodialysis apparatus with degassing means for the dialysis solution

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1474157A (fr) * 1966-02-09 1967-03-24 Prec Mecanique Labinal Perfectionnements apportés aux appareils à membrane déformable
FR2344297A1 (fr) * 1976-03-15 1977-10-14 Rhone Poulenc Ind Perfectionnement aux reins artificiels
AU527275B2 (en) * 1980-01-23 1983-02-24 Cordis Dow Corporation Auto-diaphragm hemodialyser
US4315523A (en) * 1980-03-06 1982-02-16 American Flow Systems, Inc. Electronically controlled flow meter and flow control system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1077943A (fr) * 1953-05-30 1954-11-12 Auxiliaire De Verification Et Appareils pour la mesure de débits de courant gazeux de faible importance
DE962850C (de) * 1955-01-06 1957-04-25 Ford Werke Ag Fluessigkeitspumpe zur Foerderung geringer Fluessigkeitsmengen gegen eine niedrige Druckhoehe
DE2256120A1 (de) * 1972-11-16 1974-05-22 Bp Benzin Und Petroleum Ag Durchflussmessgeraet mit einem hinund hergehenden membranverdraenger
US4077882A (en) * 1976-09-27 1978-03-07 Ronald Gangemi Isolating and blood pressure transmitting apparatus for extracorporeal blood treatment system
US4204538A (en) * 1978-06-07 1980-05-27 Imed Corporation Cassette for intravenous controller
US4530759A (en) * 1978-09-02 1985-07-23 Fresenius Aktiengesellschaft Hemodialysis apparatus with degassing means for the dialysis solution
DE3102032A1 (de) * 1981-01-22 1982-08-19 Roland 7776 Owingen Dürig Membranpumpe

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822360A1 (de) * 1988-07-01 1990-01-04 Kettrup Antonius Gasprobennehmer
DE4116177A1 (de) * 1991-05-17 1992-11-19 Fresenius Ag Bilanzkammer
DE19647835A1 (de) * 1996-11-19 1998-05-20 Medecontrol Electronics Gmbh Meßverfahren und Vorrichtung zur Volumenstrommessung
DE10141097A1 (de) * 2001-08-22 2003-03-13 Karlsruhe Forschzent Sensor und Verfahren zur Messung kleiner Flussraten
DE10141097C2 (de) * 2001-08-22 2003-12-18 Karlsruhe Forschzent Sensor und Verfahren zur Messung kleiner Flussraten
DE102009037845A1 (de) * 2009-08-18 2011-04-14 Fresenius Medical Care Deutschland Gmbh Einwegelement, System zum Pumpen sowie Verfahren zum Pumpen einer Flüssigkeit
EP4151249A1 (de) 2021-09-21 2023-03-22 Carl Zeiss Meditec AG Verfahren zum betreiben einer fluidpumpe und ophthalmochirurgisches system hiermit
DE102021124415A1 (de) 2021-09-21 2023-03-23 Carl Zeiss Meditec Ag Verfahren zum Betreiben einer Fluidpumpe und ophthalmochirurgisches System hiermit
DE102021210482A1 (de) 2021-09-21 2023-03-23 Carl Zeiss Meditec Ag Ophthalmochirurgische Kassette
US12544260B2 (en) 2021-09-21 2026-02-10 Carl Zeiss Meditec Ag Method for operating a fluid pump, and ophthalmic surgical system with same

Also Published As

Publication number Publication date
FR2599109B1 (fr) 1990-04-20
GB8710601D0 (en) 1987-06-10
GB2190656A (en) 1987-11-25
US4775470A (en) 1988-10-04
JPS62273011A (ja) 1987-11-27
FR2599109A1 (fr) 1987-11-27
CA1262428A (en) 1989-10-24
JPH0327257B2 (enExample) 1991-04-15
DE3716765C2 (enExample) 1991-04-25
GB2190656B (en) 1989-12-13

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