DE69521380T2 - Flüssigkeitsdruckmessvorrichtung und Regelungsverfahren einer solchen Vorrichtung - Google Patents

Flüssigkeitsdruckmessvorrichtung und Regelungsverfahren einer solchen Vorrichtung

Info

Publication number
DE69521380T2
DE69521380T2 DE69521380T DE69521380T DE69521380T2 DE 69521380 T2 DE69521380 T2 DE 69521380T2 DE 69521380 T DE69521380 T DE 69521380T DE 69521380 T DE69521380 T DE 69521380T DE 69521380 T2 DE69521380 T2 DE 69521380T2
Authority
DE
Germany
Prior art keywords
pressure
sub
chamber
gas
changing
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.)
Expired - Lifetime
Application number
DE69521380T
Other languages
German (de)
English (en)
Other versions
DE69521380D1 (de
Inventor
Jacques Chevallet
Alain Frugier
Eric Louvet
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.)
Gambro Industries SAS
Original Assignee
Hospal Industrie SAS
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 Hospal Industrie SAS filed Critical Hospal Industrie SAS
Application granted granted Critical
Publication of DE69521380D1 publication Critical patent/DE69521380D1/de
Publication of DE69521380T2 publication Critical patent/DE69521380T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/004—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces
    • G01L11/006—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces hydraulic or pneumatic counterbalancing forces
    • 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
    • A61M1/1601—Control or regulation
    • A61M1/1603—Regulation parameters
    • A61M1/1605—Physical characteristics of the dialysate fluid
    • 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
    • A61M1/1601—Control or regulation
    • A61M1/1617—Control or regulation using measurements made during a temporary variation of a characteristic of the fresh dialysis fluid
    • 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
    • A61M1/3639—Blood pressure control, pressure transducers specially adapted 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
    • 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
    • A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
    • A61M1/3641—Pressure isolators
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3344—Measuring or controlling pressure at the body treatment site
    • 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
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3351—Controlling upstream pump pressure
    • 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
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3355—Controlling downstream pump pressure
    • 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
    • A61M2205/3365—Rotational speed

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Emergency Medicine (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • External Artificial Organs (AREA)
  • Measuring Fluid Pressure (AREA)
  • Paper (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Reciprocating Pumps (AREA)
  • Sampling And Sample Adjustment (AREA)
DE69521380T 1994-09-14 1995-09-05 Flüssigkeitsdruckmessvorrichtung und Regelungsverfahren einer solchen Vorrichtung Expired - Lifetime DE69521380T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9411216A FR2724321A1 (fr) 1994-09-14 1994-09-14 Dispositif de mesure de la pression d'un liquide et procede de reglage d'un tel dispositif

Publications (2)

Publication Number Publication Date
DE69521380D1 DE69521380D1 (de) 2001-07-26
DE69521380T2 true DE69521380T2 (de) 2002-05-02

Family

ID=9467104

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521380T Expired - Lifetime DE69521380T2 (de) 1994-09-14 1995-09-05 Flüssigkeitsdruckmessvorrichtung und Regelungsverfahren einer solchen Vorrichtung

Country Status (8)

Country Link
US (1) US5722399A (enExample)
EP (1) EP0701830B1 (enExample)
JP (1) JP3690846B2 (enExample)
AT (1) ATE202288T1 (enExample)
CA (1) CA2158245C (enExample)
DE (1) DE69521380T2 (enExample)
ES (1) ES2158058T3 (enExample)
FR (1) FR2724321A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10233622A1 (de) * 2002-07-24 2004-02-12 Disetronic Licensing Ag Infusionspumpe, Verfahren, Steuerprogramm und Halbleiterbauelement zur dosierten Verabreichung einer medizinischen Flüssigkeit

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10032616A1 (de) * 2000-07-08 2002-01-24 Mhm Harzbecher Medizintechnik Systemelemente zur Druckmessung in extrakorporalen Kreisläufen
US20050159708A1 (en) * 2002-07-24 2005-07-21 Rudolf Sidler Infusion pump, control program, semiconductor means and method for the dosed administration of a medicinal liquid
ITMI20030212A1 (it) * 2003-02-07 2004-08-08 Gambro Lundia Ab Metodo per il trattamento extracorporeo di sangue
US7314554B2 (en) * 2003-02-07 2008-01-01 Gambro Lundia Ab Extracorporeal blood treatment machine
ITMO20030259A1 (it) 2003-09-25 2005-03-26 Gambro Lundia Ab User interface per una macchina per il trattamento
ITMO20050125A1 (it) * 2005-05-20 2006-11-21 M D Micro Detectors S P A Disposotivo per la misura non invasiva della pressione di un fluido, particolarmente per la misura della pressione del sangue in apparecchiature medicali.
US8092414B2 (en) 2005-11-09 2012-01-10 Nxstage Medical, Inc. Diaphragm pressure pod for medical fluids
DE102006016846B4 (de) 2006-04-07 2010-02-11 Nikkiso Medical Systems Gmbh Anschlusselement zur lösbar abgedichteten Verbindung eines Fluidleitungssystems mit einem Druckaufnehmer und Druckaufnehmer hierzu
EP2009415B1 (en) * 2006-04-19 2015-07-22 Asahi Kasei Medical Co., Ltd. Pressure sensor for extracorporeal circulating circuit
DE102007042964A1 (de) * 2007-09-10 2009-03-19 Fresenius Medical Care Deutschland Gmbh Vorrichtung und Verfahren zur Behandlung einer medizinischen Flüssigkeit und medizinische Kassette
US8408040B2 (en) * 2007-12-06 2013-04-02 Asahi Kasei Medical Co., Ltd. Method of calibrating pressure measurement unit
DE102008015322B4 (de) 2008-03-20 2026-02-12 Sartorius Stedim Biotech Gmbh Verbindungselement zur Verbindung eines Meßwertaufnehmers mit einem abgedichteten Fluidsystem
DE102008034154B4 (de) * 2008-07-22 2011-08-25 Fresenius Medical Care Deutschland GmbH, 61352 Verfahren zum Betrieb einer Druckmesseinrichtung, Vorrichtung mit wenigstens einer Druckmesseinrichtung, Gerät mit einer derartigen Vorrichtung
JP5650881B2 (ja) * 2008-11-17 2015-01-07 旭化成メディカル株式会社 圧力センサの使用方法
FR2943134B1 (fr) * 2009-03-13 2011-10-07 Millipore Corp Dispositif pour determiner une grandeur physique d'un liquide circulant dans une conduite
EP2305204A1 (en) * 2009-09-30 2011-04-06 Fresenius Medical Care Deutschland GmbH Tubing set having an insert for the infusion of drugs
GB2504644A (en) 2011-05-31 2014-02-05 Nxstage Medical Inc Pressure measurement devices, methods and systems
CN202619647U (zh) * 2011-10-26 2012-12-26 李铁林 液体低压压强传递、传感装置及用于膀胱中尿液压强的传递、传感装置
US9241641B2 (en) 2012-07-20 2016-01-26 Acist Medical Systems, Inc. Fiber optic sensor assembly for sensor delivery device
US20140052009A1 (en) * 2012-08-15 2014-02-20 Acist Medical Systems, Inc. Monitoring blood pressure in a medical injection system
WO2014093846A1 (en) * 2012-12-14 2014-06-19 Gambro Renal Products, Inc. Diaphragm repositioning for pressure pod using position sensing
US9844620B2 (en) * 2012-12-20 2017-12-19 Gambro Lundia Ab Blood set component connection detection
WO2014099767A1 (en) * 2012-12-20 2014-06-26 Gambro Renal Products, Inc. Target volume based diaphragm repositioning for pressure measurement apparatus
JP6117584B2 (ja) * 2013-03-26 2017-04-19 旭化成メディカル株式会社 圧力チャンバー
CN104069558B (zh) * 2013-03-26 2016-05-11 旭化成医疗株式会社 压力腔室
US8960010B1 (en) * 2013-12-23 2015-02-24 Fresenius Medical Care Holdings, Inc. Automatic detection and adjustment of a pressure pod diaphragm
JP6624069B2 (ja) * 2014-12-09 2019-12-25 ニプロ株式会社 膜位置調整装置、及びそれを備える血液浄化システム
JP6483874B1 (ja) * 2018-01-18 2019-03-13 日機装株式会社 圧力検出器の調整装置
CN113038981B (zh) 2018-10-31 2023-02-28 阿西斯特医疗系统有限公司 流体压力传感器保护
AU2020241517A1 (en) 2019-03-15 2021-09-30 Nxstage Medical, Inc. Pressure measurement devices, methods, and systems
JP2020201175A (ja) * 2019-06-12 2020-12-17 日機装株式会社 圧力検出装置及びそれを用いた血液浄化装置
CN112155679B (zh) * 2020-10-28 2021-10-12 王冬冬 妇科腔镜微创外科手术刀
US11668618B2 (en) * 2021-09-27 2023-06-06 Flowserve Pte. Ltd. Apparatus for measuring the pressure and flow rate of a high temperature corrosive liquid

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US3635089A (en) * 1969-12-02 1972-01-18 Carborundum Co Apparatus and process for the measurement of the pressure of corrosive material
US3863504A (en) * 1973-03-09 1975-02-04 American Hospital Supply Corp Pressure gauge protector assembly and method
US4166396A (en) * 1978-04-12 1979-09-04 Gauges International, Inc. Pressure indicating device
US4546785A (en) * 1981-10-09 1985-10-15 Cybar Corporation Pressure translator and system for measuring pressure
FR2655419B1 (fr) * 1989-12-05 1992-02-21 Commissariat Energie Atomique Capteur de pression avec reglage d'une contre-pression.
US5910252A (en) 1993-02-12 1999-06-08 Cobe Laboratories, Inc. Technique for extracorporeal treatment of blood
US5441636A (en) * 1993-02-12 1995-08-15 Cobe Laboratories, Inc. Integrated blood treatment fluid module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10233622A1 (de) * 2002-07-24 2004-02-12 Disetronic Licensing Ag Infusionspumpe, Verfahren, Steuerprogramm und Halbleiterbauelement zur dosierten Verabreichung einer medizinischen Flüssigkeit

Also Published As

Publication number Publication date
EP0701830A1 (fr) 1996-03-20
JP3690846B2 (ja) 2005-08-31
JPH08117332A (ja) 1996-05-14
CA2158245C (fr) 2007-02-20
EP0701830B1 (fr) 2001-06-20
US5722399A (en) 1998-03-03
FR2724321B1 (enExample) 1997-02-14
ES2158058T3 (es) 2001-09-01
ATE202288T1 (de) 2001-07-15
DE69521380D1 (de) 2001-07-26
CA2158245A1 (fr) 1996-03-15
FR2724321A1 (fr) 1996-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GAMBRO INDUSTRIES S.A.S., MEYZIEU, FR