JPH05502096A - 高圧流体測定制御装置 - Google Patents
高圧流体測定制御装置Info
- Publication number
- JPH05502096A JPH05502096A JP2507536A JP50753690A JPH05502096A JP H05502096 A JPH05502096 A JP H05502096A JP 2507536 A JP2507536 A JP 2507536A JP 50753690 A JP50753690 A JP 50753690A JP H05502096 A JPH05502096 A JP H05502096A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- valve
- container
- reservoir
- fluid
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 141
- 238000005259 measurement Methods 0.000 title claims description 41
- 238000002955 isolation Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 6
- 230000004913 activation Effects 0.000 claims 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 35
- 238000004364 calculation method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000001802 infusion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000009530 blood pressure measurement Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 235000021419 vinegar Nutrition 0.000 description 2
- 239000000052 vinegar Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000010999 medical injection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential 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
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16809—Flow controllers by repeated filling and emptying of an intermediate volume
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
- F16K31/005—Piezoelectric benders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1403—Flushing or purging
-
- 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
- A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Fluid Pressure (AREA)
- Measuring Volume Flow (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- External Artificial Organs (AREA)
- Control Of Fluid Pressure (AREA)
- Flow Control (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1 流体で部分的に満たされて、隔離された強固な容器において、非占有部分と 称される、流体によって占有されない容器部分の容積Vuを測定する装置であり 、測定ガスの周知の容積Viを一定に保持するレザバ装置と、 (i)容器の非占有部分に測定ガスを満たし、その結果測定ガスは容器内の流体 に伝達された流体であり、(ii)第1バルブ部分において、容器とレザバ装置 との間に測定ガスを流し、また第2バルブ部分において、容器とレザバ装置との 間を流れるガスを抑制し、また、(iii)活性化によって、レザバ装置内の測 定ガスの量を変更させることによってレザバ装置内の圧力を変更させるための圧 力装置と、 レザバ装置内の圧力を測定する変換器(トランスデユーサ)装置と、 (i)変換器装置ら測定圧力を読み取り、(ii)第1または第2バルブ位置に 圧力装置を設け、(iii)レザバ装置内の圧力が変化するように圧力装置を活 性化し、また(iv)測定圧力すなわちレザバ装置の容積Viに基づいて、液体 で占有されていない容器の部分的に満たされた容積Vuを計算する制御装置とか ら成ることを特徴とする装置。 2 更に容器内の圧力測定用の容器の変換装置を備え、圧力装置は、活性化によ ってレザバ装置と容器との間に測定ガスを移動させるポンプ装置を備え、制御装 置は、ポンプ装置を活性化し、容器の変換器装置から測定圧力を読み取る装置を 備えることを特徴とする請求項1記載のディバイス。 3 圧力装置は、 (i)容器とレザバ装置との間に配置され、(ii)圧力装 置が第1バルブ位置にあるときに開かれ、圧力装置が第2バルブ位置にあるとき に閉じられるバルブを備え、更に、 制御装置はバルブを開閉する装置を備えることを特徴とする請求項1記載のディ バイス。 4 圧力装置は、第1放出装置において、レザバ装置を周囲の圧力(大気)に解 放し、また第2放出位置において、周囲の圧力からレザバ装置を隔離する放出装 置を備え、更に 制御装置は第1または第2放出位置に放出装置を引き入れる装置を備えることを 特徴とする請求項3記載のディバイス。 5制御装置は、 圧力装置のバルブを開く段階と、 レザバ装置の圧力P1を読み取る段階と、圧力装置のバルブを閉じる段階と、 レザバ内の圧力を変化させる圧力装置を活性化させる段階と、 レザバ装置の圧力P2を読み取る段階と、圧力装置のバルブを開く段階と、 レザバ装置の圧力P3を読み取る段階と、解法 Vu=−((P3−P1)Vr )/(P3−P2)により計算する段階と、のサイクルを遂行する装置を備える ことを特徴とする請求項3記載のディバイス。 6 ラインを通る流体の流れを制御する装置であり、(i)強固な容器内のライ ンにある流体の領域を保持し、その強固な容器は流体の領域より大きな容積を有 し、また(ii)第1フロー位置において、流体を容器に流し込んだり、送出さ せたり、第2フロー位置において領域の外側のライン内にある圧力の作用からラ イン内の流体の領域を隔離する隔離装置と、流体で占有されていない容器の部分 である容積Vuを、領域内の流体と流体伝導している測定ガスにより測定する測 定装置と、 活性化により、隔離装置に測定ガスを供給する正圧装置と、 活性化により、隔離装置から測定ガスを除去する負圧装置と、 (i)第1または第2フロー位置に隔離装置を引き入れ、(ii)正圧装置およ び負圧装置を活性化させ、また(iii)測定ガス装置を制御する装置とから成 ることを特徴とする装置。 7 測定装置は、 測定ガスの周知の容積Vrを一定に保持するレザバ装置と、 第1バルブ位置において、隔離装置とレザバ装置との間に測定ガスを流させ、隔 離装置とレザバ装置との間を流れる測定ガスを抑制するバルブ装置と、活性化に よって、レザバ装置内の測定ガスの量を変更させることによってレザバ装置内の 圧力を変更させるための圧力装置と、 レザバ装置内の圧力を測定する変換器(トランスデューサ)装置とから成り、更 に、 制御装置は変換器装置からの圧力測定ガスを収納し、第1または第2バルブ位置 にバルブ装置を設け、圧力装置を活性化させ、測定圧力およびレザバ装置の容積 Vrに基づいてVuを計算する装置とから成ることを特徴とする請求項6記載の 装置。 8 隔離装置は流体を隔離装置に流入させる入力バルブと、流体を隔離装置から 流出させる出力バルブを備え、更に 制御装置は、 出力バルブを閉じる段階と、 入力バルブを開く段階と、 負圧装置を活性化および非活性化させる段階と、入力バルブを閉じる段階と、 流体で占用されていない部分の初期容積Vu1を定める測定を活性化する段階と 、 出力バルブを開く段階と、 正圧装置を活性化および非活性化させる段階と、出力バルブを閉じる段階と、 流体で占用されていない部分の最終容積Vu2を定める測定を活性化する段階と 、出力バルブが開かれた間に隔離装置に残された流体の量を定めるためにVu1 からVu2を減じる段階と、のサイクルを遂行させる装置を備えることを特徴と する請求項6記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/345,387 US4976162A (en) | 1987-09-03 | 1989-05-01 | Enhanced pressure measurement flow control system |
US345,387 | 1989-05-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05502096A true JPH05502096A (ja) | 1993-04-15 |
JP2952037B2 JP2952037B2 (ja) | 1999-09-20 |
Family
ID=23354846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2507536A Expired - Lifetime JP2952037B2 (ja) | 1989-05-01 | 1990-04-27 | 高圧流体測定制御装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4976162A (ja) |
EP (1) | EP0471000B1 (ja) |
JP (1) | JP2952037B2 (ja) |
KR (1) | KR0166337B1 (ja) |
AT (1) | ATE175270T1 (ja) |
CA (1) | CA2049337C (ja) |
DE (1) | DE69032869T2 (ja) |
DK (1) | DK0471000T3 (ja) |
WO (1) | WO1990013795A2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9039395B2 (en) | 1999-07-20 | 2015-05-26 | Deka Products Limited Partnership | System, method, and apparatus for utilizing a pumping cassette |
US9555179B2 (en) | 2007-02-27 | 2017-01-31 | Deka Products Limited Partnership | Hemodialysis systems and methods |
JP2020500304A (ja) * | 2016-11-01 | 2020-01-09 | サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 容積測定装置 |
JP2020514611A (ja) * | 2016-12-21 | 2020-05-21 | フレセニウス・メディカル・ケア・ドイチュラント・ゲーエムベーハー | 膜ポンプデバイスおよび膜ポンプデバイスと作動デバイスとを有する膜ポンプ |
Families Citing this family (214)
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US5575310A (en) * | 1986-03-04 | 1996-11-19 | Deka Products Limited Partnership | Flow control system with volume-measuring system using a resonatable mass |
US5364371A (en) * | 1986-03-04 | 1994-11-15 | Deka Products Limited Partnership | Intravenous fluid delivery device |
US5088515A (en) * | 1989-05-01 | 1992-02-18 | Kamen Dean L | Valve system with removable fluid interface |
US5195986A (en) * | 1986-03-04 | 1993-03-23 | Deka Products Limited Partnership | Integral intravenous fluid delivery device |
US5349852A (en) * | 1986-03-04 | 1994-09-27 | Deka Products Limited Partnership | Pump controller using acoustic spectral analysis |
US4983102A (en) * | 1988-10-14 | 1991-01-08 | Swain Danny C | Self-enclosed filter pumping system |
JPH06502789A (ja) * | 1990-11-19 | 1994-03-31 | デカ・プロダクツ・リミテッド・パートナーシップ | 一体型静脈注射液投与装置 |
DE69128795T2 (de) * | 1990-11-19 | 1998-08-27 | Deka Products Lp | Pumpensteuergerät mit akustischer sprektralanalyse |
US5560247A (en) * | 1992-09-16 | 1996-10-01 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust gas sampling device for outboard motor |
JP3113886B2 (ja) * | 1993-03-03 | 2000-12-04 | デカ、プロダクツ、リミテッド、パートナーシップ | 内蔵空気隔離および除去を備えた液体分配およびポンプカセットを使用する腹膜透析システム |
US5474683A (en) * | 1993-03-03 | 1995-12-12 | Deka Products Limited Partnership | Peritoneal dialysis systems and methods employing pneumatic pressure and temperature-corrected liquid volume measurements |
US5324422A (en) * | 1993-03-03 | 1994-06-28 | Baxter International Inc. | User interface for automated peritoneal dialysis systems |
US5431626A (en) * | 1993-03-03 | 1995-07-11 | Deka Products Limited Partnership | Liquid pumping mechanisms for peritoneal dialysis systems employing fluid pressure |
US5438510A (en) * | 1993-03-03 | 1995-08-01 | Deka Products Limited Partnership | User interface and monitoring functions for automated peritoneal dialysis systems |
US5350357A (en) * | 1993-03-03 | 1994-09-27 | Deka Products Limited Partnership | Peritoneal dialysis systems employing a liquid distribution and pumping cassette that emulates gravity flow |
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US5938634A (en) * | 1995-09-08 | 1999-08-17 | Baxter International Inc. | Peritoneal dialysis system with variable pressure drive |
FR2739446B1 (fr) * | 1995-09-28 | 1997-10-24 | Inst Francais Du Petrole | Methode pour mesurer avec une grande precision la variation de volume intervenant lors du melange de phases fluides, dans le but de determiner des caracteristiques physico-chimiques |
DE19546028C2 (de) * | 1995-12-09 | 2000-04-27 | Fresenius Ag | Bilanzierdisposable zum Bilanzieren von Flüssigkeiten für eine medizinische Behandlungsvorrichtung sowie eine medizinische Behandlungsvorrichtung mit einem Systemeinschub zur Aufnahme eines derartigen Bilanzierdisposables |
US6036296A (en) * | 1996-10-31 | 2000-03-14 | Hewlett-Packard Company | Fluid level detection apparatus and method for determining the volume of fluid in a container |
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DE19805236C2 (de) * | 1998-02-10 | 2000-02-24 | Dietrich Engmann | Verfahren und Vorrichtung zur Ermittlung des Volumens eines keramischen Probenkörpers |
US6041801A (en) * | 1998-07-01 | 2000-03-28 | Deka Products Limited Partnership | System and method for measuring when fluid has stopped flowing within a line |
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US6223130B1 (en) | 1998-11-16 | 2001-04-24 | Deka Products Limited Partnership | Apparatus and method for detection of a leak in a membrane of a fluid flow control system |
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US6416293B1 (en) * | 1999-07-20 | 2002-07-09 | Deka Products Limited Partnership | Pumping cartridge including a bypass valve and method for directing flow in a pumping cartridge |
US6604908B1 (en) * | 1999-07-20 | 2003-08-12 | Deka Products Limited Partnership | Methods and systems for pulsed delivery of fluids from a pump |
US6905479B1 (en) | 1999-07-20 | 2005-06-14 | Deka Products Limited Partnership | Pumping cartridge having an integrated filter and method for filtering a fluid with the cartridge |
US6382923B1 (en) | 1999-07-20 | 2002-05-07 | Deka Products Ltd. Partnership | Pump chamber having at least one spacer for inhibiting the pumping of a gas |
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US8722422B2 (en) | 1999-09-03 | 2014-05-13 | Therakos, Inc. | Uninterrupted flow pump apparatus and method |
US6497676B1 (en) | 2000-02-10 | 2002-12-24 | Baxter International | Method and apparatus for monitoring and controlling peritoneal dialysis therapy |
WO2001059308A1 (de) * | 2000-02-11 | 2001-08-16 | Hydac Technology Gmbh | Vorrichtung zum entfernen von fluid aus einem behälter |
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- 1990-04-27 JP JP2507536A patent/JP2952037B2/ja not_active Expired - Lifetime
- 1990-04-27 AT AT90907593T patent/ATE175270T1/de not_active IP Right Cessation
- 1990-04-27 WO PCT/US1990/002321 patent/WO1990013795A2/en active IP Right Grant
- 1990-04-27 KR KR1019910701491A patent/KR0166337B1/ko not_active IP Right Cessation
- 1990-04-27 EP EP90907593A patent/EP0471000B1/en not_active Expired - Lifetime
- 1990-04-27 DE DE69032869T patent/DE69032869T2/de not_active Expired - Lifetime
- 1990-04-27 DK DK90907593T patent/DK0471000T3/da active
- 1990-04-27 CA CA002049337A patent/CA2049337C/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9039395B2 (en) | 1999-07-20 | 2015-05-26 | Deka Products Limited Partnership | System, method, and apparatus for utilizing a pumping cassette |
US9488167B2 (en) | 1999-07-20 | 2016-11-08 | Deka Products Limited Partnership | System, method, and apparatus for utilizing a pumping cassette |
US9494151B2 (en) | 1999-07-20 | 2016-11-15 | Deka Products Limited Partnership | System, method, and apparatus for utilizing a pumping cassette |
US9494150B2 (en) | 1999-07-20 | 2016-11-15 | Deka Products Limited Partnership | Pump chamber configured to contain a residual fluid volume for inhibiting the pumping of a gas |
US9593678B2 (en) | 1999-07-20 | 2017-03-14 | Deka Products Limited Partnership | System, method, and apparatus for utilizing a pumping cassette |
US9555179B2 (en) | 2007-02-27 | 2017-01-31 | Deka Products Limited Partnership | Hemodialysis systems and methods |
JP2020500304A (ja) * | 2016-11-01 | 2020-01-09 | サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 容積測定装置 |
US11607490B2 (en) | 2016-11-01 | 2023-03-21 | Sanofi-Aventis Deutschland Gmbh | Volume measuring arrangement |
JP2020514611A (ja) * | 2016-12-21 | 2020-05-21 | フレセニウス・メディカル・ケア・ドイチュラント・ゲーエムベーハー | 膜ポンプデバイスおよび膜ポンプデバイスと作動デバイスとを有する膜ポンプ |
US11306709B2 (en) | 2016-12-21 | 2022-04-19 | Fresenius Medical Care Deutschland Gmbh | Diaphragm pump device and diaphragm pump having a diaphragm pump device and an actuation device |
Also Published As
Publication number | Publication date |
---|---|
EP0471000A1 (en) | 1992-02-19 |
CA2049337A1 (en) | 1990-11-02 |
CA2049337C (en) | 2000-08-29 |
ATE175270T1 (de) | 1999-01-15 |
DK0471000T3 (da) | 1999-08-30 |
DE69032869D1 (de) | 1999-02-11 |
KR0166337B1 (ko) | 1999-05-01 |
US4976162A (en) | 1990-12-11 |
JP2952037B2 (ja) | 1999-09-20 |
EP0471000B1 (en) | 1998-12-30 |
WO1990013795A2 (en) | 1990-11-15 |
WO1990013795A3 (en) | 1991-01-10 |
DE69032869T2 (de) | 1999-06-02 |
KR920701791A (ko) | 1992-08-12 |
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