JPH10511770A - 管路、特に蠕動ポンプ内の液体の流れを制御するための装置 - Google Patents
管路、特に蠕動ポンプ内の液体の流れを制御するための装置Info
- Publication number
- JPH10511770A JPH10511770A JP8520789A JP52078996A JPH10511770A JP H10511770 A JPH10511770 A JP H10511770A JP 8520789 A JP8520789 A JP 8520789A JP 52078996 A JP52078996 A JP 52078996A JP H10511770 A JPH10511770 A JP H10511770A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- support structure
- conduit
- khz
- support
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
-
- 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
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0272—Electro-active or magneto-active materials
- A61M2205/0294—Piezoelectric materials
-
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14232—Roller pumps
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/365—Air detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/024—Mixtures
- G01N2291/02433—Gases in liquids, e.g. bubbles, foams
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/024—Mixtures
- G01N2291/02441—Liquids in porous solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/102—Number of transducers one emitter, one receiver
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Acoustics & Sound (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.管路内(10、52)の液体の流れを監視するための監視装置において、 前記装置が、 支持構造体(12、14、50)と、 第1の圧電素子(16、54)であって、その振動軸が検知領域内の前記管路 に対して概ね垂直となっており、前記管路の第1の側部に配設されるように前記 支持構造体に取り付けられた第1の圧電素子と、 超音波を送信するために前記第1の圧電素子に軸方向モードで所定の周波数F にて励起するための手段(20、22、28、58、64)と、 第2の圧電素子(18、56)であって、その中心軸線が前記第1の圧電素子 の中心軸線と一致しており、前記管路の第2の側部に配設されるように前記支持 構造体に取り付けられ、以て前記管路を通過した後に前記超音波を受信する該第 2の圧電素子と、 前記第2の圧電素子の軸方向モードの振動の振幅を代表する電気信号をピック アップする手段(24、26、60、68)と、 前記電気信号を処理して、そこから前記管路内を前記検知領域を通過する気泡 が存在する場合にその気泡の存在を演繹するための処理手段(30)とを具備す ることを特徴とする監視装置。 2.前記2つの圧電素子が同一であることを特徴とする請求項1に記載の監視 装置。 3.前記管路の軸線に垂直な平面内の前記圧電素子の送信/受信面の寸法が、 前記管路の内径の高さ以下となっていることを特徴とする請求項1または2に記 載の監視装置。 4.前記寸法が前記管路の内径の高さと等しくなっていることを 特徴とする請求項3に記載の監視装置。 5.前記支持構造体(50)が蠕動ポンプの支持構造体であり、前記管路(5 2)が前記ポンプの変形可能な管路の一部であることを特徴とする請求項1から 4の何れか1項に記載の監視装置。 6.前記第2の圧電素子(56)が、前記支持構造体に対して前記圧電素子の 中心軸線に沿う方向に移動可能な移動支持体(60、72、78)に固定されて おり、前記第1の圧電素子(54)が前記支持構造体に対して固定されており、 前記監視装置が、更に、前記支持構造体と前記移動支持構造体の間に配設され 、前記第2の圧電素子を前記管路の壁に付勢する弾性手段(76)と、 前記管路に沿って流通する液体の過剰圧力に基づく前記管路の変形による前記 移動支持体の前記支持構造体に対する変位を検知するための変位検知手段(82 )とを具備することを特徴とする請求項5に記載の装置。 7.前記変位検知手段が前記支持構造体(50、84)と前記移動支持体の一 端(78)の間に配設された圧力センサ(82)を具備することを特徴とする請 求項6に記載の装置。 8.前記圧力センサが抵抗センサであることを特徴とする請求項7に記載の装 置。 9.前記第2の圧電素子(56)が、前記支持構造体に対して前記圧電素子の 中心軸線(XX′)に沿う方向に移動可能な移動支持体(100)に固定さてお り、前記第1の圧電素子(54)が前記支持構造体に対して固定されており、 前記監視装置が、更に、撓む方式の歪みゲージ(112)であって、その一端 (110)が前記移動支持体(100)に固定され、その他端(114)が前記 支持構造体(108)に固定され以て、 前記移動支持体(100)を前記ポンプの管路(52)に付勢し、前記支持体の 変位を検知して前記管路内の過剰圧力を検知する歪みゲージを含むことを特徴と する請求項5に記載の装置。 10.前記移動支持体(100)および前記第2の圧電素子が前記支持構造体 (108)のハウジング(102)に取り付けられ、前記ハウジング内にゲルが 充填されていることを特徴とする請求項9に記載の装置。 11.前記圧電素子がセラミックから成り、前記所定の周波数が100kHz から1000kHzの範囲内にあることを特徴とする請求項1から10の何れか 1項に記載の装置。 12.前記周波数が概ね300kHzであることを特徴とする請求項11に記 載の装置。 13.前記圧電素子が層状の複合圧電素子から成り、前記所定の周波数が20 0kHzから1500kHzの範囲内にあることを特徴とする請求項1から10 の何れか1項に記載の装置。 14.前記周波数が概ね900kHzであることを特徴とする請求項13に記 載の装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR95/00053 | 1995-01-05 | ||
| FR9500053A FR2729224A1 (fr) | 1995-01-05 | 1995-01-05 | Dispositif de controle de l'ecoulement d'un liquide dans une conduite tubulaire et notamment dans une pompe peristaltique |
| PCT/FR1996/000019 WO1996021151A1 (fr) | 1995-01-05 | 1996-01-05 | Dispositif de controle de l'ecoulement d'un liquide dans une conduite tubulaire et notamment dans une pompe peristaltique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10511770A true JPH10511770A (ja) | 1998-11-10 |
| JP3749260B2 JP3749260B2 (ja) | 2006-02-22 |
Family
ID=9474870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52078996A Expired - Fee Related JP3749260B2 (ja) | 1995-01-05 | 1996-01-05 | 管路、特に蠕動ポンプ内の液体の流れを制御するための装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6085574A (ja) |
| EP (1) | EP0801742B1 (ja) |
| JP (1) | JP3749260B2 (ja) |
| AU (1) | AU4490896A (ja) |
| DE (1) | DE69613345T2 (ja) |
| FR (1) | FR2729224A1 (ja) |
| WO (1) | WO1996021151A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011501804A (ja) * | 2007-09-21 | 2011-01-13 | フレゼニウス メディカル ケア ホールディングス インコーポレーテッド | 非接触多機能センサシステム |
| JP2012513285A (ja) * | 2008-12-22 | 2012-06-14 | カリディアンビーシーティー、インコーポレーテッド | 気泡検出器を備えた血液処理装置 |
| JP2019090620A (ja) * | 2017-11-10 | 2019-06-13 | マルヤス工業株式会社 | 気泡検出装置及び気泡検出方法 |
| JP2022161051A (ja) * | 2021-04-08 | 2022-10-21 | パナソニックIpマネジメント株式会社 | 異常検知装置 |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9524949D0 (en) * | 1995-12-06 | 1996-02-07 | Kodak Ltd | Bubble detector |
| FR2748310A1 (fr) | 1996-05-03 | 1997-11-07 | Debiotech Sa | Dispositif d'obturation par pincement d'un tube souple |
| US6722854B2 (en) * | 2001-01-24 | 2004-04-20 | Sundyne Corporation | Canned pump with ultrasonic bubble detector |
| US6731216B2 (en) * | 2002-05-20 | 2004-05-04 | B. Braun Medical, Inc. | Proper tubing installation testing method and apparatus for a peristaltic pump |
| EP1617888B1 (en) | 2003-04-23 | 2019-06-12 | Valeritas, Inc. | Hydraulically actuated pump for long duration medicament administration |
| WO2006014425A1 (en) | 2004-07-02 | 2006-02-09 | Biovalve Technologies, Inc. | Methods and devices for delivering glp-1 and uses thereof |
| DE102006012993A1 (de) * | 2006-03-22 | 2007-09-27 | Mib Gmbh Messtechnik Und Industrieberatung | Leerrohrerkennung |
| KR101361376B1 (ko) | 2006-03-30 | 2014-02-10 | 발레리타스 인코포레이티드 | 복합-카트리지 유체 전달 장치 |
| US8631683B2 (en) * | 2007-02-06 | 2014-01-21 | Fresenius Medical Care Holdings, Inc. | Dialysis systems including non-invasive multi-function sensor systems |
| US7934912B2 (en) | 2007-09-27 | 2011-05-03 | Curlin Medical Inc | Peristaltic pump assembly with cassette and mounting pin arrangement |
| US8062008B2 (en) | 2007-09-27 | 2011-11-22 | Curlin Medical Inc. | Peristaltic pump and removable cassette therefor |
| US8083503B2 (en) | 2007-09-27 | 2011-12-27 | Curlin Medical Inc. | Peristaltic pump assembly and regulator therefor |
| GB2471908B (en) * | 2009-07-17 | 2011-11-16 | Hmd Seal Less Pumps Ltd | Non-intrusive vapour detector for magnetic drive pump |
| GB0920928D0 (en) | 2009-11-30 | 2010-01-13 | Morgan Electro Ceramics Ltd | Sensors for detecting gas in, and pressure of, a liquid |
| WO2011075709A1 (en) * | 2009-12-18 | 2011-06-23 | K&Y Corporation | Circulatory pressure monitoring using infusion pump systems |
| US20110152829A1 (en) * | 2009-12-18 | 2011-06-23 | K&Y Corporation | Patient Fluid Management System |
| WO2011075706A1 (en) | 2009-12-18 | 2011-06-23 | K&Y Corporation | Infusion pump |
| US9333286B2 (en) | 2011-05-12 | 2016-05-10 | Fresenius Medical Care Holdings, Inc. | Medical tubing installation detection |
| US8836519B2 (en) | 2011-05-12 | 2014-09-16 | Fresenius Medical Care Holdings, Inc. | Determining the absence or presence of fluid in a dialysis system |
| US9649436B2 (en) | 2011-09-21 | 2017-05-16 | Bayer Healthcare Llc | Assembly method for a fluid pump device for a continuous multi-fluid delivery system |
| WO2014070781A2 (en) | 2012-10-29 | 2014-05-08 | Hospira, Inc. | Fluid flow passage to improve air-in-line detection |
| US20150133861A1 (en) | 2013-11-11 | 2015-05-14 | Kevin P. McLennan | Thermal management system and method for medical devices |
| US10143795B2 (en) | 2014-08-18 | 2018-12-04 | Icu Medical, Inc. | Intravenous pole integrated power, control, and communication system and method for an infusion pump |
| ES3030489T3 (en) | 2015-01-09 | 2025-06-30 | Bayer Healthcare Llc | Multiple fluid delivery system with multi-use disposable set and features thereof |
| WO2016189419A1 (en) | 2015-05-26 | 2016-12-01 | Hospira, Nc. | Disposable infusion fluid delivery device for programmable large volume drug delivery |
| US10814062B2 (en) | 2017-08-31 | 2020-10-27 | Becton, Dickinson And Company | Reservoir with low volume sensor |
| USD939079S1 (en) | 2019-08-22 | 2021-12-21 | Icu Medical, Inc. | Infusion pump |
| USD1052728S1 (en) | 2021-11-12 | 2024-11-26 | Icu Medical, Inc. | Medical fluid infusion pump |
| US20250347658A1 (en) * | 2024-05-08 | 2025-11-13 | Rtx Corporation | Resonance inspection system and method for using same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418565A (en) * | 1980-12-03 | 1983-12-06 | Baxter Travenol Laboratories, Inc. | Ultrasonic bubble detector |
| US4487601A (en) * | 1983-06-20 | 1984-12-11 | Extracorporeal Medical Specialties, Inc. | Bubble detector circuit with variable reference level |
| IT8453987U1 (it) * | 1984-10-31 | 1986-05-01 | Hospal Dasco Spa | Dispositivo rivelatore della presenza di fluido in corrispondenza di un prefissato livello di un contenitore di liquido |
| DE3530747A1 (de) * | 1985-08-28 | 1987-03-05 | Stoeckert Instr Gmbh | Ultraschallsensor |
| US4821558A (en) * | 1987-05-01 | 1989-04-18 | Abbott Laboratories | Ultrasonic detector |
| US5064412A (en) * | 1989-09-05 | 1991-11-12 | Pacesetter Infusion, Ltd. | Ultrasonic air-in-line detector for a medication infusion system |
| DE4013402C2 (de) * | 1990-04-26 | 1994-03-24 | Infurex Ag Cham | Verfahren und Vorrichtung zur Erkennung von Gasblasen in einer mit Flüssigkeit gefüllten Leitung, insbesondere einer flexiblen, schlauchförmigen Leitung oder einem Container |
| US5123275A (en) * | 1990-12-07 | 1992-06-23 | Ivac Corporation | Air in-line sensor system |
| US5394732A (en) * | 1993-09-10 | 1995-03-07 | Cobe Laboratories, Inc. | Method and apparatus for ultrasonic detection of air bubbles |
-
1995
- 1995-01-05 FR FR9500053A patent/FR2729224A1/fr active Pending
-
1996
- 1996-01-05 US US08/875,407 patent/US6085574A/en not_active Expired - Lifetime
- 1996-01-05 DE DE69613345T patent/DE69613345T2/de not_active Expired - Lifetime
- 1996-01-05 AU AU44908/96A patent/AU4490896A/en not_active Abandoned
- 1996-01-05 JP JP52078996A patent/JP3749260B2/ja not_active Expired - Fee Related
- 1996-01-05 EP EP96901022A patent/EP0801742B1/fr not_active Expired - Lifetime
- 1996-01-05 WO PCT/FR1996/000019 patent/WO1996021151A1/fr not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011501804A (ja) * | 2007-09-21 | 2011-01-13 | フレゼニウス メディカル ケア ホールディングス インコーポレーテッド | 非接触多機能センサシステム |
| JP2012513285A (ja) * | 2008-12-22 | 2012-06-14 | カリディアンビーシーティー、インコーポレーテッド | 気泡検出器を備えた血液処理装置 |
| JP2014061425A (ja) * | 2008-12-22 | 2014-04-10 | Termo Bct Inc | 気泡検出器を備えた血液処理装置 |
| JP2019090620A (ja) * | 2017-11-10 | 2019-06-13 | マルヤス工業株式会社 | 気泡検出装置及び気泡検出方法 |
| JP2022161051A (ja) * | 2021-04-08 | 2022-10-21 | パナソニックIpマネジメント株式会社 | 異常検知装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2729224A1 (fr) | 1996-07-12 |
| JP3749260B2 (ja) | 2006-02-22 |
| AU4490896A (en) | 1996-07-24 |
| DE69613345T2 (de) | 2002-05-02 |
| EP0801742A1 (fr) | 1997-10-22 |
| WO1996021151A1 (fr) | 1996-07-11 |
| US6085574A (en) | 2000-07-11 |
| DE69613345D1 (de) | 2001-07-19 |
| EP0801742B1 (fr) | 2001-06-13 |
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