ATE484733T1 - Thermischer durchflussmesser mit einem umgekehrten substrat - Google Patents

Thermischer durchflussmesser mit einem umgekehrten substrat

Info

Publication number
ATE484733T1
ATE484733T1 AT05254050T AT05254050T ATE484733T1 AT E484733 T1 ATE484733 T1 AT E484733T1 AT 05254050 T AT05254050 T AT 05254050T AT 05254050 T AT05254050 T AT 05254050T AT E484733 T1 ATE484733 T1 AT E484733T1
Authority
AT
Austria
Prior art keywords
substrate
thermal flow
flow meter
reversed substrate
conduit
Prior art date
Application number
AT05254050T
Other languages
English (en)
Inventor
Frank Zumkehr
Juergen Burger
Toralf Bork
Alec Ginggen
Original Assignee
Codman & Shurtleff
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 Codman & Shurtleff filed Critical Codman & Shurtleff
Application granted granted Critical
Publication of ATE484733T1 publication Critical patent/ATE484733T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Fluid Mechanics (AREA)
  • Medical Informatics (AREA)
  • Hematology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Volume Flow (AREA)
  • Finger-Pressure Massage (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • External Artificial Organs (AREA)
AT05254050T 2004-06-30 2005-06-29 Thermischer durchflussmesser mit einem umgekehrten substrat ATE484733T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/881,425 US7069779B2 (en) 2004-06-30 2004-06-30 Thermal flow sensor having an inverted substrate

Publications (1)

Publication Number Publication Date
ATE484733T1 true ATE484733T1 (de) 2010-10-15

Family

ID=35064653

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05254050T ATE484733T1 (de) 2004-06-30 2005-06-29 Thermischer durchflussmesser mit einem umgekehrten substrat

Country Status (6)

Country Link
US (1) US7069779B2 (de)
EP (1) EP1612522B1 (de)
JP (1) JP5242002B2 (de)
AT (1) ATE484733T1 (de)
DE (1) DE602005024079D1 (de)
ES (1) ES2353216T3 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9694166B2 (en) 2002-03-26 2017-07-04 Medtronics Ps Medical, Inc. Method of draining cerebrospinal fluid
US20030216710A1 (en) * 2002-03-26 2003-11-20 Hurt Robert F. Catheter
JP5121159B2 (ja) 2006-04-18 2013-01-16 ヤマハ発動機株式会社 自動変速制御装置および車両
US20080013291A1 (en) * 2006-07-17 2008-01-17 Toralf Bork Thermal flow sensor having streamlined packaging
US7603898B2 (en) * 2007-12-19 2009-10-20 Honeywell International Inc. MEMS structure for flow sensor
US20090204019A1 (en) 2008-02-13 2009-08-13 Alec Ginggen Combined Pressure and Flow Sensor Integrated in a Shunt System
WO2011075568A1 (en) * 2009-12-18 2011-06-23 Waters Technologies Corporation Thermal-based flow sensing apparatus and method for high-performance liquid chromatography
JP5481454B2 (ja) * 2011-09-22 2014-04-23 株式会社東芝 流量センサ、マスフローコントローラ、および流量センサの製造方法
WO2014145858A2 (en) 2013-03-15 2014-09-18 Bitol Designs, Llc Occlusion resistant catheter and method of use
US9243943B2 (en) * 2013-04-10 2016-01-26 International Business Machines Corporation Air-flow sensor for adapter slots in a data processing system
JP6563211B2 (ja) * 2015-02-23 2019-08-21 サーパス工業株式会社 熱式流量計およびその製造方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131318B1 (de) * 1983-05-18 1991-12-27 Bronkhorst High-Tech B.V. Durchflussmessgerät
JP3324855B2 (ja) * 1993-12-04 2002-09-17 株式会社エステック 質量流量センサ
DE4439222C2 (de) * 1994-11-03 1998-05-28 Bosch Gmbh Robert Massenflußsensor mit Druckkompensation
US5623097A (en) * 1994-11-24 1997-04-22 Ricoh Company, Ltd. Thermal-type flow sensor
JP3543820B2 (ja) * 1995-12-13 2004-07-21 松下電器産業株式会社 超音波流量計
JP3659394B2 (ja) * 1998-06-30 2005-06-15 株式会社日本自動車部品総合研究所 液密計測装置
JP3857526B2 (ja) * 1999-03-31 2006-12-13 シーメンス アクチエンゲゼルシヤフト 無支持の微細構造体または肉薄の扁平部分またはダイアフラムを製造する方法および該方法により製造された無支持の微細構造体の使用法
US6526823B2 (en) * 1999-11-30 2003-03-04 California Institute Of Technology Microelectromechanical system sensor assembly
JP2001264139A (ja) * 2000-03-22 2001-09-26 Seiko Instruments Inc 容積式流量計および流量検出用プローブ
JP2001349759A (ja) * 2000-06-08 2001-12-21 Mitsubishi Electric Corp 熱式流量センサ
JP2002062306A (ja) * 2000-08-23 2002-02-28 Tokyo Gas Co Ltd 流速検出装置
US6647778B2 (en) * 2001-06-20 2003-11-18 Integrated Sensing Systems Integrated microtube sensing device
US6527835B1 (en) * 2001-12-21 2003-03-04 Sandia Corporation Chemical preconcentrator with integral thermal flow sensor
AU2003211060A1 (en) * 2002-02-15 2003-09-09 Eunoe, Inc. Systems and methods for flow detection and measurement in csf shunts
JP2003285298A (ja) * 2002-03-26 2003-10-07 Seiko Instruments Inc マイクロ流路デバイスおよびマイクロ流路デバイスの作製法
JP3683868B2 (ja) * 2002-05-10 2005-08-17 株式会社山武 熱式フローセンサ
EP1365216B1 (de) * 2002-05-10 2018-01-17 Azbil Corporation Durchflusssensor und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
US20060000270A1 (en) 2006-01-05
ES2353216T3 (es) 2011-02-28
JP5242002B2 (ja) 2013-07-24
JP2006017721A (ja) 2006-01-19
DE602005024079D1 (de) 2010-11-25
EP1612522B1 (de) 2010-10-13
EP1612522A3 (de) 2006-07-19
EP1612522A2 (de) 2006-01-04
US7069779B2 (en) 2006-07-04

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