DE69221135T2 - Tropfendetektor - Google Patents

Tropfendetektor

Info

Publication number
DE69221135T2
DE69221135T2 DE69221135T DE69221135T DE69221135T2 DE 69221135 T2 DE69221135 T2 DE 69221135T2 DE 69221135 T DE69221135 T DE 69221135T DE 69221135 T DE69221135 T DE 69221135T DE 69221135 T2 DE69221135 T2 DE 69221135T2
Authority
DE
Germany
Prior art keywords
light
drop
focal point
drip chamber
output signal
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
DE69221135T
Other languages
German (de)
English (en)
Other versions
DE69221135D1 (de
Inventor
Curtis Durrell Ferguson Mo 63135 Kinghorn
Randall Jeffrey Ballwin Mo 63021 Krohn
Clarence Logan Webster Groves Mo 63119 Walker
Michael John Rolla Mo 65401 Wilhelm
Denis Y. Des Peres Mo 63131 Yerlikaya
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.)
Covidien AG
Original Assignee
Sherwood Medical Co
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 Sherwood Medical Co filed Critical Sherwood Medical Co
Application granted granted Critical
Publication of DE69221135D1 publication Critical patent/DE69221135D1/de
Publication of DE69221135T2 publication Critical patent/DE69221135T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/10—Mirrors with curved faces
    • 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
    • A61M5/16886—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 for measuring fluid flow rate, i.e. flowmeters
    • A61M5/1689—Drip counters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors
    • 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)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Optics & Photonics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
DE69221135T 1991-04-01 1992-03-31 Tropfendetektor Expired - Lifetime DE69221135T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/678,639 US5256155A (en) 1991-04-01 1991-04-01 Drop detection method and apparatus
PCT/US1992/002435 WO1992017227A2 (en) 1991-04-01 1992-03-31 Drop detection method and apparatus

Publications (2)

Publication Number Publication Date
DE69221135D1 DE69221135D1 (de) 1997-09-04
DE69221135T2 true DE69221135T2 (de) 1997-11-27

Family

ID=24723654

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69221135T Expired - Lifetime DE69221135T2 (de) 1991-04-01 1992-03-31 Tropfendetektor
DE69231867T Expired - Lifetime DE69231867T2 (de) 1991-04-01 1992-03-31 Tropfendetektor
DE69232670T Expired - Lifetime DE69232670T2 (de) 1991-04-01 1992-03-31 Tropfendetektor und Verfahren

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69231867T Expired - Lifetime DE69231867T2 (de) 1991-04-01 1992-03-31 Tropfendetektor
DE69232670T Expired - Lifetime DE69232670T2 (de) 1991-04-01 1992-03-31 Tropfendetektor und Verfahren

Country Status (10)

Country Link
US (2) US5256155A (enExample)
EP (3) EP0770403B1 (enExample)
AU (2) AU668089B2 (enExample)
CA (1) CA2102424C (enExample)
DE (3) DE69221135T2 (enExample)
IE (1) IE79030B1 (enExample)
IL (1) IL101413A (enExample)
MX (1) MX9201484A (enExample)
TW (1) TW207955B (enExample)
WO (1) WO1992017227A2 (enExample)

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US5738663A (en) 1995-12-15 1998-04-14 Icu Medical, Inc. Medical valve with fluid escape space
US5843045A (en) * 1997-01-17 1998-12-01 Dupont; Frank Stuart Infusion illuminator
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US5957898A (en) 1997-05-20 1999-09-28 Baxter International Inc. Needleless connector
US6261262B1 (en) 1997-06-12 2001-07-17 Abbott Laboratories Pump with anti-free flow feature
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US6585752B2 (en) 1998-06-23 2003-07-01 Innercool Therapies, Inc. Fever regulation method and apparatus
US6719779B2 (en) 2000-11-07 2004-04-13 Innercool Therapies, Inc. Circulation set for temperature-controlled catheter and method of using the same
US6383210B1 (en) 2000-06-02 2002-05-07 Innercool Therapies, Inc. Method for determining the effective thermal mass of a body or organ using cooling catheter
US6384402B1 (en) * 1998-04-29 2002-05-07 Automated Merchandising Systems Optical vend-sensing system for control of vending machine
DE19859811C2 (de) * 1998-12-23 2001-05-10 Hilekes Guido Kontrastmittelinjektionssystem
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US20020195105A1 (en) * 2000-01-13 2002-12-26 Brent Blue Method and apparatus for providing and controlling oxygen supply
US6695817B1 (en) 2000-07-11 2004-02-24 Icu Medical, Inc. Medical valve with positive flow characteristics
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US8548625B2 (en) * 2001-08-23 2013-10-01 Crane Merchandising Systems, Inc. Optical vend sensing system for product delivery detection
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US7927304B2 (en) 2006-03-02 2011-04-19 Tyco Healthcare Group Lp Enteral feeding pump and feeding set therefor
US7763005B2 (en) 2006-03-02 2010-07-27 Covidien Ag Method for using a pump set having secure loading features
US7758551B2 (en) * 2006-03-02 2010-07-20 Covidien Ag Pump set with secure loading features
US7722573B2 (en) 2006-03-02 2010-05-25 Covidien Ag Pumping apparatus with secure loading features
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US8221363B2 (en) 2006-10-18 2012-07-17 Baxter Healthcare S.A. Luer activated device with valve element under tension
US7981090B2 (en) 2006-10-18 2011-07-19 Baxter International Inc. Luer activated device
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US9026370B2 (en) 2007-12-18 2015-05-05 Hospira, Inc. User interface improvements for medical devices
US8795225B2 (en) * 2008-09-29 2014-08-05 Covidien Lp Fluid detection in an enteral feeding set
US8454579B2 (en) 2009-03-25 2013-06-04 Icu Medical, Inc. Medical connector with automatic valves and volume regulator
CA3068441C (en) 2009-07-29 2024-01-09 Icu Medical, Inc. Fluid transfer devices and methods of use
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US8758306B2 (en) 2010-05-17 2014-06-24 Icu Medical, Inc. Medical connectors and methods of use
JP5872550B2 (ja) 2010-06-17 2016-03-01 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 血管に対する管の遠位端の位置をモニタリングするシステム
CN102218178B (zh) * 2011-06-14 2012-09-05 陈清美 一种方便观察输液液滴的观察器
US9240002B2 (en) 2011-08-19 2016-01-19 Hospira, Inc. Systems and methods for a graphical interface including a graphical representation of medical data
CN103842007B (zh) * 2011-09-30 2016-05-25 赫士睿股份有限公司 静脉流速控制器
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EP2793978B1 (en) 2011-12-22 2023-03-08 ICU Medical, Inc. Fluid transfer devices and methods of use
WO2013142997A1 (en) 2012-03-29 2013-10-03 Morbi Aliasgar Control system and device for patient assist
US9995611B2 (en) 2012-03-30 2018-06-12 Icu Medical, Inc. Air detection system and method for detecting air in a pump of an infusion system
US10463788B2 (en) 2012-07-31 2019-11-05 Icu Medical, Inc. Patient care system for critical medications
US9199036B2 (en) 2013-02-25 2015-12-01 Shift Labs, Inc. Device, method, and system for monitoring the delivery of fluids through a drip chamber
US11464905B2 (en) 2013-02-25 2022-10-11 Shift Labs, Inc. Monitoring device including an emitter emitting electromagnetic radiation and a detector positioned to receive the radiation to determine one or more rolling average flow rates
JP6089169B2 (ja) * 2013-04-15 2017-03-08 株式会社ジェイ・エム・エス 輸液ポンプ
CA2913421C (en) 2013-05-24 2022-02-15 Hospira, Inc. Multi-sensor infusion system for detecting air or an occlusion in the infusion system
WO2014194065A1 (en) 2013-05-29 2014-12-04 Hospira, Inc. Infusion system and method of use which prevents over-saturation of an analog-to-digital converter
EP3003441B1 (en) 2013-05-29 2020-12-02 ICU Medical, Inc. Infusion system which utilizes one or more sensors and additional information to make an air determination regarding the infusion system
CN104368062A (zh) * 2013-08-13 2015-02-25 孝感亚华电子科技有限公司 槽形静脉注射用光学液位传感器
US20150133861A1 (en) 2013-11-11 2015-05-14 Kevin P. McLennan Thermal management system and method for medical devices
CA2931195C (en) 2013-11-25 2019-09-24 Icu Medical, Inc. Methods and systems for filling iv bags with therapeutic fluid
ES2941891T3 (es) 2013-12-11 2023-05-26 Icu Medical Inc Válvula de retención
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WO2015131108A2 (en) 2014-02-28 2015-09-03 Hospira, Inc. Infusion system and method which utilizes dual wavelength optical air-in-line detection
CA2947045C (en) 2014-05-29 2022-10-18 Hospira, Inc. Infusion system and pump with configurable closed loop delivery rate catch-up
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
USD793551S1 (en) 2014-12-03 2017-08-01 Icu Medical, Inc. Fluid manifold
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US11344668B2 (en) 2014-12-19 2022-05-31 Icu Medical, Inc. Infusion system with concurrent TPN/insulin infusion
US10850024B2 (en) 2015-03-02 2020-12-01 Icu Medical, Inc. Infusion system, device, and method having advanced infusion features
JPWO2016147519A1 (ja) * 2015-03-16 2017-12-28 テルモ株式会社 点滴検出装置、及びこれを利用した輸液ポンプ
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ES2912378T3 (es) 2016-05-13 2022-05-25 Icu Medical Inc Sistema de bomba de infusión con purga automática de línea común
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US11590057B2 (en) 2020-04-03 2023-02-28 Icu Medical, Inc. Systems, methods, and components for transferring medical fluids
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CN111821541B (zh) * 2020-08-06 2024-12-20 东莞市人民医院 输液速度检测仪
US11135360B1 (en) 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush
USD1091564S1 (en) 2021-10-13 2025-09-02 Icu Medical, Inc. Display screen or portion thereof with graphical user interface for a medical device
USD1052728S1 (en) 2021-11-12 2024-11-26 Icu Medical, Inc. Medical fluid infusion pump
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WO2024200213A1 (de) * 2023-03-24 2024-10-03 droptical GmbH Vorrichtung zur erfassung mindestens eines tropfens

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Also Published As

Publication number Publication date
US5346466A (en) 1994-09-13
IE79030B1 (en) 1998-04-08
IL101413A (en) 1995-05-26
IL101413A0 (en) 1992-11-15
US5256155A (en) 1993-10-26
EP0770403B1 (en) 2001-06-06
EP0768092A3 (en) 1997-12-03
AU5618196A (en) 1996-08-29
TW207955B (enExample) 1993-06-21
MX9201484A (es) 1993-02-01
EP0770403A3 (en) 1997-12-03
EP0768092B1 (en) 2002-07-03
DE69232670T2 (de) 2003-02-27
WO1992017227A2 (en) 1992-10-15
IE921024A1 (en) 1992-10-07
DE69231867T2 (de) 2002-04-18
EP0768092A2 (en) 1997-04-16
EP0578764A1 (en) 1994-01-19
AU668089B2 (en) 1996-04-26
AU1767792A (en) 1992-11-02
DE69231867D1 (de) 2001-07-12
DE69221135D1 (de) 1997-09-04
DE69232670D1 (de) 2002-08-08
EP0578764B1 (en) 1997-07-23
WO1992017227A3 (en) 1992-11-12
CA2102424C (en) 2003-05-20
CA2102424A1 (en) 1992-10-02
EP0770403A2 (en) 1997-05-02

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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: SHERWOOD SERVICES AG, SCHAFFHAUSEN, CH

8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8327 Change in the person/name/address of the patent owner

Owner name: COVIDIEN AG, NEUHAUSEN AM RHEINFALL, CH