FI110065B - Anordning i ett återkopplat kontrollsystem - Google Patents
Anordning i ett återkopplat kontrollsystem Download PDFInfo
- Publication number
- FI110065B FI110065B FI982653A FI982653A FI110065B FI 110065 B FI110065 B FI 110065B FI 982653 A FI982653 A FI 982653A FI 982653 A FI982653 A FI 982653A FI 110065 B FI110065 B FI 110065B
- Authority
- FI
- Finland
- Prior art keywords
- reference signal
- gas
- measuring
- arrangement according
- value
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
- G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
- G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
-
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/104—Preparation of respiratory gases or vapours specially adapted for anaesthetics
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
-
- 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
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/43—Composition of exhalation
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/43—Composition of exhalation
- A61M2230/437—Composition of exhalation the anaesthetic agent concentration
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Emergency Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Massaging Devices (AREA)
- Electrotherapy Devices (AREA)
- Selective Calling Equipment (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Paper (AREA)
Claims (9)
1. Arrangemang i samband med ett aterkopplat reglersystem som är kopplat till en anestesimaskin, vilket omfattar en reglerbar apparat (10), en mätande apparat (7), en reglerande apparat (9) och ett användargränssnitt, 5 med vars hjälp den reglerande apparaten (9) kan styras via börvärden, varvid den mätande apparaten (7) är anordnad att i en mätpunkt mätä ett mätvärde (8), som är i ett beroendeförhallande tili den reglerbara apparatens funktion, och den reglerande apparaten (9) är anordnad att styra den reglerbara apparaten (10) pä basis av mät- och börvärdena, kännetecknat av att arran-10 gemanget omfattar don (15a, 15b, 15c), vilka är anordnade att stundtals mata en referenssignal (16) tili den mätande apparaten (7), och att den reglerande apparaten (9) är anordnad att jämföra ett mätvärde (18), vilket erhällits pä basis av referenssignalen fran den mätande apparaten (7) med det verkliga jäm-förelsevärdet (17) pä referenssignalen, och är anordnad att utföra en säker-15 hetsfunktion, när mätvärdet (18) som erhällits pä basis av referenssignalen och det verkliga jämförelsevärdet (17) väsentligen avviker frän varandra.
2. Arrangemang enligt patentkrav 1, kännetecknat av att sä-kerhetsfunktionen gär ut pä att avbryta styrningen av den reglerbara apparaten.
3. Arrangemang enligt patentkrav 1, kännetecknat av att sä- kerhetsfunktionen gär ut pä att öppna en säkerhetsventil.
4. Arrangemang enligt patentkrav 1, k ä n n e t e c k n a t av att sä-kerhetsfunktionen gär ut pä att ge en alarmsignal.
5. Arrangemang enligt patentkrav 1, kännetecknat av att den 25 reglerbara apparaten (10) omfattar en gasblandare och/eller ventilator som skall användas vid värd av en patient, att den mätande apparaten (7) är en gasmonitor och att den reglerande apparaten (9) är en separat reglerare.
6. Arrangemang enligt patentkrav 1, kännetecknat av att referenssignalen (16) är ett gassampel.
7. Arrangemang enligt patentkrav 6, kännetecknat av att donen som matar referenssignalen (16) omfattar en väljarventil ·.! (15a), vilka är anordnade att stundtals byta det tili gasmonitorn strömmande andningsgassamplet (8) tili gassamplet som används som referenssignal (16).
8. Arrangemang enligt patentkrav 6 eller 7, kännetecknat av ; ’, 35 att gassamplet är ett friskgassampel.
9. Arrangemang enligt patentkrav 7, kännetecknat av att ·’: backup-ventiler (15b, 15c) är anordnade att övervaka väljarventilens (15a) funktion.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI982653A FI110065B (sv) | 1998-12-08 | 1998-12-08 | Anordning i ett återkopplat kontrollsystem |
PCT/FI1999/001007 WO2000033904A1 (en) | 1998-12-08 | 1999-12-03 | Arrangement in connection with feedback control system |
AU16616/00A AU1661600A (en) | 1998-12-08 | 1999-12-03 | Arrangement in connection with feedback control system |
AT99959448T ATE308357T1 (de) | 1998-12-08 | 1999-12-03 | Arrangement in verbindung mit einem rückkopplungssteuerungssystem fuer anaesthesie |
US09/857,682 US7290544B1 (en) | 1998-12-08 | 1999-12-03 | Arrangement in connection with feedback control system |
DE69928122T DE69928122T2 (de) | 1998-12-08 | 1999-12-03 | Rückkopplungssteuerungssystem für Anästhesie |
EP99959448A EP1140264B1 (en) | 1998-12-08 | 1999-12-03 | Arrangement in connection with an anaestesia feedback control system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI982653A FI110065B (sv) | 1998-12-08 | 1998-12-08 | Anordning i ett återkopplat kontrollsystem |
FI982653 | 1998-12-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI982653A0 FI982653A0 (sv) | 1998-12-08 |
FI982653A FI982653A (sv) | 2000-06-09 |
FI110065B true FI110065B (sv) | 2002-11-29 |
Family
ID=8553067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI982653A FI110065B (sv) | 1998-12-08 | 1998-12-08 | Anordning i ett återkopplat kontrollsystem |
Country Status (7)
Country | Link |
---|---|
US (1) | US7290544B1 (sv) |
EP (1) | EP1140264B1 (sv) |
AT (1) | ATE308357T1 (sv) |
AU (1) | AU1661600A (sv) |
DE (1) | DE69928122T2 (sv) |
FI (1) | FI110065B (sv) |
WO (1) | WO2000033904A1 (sv) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE428462T1 (de) | 2002-02-25 | 2009-05-15 | Scott Lab Inc | Mit einem pannensicheren modul integriertes sedierung- und analgesiesystem |
US7523752B2 (en) | 2005-09-21 | 2009-04-28 | Ino Therapeutics, Llc | System and method of administering a pharmaceutical gas to a patient |
US8893717B2 (en) | 2005-09-21 | 2014-11-25 | Ino Therapeutics Llc | Systems and methods of administering a pharmaceutical gas to a patient |
DE602007003800D1 (de) * | 2007-02-23 | 2010-01-28 | Gen Electric | Beatmungssystem für die Anästhesie und Verfahren zur Leckerkennung bei dem Beatmungssystem für die Anästhesie |
EP1974762A1 (en) * | 2007-03-29 | 2008-10-01 | General Electric Company | Anaesthesia machine arrangement and a method in connection with an anaesthesia machine arrangement |
DE602007003680D1 (de) * | 2007-03-29 | 2010-01-21 | Gen Electric | Anästhesiegerätanordnung |
EP2209513B1 (en) * | 2007-11-14 | 2014-07-30 | Maquet Critical Care AB | Anesthetic breathing apparatus having improved monitoring of anesthetic agent |
DE102008022761B4 (de) * | 2008-05-08 | 2015-11-05 | Drägerwerk AG & Co. KGaA | Vorrichtung zur Gewinnung und Untersuchung von Atemgasproben |
US8302602B2 (en) | 2008-09-30 | 2012-11-06 | Nellcor Puritan Bennett Llc | Breathing assistance system with multiple pressure sensors |
US9186075B2 (en) | 2009-03-24 | 2015-11-17 | Covidien Lp | Indicating the accuracy of a physiological parameter |
US8482415B2 (en) | 2009-12-04 | 2013-07-09 | Covidien Lp | Interactive multilevel alarm |
US8418692B2 (en) | 2009-12-04 | 2013-04-16 | Covidien Lp | Ventilation system with removable primary display |
US8491491B2 (en) * | 2010-03-02 | 2013-07-23 | Data Sciences International, Inc. | Respiration measurements and dosimetry control in inhalation testing systems |
USD645158S1 (en) | 2010-04-27 | 2011-09-13 | Nellcor Purtian Bennett LLC | System status display |
US8539949B2 (en) | 2010-04-27 | 2013-09-24 | Covidien Lp | Ventilation system with a two-point perspective view |
US8453643B2 (en) | 2010-04-27 | 2013-06-04 | Covidien Lp | Ventilation system with system status display for configuration and program information |
US8511306B2 (en) | 2010-04-27 | 2013-08-20 | Covidien Lp | Ventilation system with system status display for maintenance and service information |
US20130211207A1 (en) * | 2011-09-09 | 2013-08-15 | Sony Corporation | Method and system for monitoring respiratory gases during anesthesia |
US9254368B2 (en) | 2011-12-02 | 2016-02-09 | Drägerwerk AG & Co. KGaA | Oxygen regulation with at least two SPO2 monitors and automatic recognition of a signal having a higher rating |
US8844526B2 (en) | 2012-03-30 | 2014-09-30 | Covidien Lp | Methods and systems for triggering with unknown base flow |
US10076620B2 (en) | 2012-12-22 | 2018-09-18 | Dmf Medical Incorporated | Anesthetic circuit having a hollow fiber membrane |
CN103893868B (zh) * | 2012-12-27 | 2016-03-02 | 北京谊安医疗系统股份有限公司 | 一种呼吸机串行接口扩展装置 |
US9492629B2 (en) | 2013-02-14 | 2016-11-15 | Covidien Lp | Methods and systems for ventilation with unknown exhalation flow and exhalation pressure |
US9981096B2 (en) | 2013-03-13 | 2018-05-29 | Covidien Lp | Methods and systems for triggering with unknown inspiratory flow |
US9925346B2 (en) | 2015-01-20 | 2018-03-27 | Covidien Lp | Systems and methods for ventilation with unknown exhalation flow |
USD775345S1 (en) | 2015-04-10 | 2016-12-27 | Covidien Lp | Ventilator console |
CN107670153B (zh) * | 2017-10-23 | 2020-11-24 | 天津怡和嘉业医疗科技有限公司 | 呼吸机运行参数的处理方法及呼吸机 |
CN109498953A (zh) * | 2018-12-14 | 2019-03-22 | 单晓辉 | 一种多功能临床麻醉科用辅助麻醉装置 |
WO2024086363A1 (en) * | 2022-10-21 | 2024-04-25 | Vero Biotech Inc. | Systems, methods, and apparatus for producing nitric oxide |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1294808A (en) * | 1971-08-19 | 1972-11-01 | Philips Electronic Associated | Temperature-controlled gas humidifier for a medical ventilator |
US4366821A (en) * | 1980-09-15 | 1983-01-04 | Marie C. Kercheval | Breath monitor device |
US4502490A (en) | 1980-10-28 | 1985-03-05 | Antec Systems Limited | Patient monitoring equipment, probe for use therewith, and method of measuring anesthesia based on oesophagal contractions |
DE3378999D1 (en) * | 1982-07-30 | 1989-02-23 | Ronald Dunbar Rae | Fluid flow regulator |
SE8601351D0 (sv) * | 1986-03-24 | 1986-03-24 | Nilsson Sven Erik | Styrd administration av fysiologiskt aktiva emnen |
US4706664A (en) | 1986-04-11 | 1987-11-17 | Puritan-Bennett Corporation | Inspiration oxygen saver |
US4897184A (en) * | 1986-10-31 | 1990-01-30 | Cobe Laboratories, Inc. | Fluid flow apparatus control and monitoring |
US5522382A (en) * | 1987-06-26 | 1996-06-04 | Rescare Limited | Device and method for treating obstructed breathing having a delay/ramp feature |
US5199424A (en) * | 1987-06-26 | 1993-04-06 | Sullivan Colin E | Device for monitoring breathing during sleep and control of CPAP treatment that is patient controlled |
US4986268A (en) * | 1988-04-06 | 1991-01-22 | Tehrani Fleur T | Method and apparatus for controlling an artificial respirator |
US4972842A (en) * | 1988-06-09 | 1990-11-27 | Vital Signals, Inc. | Method and apparatus for precision monitoring of infants on assisted ventilation |
US5072737A (en) * | 1989-04-12 | 1991-12-17 | Puritan-Bennett Corporation | Method and apparatus for metabolic monitoring |
US5094235A (en) * | 1989-05-10 | 1992-03-10 | Dragerwerk Aktiengesellschaft | Anesthesia ventilating apparatus having a breathing circuit and control loops for anesthetic gas components |
US5057822A (en) * | 1990-09-07 | 1991-10-15 | Puritan-Bennett Corporation | Medical gas alarm system |
US5320093A (en) * | 1990-12-21 | 1994-06-14 | Brigham And Women's Hospital | Rapid anesthesia emergence system using closed-loop PCO2 control |
SE467996B (sv) * | 1991-01-25 | 1992-10-19 | Siemens Elema Ab | Anordning foer tillfoersel av en andningsgas och minst ett anestesimedel |
US5365922A (en) * | 1991-03-19 | 1994-11-22 | Brigham And Women's Hospital, Inc. | Closed-loop non-invasive oxygen saturation control system |
US5320092A (en) * | 1991-08-05 | 1994-06-14 | Ryder Steven L | Fluid delivery apparatus with alarm |
US5363842A (en) * | 1991-12-20 | 1994-11-15 | Circadian, Inc. | Intelligent inhaler providing feedback to both patient and medical professional |
US5331995A (en) * | 1992-07-17 | 1994-07-26 | Bear Medical Systems, Inc. | Flow control system for medical ventilator |
US5558083A (en) * | 1993-11-22 | 1996-09-24 | Ohmeda Inc. | Nitric oxide delivery system |
SE503155C2 (sv) * | 1994-07-28 | 1996-04-01 | Comasec International Sa | Sätt och anordning för funktionskontroll vid andningsapparat |
US5590651A (en) * | 1995-01-17 | 1997-01-07 | Temple University - Of The Commonwealth System Of Higher Education | Breathable liquid elimination analysis |
SE9500175L (sv) * | 1995-01-19 | 1996-07-20 | Siemens Elema Ab | Förfarande och anordning för att identifiera minst ett narkosmedel i en narkosutrustning |
US5626131A (en) * | 1995-06-07 | 1997-05-06 | Salter Labs | Method for intermittent gas-insufflation |
SE9502543D0 (sv) * | 1995-07-10 | 1995-07-10 | Lachmann Burkhardt | Artificial ventilation system |
US5931160A (en) * | 1995-12-08 | 1999-08-03 | Cardiopulmonary Corporation | Ventilator control system and method |
US6463930B2 (en) * | 1995-12-08 | 2002-10-15 | James W. Biondi | System for automatically weaning a patient from a ventilator, and method thereof |
US6158432A (en) * | 1995-12-08 | 2000-12-12 | Cardiopulmonary Corporation | Ventilator control system and method |
US5732694A (en) | 1996-12-13 | 1998-03-31 | Ohmeda Inc. | System for correcting NO2 monitor |
US5806513A (en) | 1996-10-11 | 1998-09-15 | Ohmeda Inc. | Method and apparatus for controlling a medical anesthesia delivery system |
US5865174A (en) * | 1996-10-29 | 1999-02-02 | The Scott Fetzer Company | Supplemental oxygen delivery apparatus and method |
DK0973443T3 (da) | 1997-01-17 | 2006-07-24 | Ino Therapeutics Gmbh | Styret gasforsyningssystem |
US6131571A (en) * | 1997-04-30 | 2000-10-17 | University Of Florida | Ventilation apparatus and anesthesia delivery system |
EP0968735A1 (en) * | 1998-07-02 | 2000-01-05 | Instrumentarium Oy | Ventilator for intensified breathing and valve |
FI982652A (sv) * | 1998-12-08 | 2000-06-09 | Instrumentarium Oyj | Anordning i en anläggning som sköter en patient |
-
1998
- 1998-12-08 FI FI982653A patent/FI110065B/sv not_active IP Right Cessation
-
1999
- 1999-12-03 AU AU16616/00A patent/AU1661600A/en not_active Abandoned
- 1999-12-03 EP EP99959448A patent/EP1140264B1/en not_active Expired - Lifetime
- 1999-12-03 US US09/857,682 patent/US7290544B1/en not_active Expired - Lifetime
- 1999-12-03 AT AT99959448T patent/ATE308357T1/de not_active IP Right Cessation
- 1999-12-03 WO PCT/FI1999/001007 patent/WO2000033904A1/en active IP Right Grant
- 1999-12-03 DE DE69928122T patent/DE69928122T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU1661600A (en) | 2000-06-26 |
FI982653A (sv) | 2000-06-09 |
EP1140264A1 (en) | 2001-10-10 |
FI982653A0 (sv) | 1998-12-08 |
DE69928122T2 (de) | 2006-06-22 |
DE69928122D1 (de) | 2005-12-08 |
EP1140264B1 (en) | 2005-11-02 |
WO2000033904A1 (en) | 2000-06-15 |
US7290544B1 (en) | 2007-11-06 |
ATE308357T1 (de) | 2005-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |