AU2003200559B2 - Conduit Overheating Detection System - Google Patents
Conduit Overheating Detection System Download PDFInfo
- Publication number
- AU2003200559B2 AU2003200559B2 AU2003200559A AU2003200559A AU2003200559B2 AU 2003200559 B2 AU2003200559 B2 AU 2003200559B2 AU 2003200559 A AU2003200559 A AU 2003200559A AU 2003200559 A AU2003200559 A AU 2003200559A AU 2003200559 B2 AU2003200559 B2 AU 2003200559B2
- Authority
- AU
- Australia
- Prior art keywords
- conduit
- gases
- heating element
- current
- controller
- 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.)
- Ceased
Links
- 238000013021 overheating Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 116
- 230000000241 respiratory effect Effects 0.000 claims abstract description 34
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims description 89
- 230000003434 inspiratory effect Effects 0.000 claims description 28
- 230000037361 pathway Effects 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000003444 anaesthetic effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001010 compromised effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 flow generator Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
Classifications
-
- 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. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
-
- 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. ventilators; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
-
- 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. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
- A61M16/1095—Preparation of respiratory gases or vapours by influencing the temperature in the connecting tubes
-
- 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. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
-
- 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. ventilators; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0841—Joints or connectors for sampling
-
- 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. ventilators; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
- A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
-
- 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
- A61M2205/3368—Temperature
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Pipeline Systems (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Air Humidification (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ517342 | 2002-02-20 | ||
| NZ51734202 | 2002-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2003200559A1 AU2003200559A1 (en) | 2003-09-04 |
| AU2003200559B2 true AU2003200559B2 (en) | 2008-11-13 |
Family
ID=27656528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2003200559A Ceased AU2003200559B2 (en) | 2002-02-20 | 2003-02-19 | Conduit Overheating Detection System |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7140367B2 (https=) |
| EP (1) | EP1338297B1 (https=) |
| JP (2) | JP4471574B2 (https=) |
| AT (1) | ATE392227T1 (https=) |
| AU (1) | AU2003200559B2 (https=) |
| CA (1) | CA2419390C (https=) |
| DE (1) | DE60320331T2 (https=) |
Families Citing this family (73)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7708013B2 (en) | 2000-12-08 | 2010-05-04 | Vapotherm, Inc. | Apparatus and method for delivering water vapor to a gas |
| AU2003244171B2 (en) | 2002-09-09 | 2007-11-15 | Fisher & Paykel Healthcare Limited | Limb for Breathing Circuit |
| EP4049703B1 (en) * | 2004-08-20 | 2023-09-27 | Fisher & Paykel Healthcare Limited | Apparatus for measuring properties of gases supplied to a patient |
| DE102005000922A1 (de) * | 2005-01-07 | 2006-07-20 | Seleon Gmbh | Luftbrille, Nasenstück, Y-Stück sowie Verfahren |
| EP1855749A4 (en) | 2005-03-01 | 2011-11-23 | Resmed Ltd | DETECTION SYSTEM FOR A DEVICE THAT INTRODUCES BREATHING TO A PATIENT |
| CA2609738C (en) | 2005-05-26 | 2014-01-07 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
| US8739780B2 (en) | 2005-08-15 | 2014-06-03 | Resmed Limited | Low cost CPAP flow generator and humidifier assembly |
| WO2008060295A2 (en) * | 2005-12-14 | 2008-05-22 | Mergenet Medical Inc. | High flow therapy device |
| JP2007130138A (ja) * | 2005-11-09 | 2007-05-31 | Osada Res Inst Ltd | 歯科治療ユニット |
| EP1973577B1 (en) | 2005-12-15 | 2012-08-01 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus with thermal disinfection conduit |
| US7384297B2 (en) * | 2006-11-07 | 2008-06-10 | King Jr Lloyd Herbert | Wire connector |
| AU2007317198B2 (en) * | 2006-11-08 | 2013-08-22 | ResMed Pty Ltd | Conduit for use in a respiratory apparatus |
| JP2007144199A (ja) * | 2006-12-18 | 2007-06-14 | Atsugi Color Genzosho:Kk | 就寝時のいびき防止器 |
| US8240306B2 (en) * | 2007-07-18 | 2012-08-14 | Vapotherm, Inc. | Base unit for breathing gas heating and humidification system |
| US8215301B2 (en) * | 2007-08-29 | 2012-07-10 | Smiths Medical Asd, Inc. | Nose cannula heated/humidified gas delivery system |
| US8905023B2 (en) | 2007-10-05 | 2014-12-09 | Vapotherm, Inc. | Hyperthermic humidification system |
| US8063343B2 (en) * | 2007-10-29 | 2011-11-22 | Smiths Medical Asd, Inc. | Heated breathing circuit detection |
| US8122882B2 (en) * | 2007-10-29 | 2012-02-28 | Smiths Medical Asd, Inc. | Rainout reduction in a breathing circuit |
| US8511305B2 (en) * | 2007-10-29 | 2013-08-20 | Smiths Medical Asd, Inc. | Redundant power control for respiratory system heaters |
| US7983542B2 (en) * | 2007-10-29 | 2011-07-19 | Smiths Medical Asd, Inc. | PID coefficient adjustment for respiratory heater closed loop control |
| CN101537221A (zh) * | 2008-03-06 | 2009-09-23 | 雷斯梅德有限公司 | 呼吸气体的湿化 |
| US9802022B2 (en) * | 2008-03-06 | 2017-10-31 | Resmed Limited | Humidification of respiratory gases |
| EP2349421B1 (en) * | 2008-09-10 | 2019-10-30 | ResMed Pty Ltd | Improved power management in respiratory treatment apparatus |
| US8393323B2 (en) * | 2008-09-30 | 2013-03-12 | Covidien Lp | Supplemental gas safety system for a breathing assistance system |
| EP2248547B1 (en) * | 2009-05-05 | 2012-07-25 | Plastiflex Group | Breathing circuit system |
| AU2010206053B2 (en) | 2009-07-31 | 2014-08-07 | ResMed Pty Ltd | Wire Heated Tube with Temperature Control System, Tube Type Detection, and Active Over Temperature Protection for Humidifier for Respiratory Apparatus |
| DE102009052542A1 (de) * | 2009-11-04 | 2011-05-05 | Lang, Volker, Prof. Dr. | Atemgas-Anwärm-Anfeucht-Vorrichtungen für die künstliche Beatmung und Atemhilfstherapien mit besonderer Eignung für den Bereich HOME CARE . |
| US20110108031A1 (en) * | 2009-11-11 | 2011-05-12 | Carefusion 2200 Inc. | Heated conduit for respiratory humidification |
| GB2540695C (en) * | 2009-12-22 | 2017-10-25 | Fisher & Paykel Healthcare Ltd | Components for medical circuits |
| CA2784852C (en) * | 2009-12-23 | 2018-02-27 | Fisher & Paykel Healthcare Limited | Humidified gases delivery apparatus and methods for controlling same |
| US12226569B2 (en) | 2009-12-23 | 2025-02-18 | Fisher & Paykel Healthcare Limted | Systems for laparoscopic surgery |
| US9474512B2 (en) * | 2009-12-23 | 2016-10-25 | Fisher & Paykel Healthcare Limited | Relating to systems for laparoscopic surgery |
| US8511651B2 (en) | 2011-03-29 | 2013-08-20 | Smiths Medical Asd, Inc. | Heater unit humidification chamber monitor |
| CN114099875B (zh) | 2011-06-03 | 2025-02-25 | 费雪派克医疗保健有限公司 | 医用管和制造方法 |
| US9038634B2 (en) | 2011-06-22 | 2015-05-26 | Breathe Technologies, Inc. | Ventilation mask with integrated piloted exhalation valve |
| US8844533B2 (en) | 2011-06-22 | 2014-09-30 | Breathe Technologies, Inc. | Ventilation mask with integrated piloted exhalation valve |
| US9486602B2 (en) | 2011-06-22 | 2016-11-08 | Breathe Technologies, Inc. | Ventilation mask with integrated piloted exhalation valve and method of ventilating a patient using the same |
| DE102011054131A1 (de) | 2011-10-01 | 2013-04-04 | Hamilton Bonaduz Ag | Beatmungsschlauchsystem |
| GB2516181B (en) | 2012-03-15 | 2016-12-21 | Fisher & Paykel Healthcare Ltd | Respiratory gas humidification system |
| JP6352240B2 (ja) * | 2012-03-30 | 2018-07-04 | フィッシャー アンド ペイケル ヘルスケア リミテッド | 加湿システム |
| US20130255670A1 (en) * | 2012-04-02 | 2013-10-03 | Lexion Medical, Llc | System and Method for Performing a Surgical Procedure |
| GB2575895B (en) | 2012-04-27 | 2020-06-03 | Fisher & Paykel Healthcare Ltd | Humidification apparatus including a port cap |
| CA2871850A1 (en) | 2012-05-23 | 2013-11-28 | Fisher & Paykel Healthcare Limited | Flow path fault detection method for a respiratory assistance apparatus |
| GB2581265B (en) | 2012-11-14 | 2021-01-20 | Fisher & Paykel Healthcare Ltd | Zone heating for respiratory circuits |
| CN105339032B (zh) | 2012-12-04 | 2018-10-19 | 费雪派克医疗保健有限公司 | 医用管以及其制造方法 |
| NZ743034A (en) | 2013-02-01 | 2019-12-20 | ResMed Pty Ltd | Wire heated tube with temperature control system for humidifier for respiratory apparatus |
| US9878121B2 (en) | 2013-03-13 | 2018-01-30 | Breathe Technologies, Inc. | Ventilation mask with heat and moisture exchange device |
| GB2580554B (en) | 2013-09-13 | 2020-12-30 | Fisher & Paykel Healthcare Ltd | Connections for humidification system |
| EP3895750B8 (en) | 2013-09-13 | 2024-12-18 | Fisher & Paykel Healthcare Limited | Humidification system |
| US10814091B2 (en) | 2013-10-24 | 2020-10-27 | Fisher & Paykel Healthcare Limited | System for delivery of respiratory gases |
| HUE062413T2 (hu) * | 2013-12-20 | 2023-10-28 | Fisher & Paykel Healthcare Ltd | Párásító rendszer csatlakozásai |
| US10449319B2 (en) | 2014-02-07 | 2019-10-22 | Fisher & Paykel Healthcare Limited | Respiratory humidification system |
| AU2015232050B2 (en) | 2014-03-17 | 2020-01-23 | Fisher & Paykel Healthcare Limited | Medical tubes for respiratory systems |
| WO2015160268A1 (en) * | 2014-04-16 | 2015-10-22 | Fisher & Paykel Healthcare Limited | Methods and systems for delivering gas to a patient |
| WO2015167347A1 (en) | 2014-05-02 | 2015-11-05 | Fisher & Paykel Healthcare Limited | Gas humidification arrangement |
| US10709866B2 (en) | 2014-05-13 | 2020-07-14 | Fisher & Paykel Healthcare Limited | Usability features for respiratory humidification system |
| EP3607988B1 (en) | 2014-06-03 | 2025-09-10 | Fisher & Paykel Healthcare Limited | A humidification chamber for a respiratory therapy apparatus |
| EP3925654B1 (en) | 2014-11-17 | 2024-04-17 | Fisher & Paykel Healthcare Limited | Humidification of respiratory gases |
| US10596345B2 (en) | 2014-12-31 | 2020-03-24 | Vapotherm, Inc. | Systems and methods for humidity control |
| US10398871B2 (en) | 2015-03-31 | 2019-09-03 | Vapotherm, Inc. | Systems and methods for patient-proximate vapor transfer for respiratory therapy |
| US10960167B2 (en) | 2015-09-09 | 2021-03-30 | Fisher & Paykel Healthcare Limited | Zone heating for respiratory circuits |
| CN105797255A (zh) * | 2016-05-18 | 2016-07-27 | 湖南明康中锦医疗科技发展有限公司 | 一种控制呼吸机湿度的方法、装置及系统 |
| AU2017297978B2 (en) | 2016-07-21 | 2022-08-25 | Fisher & Paykel Healthcare Limited | Medical tubes for breathing circuit |
| EP3487567B1 (en) * | 2016-07-22 | 2026-04-29 | Fisher & Paykel Healthcare Limited | Controller for a breathing assistance apparatus |
| CN211383329U (zh) | 2016-10-14 | 2020-09-01 | 蒸汽热能公司 | 用于输送呼吸气体的系统 |
| AU2017371480B2 (en) | 2016-12-07 | 2022-11-03 | Fisher And Paykel Healthcare Limited | Sensing arrangements for medical devices |
| EP4523724A1 (en) | 2016-12-22 | 2025-03-19 | Fisher & Paykel Healthcare Limited | Medical tubes and methods of manufacture |
| EP3654905B1 (en) * | 2017-08-08 | 2022-07-13 | Yostra Labs Pvt Ltd | Devices and methods for warm gas therapy |
| CN107670155A (zh) * | 2017-11-10 | 2018-02-09 | 英路维（宁波）健康科技有限公司 | 一种便携式雾化呼吸仪 |
| DE102020002278A1 (de) * | 2019-04-24 | 2020-10-29 | Löwenstein Medical Technology S.A. | System zur Atemgasversorgung und Verfahren |
| CN111150917B (zh) * | 2019-12-31 | 2021-09-14 | 北京怡和嘉业医疗科技股份有限公司 | 一种通气治疗设备湿化控制系统和方法 |
| EP4100752A4 (en) * | 2020-02-04 | 2024-02-14 | Fisher & Paykel Healthcare Limited | Respiratory or surgical humidifier and method of use |
| US12064562B2 (en) | 2020-03-12 | 2024-08-20 | Vapotherm, Inc. | Respiratory therapy unit with non-contact sensing and control |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621632A (en) * | 1984-11-01 | 1986-11-11 | Bear Medical Systems, Inc. | Humidifier system |
| US4708831A (en) * | 1985-05-22 | 1987-11-24 | Fisher & Paykel Limited | Methods of and/or apparatus for humidifying gases |
| US5392770A (en) * | 1993-06-29 | 1995-02-28 | Clawson; Burrell E. | Tubing circuit systems for humidified respiratory gas |
| US5537996A (en) * | 1993-11-22 | 1996-07-23 | Fisher & Paykel Limited | Heated respiratory humidifier conduit |
| EP1014527A2 (en) * | 1998-12-23 | 2000-06-28 | FISHER & PAYKEL LIMITED | Fault protection system for a respiratory conduit heater element |
| US6107611A (en) * | 1998-01-19 | 2000-08-22 | Msx, Inc. | Method and apparatus for detecting ground faults in a shielded heater wire by sensing electrical arcing |
| US6272933B1 (en) * | 1997-06-17 | 2001-08-14 | Fisher & Paykel Limited | Respiratory humidification system |
-
2003
- 2003-02-18 US US10/368,939 patent/US7140367B2/en not_active Expired - Lifetime
- 2003-02-19 AU AU2003200559A patent/AU2003200559B2/en not_active Ceased
- 2003-02-20 AT AT03003875T patent/ATE392227T1/de not_active IP Right Cessation
- 2003-02-20 CA CA2419390A patent/CA2419390C/en not_active Expired - Fee Related
- 2003-02-20 JP JP2003042299A patent/JP4471574B2/ja not_active Expired - Fee Related
- 2003-02-20 DE DE60320331T patent/DE60320331T2/de not_active Expired - Lifetime
- 2003-02-20 EP EP03003875A patent/EP1338297B1/en not_active Expired - Lifetime
-
2010
- 2010-01-13 JP JP2010005012A patent/JP4876175B2/ja not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621632A (en) * | 1984-11-01 | 1986-11-11 | Bear Medical Systems, Inc. | Humidifier system |
| US4708831A (en) * | 1985-05-22 | 1987-11-24 | Fisher & Paykel Limited | Methods of and/or apparatus for humidifying gases |
| US5392770A (en) * | 1993-06-29 | 1995-02-28 | Clawson; Burrell E. | Tubing circuit systems for humidified respiratory gas |
| US5537996A (en) * | 1993-11-22 | 1996-07-23 | Fisher & Paykel Limited | Heated respiratory humidifier conduit |
| US6272933B1 (en) * | 1997-06-17 | 2001-08-14 | Fisher & Paykel Limited | Respiratory humidification system |
| US6107611A (en) * | 1998-01-19 | 2000-08-22 | Msx, Inc. | Method and apparatus for detecting ground faults in a shielded heater wire by sensing electrical arcing |
| EP1014527A2 (en) * | 1998-12-23 | 2000-06-28 | FISHER & PAYKEL LIMITED | Fault protection system for a respiratory conduit heater element |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4471574B2 (ja) | 2010-06-02 |
| ATE392227T1 (de) | 2008-05-15 |
| US20030154977A1 (en) | 2003-08-21 |
| US7140367B2 (en) | 2006-11-28 |
| CA2419390C (en) | 2012-05-01 |
| DE60320331D1 (de) | 2008-05-29 |
| JP2010088934A (ja) | 2010-04-22 |
| JP2003245353A (ja) | 2003-09-02 |
| DE60320331T2 (de) | 2009-05-28 |
| AU2003200559A1 (en) | 2003-09-04 |
| CA2419390A1 (en) | 2003-08-20 |
| JP4876175B2 (ja) | 2012-02-15 |
| EP1338297B1 (en) | 2008-04-16 |
| EP1338297A1 (en) | 2003-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |