CA2393743A1 - Apparatus and method for respiratory tract therapy - Google Patents

Apparatus and method for respiratory tract therapy Download PDF

Info

Publication number
CA2393743A1
CA2393743A1 CA002393743A CA2393743A CA2393743A1 CA 2393743 A1 CA2393743 A1 CA 2393743A1 CA 002393743 A CA002393743 A CA 002393743A CA 2393743 A CA2393743 A CA 2393743A CA 2393743 A1 CA2393743 A1 CA 2393743A1
Authority
CA
Canada
Prior art keywords
fluid
tubing assembly
fitting
gas
supply unit
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
Application number
CA002393743A
Other languages
French (fr)
Other versions
CA2393743C (en
Inventor
Gary Schroeder
Dirk Ten Broeck
Owen S. Bamford
William F. Niland
Felino V. Cortez, Jr.
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.)
Vapotherm Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2393743A1 publication Critical patent/CA2393743A1/en
Application granted granted Critical
Publication of CA2393743C publication Critical patent/CA2393743C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0808—Condensation traps
    • 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
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
    • A61M16/022—Control means therefor
    • A61M16/024—Control means therefor including calculation means, e.g. using a processor
    • A61M16/026—Control means therefor including calculation means, e.g. using a processor specially adapted for predicting, e.g. for determining an information representative of a flow limitation during a ventilation cycle by using a root square technique or a regression analysis
    • 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
    • A61M16/08—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. mouth-to-mouth respiration; 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/109—Preparation of respiratory gases or vapours by influencing the temperature the humidifying liquid or the beneficial agent
    • 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
    • A61M16/1075—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. mouth-to-mouth respiration; 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
    • A61M16/142—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase with semi-permeable walls separating the liquid from the respiratory gas
    • A61M16/145—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase with semi-permeable walls separating the liquid from the respiratory gas using hollow fibres
    • 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
    • A61M16/14—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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • 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
    • A61M16/105—Filters
    • A61M16/1055—Filters bacterial
    • 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
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • 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
    • A61M16/14—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
    • A61M16/162—Water-reservoir filling system, e.g. automatic
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Window Of Vehicle (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

An apparatus is provided for delivering heated and humidified air to the respiratory tract of a human patient for respiratory tract therapy and treatment. The apparatus includes a supply unit (11) and a delivery tube (28) that can be releasably connected to the supply unit (11). Methods of respiratory tract therapy and treatment are also provided.

Claims (51)

1. A tubing assembly for delivering gas to a patient from a supply unit having a port defining a gas outlet, a fluid outlet, and a fluid inlet, said tubing assembly comprising:

a tube having a gas passage to deliver gas toward a patient and a fluid passage to circulate fluid and transfer heat to gas in the gas passage;

a fitting connected to said tube, said fitting having a gas inlet oriented to provide gas flow between the gas outlet of the supply unit and said gas passage of said tube, said fitting further comprising a fluid inlet oriented to provide fluid flow between the fluid outlet of the supply unit and said fluid passage of said tube, and said fitting further comprising a fluid outlet oriented to provide fluid flow between said fluid passage of said tube and the fluid inlet of the supply unit;

said fitting of said tubing assembly being configured to provide flow communication between the gas outlet, the fluid outlet, and the fluid inlet of the supply unit and said gas passage and said fluid passage of said tube upon insertion of said fitting of said tubing assembly into the port of the supply unit.
2. The tubing assembly defined in claim 1, said fitting of said tubing assembly being coupled to a proximal end of said tube.
3. The tubing assembly defined in claim 2, said tubing assembly further comprising a supply fitting coupled to a distal end of said tube.
4. The tubing assembly defined in claim l, said gas passage of said tube of said tubing assembly extending from a proximal end to a distal end of said tube.
5. The tubing assembly defined in claim 1, said fluid passage of said tube comprising a fluid supply passage extending from a proximal end to a distal end of said tube and a fluid return passage extending from said distal end to said proximal end of said tube, said fluid passage being configured to circulate fluid from said proximal end to said distal end of said tube through said fluid supply passage and from said distal end to said proximal end of said tube through said fluid return passage.
6. The tubing assembly defined in claim 5, said tubing assembly defining a passage for fluid flow between said fluid supply passage and said fluid return passage adjacent said distal end of said tube.
7. The tubing assembly defined in claim 5, said fluid inlet of said fitting of said tubing assembly being positioned for flow communication with said fluid supply passage of said tube adjacent said proximal end of said tube.
8. The tubing assembly defined in claim 7, said fluid outlet of said fitting of said tubing assembly being positioned for flow communication with said fluid return passage of said tube adjacent said proximal end of said tube.
9. The tubing assembly defined in claim 1, said gas inlet of said fitting of said tubing assembly extending axially for flow communication with the gas outlet of the supply unit.
10. The tubing assembly defined in claim 1, said fluid inlet of said fitting of said tubing assembly being configured for longitudinal alignment with the fluid outlet of the supply unit.
11. The tubing assembly defined in claim 1, said fluid outlet of said fitting of said tubing assembly being configured for longitudinal alignment with the fluid inlet of the supply unit.
12. The tubing assembly defined in claim 1, said fluid inlet of said fitting of said tubing assembly extending radially for flow communication with the fluid outlet of the supply unit.
13. The tubing assembly defined in claim 1, said fluid outlet of said fitting of said tubing assembly extending radially for flow communication with the fluid inlet of the supply unit.
14. The tubing assembly defined in claim 1, said fluid inlet and said fluid outlet of said fitting of said tubing assembly extending along a common axis oriented at an angle to the longitudinal axis of said tube.
15. In combination with the tubing assembly defined in claim 1, a supply unit configured to supply gas for delivery to a patient and to supply fluid for heating the gas;
said supply unit comprising a port defining a gas outlet, a fluid outlet, and a fluid inlet, said fitting of said tubing assembly being releasably engaged in said port of said supply unit;
said gas outlet of said supply unit being in flow communication with said gas inlet of said fitting of said tubing assembly;
said fluid outlet of said supply unit being in flow communication with said fluid inlet of said fitting of said tubing assembly; and said fluid inlet of said supply unit being in flow communication with said fluid outlet of said fitting of said tubing assembly.
16. The combination defined in claim 15, said supply unit being configured to humidify gas and to deliver humidified gas to said gas outlet of said supply unit.
17. The combination defined in claim 15, said supply unit being configured to heat fluid and to circulate heated fluid from said fluid inlet of said supply unit to said fluid outlet of said supply unit.
18. The combination defined in claim 15, said gas inlet of said fitting of said tubing assembly and said gas outlet of said supply unit extending along the longitudinal axis of said tube of said tubing assembly.
19. The combination defined in claim 15, said fluid inlet and said fluid outlet of said fitting of said tubing assembly extending radially outwardly.
20. The combination defined in claim 19, said fitting of said tubing assembly comprising a flange configured to engage a surface of said port for rotation of said fitting into locking engagement with said port, said fluid inlet and said fluid outlet of said fitting of said tubing assembly being in flow communication with said fluid outlet and said fluid inlet of said port, respectively, upon said rotation of said fitting into locking engagement with said port.
21. The combination defined in claim 15, said port of said supply unit comprising valves to close said fluid inlet and said fluid outlet upon removal of said fitting of said tubing assembly from said port.
22. The combination defined in claim 21, said valves of said port being configured to be opened upon insertion of said fitting of said tubing assembly into said port, thereby permitting flow communication between said fluid inlet and said fluid outlet of said port and said fluid passage of said tubing assembly.
23. The combination defined in claim 15, said supply unit further comprising a sensor mounted to detect the presence of liquid in gas delivered to said gas outlet.
24. The combination defined in claim 23, said sensor being configured to sense the intensity of a light beam generated through the gas, wherein the presence of liquid in the gas decreases the intensity of said light beam.
25. The combination defined in claim 23, said supply unit being configured to prevent the delivery of gas to said gas outlet when the presence of liquid is detected in the gas.
26. An apparatus for removing air from a circulating liquid comprising:
a chamber having an inlet for introducing circulating liquid into said chamber, an inlet for introducing supplemental liquid into said chamber, and an outlet for delivering circulating liquid and supplemental liquid from said chamber;
said chamber being configured to accumulate air from circulating liquid entering said chamber through said circulating liquid inlet; and said supplemental liquid inlet being positioned to discharge accumulated air from said chamber.
27. The apparatus defined in claim 26, said circulating liquid inlet being positioned above said circulating liquid outlet.
28. The apparatus defined in claim 26, said supplemental liquid inlet being positioned below said circulating liquid inlet.
29. The apparatus defined in claim 26, said supplemental liquid inlet being positioned above said circulating liquid and supplemental liquid outlet.
30. The apparatus defined in claim 26, said supplemental liquid inlet being defined by a wall extending into an interior of said chamber.
31. The apparatus defined in claim 30, said wall forming a tube extending downwardly into said interior of said chamber.
32. The apparatus defined in claim 30, said wall terminating at a location below said circulating liquid inlet.
33. The apparatus defined in claim 26, further comprising a port to receive a sensor configured to sense a condition of liquid in said chamber.
34. The apparatus defined in claim 33, said sensor being configured to sense the temperature of liquid in said chamber.
35. The apparatus defined in claim 26, said supplemental liquid inlet having a diameter of at least about 3/8 inch.
36. A method for warming a patient comprising delivering heated and humidified oxygen to the nasal passageway of the patient through a nasal cannula.
37. The method defined in claim 36, wherein heated and humidified oxygen is delivered to the nasal passageway of the patient at about 37C to 42C for more than 30 minutes.
38. The method defined in claim 36, wherein heated and humidified oxygen is delivered to the nasal passageway of the patient at about 20 liters per minute.
39. The method defined in claim 36, wherein heated and humidified oxygen is delivered to the nasal passageway of the patient at about 100% humidity.
40. A method for enhancing athletic performance comprising delivering heated and humidified air to the nasal passageway of the athlete through a nasal cannula prior to the athletic performance.
41. The method defined in claim 40, wherein heated and humidified air is delivered to the nasal passageway of the athlete at about 37C.
42. The method defined in claim 40, wherein heated and humidified air is delivered to the nasal passageway of the athlete at about 30 to 35 liters per minute.
43. The method defined in claim 40, wherein heated and humidified air is delivered to the nasal passageway of the athlete for up to about 1 hour.
44. The method defined in claim 40, wherein heated and humidified air is delivered to the nasal passageway of the athlete at about 100% humidity.
45. A method for reducing the work of breathing of patient comprising delivering heated and humidified air to the nasal passageway of the patient through a nasal cannula.
46. The method defined in claim 45, wherein heated and humidified air is delivered to the nasal passageway of the patient at up to 25 liters per minute.
47. The method defined in claim 45, wherein heated and humidified air is delivered to the nasal passageway of the patient at about 15 to 20 liters per minute.
48. A method for weaning a patient from mechanical ventilation comprising removing the patient from mechanical ventilation and delivering heated and humidified oxygen to the nasal passageway of the patient through a nasal cannula at about 10 liters per minute or more.
49. The method defined in claim 48, wherein heated and humidified oxygen is delivered to the nasal passageway of the patient through a nasal cannula at about 20 liters per minute or more
50. A method for treating an asthma patient comprising delivering heated and humidified air to the nasal passageway of the patient through a nasal cannula.
51. A method for improving the vocal function of an individual comprising delivering heated and humidified air to the nasal passageway of the individual through a nasal cannula prior to vocal exercise.
CA2393743A 1999-12-10 2000-12-08 Apparatus and method for respiratory tract therapy Expired - Lifetime CA2393743C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17021399P 1999-12-10 1999-12-10
US60/170,213 1999-12-10
PCT/US2000/033346 WO2001041854A2 (en) 1999-12-10 2000-12-08 Apparatus and method for respiratory tract therapy

Publications (2)

Publication Number Publication Date
CA2393743A1 true CA2393743A1 (en) 2001-06-14
CA2393743C CA2393743C (en) 2012-01-03

Family

ID=22619012

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2393743A Expired - Lifetime CA2393743C (en) 1999-12-10 2000-12-08 Apparatus and method for respiratory tract therapy

Country Status (8)

Country Link
US (2) US7314046B2 (en)
EP (1) EP1237614B1 (en)
AT (1) ATE306962T1 (en)
AU (1) AU782579B2 (en)
CA (1) CA2393743C (en)
DE (1) DE60023342T2 (en)
ES (1) ES2251416T3 (en)
WO (1) WO2001041854A2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11129956B2 (en) 2012-04-27 2021-09-28 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
US11324911B2 (en) 2014-06-03 2022-05-10 Fisher & Paykel Healthcare Limited Flow mixers for respiratory therapy systems
US11351332B2 (en) 2016-12-07 2022-06-07 Fisher & Paykel Healthcare Limited Sensing arrangements for medical devices
US11559653B2 (en) 2014-02-07 2023-01-24 Fisher & Paykel Healthcare Limited Respiratory humidification system
US11801360B2 (en) 2013-09-13 2023-10-31 Fisher & Paykel Healthcare Limited Connections for humidification system

Families Citing this family (136)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU776699B2 (en) * 1999-08-23 2004-09-16 Fisher & Paykel Healthcare Limited Humidity controller
ES2251416T3 (en) * 1999-12-10 2006-05-01 Vapotherm, Inc. DEVICE FOR RESPIRATORY TRACT THERAPY.
BR0102116B1 (en) 2000-05-10 2010-09-21 component for a breathing circuit member.
US7559324B2 (en) 2000-06-21 2009-07-14 Fisher & Paykel Healthcare Limited Conduit with heated wick
US6976489B2 (en) 2000-06-30 2005-12-20 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
US7708013B2 (en) * 2000-12-08 2010-05-04 Vapotherm, Inc. Apparatus and method for delivering water vapor to a gas
US20050178383A1 (en) 2002-02-04 2005-08-18 Mackie Scott R. Breathing assistance apparatus
AU2003244171B2 (en) 2002-09-09 2007-11-15 Fisher & Paykel Healthcare Limited Limb for Breathing Circuit
DE10251134A1 (en) * 2002-10-31 2004-05-19 GRÜNDLER GmbH Respirator and method
US7189204B2 (en) * 2002-12-04 2007-03-13 Cardiac Pacemakers, Inc. Sleep detection using an adjustable threshold
EP3108919B1 (en) 2002-12-06 2020-09-09 Fisher & Paykel Healthcare Limited System for delivery of pressurized gases
US7827981B2 (en) * 2003-01-29 2010-11-09 Vapotherm, Inc. Method for reducing the work of breathing
US7493902B2 (en) 2003-05-30 2009-02-24 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US8002553B2 (en) 2003-08-18 2011-08-23 Cardiac Pacemakers, Inc. Sleep quality data collection and evaluation
US7970470B2 (en) * 2003-09-18 2011-06-28 Cardiac Pacemakers, Inc. Diagnosis and/or therapy using blood chemistry/expired gas parameter analysis
US7887493B2 (en) 2003-09-18 2011-02-15 Cardiac Pacemakers, Inc. Implantable device employing movement sensing for detecting sleep-related disorders
US8251061B2 (en) 2003-09-18 2012-08-28 Cardiac Pacemakers, Inc. Methods and systems for control of gas therapy
US7720541B2 (en) 2003-08-18 2010-05-18 Cardiac Pacemakers, Inc. Adaptive therapy for disordered breathing
ATE413902T1 (en) 2003-08-18 2008-11-15 Cardiac Pacemakers Inc PATIENT MONITORING SYSTEM
US7510531B2 (en) 2003-09-18 2009-03-31 Cardiac Pacemakers, Inc. System and method for discrimination of central and obstructive disordered breathing events
US7610094B2 (en) * 2003-09-18 2009-10-27 Cardiac Pacemakers, Inc. Synergistic use of medical devices for detecting medical disorders
US7575553B2 (en) * 2003-09-18 2009-08-18 Cardiac Pacemakers, Inc. Methods and systems for assessing pulmonary disease
US7662101B2 (en) * 2003-09-18 2010-02-16 Cardiac Pacemakers, Inc. Therapy control based on cardiopulmonary status
US20050142070A1 (en) * 2003-09-18 2005-06-30 Hartley Jesse W. Methods and systems for assessing pulmonary disease with drug therapy control
US8606356B2 (en) 2003-09-18 2013-12-10 Cardiac Pacemakers, Inc. Autonomic arousal detection system and method
AU2004203870B2 (en) 2003-09-17 2011-03-03 Fisher & Paykel Healthcare Limited Breathable Respiratory Mask
WO2005079726A1 (en) 2004-02-23 2005-09-01 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US20050217667A1 (en) * 2004-03-30 2005-10-06 Sunil Dhuper Aerosol deliver apparatus IV
EP3936180B1 (en) 2004-04-02 2023-11-29 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US9072852B2 (en) 2004-04-02 2015-07-07 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US20060096596A1 (en) * 2004-11-05 2006-05-11 Occhialini James M Wearable system for positive airway pressure therapy
US7302949B2 (en) * 2004-12-03 2007-12-04 Smiths Medical Asd, Inc. High flow humidifier for delivering heated and humidified breathing gases
US20060201504A1 (en) * 2005-03-08 2006-09-14 Singhal Aneesh B High-flow oxygen delivery system and methods of use thereof
US8534280B2 (en) 2007-11-19 2013-09-17 Aeon Research and Technolgy Inc. Patient interface member for use in an aerosol inhalation system
US7841342B2 (en) * 2005-05-03 2010-11-30 Aeon Research And Technology, Inc. Interface accessory for use with an aerosol inhalation system
US7445006B2 (en) 2005-05-03 2008-11-04 Dhuper Sunil K Aerosol inhalation system and interface accessory for use therewith
US7926484B2 (en) * 2005-05-03 2011-04-19 Aeon Research And Technology, Inc. Interface accessory for use with an aerosol inhalation system
US7870857B2 (en) * 2005-05-23 2011-01-18 Aeon Research And Technology, Inc. Patient interface assemblies for use in ventilator systems to deliver medication to a patient
CN101252966B (en) 2005-05-26 2012-07-18 菲舍尔和佩克尔保健有限公司 Breathing assistance apparatus
US20070045152A1 (en) * 2005-08-01 2007-03-01 Resmed Limited Storage system for an apparatus that delivers breathable gas to a patient
CA2633151C (en) 2005-12-15 2012-05-29 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
WO2007082193A2 (en) * 2006-01-06 2007-07-19 Doreen Cleary Pulmonary rehabilitation providing respiratory assistance by application of positive airway pressure
DE102006006183A1 (en) * 2006-02-10 2007-08-16 Pari GmbH Spezialisten für effektive Inhalation Inhalation therapy device for use in premature babies and toddlers
US8960194B2 (en) * 2006-02-23 2015-02-24 Spacelabs Healthcare Llc Ventilator for rapid response to respiratory disease conditions
US7762006B2 (en) * 2006-06-14 2010-07-27 Siestamed, Technologies Medical equipment drying device
CA2998247A1 (en) 2006-07-14 2008-01-17 Fisher & Paykel Healthcare Limited Breathing assistance apparatus with support member
US20080072899A1 (en) * 2006-09-08 2008-03-27 Vapotherm, Inc. System and method for delivering medications
US20080072903A1 (en) * 2006-09-21 2008-03-27 Gary Roth High flow respirator circuit
CA2668702C (en) 2006-11-06 2015-05-26 Fisher & Paykel Healthcare Limited Integrated humidifier chamber and lid
NL2000309C2 (en) * 2006-11-09 2008-05-13 Indes Holding Bv System for artificial respiration of people.
US20080223375A1 (en) * 2006-11-15 2008-09-18 Vapotherm, Inc. Single nasal prong nasal cannula
US20080221930A1 (en) 2007-03-09 2008-09-11 Spacelabs Medical, Inc. Health data collection tool
EP3871722A1 (en) 2007-07-18 2021-09-01 Vapotherm, Inc. System for delivering a heated and humidified gas
US8905023B2 (en) 2007-10-05 2014-12-09 Vapotherm, Inc. Hyperthermic humidification system
AU2014221224B2 (en) * 2007-10-10 2017-06-08 Parion Sciences, Inc. Delivering osmolytes by nasal cannula
US8551534B2 (en) 2007-10-10 2013-10-08 Parion Sciences, Inc. Inhaled hypertonic saline delivered by a heated nasal cannula
US20090107500A1 (en) * 2007-10-25 2009-04-30 Sequal Technologies, Inc. Portable Oxygen Concentrator System and Method Including Concentrated Oxygen Flow Delivery
US7777635B2 (en) * 2007-10-29 2010-08-17 Smiths Medical Asd, Inc. Power failure management for respiratory system heater unit
US7983542B2 (en) * 2007-10-29 2011-07-19 Smiths Medical Asd, Inc. PID coefficient adjustment for respiratory heater closed loop control
WO2009059359A1 (en) * 2007-11-05 2009-05-14 Resmed Ltd Ventilation system and control thereof
JP2009160265A (en) * 2008-01-08 2009-07-23 Terumo Corp Heart-lung unit and heart-lung apparatus
US10092720B2 (en) * 2008-03-04 2018-10-09 Resmed Limited Unobtrusive interface systems
EP3075406A1 (en) 2008-04-30 2016-10-05 ResMed R&D Germany GmbH Apparatus and method for controlled delivery of a breathing gas to the respiratory tracts of a user
US10258757B2 (en) 2008-05-12 2019-04-16 Fisher & Paykel Healthcare Limited Patient interface and aspects thereof
US10792451B2 (en) 2008-05-12 2020-10-06 Fisher & Paykel Healthcare Limited Patient interface and aspects thereof
EP2130563B1 (en) 2008-06-04 2012-02-15 ResMed Limited Patient interface systems
US8905031B2 (en) 2008-06-04 2014-12-09 Resmed Limited Patient interface systems
NZ618492A (en) 2008-06-05 2015-09-25 Resmed Ltd Treatment of respiratory conditions
US11660413B2 (en) 2008-07-18 2023-05-30 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
EP3632492A1 (en) 2008-09-10 2020-04-08 ResMed Pty Ltd Improved power management in respiratory treatment apparatus
WO2010031125A1 (en) 2008-09-17 2010-03-25 Resmed Ltd Display and controls for a cpap device
US9901700B2 (en) 2008-10-10 2018-02-27 Fisher & Paykel Healthcare Limited Nasal pillows for a patient interface
WO2010084183A2 (en) * 2009-01-22 2010-07-29 Plastiflex Belgium Heated sleeve for respiratory conduit
CN102458544B (en) 2009-06-09 2015-03-18 雷斯平诺维有限公司 Device and methods for applying therapeutic protocols to organs of the cardiopulmonary system
BR112012012147A2 (en) 2009-10-16 2019-09-24 Spacelabs Healthcare Llc improved light flow tube
US9022492B2 (en) 2010-12-17 2015-05-05 Spacelabs Healthcare Llc Sliding track and pivot mounting system for displays on anesthesia machines
US9604020B2 (en) 2009-10-16 2017-03-28 Spacelabs Healthcare Llc Integrated, extendable anesthesia system
US9086313B2 (en) * 2009-10-16 2015-07-21 Spacelabs Healthcare Llc Integrated, extendable anesthesia system
WO2011062510A1 (en) 2009-11-18 2011-05-26 Fisher & Paykel Healthcare Limited Nasal interface
JP6017312B2 (en) 2009-12-22 2016-10-26 フィッシャー アンド ペイケル ヘルスケア リミテッド Medical circuit components
EP2515981B1 (en) 2009-12-23 2021-08-18 Fisher & Paykel Healthcare Limited Patient interface and headgear
EP3503115A3 (en) 2010-03-21 2019-10-23 Spacelabs Healthcare LLC Patient monitoring system
US20110307039A1 (en) * 2010-06-14 2011-12-15 Cornell Thomas H Device, method and system for treatment of sinusitis
AU2011295165B2 (en) 2010-08-23 2015-07-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Humidified particles comprising a therapeutically active substance
US11577035B2 (en) 2010-09-22 2023-02-14 Robert Irving Pratt, JR. Therapeutic vaporizer
JP5920940B2 (en) 2010-09-22 2016-05-18 クローヴァーシールド, インコーポレイテッドClovershield, Inc. Therapeutic vaporizer
US20140158129A1 (en) 2010-09-22 2014-06-12 Clovershield, Inc. Transversely-activated valve for a therapeutic vaporizer bag attachment system
WO2012047121A1 (en) 2010-10-08 2012-04-12 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US9047747B2 (en) 2010-11-19 2015-06-02 Spacelabs Healthcare Llc Dual serial bus interface
US9629566B2 (en) 2011-03-11 2017-04-25 Spacelabs Healthcare Llc Methods and systems to determine multi-parameter managed alarm hierarchy during patient monitoring
US8511651B2 (en) 2011-03-29 2013-08-20 Smiths Medical Asd, Inc. Heater unit humidification chamber monitor
US10603456B2 (en) 2011-04-15 2020-03-31 Fisher & Paykel Healthcare Limited Interface comprising a nasal sealing portion
CN106823090A (en) 2011-04-15 2017-06-13 费雪派克医疗保健有限公司 Interface including wrap-up bridge of the nose part
US8945605B2 (en) 2011-06-07 2015-02-03 Parion Sciences, Inc. Aerosol delivery systems, compositions and methods
CA2838529C (en) 2011-06-07 2020-03-24 Parion Sciences, Inc. Methods of treatment
CN113007106B (en) 2011-07-13 2023-08-11 费雪派克医疗保健有限公司 Impeller and motor assembly
US9302066B2 (en) 2011-09-12 2016-04-05 Resmed Limited Modularized respiratory treatment apparatus
US10105505B2 (en) 2012-01-13 2018-10-23 Respinova Ltd. Means and method for fluid pulses
EP2806931B1 (en) 2012-01-23 2019-04-10 AEON Research and Technology, LLC Modular pulmonary treatment system
CA2869140C (en) 2012-04-05 2021-09-21 Fisher & Paykel Healthcare Limited Breathing assistance apparatus with serviceability features
US9669172B2 (en) 2012-07-05 2017-06-06 Resmed Limited Discreet respiratory therapy system
SG10201700946YA (en) 2012-08-08 2017-03-30 Fisher & Paykel Healthcare Ltd Headgear for patient interface
WO2014038959A1 (en) 2012-09-04 2014-03-13 Fisher & Paykel Healthcare Limited Valsalva mask
US10300236B2 (en) 2012-10-31 2019-05-28 Vapotherm, Inc. Quiet nasal cannula
US9839756B2 (en) 2012-11-27 2017-12-12 Resmed Limited Methods and apparatus for ionization therapy
US9795756B2 (en) 2012-12-04 2017-10-24 Mallinckrodt Hospital Products IP Limited Cannula for minimizing dilution of dosing during nitric oxide delivery
DK2928531T3 (en) 2012-12-04 2017-05-22 Ino Therapeutics Llc CANNEL FOR MINIMIZING DILUTION DOSAGE DURING NITROGEN OXIDE ADMINISTRATION
CN205515844U (en) 2012-12-18 2016-08-31 费雪派克医疗保健有限公司 Breathe auxiliary device and be used for assembly of motor
USD752807S1 (en) 2013-02-19 2016-03-29 1Ready, Llc Therapeutic vaporizer
US10987026B2 (en) 2013-05-30 2021-04-27 Spacelabs Healthcare Llc Capnography module with automatic switching between mainstream and sidestream monitoring
US11395897B1 (en) 2014-06-27 2022-07-26 Orlando Morejon Connector assembly for a medical ventilator system
US10279137B1 (en) 2014-06-27 2019-05-07 Orlando Morejon Connector assembly for a medical ventilator system
JP7117103B2 (en) 2014-08-25 2022-08-12 フィッシャー アンド ペイケル ヘルスケア リミテッド Respirators and related parts, components or subassemblies
US10828452B2 (en) 2014-09-16 2020-11-10 Fisher & Paykel Healthcare Limited Intramold headgear
US10646680B2 (en) 2014-09-19 2020-05-12 Fisher & Paykel Healthcare Limited Headgear assemblies and interface assemblies with headgear
US10101892B2 (en) * 2014-11-13 2018-10-16 Here Global B.V. Method, apparatus and computer program product for providing interactive settings and dependency adjustments
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
CN114177445A (en) 2015-06-24 2022-03-15 费雪派克医疗保健有限公司 Breathing assistance apparatus
USD799691S1 (en) 2015-09-03 2017-10-10 1Ready, Llc Tray for a therapeutic vaporizer
AU2017234346B2 (en) 2016-03-16 2022-06-30 Fisher & Paykel Healthcare Limited Directional lock for interface headgear arrangement
EP3429669B1 (en) 2016-03-16 2022-11-16 Fisher & Paykel Healthcare Limited Method for manufacturing a headgear assembly for a respiratory interface
SG11201807699TA (en) 2016-03-16 2018-10-30 Fisher & Paykel Healthcare Ltd Strap assembly, strap connector, headgear, headgear assembly, method of forming headgear, tubular connector, patient interface and method of joining straps
USD882066S1 (en) 2016-05-13 2020-04-21 Fisher & Paykel Healthcare Limited Frame for a breathing mask
AU2017341838A1 (en) 2016-10-14 2019-05-02 Vapotherm, Inc. Systems and methods for high velocity nasal insufflation
WO2018081872A1 (en) 2016-11-07 2018-05-11 Resmed Limited Conduit for respiratory therapy apparatus
EP3537961A1 (en) 2016-11-10 2019-09-18 The Research Foundation for The State University of New York System, method and biomarkers for airway obstruction
USD823454S1 (en) 2017-02-23 2018-07-17 Fisher & Paykel Healthcare Limited Cushion assembly for breathing mask assembly
USD823455S1 (en) 2017-02-23 2018-07-17 Fisher & Paykel Healthcare Limited Cushion assembly for breathing mask assembly
USD824020S1 (en) 2017-02-23 2018-07-24 Fisher & Paykel Healthcare Limited Cushion assembly for breathing mask assembly
CN114288513A (en) 2017-04-23 2022-04-08 费雪派克医疗保健有限公司 Breathing assistance apparatus
CN117618719A (en) 2018-03-16 2024-03-01 费雪派克医疗保健有限公司 Headgear with lock-release engagement mechanism
CN112203707B (en) * 2018-08-17 2023-12-12 深圳迈瑞生物医疗电子股份有限公司 Ventilation equipment
CN110870762B (en) * 2019-06-27 2022-03-29 上海慧敏医疗器械有限公司 Nasal cavity resonance rehabilitation instrument and method based on nasal flow measurement and audio-visual feedback technology
DE102020120036A1 (en) 2020-07-29 2022-02-03 Karl-Herbert Gruber Method of operating a heating device, system for use in controlled respiratory hyperthermia treatment and software program product
DE102021111850A1 (en) 2021-05-06 2022-11-10 Won Young Lee mask

Family Cites Families (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19910441C1 (en) * 1999-03-10 2000-06-21 Fraunhofer Ges Forschung Air humidifier comprises membrane contactor which has at least one tube membrane embedded in hydrophile porous body of ceramic, polymer or fabric preferably of porous thread material with hydrophilic surface
US1911157A (en) * 1927-12-28 1933-05-23 Union Drawn Steel Company Mechanism for drawing metal
US3491754A (en) 1965-04-20 1970-01-27 Harry Swartz Methods and apparatus for facilitating respiration
US3638926A (en) * 1967-09-27 1972-02-01 Alfred W Melville Humidification
US3616796A (en) * 1969-06-30 1971-11-02 Richard Robert Jackson Humidified respiratory tube and method
BE792243A (en) 1971-12-23 1973-03-30 Baxter Laboratories Inc BUBBLE TRAP FOR THE REMOVAL OF BUBBLES FROM A BIOLOGICAL FLUID UNDER STERILITY CONDITIONS
US3864440A (en) 1972-01-21 1975-02-04 Respiratory Care Humidifier and heater for delivered gas
US4026285A (en) 1972-04-05 1977-05-31 Jackson Richard R Humidifier for air to be inhaled
US3778983A (en) * 1972-08-30 1973-12-18 Avco Corp Integral multichannel separator
US3912795A (en) * 1972-10-30 1975-10-14 Richard R Jackson Humidifying gas
US3871373A (en) * 1972-10-30 1975-03-18 Richard R Jackson Humidifying gas
CH570194A5 (en) 1974-04-19 1975-12-15 Carba Ag
US3923057A (en) 1974-06-20 1975-12-02 Einstein Coll Med Anesthesia delivery system
US4110419A (en) 1975-04-18 1978-08-29 Respiratory Care, Inc. High-volume disposable and semi-disposable cartridge humidifier with self-contained cartridge sterilizing means, and related method
DE2522102C3 (en) 1975-05-17 1978-05-03 Draegerwerk Ag, 2400 Luebeck Breathing air humidifiers for respiratory devices
FR2331088A1 (en) * 1975-11-05 1977-06-03 Clin Midy FLOW REGULATOR ESPECIALLY FOR INFUSION
GB1589403A (en) 1976-12-20 1981-05-13 Data Medical Ltd Incubator openings
DE2702674C3 (en) * 1977-01-24 1981-02-12 Draegerwerk Ag, 2400 Luebeck Respiratory gas humidifier
IL52690A (en) 1977-08-09 1982-03-31 Yeda Res & Dev Apparatus for controlled heating of the nasal passages
US4134940A (en) 1977-10-25 1979-01-16 Aerwey Laboratories, Inc. Humidifier adapter with audio relief valve
US4204535A (en) 1977-12-12 1980-05-27 Charles Pohlmann Lightweight resuscitator assembly
DE2964203D1 (en) * 1978-07-12 1983-01-13 Jackson Richard R Nested hollow fiber humidifier
US4232667A (en) 1978-09-05 1980-11-11 Jack Chalon Single limb breathing circuit assembly and absorber
US4249527A (en) 1979-02-09 1981-02-10 Case Western Reserve University Continuous positive airway pressure administrating apparatus
US4324238A (en) 1979-02-28 1982-04-13 Abbott Laboratories Equipment sets having a combined air barrier and liquid sequencing device for the sequential administration of medical liquids at dual flow rates
US4372306A (en) 1979-02-28 1983-02-08 Abbott Laboratories Equipment sets having a combined air barrier and liquid sequencing device for the sequential administration of medical liquids at dual flow rates
US4338267A (en) 1979-08-23 1982-07-06 Becton, Dickinson And Company Medical gas humidifier with audible pressure relief valve and method of use
DE3115299C2 (en) 1981-04-15 1984-08-16 Fresenius AG, 6380 Bad Homburg Drip chamber
US4463755A (en) 1981-05-18 1984-08-07 Terumo Corporation Breathing circuit
US4350647A (en) 1981-06-19 1982-09-21 Respiratory Care, Inc. Permanent adapter for a medical humidifier
US4632677A (en) 1981-10-27 1986-12-30 Blackmer Richard H High humidity oxygen enricher apparatus
US4481944A (en) 1981-11-19 1984-11-13 Bunnell Life Systems, Inc. Apparatus and method for assisting respiration
US4495944A (en) * 1983-02-07 1985-01-29 Trutek Research, Inc. Inhalation therapy apparatus
US4682010A (en) 1983-03-07 1987-07-21 Safeway Products, Inc. In-line electric heater for an aerosol delivery system
US4708931A (en) * 1984-06-01 1987-11-24 Regents Of University Of California Laminated rod having alternating detection and spacer layers for binding assays
US4621633A (en) 1984-09-10 1986-11-11 Bowles Dale D Heated oxygen system and portable equipment case for hypothermia victims
JPS62501265A (en) * 1984-10-09 1987-05-21 オキシジン　インリツチメント　カンパニ−　リミテツド Methods and devices for airway treatment
US4773410A (en) 1984-10-09 1988-09-27 Transpirator Technologies, Inc. Method and apparatus for the treatment of the respiratory track with vapor-phase water
US4527557A (en) * 1984-11-01 1985-07-09 Bear Medical Systems, Inc. Medical ventilator system
GB2173274B (en) 1985-04-04 1989-02-01 Boc Group Plc Improvements in inhalation apparatus
AU581986B2 (en) * 1985-05-22 1989-03-09 Fisher & Paykel Healthcare Limited Improvements in or relating to methods of and/or apparatus for humidifying gases
US4955372A (en) 1985-07-16 1990-09-11 Transpirator Technologies, Inc. Method and apparatus for pulmonary and cardiovascular conditioning of racehorses and competition animals
US4953546A (en) 1985-07-16 1990-09-04 Transpirator Technologies, Inc. Method and apparatus for pulmonary and cariovascular conditioning of the young of large animals
US4722334A (en) 1985-07-16 1988-02-02 Transpirator Technologies, Inc. Method and apparatus for pulmonary and cardiovascular conditioning of racehorses and competition animals
DE3716653A1 (en) 1987-05-19 1988-12-08 Draegerwerk Ag MATERIAL EXCHANGE SYSTEM, IN PARTICULAR FOR HUMIDIFICATION OF GASES
US5239586A (en) * 1987-05-29 1993-08-24 Kabushiki Kaisha Toshiba Voice recognition system used in telephone apparatus
US4911157A (en) 1988-01-07 1990-03-27 Pegasus Research Corporation Self-regulating, heated nebulizer system
US4886055A (en) 1988-01-22 1989-12-12 Hoppough John M Nebulizer device
US4829998A (en) 1988-02-25 1989-05-16 Jackson Richard R Delivering breathable gas
US4883455A (en) * 1988-09-13 1989-11-28 Minnesota Mining And Manufacturing Company Cardioplegia administration set
NZ226784A (en) * 1988-09-29 1992-10-28 Fisher & Paykel Gas humidifier with microporous wall
US4967744A (en) 1988-11-03 1990-11-06 Airoflex Medical, Inc. Flexible breathing circuit
US5101820A (en) 1989-11-02 1992-04-07 Christopher Kent L Apparatus for high continuous flow augmentation of ventilation and method therefor
US5063994A (en) 1990-06-26 1991-11-12 Level 1 Technologies, Inc. Reflux fluid heated patient line
NO904226D0 (en) 1990-09-28 1990-09-28 Forsvarets Forsknings MOISTURE DEVICES.
US5394867A (en) * 1991-06-05 1995-03-07 Brookdale International Systems Inc. Personal disposable emergency breathing system with dual air supply
SE502103C2 (en) 1991-08-01 1995-08-14 Gambro Dialysatoren Filter unit for transfer of pulp and / or heat containing cavity fibers
US5396884A (en) 1991-11-15 1995-03-14 Cimco, Inc. High flow rate humidifier with baffle plates
US5218833A (en) 1992-03-11 1993-06-15 Bend Research, Inc. Temperature and humidity control in a closed chamber
US5349946A (en) 1992-10-07 1994-09-27 Mccomb R Carter Microprocessor controlled flow regulated molecular humidifier
US5348691A (en) 1993-06-11 1994-09-20 United Technologies Corporation Atmosphere membrane humidifier and method and system for producing humidified air
US5392770A (en) * 1993-06-29 1995-02-28 Clawson; Burrell E. Tubing circuit systems for humidified respiratory gas
US6604523B2 (en) * 1993-11-09 2003-08-12 Cprx Llc Apparatus and methods for enhancing cardiopulmonary blood flow and ventilation
GB2284356B (en) * 1993-11-22 1997-10-29 Fisher & Paykel Respiratory humidifier conduit
ES2228992T3 (en) * 1994-10-14 2005-04-16 Bird Products Corporation EXHAUST VALVE WITH FLOW TRANSDUCER.
US5643191A (en) * 1995-01-26 1997-07-01 Sorin Biomedical Inc. Cardioplegia delivery system and method for converting from warm cardioplegia to cold cardioplegia
GB9503012D0 (en) * 1995-02-16 1995-04-05 Smiths Industries Plc Humidifier systems
JPH08266631A (en) 1995-03-31 1996-10-15 Asahi Glass Co Ltd Humidifier of gas for breathing
DE19515739C2 (en) 1995-05-03 1997-09-11 Holger Krohn Method and device for generating health-friendly breathing air in nasal positive pressure respirators
US5617847A (en) * 1995-10-12 1997-04-08 Howe; Stephen L. Assisted breathing apparatus and tubing therefore
DE19621541C1 (en) 1996-05-29 1997-04-10 Draegerwerk Ag Respirator machine humidifier with hollow fibre membrane
JPH1028737A (en) * 1996-07-16 1998-02-03 Metoran:Kk Humidification adjusting unit and humidifier for artificial respirator and manufacture of humidification adjusting unit
US5890490A (en) 1996-11-29 1999-04-06 Aylsworth; Alonzo C. Therapeutic gas flow monitoring system
CA2222830C (en) 1996-12-02 2004-03-30 Fisher & Paykel Limited Humidifier sleep apnea treatment apparatus
US6457472B1 (en) 1996-12-12 2002-10-01 The Johns Hopkins University Method and apparatus for providing ventilatory support to a patient
US20040221844A1 (en) * 1997-06-17 2004-11-11 Hunt Peter John Humidity controller
US6009908A (en) * 1997-10-30 2000-01-04 Chrysler Corporation Tube assembly for auxiliary heating and air conditioning system
DE19808590C2 (en) * 1998-02-28 2003-03-20 Draeger Medical Ag respiratory humidifier
US6510848B1 (en) * 1998-04-22 2003-01-28 Mallinckrodt, Inc. Disposable active humidifier for the mechanical ventilation of a patient
FR2782012B1 (en) * 1998-08-05 2000-12-08 Georges Boussignac DEVICE FOR BREATHING ASSISTANCE
US6383671B1 (en) * 1998-09-08 2002-05-07 Lynntech, Inc. Gas humidification device for operation testing and evaluation of fuel cells
ES2251416T3 (en) 1999-12-10 2006-05-01 Vapotherm, Inc. DEVICE FOR RESPIRATORY TRACT THERAPY.
US6653012B2 (en) 2000-01-19 2003-11-25 Honda Giken Kogyo Kabushiki Kaisha Humidifier
WO2001076658A2 (en) 2000-04-05 2001-10-18 Deroyal Industries, Inc. Neo-natal oxygen delivery system
US20010035185A1 (en) 2000-04-26 2001-11-01 Christopher Kent L. Method and apparatus for pharyngeal augmentation of ventilation
US6457471B1 (en) * 2000-06-30 2002-10-01 Medihale Ltd. Dual-purpose medical device for upper airway treatment and methods for using same
US6976489B2 (en) * 2000-06-30 2005-12-20 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
ITMI20011073A1 (en) * 2001-05-22 2002-11-22 Mallinckrodt Holding Bv DEVICE TO INCREASE THE HUMIDIFICATION OF THE AIR FLOW BREATHED BY A PATIENT
US20050178383A1 (en) 2002-02-04 2005-08-18 Mackie Scott R. Breathing assistance apparatus
US6786475B2 (en) 2002-05-17 2004-09-07 Salter Labs Bubble humidifier with improved diffuser and pressure relief device
US6988497B2 (en) * 2002-09-18 2006-01-24 Medex Cardio-Pulmonary, Inc. Apparatus for equalizing air pressure in air respiratory system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11129956B2 (en) 2012-04-27 2021-09-28 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
US11878093B2 (en) 2012-04-27 2024-01-23 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
US11801360B2 (en) 2013-09-13 2023-10-31 Fisher & Paykel Healthcare Limited Connections for humidification system
US11559653B2 (en) 2014-02-07 2023-01-24 Fisher & Paykel Healthcare Limited Respiratory humidification system
US11324911B2 (en) 2014-06-03 2022-05-10 Fisher & Paykel Healthcare Limited Flow mixers for respiratory therapy systems
US11712536B2 (en) 2014-06-03 2023-08-01 Fisher & Paykel Healthcare Limited Flow mixers for respiratory therapy systems
US11351332B2 (en) 2016-12-07 2022-06-07 Fisher & Paykel Healthcare Limited Sensing arrangements for medical devices

Also Published As

Publication number Publication date
DE60023342T2 (en) 2006-07-27
US7314046B2 (en) 2008-01-01
WO2001041854A2 (en) 2001-06-14
US20080289631A1 (en) 2008-11-27
WO2001041854A9 (en) 2002-12-05
EP1237614A2 (en) 2002-09-11
CA2393743C (en) 2012-01-03
ES2251416T3 (en) 2006-05-01
ATE306962T1 (en) 2005-11-15
AU2075501A (en) 2001-06-18
WO2001041854A3 (en) 2002-02-21
AU782579B2 (en) 2005-08-11
DE60023342D1 (en) 2005-11-24
EP1237614B1 (en) 2005-10-19
US20030209246A1 (en) 2003-11-13

Similar Documents

Publication Publication Date Title
CA2393743A1 (en) Apparatus and method for respiratory tract therapy
CN101325979B (en) Breathing assistance apparatus
US5119807A (en) Pressurized medical ventilation system
EP0854737B1 (en) Self-cleaning endotracheal tube apparatus
US7814907B2 (en) System for sensing the delivery of gases to a patient
US6269813B1 (en) Tracheal gas insufflation bypass and phasic delivery system and method
US5653231A (en) Tracheostomy length single use suction catheter
EP3409314B1 (en) Aerosol delivery device
US7320324B2 (en) Bronchoscopy oxygenation system
US20210196920A1 (en) Cough-assist systems with humidifier bypass
AU2005234742A1 (en) High flow humidifier for delivering heated and humidified breathing gases
PT1478424E (en) Heat and moisture exchanger adapter for closed suction catheter assembly and system having improved catheter cleaning
RU2663787C2 (en) Gas flow reversing element with bypass and method for controlling expiration of a patient
US20200121872A1 (en) System for assisting breathing and a patient set therefor
CN109248365A (en) Respiratory therapy coagulation adapter
JP2011502019A (en) Fan unit with bypass vent
US8001966B1 (en) Continuous positive airway supply system to nasal cannula
EP3750584B1 (en) Active and passive humidification device for mounting in a patient ventilation circuit
NL1037371C2 (en) METHOD AND DEVICE FOR REMOVING ANESTHESIA AGENTS FROM BREATHING GAS
CN213252237U (en) Nasal catheter capable of automatically adjusting oxygen flow
CN112156291A (en) Mouth suction type atomizer
CN216319376U (en) Multifunctional trachea splicing and converting device
CN217960914U (en) Autogenous cutting face guard with air flue humidifying function
US20210093848A1 (en) Adaptors for Removal of Debris and Fluids from Ventilator Circuits
CN214713733U (en) Portable atomizer for respiratory medicine

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20201208