CA2406185A1 - Aerosol delivery apparatus with positive expiratory pressure capacity - Google Patents

Aerosol delivery apparatus with positive expiratory pressure capacity Download PDF

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Publication number
CA2406185A1
CA2406185A1 CA002406185A CA2406185A CA2406185A1 CA 2406185 A1 CA2406185 A1 CA 2406185A1 CA 002406185 A CA002406185 A CA 002406185A CA 2406185 A CA2406185 A CA 2406185A CA 2406185 A1 CA2406185 A1 CA 2406185A1
Authority
CA
Canada
Prior art keywords
valve
exhalation
system interface
patient respiratory
respiratory system
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
CA002406185A
Other languages
French (fr)
Other versions
CA2406185C (en
Inventor
James N. Schmidt
Richard Blacker
Daniel K. Engelbreth
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.)
Trudell Medical International
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
Priority to CA2733850A priority Critical patent/CA2733850C/en
Publication of CA2406185A1 publication Critical patent/CA2406185A1/en
Application granted granted Critical
Publication of CA2406185C publication Critical patent/CA2406185C/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
    • A61M15/00—Inhalators
    • A61M15/0086—Inhalation chambers
    • 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
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/0013—Details of inhalators; Constructional features thereof with inhalation check valves
    • A61M15/0016—Details of inhalators; Constructional features thereof with inhalation check valves located downstream of the dispenser, i.e. traversed by the product
    • 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
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/0018—Details of inhalators; Constructional features thereof with exhalation check valves
    • 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
    • A61M16/0858—Pressure sampling ports
    • 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
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/208—Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/18—Exercising apparatus specially adapted for particular parts of the body for improving respiratory function
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2208/00—Characteristics or parameters related to the user or player
    • A63B2208/12—Characteristics or parameters related to the user or player specially adapted for children

Abstract

An apparatus and method for performing positive pressure (PP) therapy alone or in combination with an aerosol delivery apparatus. The positive pressure apparatus includes a positive pressure valve having a continuously variable respiratory window. The PP valve may be associated with a patient respiratory system interface alone, such as, but not limited to, a mask or mouthpiece, or in combination with an aerosol delivery apparatus.

Claims (32)

1. A positive respiratory pressure apparatus comprising:
a patient respiratory system interface; and a valve assembly in fluid communication with the patient respiratory system interface, the valve assembly comprising:
a valve configured to pass a fluid traveling in a predetermined direction from a first side to a second side of the valve; and a variable resistance bypass window positioned adjacent the valve and having a resistance to a fluid traveling in a direction opposed to the predetermined direction, wherein the variable resistance bypass window is continuously adjustable between a first fluid resistance and a second fluid resistance.
2. The apparatus of claim 1, wherein the valve comprises a one-way inhalation valve portion, the one-way inhalation valve portion providing an inhalation path and preventing exhalation along the inhalation path.
3. The apparatus of claim 2, wherein the valve further comprises a one-way exhalation valve portion, the one-way exhalation valve portion providing an exhalation path and preventing inhalation along the exhalation path, wherein the exhalation path is different than the inhalation path.
4. The apparatus of claim 3, wherein the valve comprises a duck-bill valve comprising an open central region and a central valve member, wherein the open central region and the central valve member define the inhalation path, and wherein the duck-bill valve further comprises a peripheral exhalation flange defining the exhalation path.
5. The apparatus of claim 1, wherein the valve comprises a one-way valve.
6. The apparatus of claim 1, wherein the valve comprises a one-way inhalation valve.
7. The apparatus of claim 1, wherein the valve comprises a one-way exhalation valve.
8. The apparatus of claim 1, wherein the fluid traveling in the predetermined direction comprises inhaled gas.
9. The apparatus of claim 1, wherein the fluid traveling in the predetermined direction comprises exhaled gas.
10. The apparatus of claim 1, wherein the patient respiratory system interface comprises a mouthpiece.
11. The apparatus of claim 1, wherein the patient respiratory interface comprises a mask.
12. The apparatus of claim 1, wherein the valve comprises an annular valve.
13. The apparatus of claim 1, wherein the valve comprises a duck-bill valve.
14. The apparatus of claim 1, wherein the variable resistance bypass window comprises first and second overlapping apertures continuously positionable relative to one another between a first position, where the first and second overlapping apertures align to provide a maximum opening between the patient respiratory system interface and ambient air outside of the patient respiratory system interface, and a second position, where the first and second apertures cooperate to provide a minimum opening between the patient respiratory system interface and ambient air outside of the patient respiratory system interface.
15. The apparatus of claim 14 wherein the first overlapping aperture comprises a fixed opening in the patient respiratory system interface that is fixed relative to the patient respiratory system interface and the second overlapping aperture comprises a movable control portion defining a movable opening that is continuously adjustable to overlap with the fixed opening.
16. The apparatus of claim 15, wherein the fixed opening is positioned over the movable opening.
17. The apparatus of claim 15, wherein the fixed opening is positioned beneath the movable opening.
18. The apparatus of claim 14, wherein the valve is positioned to permit inhalation and restrict exhalation, wherein an exhalation flows through the variable resistance bypass window.
19. The apparatus of claim 16, wherein the fixed opening comprises an opening in a circular wall formed in the patient respiratory interface, and the control portion comprises a strip of material movably positioned adjacent the opening in the circular wall.
20. The apparatus of claim 19, wherein the movable opening defined by the strip of material comprises a variable height portion of the strip of material, the variable height portion having a continuously sloping height ranging from a first height that is at least as high as a height of the circular wall, to a second height that is less than the height of the circular wall.
21. The apparatus of claim 20, wherein the strip of material is an arcuate strip of material.
22. The apparatus of claim 19, wherein the movable opening defined by the strip of material comprises a variable width opening in at least a portion of the strip of material, the variable width opening having a continuously changing width from a first position to a second position along a length of the strip.
23. The apparatus of claim 22, wherein the strip of material is an arcuate strip of material.
24. The apparatus of claim 1, wherein the valve comprises a one-way inhalation valve, and wherein the apparatus further comprises a discrete one-way exhalation valve mounted independently of the one-way inhalation valve.
25. A positive respiratory pressure apparatus comprising:
a patient respiratory system interface;
an aerosol delivery apparatus in fluid communication with the patient respiratory system interface; and a valve assembly in fluid communication with the patient respiratory system interface, the valve assembly comprising:

a valve configured to pass a fluid traveling in a predetermined direction from a first side to a second side of the valve; and a variable resistance bypass window positioned adjacent the valve and having a resistance to a fluid traveling in a direction opposed to the predetermined direction, wherein the variable resistance bypass window is continuously adjustable between a first fluid resistance and a second fluid resistance.
26. The apparatus of claim 25, wherein the valve assembly is in fluid communication with both the patient respiratory system interface and the aerosol delivery apparatus.
27. The apparatus of claim 25, wherein the aerosol delivery apparatus comprises a nebulizer.
28. The apparatus of claim 25, wherein the aerosol delivery apparatus comprises a metered dose inhaler.
29. The apparatus of claim 25, wherein the aerosol delivery apparatus comprises an aerosol holding chamber.
30. The apparatus of claim 25, wherein the valve comprises a one-way valve and is positioned between the aerosol chamber and the patient respiratory system interface to permit inhalation through the aerosol chamber and prevent exhalation through the aerosol holding chamber.
31. The apparatus of claim 30, wherein the one-way valve comprises a duck-bill valve.
32. A method of performing positive expiratory pressure therapy in combination with providing an aerosolized medicament, the method comprising:

providing a positive expiratory pressure apparatus, the positive expiratory pressure apparatus comprising a positive expiratory pressure valve having a continuously variable resistance exhalation window, where the valve is positionable in a mouthpiece attached with an aerosol holding chamber;

performing a series of therapeutic breaths, comprising inhalation and exhalation, wherein exhalant is directed through the continuously variable resistance window;

providing a variable back pressure to the exhalant with the continuously variable resistance window;

triggering the loosening of sections with a therapeutic cough; and inhaling an aerosolized medicament from the aerosol holding chamber.
CA2406185A 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity Expired - Lifetime CA2406185C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2733850A CA2733850C (en) 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19655500P 2000-04-11 2000-04-11
US60/196,555 2000-04-11
PCT/IB2001/000599 WO2001076671A2 (en) 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2733850A Division CA2733850C (en) 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity

Publications (2)

Publication Number Publication Date
CA2406185A1 true CA2406185A1 (en) 2001-10-18
CA2406185C CA2406185C (en) 2011-03-15

Family

ID=22725866

Family Applications (4)

Application Number Title Priority Date Filing Date
CA2733850A Expired - Lifetime CA2733850C (en) 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity
CA2919286A Abandoned CA2919286A1 (en) 2000-04-11 2001-04-11 Respiratory apparatus
CA2826724A Expired - Lifetime CA2826724C (en) 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity
CA2406185A Expired - Lifetime CA2406185C (en) 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CA2733850A Expired - Lifetime CA2733850C (en) 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity
CA2919286A Abandoned CA2919286A1 (en) 2000-04-11 2001-04-11 Respiratory apparatus
CA2826724A Expired - Lifetime CA2826724C (en) 2000-04-11 2001-04-11 Aerosol delivery apparatus with positive expiratory pressure capacity

Country Status (6)

Country Link
US (5) US6557549B2 (en)
EP (1) EP1272243B1 (en)
AU (1) AU4867001A (en)
CA (4) CA2733850C (en)
DE (1) DE60114393T2 (en)
WO (1) WO2001076671A2 (en)

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CA2733850C (en) 2013-10-22
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USRE43174E1 (en) 2012-02-14
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CA2826724A1 (en) 2001-10-18
USRE46050E1 (en) 2016-07-05
US20030226562A1 (en) 2003-12-11
US6848443B2 (en) 2005-02-01
USRE45068E1 (en) 2014-08-12
WO2001076671A2 (en) 2001-10-18
US20020029779A1 (en) 2002-03-14
DE60114393T2 (en) 2006-04-27
US6557549B2 (en) 2003-05-06
WO2001076671A3 (en) 2002-04-04
DE60114393D1 (en) 2005-12-01
EP1272243B1 (en) 2005-10-26
CA2406185C (en) 2011-03-15

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