CA2486566A1 - Visual indicator for an aerosol medication delivery apparatus and system - Google Patents

Visual indicator for an aerosol medication delivery apparatus and system Download PDF

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Publication number
CA2486566A1
CA2486566A1 CA002486566A CA2486566A CA2486566A1 CA 2486566 A1 CA2486566 A1 CA 2486566A1 CA 002486566 A CA002486566 A CA 002486566A CA 2486566 A CA2486566 A CA 2486566A CA 2486566 A1 CA2486566 A1 CA 2486566A1
Authority
CA
Canada
Prior art keywords
delivery system
substance
flow
chamber
path
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
CA002486566A
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French (fr)
Other versions
CA2486566C (en
Inventor
Sarah Bruce
James N. Schmidt
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
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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
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Application filed by Individual filed Critical Individual
Priority to CA2776659A priority Critical patent/CA2776659C/en
Publication of CA2486566A1 publication Critical patent/CA2486566A1/en
Application granted granted Critical
Publication of CA2486566C publication Critical patent/CA2486566C/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
    • A61M15/009—Inhalators using medicine packages with incorporated spraying means, e.g. aerosol cans
    • 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
    • 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
    • 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
    • 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
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • 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
    • 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
    • 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
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
    • 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
    • A61M2207/00—Methods of manufacture, assembly or production
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Abstract

A flow indicating system that includes a conduit (102) that contains a substance, wherein the conduit defines a path along which the substance primarily flows and a viewing port (154) attached to the conduit and the viewing port prevents substantially non-ambient atmosphere gases and substances from escaping therefrom and allows visualization of an internal space defined by the viewing port. A flow indicator (138) that is positioned within the conduit so as to be viewed via the viewing port and is positioned so as to not to substantially interfere with a flow of the substance along t he path.

Claims (50)

1. A delivery system comprising:
a chamber that contains a substance in an interior volume of space formed within said chamber;
an opening that receives said substance located in said volume of space and introduces said substance to a downstream path upon which said substance primarily flows along;
an interface that receives said substance from said opening, said interface comprising a viewing port that prevents substantially non-ambient atmosphere gases and substances from escaping therefrom and allows visualization of an internal portion of said interface; and a flow indicator that is positioned within said interface so as to be viewed via said viewing port and is positioned so as to not substantially interfere with a flow of said substance along said path.
2. The delivery system of claim 1, wherein said chamber is in fluid communication with a source of said substance.
3. The delivery system of claim 2, wherein said source is a pMDI
canister.
4. The delivery system of claim 3, wherein said chamber receives said pMDI canister so as to be integrated thereto.
5. The delivery system of claim 3, wherein said chamber is a holding chamber.
6. The delivery system of claim 1, wherein said substance is a dry powder.
7. The delivery system of claim 1, wherein said substance is a liquid.
8. The delivery system of claim 1, further comprising a valve positioned downstream of said opening so as to receive said substance along said path.
9. The delivery system of claim 8, wherein said flow indicator is attached to said valve.
10. The delivery system of claim 8, wherein said valve comprises a duckbill valve.
11. The delivery system of claim 1, further comprising a retaining disc positioned downstream of said opening so as to receive said substance along said path.
12. The delivery system of claim 11, wherein said retaining disc comprises:
an annular ring that surrounds a second opening;
a portion positioned within said second opening; and an appendage that connects said annular ring to said portion.
13. The delivery system of claim 8, further comprising a retaining disc attached to said valve and positioned downstream of said opening so as to receive said substance along said path.
14. The delivery system of claim 13, wherein said retaining disc comprises:
an annular ring that surrounds a second opening;
a portion positioned within said second opening; and an appendage that connects said annular ring to said portion.
15. The delivery system of claim 1, wherein said flow indicator moves from a first position when no external pressure is applied to said substance flowing along said path to a second position when an external pressure is applied to said substance flowing along said path.
16. The delivery system of claim 1, wherein said interface further comprises a mask that receives said substance from said interior volume of said chamber.
17. The delivery system of claim 15, wherein said interface further comprises a mask that receives said substance from said interior volume of said chamber, said mask comprising an exit port wherein exhaled gases substantially flows through said exit port when said external pressure is applied.
18. The delivery system of claim 1, wherein said chamber is coupled to said interface.
19. The delivery system of claim 18, wherein said chamber comprises an engagement tab that is received within a slot of said interface.
20. A delivery system comprising:
a chamber means for introducing a substance to a downstream path upon which said substance primarily flows;
an interface means for receiving said substance from said chamber means, said interface means comprising a viewing port means for allowing visualization of an internal portion of said interface means; and a flow indicator means for being viewed and for not substantially interfering with a flow of said substance along said path.
21. The delivery system of claim 20, wherein said chamber means is in fluid communication with a source means for supplying said substance to said chamber means.
22. The delivery system of claim 20, wherein said substance is a dry powder.
23. The delivery system of claim 20, wherein said substance is a liquid.
24. The delivery system of claim 20, further comprising a valve means for receiving said substance along said path.
25. The delivery system of claim 20, further comprising a retaining disc means for receiving said substance along said path.
26. The delivery system of claim 20, wherein said interface means further comprises a mask means for receiving said substance from said chamber means.
27. A method of determining whether a patient is inhaling or exhaling when using a delivery system, said method comprising:
dispensing a substance located within an interior volume of a delivery system so that said substance will primarily flow along a path within said delivery system after being dispensed;
observing a position of a flow indicator located within said delivery system and located so as not to substantially interfere with said substance flowing along said path; and determining whether a user of said delivery system is inhaling from said delivery system based on said observed position of said flow indicator.
28. A flow indicating system comprising:
a conduit adapted to contain a substance, wherein said conduit defines a flow path along which the substance is adapted to primarily flow;
a viewing port connected to said conduit, said viewing port adapted to prevent substantially non-ambient atmosphere gases and substances from escaping therefrom, wherein said viewing port allows visualization of an internal space defined by said viewing port; and a flow indicator positioned within and visible through said viewing port, wherein said flow indicator is positioned substantially outside of said flow path.
29. The flow indicating system of claim 28 further comprising:
an attachment collar connected to said conduit;
a transition piece attached to said attachment collar;
said viewing port connected to one of said attachment collar and said transition piece; and an exit port attached to said transition piece, wherein said transition piece and said exit port define at least in part said flow path.
30. The flow indicating system of claim 28, wherein said viewing port is made of a clear material.
31. The flow indicating system of claim 29, wherein a slot is formed in said attachment collar.
32. The flow indicating system of claim 28, wherein said flow indicator is attached to a valve.
33. The flow indicating system of claim 32, wherein said valve comprises a duckbill valve.
34. The flow indicating system of claim 28, wherein said visual flow indicator moves from a first position when said substance flows along said path to a second position when no substance flows along said path.
35. A delivery system comprising:
a chamber having an interior volume of space formed within said chamber and an opening communicating with said interior volume and defining at least in part a flow path;
an interface communicating with said opening;
a viewing port connected to at least one of said interface and said chamber, wherein at least a portion of said viewing port is see-through; and a flow indicator positioned within said viewing port and visible through said see-through portion of said viewing port, wherein said flow indicator is positioned substantially outside of said flow path and is moveable between at least an at-rest position and an inhalation position in response to an inhalation pressure being applied thereto, wherein said flow indicator is biased toward said at-rest position in the absence of the inhalation pressure.
36. The delivery system of claim 35 further comprising a stop member, wherein said flow indicator engages said stop member when in said at-rest position.
37. The delivery system of claim 36 further comprising a sealing surface, wherein said flow indicator engages said sealing surface when in said inhalation position.
38. The delivery system of claim 36 wherein said flow indicator is pivoted between about 25 degrees and about 45 degrees between said at-rest position and said inhalation position.
39. The delivery system of claim 36 wherein said flow indicator is in said at-rest position when no external pressure is applied thereto and wherein said flow indicator is in said inhalation position when an external pressure is applied thereto.
40. The delivery system of claim 35 wherein said chamber is a holding chamber.
41. The delivery system of claim 35 further comprising a valve positioned downstream of said opening.
42. The delivery system of claim 41 wherein said flow indicator is attached to said valve.
43. The delivery system of claim 41 wherein said valve comprises a duckbill valve.
44. The delivery system of claim 35 further comprising a baffle member positioned adjacent said opening with at least a portion of said baffle member being positioned in said flow path.
45. The delivery system of claim 44 wherein said baffle member comprises an annular ring and a central portion positioned within said flow path and connected to said annular ring with at least one appendage.
46. The delivery system of claim 35 wherein said interface further comprises a mask.
47. The delivery system of claim 46 wherein said mask comprises an exit port.
48. The delivery system of claim 35 wherein said chamber is coupled to said interface.
49. The delivery system of claim 48 wherein said chamber comprises an engagement tab that is received within a slot formed in said interface.
50. The delivery system of claim 35 wherein said interface is made of clear plastic.
CA2486566A 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system Expired - Lifetime CA2486566C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2776659A CA2776659C (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US38222702P 2002-05-21 2002-05-21
US60/382,227 2002-05-21
US10/431,325 2003-05-07
US10/431,325 US6904908B2 (en) 2002-05-21 2003-05-07 Visual indicator for an aerosol medication delivery apparatus and system
PCT/IB2003/001904 WO2003097142A1 (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2776659A Division CA2776659C (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system

Publications (2)

Publication Number Publication Date
CA2486566A1 true CA2486566A1 (en) 2003-11-27
CA2486566C CA2486566C (en) 2012-07-17

Family

ID=29553563

Family Applications (4)

Application Number Title Priority Date Filing Date
CA2486566A Expired - Lifetime CA2486566C (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system
CA2936128A Abandoned CA2936128A1 (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system
CA2849545A Expired - Lifetime CA2849545C (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system
CA2776659A Expired - Lifetime CA2776659C (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system

Family Applications After (3)

Application Number Title Priority Date Filing Date
CA2936128A Abandoned CA2936128A1 (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system
CA2849545A Expired - Lifetime CA2849545C (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system
CA2776659A Expired - Lifetime CA2776659C (en) 2002-05-21 2003-05-16 Visual indicator for an aerosol medication delivery apparatus and system

Country Status (10)

Country Link
US (7) US6904908B2 (en)
EP (2) EP1509267B1 (en)
JP (1) JP4485351B2 (en)
CN (2) CN1668355B (en)
AU (2) AU2003227999C1 (en)
CA (4) CA2486566C (en)
ES (1) ES2481565T3 (en)
MX (1) MXPA04011575A (en)
WO (1) WO2003097142A1 (en)
ZA (1) ZA200409957B (en)

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