CA2520708A1 - Antistatic medication delivery apparatus - Google Patents

Antistatic medication delivery apparatus Download PDF

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Publication number
CA2520708A1
CA2520708A1 CA002520708A CA2520708A CA2520708A1 CA 2520708 A1 CA2520708 A1 CA 2520708A1 CA 002520708 A CA002520708 A CA 002520708A CA 2520708 A CA2520708 A CA 2520708A CA 2520708 A1 CA2520708 A1 CA 2520708A1
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CA
Canada
Prior art keywords
holding chamber
ohm
surface resistivity
backpiece
medication
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
CA002520708A
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French (fr)
Other versions
CA2520708C (en
Inventor
Sarah Bruce Snyder
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA2736640A priority Critical patent/CA2736640C/en
Publication of CA2520708A1 publication Critical patent/CA2520708A1/en
Application granted granted Critical
Publication of CA2520708C publication Critical patent/CA2520708C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61M15/009—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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0233—Conductive materials, e.g. antistatic coatings for spark prevention

Abstract

An aerosol medication delivery apparatus (50) include a holding chamber (4, 20) having an input end (6) and an output end (14) and defining an interior space (19). In one embodiment, the holding chamber is antistatic and is made of a plastic material having a surface resistivity of between about 10E 10 and about 10E 12 ohm/sq. In another embodiment, a component, such as a backpiece (22) or mouthpiece (102, 108, 110), separate from the holding chamber, is antistatic and is made of a material having a surface resistivity of between about 10E10 and about 10E12 ohm/sq. The component is connected to the holding chamber, which may or may not be antistatic. In one embodiment, the component is made of an elastomeric material. In one embodiment, at least a portion of the holding chamber and/or component is see~through. Various methods for introducing an aerosol into the holding chamber at the input end thereof and inhaling the aerosol through the output end are also provided.

Claims (46)

1. A medication delivery apparatus comprising:
an antistatic holding chamber comprising a plastic material having a surface resistivity of between about 10E10 and about 10E12 ohm/sq.
2. The apparatus of claim 1 wherein said plastic material comprises a polypropylene material.
3. The apparatus of claim 1 wherein said holding chamber has an input end and an output end, and further comprising a backpiece separate from said holding chamber and comprising an elastomeric material having a surface resistivity of between about 10E10 and about 10E12 ohm/sq, wherein said backpiece is connected to said input end of said holding chamber.
4. The apparatus of claim 3 wherein said backpiece comprises an opening formed therethrough, said opening shaped and adapted to receive a portion of a pressurized metered does inhaler.
5. The apparatus of claim 1 wherein said material comprises a PermaStat® material.
6. The apparatus of claim 1 wherein said material is selected from the group consisting of polypropylene, polycarbonate, polystyrene, nylon, acrylonitrile butadiene styrene, high density polyethylene, acetal, polybutylene terephthalate, and polyethylene terephthalate glycol.
7. The apparatus of claim 1 wherein at least a portion of said holding chamber is see-through.
8. The apparatus of claim 1 wherein said surface resistivity of said plastic material is between about 10E10 and about 10E11 ohm/sq.
9. A medication delivery apparatus comprising:
a holding chamber; and a component separate from said holding chamber and comprising a material having a surface resistivity of between about 10E10 and about 10E12 ohm/sq, wherein said component is connected to said holding chamber.
10. The apparatus of claim 9 wherein said component comprises a mouthpiece connected to an output end of said holding chamber.
11. The apparatus of claim 9 wherein said component comprises a backpiece connected to an input end of said holding chamber.
12. The apparatus of claim 11 wherein said backpiece comprises an elastomeric material.
13. The apparatus of claim 9 wherein said holding chamber comprises a plastic material.
14. The apparatus of claim 13 wherein said plastic material has a surface resistivity greater than about 10E12 ohm/sq.
15. The apparatus of claim 13 wherein said plastic material has a surface resistivity of between about 10E10 and about 10E11 ohm/sq.
16. The apparatus of claim 13 wherein said plastic material comprises a polypropylene material.
17. The apparatus of claim 11 wherein said backpiece comprises an opening formed therethrough, said opening shaped and adapted to receive a portion of a pressurized metered dose inhaler.
18. The apparatus of claim 11 wherein said material comprises a PermaStat® material.
19. The apparatus of claim 11 wherein said material comprises a thermoplastic elastomer material.
20. The apparatus of claim 9 wherein said material is selected from the group consisting of a polyurethane elastomer, polyester elastomer, styrenic elastomer and olefinic elastomer.
21. The apparatus of claim 9 wherein at least a portion of said component is see-through.
22. A method of delivering an aerosol medication comprising:
providing an antistatic holding chamber comprising a plastic material having a surface resistivity of between about 10E10 and about 10E12 ohm/sq, said holding chamber comprising an input end and an output end;
introducing said aerosol medication into said holding chamber through said input end; and inhaling said aerosol medication through said output end.
23. The method of claim 22 wherein said plastic material comprises a polypropylene material.
24. The method of claim 22 wherein said surface resistivity of said plastic material is between about 10E10 and about 10E11 ohm/sq.
25. The method of claim 22 further comprising providing a backpiece separate from said holding chamber and connected to said input end of said holding chamber, said backpiece having an opening therethrough and comprising an elastomeric material having a surface resistivity of between about 10E10 and about 10E12 ohm/sq, and wherein said introducing said aerosol medication into said holding chamber through said input end comprises introducing said aerosol medication into said holding chamber through said opening in said backpiece.
26. The method of claim 25 further comprising providing a pressurized metered dose inhaler having a portion inserted into said opening in said backpiece, and wherein said introducing said aerosol into said holding chamber further comprises actuating said pressurized metered dose inhaler.
27. The method of claim 22 wherein said plastic material comprises a PermaStat® material.
28. The method of claim 22 at least a portion of said holding chamber is see-through.
29. A method of delivering a medication comprising:
providing an antistatic holding chamber; and a component separate from said holding chamber and comprising a material having a surface resistivity of between about 10E10 and about 10E12 ohm/sq, wherein said component is connected to said holding chamber;
introducing said medication into said holding chamber; and delivering said medication from said holding chamber to a user;
wherein at least one of said introducing said medication into said holding chamber and said delivering said medication from said holding chamber comprises exposing said medication to a surface of said component.
30. The method of claim 29 wherein said surface resistivity of said material is between about 10E10 and about 10E11 ohm/sq.
31. The method of claim 29 wherein said component comprises a mouthpiece.
32. The method of claim 29 wherein said component comprises a backpiece.
33. The method of claim 32 wherein said backpiece comprises an elastomeric material.
34. The method of claim 29 wherein said holding chamber comprises a plastic material.
35. The method of claim 34 wherein said plastic material has a surface resistivity greater than about 10E12 ohm/sq.
36. The method of claim 34 wherein said plastic material has a surface resistivity of between about 10E10 and about 10E11 ohm/sq.
37. The method of claim 34 wherein said plastic material comprises a polypropylene material.
38. The method of claim 32 wherein said backpiece comprises an opening formed therethrough, and further comprising providing a pressurized metered dose inhaler having a portion inserted into said opening in said backpiece, and wherein said introducing said medication into said holding chamber further comprises actuating said pressurized metered dose inhaler.
39. The method of claim 29 wherein said material comprises a PermaStat® material.
40. The method of claim 29 wherein said material comprises a thermoplastic elastomer material.
41. A medication delivery apparatus comprising:
an antistatic component comprising a see-through material having a surface resistivity of less than about 10E12 ohm/sq.
42. The apparatus of claim 41 wherein said component comprises a holding chamber.
43. The apparatus of claim 41 wherein said surface resistivity is between about 10E6 and 10E12 ohm/sq.
44. The apparatus of claim 43 wherein said surface resistivity is between about 10E10 and 10E12 ohm/sq.
45. A medication delivery apparatus comprising:
an antistatic component comprising means for providing a surface resistivity of between about 10E10 and 10E12 ohm/sq.
46. The medication delivery apparatus of claim 45 wherein said antistatic component is selected from the group consisting of a holding chamber, a mouthpiece and a backpiece.
CA2520708A 2003-04-16 2004-04-14 Antistatic medication delivery apparatus Expired - Lifetime CA2520708C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2736640A CA2736640C (en) 2003-04-16 2004-04-14 Antistatic medication delivery apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46328803P 2003-04-16 2003-04-16
US60/463,288 2003-04-16
PCT/IB2004/001132 WO2004091704A1 (en) 2003-04-16 2004-04-14 Antistatic medication delivery apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2736640A Division CA2736640C (en) 2003-04-16 2004-04-14 Antistatic medication delivery apparatus

Publications (2)

Publication Number Publication Date
CA2520708A1 true CA2520708A1 (en) 2004-10-28
CA2520708C CA2520708C (en) 2011-06-21

Family

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Application Number Title Priority Date Filing Date
CA2736640A Expired - Lifetime CA2736640C (en) 2003-04-16 2004-04-14 Antistatic medication delivery apparatus
CA2785936A Abandoned CA2785936A1 (en) 2003-04-16 2004-04-14 Antistatic medication delivery apparatus
CA2520708A Expired - Lifetime CA2520708C (en) 2003-04-16 2004-04-14 Antistatic medication delivery apparatus

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CA2736640A Expired - Lifetime CA2736640C (en) 2003-04-16 2004-04-14 Antistatic medication delivery apparatus
CA2785936A Abandoned CA2785936A1 (en) 2003-04-16 2004-04-14 Antistatic medication delivery apparatus

Country Status (6)

Country Link
US (2) US7360537B2 (en)
EP (2) EP2314337A1 (en)
JP (1) JP2006523486A (en)
CA (3) CA2736640C (en)
MX (1) MXPA05011177A (en)
WO (1) WO2004091704A1 (en)

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EP1613380A1 (en) 2006-01-11
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WO2004091704A1 (en) 2004-10-28
CA2785936A1 (en) 2004-10-28
CA2736640A1 (en) 2004-10-28
CA2520708C (en) 2011-06-21
US7360537B2 (en) 2008-04-22
MXPA05011177A (en) 2006-05-25
US20050005929A1 (en) 2005-01-13
EP2314337A1 (en) 2011-04-27

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