A medicament dispensing device for dispensing metered dosages of a medicament includes an actuator housing having a longitudinally extending cavity and a container disposed in the cavity and having a cylinder with a first outer diameter. The cylinder is adapted to hold the medicament. The container
A medicament dispensing device for dispensing metered dosages of a medicament includes an actuator housing having a longitudinally extending cavity and a container disposed in the cavity and having a cylinder with a first outer diameter. The cylinder is adapted to hold the medicament. The container is reciprocally moveable relative to the actuator housing along a longitudinal axis. An indicating device includes an indicator housing having a tubular portion connected to said container, with the indicating device being reciprocally moveable with the container relative to the actuator housing. The tubular portion has a second outer diameter that is of substantially the same diameter as the first outer diameter. A longitudinally extending side wall has a viewing window formed therein. An indicator is rotatably mounted in the indicator housing, with a surface thereof having indicia visible through the viewing window.
대표청구항▼
1. A dispensing device comprising: a container having a cylindrical side wall, a bottom, a top and a valve stem extending from said top, said container comprising a medicament;a dispenser connected to said valve stem, wherein said container and said dispenser are moveable relative to each other alon
1. A dispensing device comprising: a container having a cylindrical side wall, a bottom, a top and a valve stem extending from said top, said container comprising a medicament;a dispenser connected to said valve stem, wherein said container and said dispenser are moveable relative to each other along a longitudinal direction wherein said container dispenses a metered dosage of said medicament;an indicating device comprising: a housing comprising a circumferential skirt extending in said longitudinal direction and surrounding said cylindrical side wall of said container adjacent said bottom of said container;an indicator member rotatably mounted in said housing about a longitudinal axis extending in said longitudinal direction, said indicator member comprising a plurality of teeth extending from a bottom of said indicator member in said longitudinal direction;a drive assembly rotatably mounted in said housing about a rotation axis lying substantially perpendicular to said longitudinal axis, said drive assembly comprising a drive member selectively engaged with said plurality of teeth of said indicator member and a ratchet wheel coaxially mounted with said drive member; anda pawl member selectively engaged with said ratchet wheel. 2. The dispensing device of claim 1 wherein said plurality of teeth extend only partially around a periphery of said indicator member. 3. The dispensing device of claim 1 wherein said indicator member is rotatable from an initial position wherein said container is full to an end position wherein said container is empty, and wherein said housing comprises a first lock member and said indicator member comprises a second lock member, wherein said first and second lock members are engageable when said indicator member is rotated to said end position such that said indicator member is immobilized. 4. The dispensing device of claim 3 wherein said first lock member comprises a post extending from a bottom wall of said housing, and wherein said second lock member comprises a tooth member, wherein said tooth member is engaged by said post when said indicator member is rotated to said end position. 5. The dispensing device of claim 1 wherein said housing comprises a viewing window formed in a top wall thereof, and wherein said indicator member is visible through said viewing window. 6. The dispensing device of claim 1 wherein said indicator member comprises at least one indicium indicating a number of said metered doses of said medicament remaining in or dispensed from said container. 7. The dispensing device of claim 6 wherein said at least one indicium is applied to a top of said indicator member. 8. The dispensing device of claim 6 wherein said at least one indicium comprises a numerical indicium. 9. The dispensing device of claim 6 wherein said at least one indicium comprises a non-numerical indicium. 10. The dispensing device of claim 6 wherein said housing comprises a bottom wall, wherein said circumferential skirt and said bottom wall define a first cavity, wherein a bottom of said container is received in said cavity, and wherein said housing comprises a peripheral skirt extending from said bottom wall opposite said circumferential skirt, said bottom wall and said peripheral skirt defining a second cavity, wherein said indicator member, said drive assembly and said pawl are disposed in said second cavity. 11. The dispensing device of claim 10 wherein said housing comprises a top wall closing said second cavity. 12. An indicating device for use with a container filled with a medicament, the indicating device comprising: a housing comprising a bottom wall, a downwardly depending skirt extending from said bottom wall in a first direction, and an upwardly depending skirt extending from said bottom wall in a second direction opposite said first direction, said downwardly depending skirt and said bottom wall defining a first cavity shaped and adapted to receive a bottom of the container, and said bottom wall and said upwardly depending skirt defining a second cavity;an indicator member rotatably mounted in said second cavity about a longitudinal axis extending in a longitudinal direction, said indicator member comprising a plurality of teeth extending downwardly from a bottom of said indicator member in said longitudinal direction;a drive assembly rotatably mounted in said second cavity about a rotation axis lying substantially perpendicular to said longitudinal axis, said drive assembly comprising a drive member selectively engaged with said plurality of teeth of said indicator member and a ratchet wheel coaxially mounted with said drive member; anda pawl member coupled to said housing in said second cavity and selectively engaged with said ratchet wheel. 13. The indicating device of claim 12 wherein said plurality of teeth extend only partially around a periphery of said indicator member. 14. The indicating device of claim 12 wherein said indicator member is rotatable from an initial position to an end position, and wherein said housing comprises a first lock member and said indicator member comprises a second lock member, wherein said first and second lock members are engageable when said indicator member is rotated to said end position such that said indicator member is immobilized. 15. The indicating device of claim 14 wherein said first lock member comprises a post extending from said bottom wall of said housing, and wherein said second lock member comprises a tooth member, wherein said tooth member is engaged by said post when said indicator member is rotated to said end position. 16. The indicating device of claim 12 wherein said housing comprises a top wall closing said second cavity, wherein said top wall comprises a viewing window, and wherein said indicator member is visible through said viewing window. 17. The indicating device of claim 12 wherein said indicator member comprises at least one indicium adapted to indicate the number of said metered doses of said medicament remaining in or dispensed from said container. 18. The indicating device of claim 17 wherein said at least one indicium is applied to a top of said indicator member. 19. The indicating device of claim 17 wherein said at least one indicium comprises a numerical indicium. 20. The indicating device of claim 17 wherein said at least one indicium comprises a non-numerical indicium. 21. The dispensing device of claim 1 wherein said ratchet wheel comprises a first gear and said drive member comprises a second gear, said first and second gears providing a gear reduction ratio therebetween. 22. The dispensing device of claim 10 wherein said bottom wall is configured with an opening, and further comprising an actuator extending through said opening, said actuator moveable through said opening so as to rotate said ratchet wheel and said drive member. 23. The dispensing device of claim 22 wherein said actuator comprises a reset wheel. 24. The dispensing device of claim 1 wherein said circumferential skirt engages said cylindrical side wall of said container with an interference fit. 25. The dispensing device of claim 1 wherein said circumferential skirt is bonded to said cylindrical side wall of said container. 26. The indicating device of claim 12 wherein said ratchet wheel comprises a first gear and said drive member comprises a second gear, said first and second gears providing a gear reduction ratio therebetween. 27. The indicating device of claim 12 wherein said bottom wall is configured with an opening, and further comprising an actuator extending through said opening, said actuator moveable through said opening so as to rotate said ratchet wheel and said drive member. 28. The dispensing device of claim 27 wherein said actuator comprises a reset wheel. 29. The dispensing device of claim 12 wherein an interior surface of said downwardly depending skirt defining said first cavity comprises an adhesive.
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