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Claims for Patent: 7,143,908

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Claims for Patent: 7,143,908

Title:Indicating device
Abstract:A device for dispensing metered dosages of a substance from a container includes a dispenser housing having a longitudinally extending cavity defined at least in part by a wall and a support block spaced from the wall. The container is disposed in the cavity of the dispenser housing and is container reciprocally moveable within the dispenser housing along a longitudinal axis. An indicating device is disposed in the dispenser housing and includes an annular member disposed around a first end of the container with a valve stem of the container extending beyond the annular member. The indicating device includes at least one indicator member rotatable about an axis of rotation. At least a portion of the indicating device is fixedly connected to the container and is reversibly removable with the container from the dispenser housing.
Inventor(s): Blacker; Richard (London, CA), Engelbreth; Daniel K. (London, CA), Schmidt; James N. (London, CA)
Assignee: Trudell Medical International (London, CA)
Application Number:11/372,441
Patent Claims: 1. A device for dispensing metered dosages of a substance from a container, said device comprising: a dispenser housing having a longitudinally extending cavity defined at least in part by a wall and a support block spaced from said wall, said support block located at a bottom of said cavity, said support block having a well formed therein and an orifice penetrating said support block and communicating with said well; said container having a first end and a second end opposite said first end, said first end comprising a valve stem extending longitudinally therefrom, said valve stem moveable between a closed position and an open position, said container containing a plurality of metered dosages of said substance, said valve stem dispensing one of said plurality of said metered dosages when said valve stem is moved to the open position, said container disposed in said cavity of said dispenser housing, wherein said valve stem is received within said well, said container reciprocally moveable within said dispenser housing along a longitudinal axis such that said valve stem is moved between said open and closed position by engagement with said well in said support block; and an indicating device disposed in said dispenser housing, said indicating device comprising an annular member disposed around said first end of said container with said valve stem extending beyond said annular member and at least one indicator member rotatable about an axis of rotation, wherein at least a portion of said indicating device is fixedly connected to said container and is reversibly removable with said container from said dispenser housing.

2. The device of claim 1 wherein said dispenser housing is generally open at a top thereof, wherein said at least said portion of said indicating device is reversibly removable with said container from said dispenser housing through said top of said dispenser housing.

3. The device of claim 1 wherein said container further comprises a hub, wherein said valve stem extends from said hub and wherein said at least said portion of said indicating device fixedly connected to said container comprises said annular member disposed on said hub of said container.

4. The device of claim 1 wherein said axis of rotation is substantially non-parallel to said longitudinal axis.

5. The device of claim 1 wherein said dispenser housing comprises a viewing window, wherein said indicator member comprises dosage indicia visible through said viewing window.

6. The device of claim 2 wherein said at least said portion of said indicating device is fixedly connected to said container with an adhesive.

7. The device of claim 6 wherein said at least said portion of said indicating device fixedly connected to said container with an adhesive comprises said annular member.

8. The device of claim 1 wherein said at least one indicator member comprises a single indicator member.

9. The device of claim 1 wherein said at least one indicator member comprises a plurality of indicator members.

10. The device of claim 1 wherein said annular member has a longitudinal slit formed therein.

11. The device of claim 1 wherein said annular member is disposed around a neck of said container.

12. The device of claim 11 wherein said annular member has first and second edges facing the same directions as said first and second ends of said container respectively, wherein an entirety of said valve stem extends beyond said first edge of said annular member.

13. A device for dispensing metered dosages of a substance from a container, said device comprising: a dispenser housing having a longitudinally extending cavity defined at least in part by a wall and a support block spaced from said wall, said support block located at a bottom of said cavity, said support block having a well formed therein and an orifice penetrating said support block and communicating with said well; said container having a first end and a second end opposite said first end, said first end comprising a valve stem extending longitudinally therefrom, said valve stem moveable between a closed position and an open position, said container containing a plurality of metered dosages of said substance, said valve stem dispensing one of said plurality of said metered dosages when said valve stem is moved to the open position, said container disposed in said cavity of said dispenser housing, wherein said valve stem is received within said well, said container reciprocally moveable within said dispenser housing along a longitudinal axis such that said valve stem is moved between said open and closed position by engagement with said well in said support block; and an indicating device disposed in said dispenser housing, said indicating device comprising an annular member fixedly connected around said first end of said container with an adhesive, wherein said valve stem extends beyond said annular member and said indicating device further comprising at least one indicator member rotatable about an axis of rotation, wherein at least said annular member is reversibly removable with said container from said dispenser housing.

14. The device of claim 13 wherein said dispenser housing is generally open at a top thereof, wherein said at least said annular member is reversibly removable with said container from said dispenser housing through said top of said dispenser housing.

15. A method of assembling a device for dispensing metered dosages of a substance from a container, the method comprising: providing a dispenser housing having a longitudinally extending cavity defined at least in part by a wall and a support block spaced from said wall, said support block located at a bottom of said cavity, said support block having a well formed therein and an orifice penetrating said support block and communicating with said well; providing said container having a first end and a second end opposite said first end, said first end comprising a valve stem extending longitudinally therefrom, said valve stem moveable along a longitudinal axis between a closed position and an open position, said container containing a plurality of metered dosages of said substance, said valve stem dispensing one of said plurality of said metered dosages when said valve stem is moved to the open position; providing an indicating device comprising an annular member and at least one indicator member rotatable about an axis of rotation; fixedly securing at least a portion of said indicating device to said container with said annular member disposed around said first end of said container and with said valve stem extending beyond said annular member; inserting said indicating device and said container into said cavity of said dispenser housing; and inserting said valve stem of said container into said well, wherein said container is reciprocally moveable within said dispenser housing along said longitudinal axis such that said valve stem is moved between said open and closed position by engagement with said well in said support block.

16. The method of claim 15 wherein said at least one indicator member comprises a plurality of indicator members coaxially mounted about said axis of rotation.

17. The method of claim 15 wherein said at least one indicator member comprises a single indicator member.

18. The method of claim 15 wherein said indicator member comprises dosage indicia and wherein said dispenser housing comprises a viewing window, and wherein said inserting said valve stem of said container into said well comprises positioning said indicator member such that said dosage indicia is visible through said viewing window.

19. The method of claim 15 wherein said fixedly securing said at least said portion of said indicating device to said container comprises adhesively securing said annular member to said container.

20. The method of claim 15 wherein said dispenser housing is generally open at a top thereof, and wherein said inserting said indicating device and said container into said cavity of said dispenser housing comprises inserting said indicating device and said container into said cavity through said top of said dispenser housing.
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