Dry powder inhalers include an elongate body and a disk holding a plurality of doses of a dry powder inhalable product. The inhaler also includes a cover member that is pivotably attached to the elongate body so that it remains attached to the body during normal operational periods of use and moves
Dry powder inhalers include an elongate body and a disk holding a plurality of doses of a dry powder inhalable product. The inhaler also includes a cover member that is pivotably attached to the elongate body so that it remains attached to the body during normal operational periods of use and moves to a first closed position to overlie the inhalation port at the bottom end portion of the body during periods of non-use and moves to a second open position away from the inhalation port during periods of use to allow a user to access the inhalation port.
대표청구항▼
1. A dry powder inhaler, comprising: an elongate body defining a substantially enclosed cavity and having opposing upper and lower primary surfaces, the elongate body having a width dimension and a length dimension, the length dimension being greater than the width dimension, the length dimension ex
1. A dry powder inhaler, comprising: an elongate body defining a substantially enclosed cavity and having opposing upper and lower primary surfaces, the elongate body having a width dimension and a length dimension, the length dimension being greater than the width dimension, the length dimension extending between opposing first and second ends of the elongate body, the width dimension extending normal to the length dimension between opposing sides of the elongate body;a multi-dose disk located in the cavity of the elongate body, the disk holding a plurality of doses of an inhalable dry powder;a mouthpiece with an inhalation port residing at the first end of the elongate body between the upper and lower primary surfaces so as to be externally accessible by a user while the elongate body remains closed, the inhalation port configured to be in fluid communication with at least one of the doses of dry powder during use; anda cover member having an upper surface that is attached to the elongate body to pivot about an axis of rotation that is substantially normal to the upper primary surface, wherein the axis of rotation is longitudinally offset from a center of the length dimension of the elongate body to reside closer to the second end of the elongate body while being substantially centered in the width dimension, wherein the cover member rotates between a closed position to overlie the mouthpiece during periods of non-use and an open position away from the mouthpiece during periods of use to allow a user to access the inhalation port while the elongate body remains closed, and wherein the cover member rotates from the closed position to the open position about the axis of rotation so that the upper surface of the cover member remains substantially parallel to the upper primary surface of the elongate body. 2. A dry powder inhaler according to claim 1, wherein the cover member has a substantially planar upper surface that overlies the upper primary surface of the elongate body, and wherein the cover member upper surface has an aperture that extends downwardly therethrough that surrounds the axis of rotation. 3. A dry powder inhaler according to claim 2, wherein the aperture is a circular aperture. 4. A dry powder inhaler according to claim 1, wherein the cover member has a planar first end portion that overlies the upper primary surface and an arcuate second end portion, wherein the arcuate portion of the second end portion extends downward over the mouthpiece on the first end of the elongate body when in the closed position. 5. A dry powder inhaler according to claim 1, wherein the elongate body includes matable upper and lower shells that remain closed during use, and wherein the cover member is configured to be able to pivot toward a side of the inhaler elongate body to overhang the elongate body such that an inner portion of a length of the cover member upper surface remains over the upper primary surface of the elongate body while an outer portion of the length of the cover member extends beyond a perimeter of the elongate body. 6. A dry powder inhaler according to claim 1, wherein the upper and lower primary surfaces of the elongate body are substantially planar, wherein the cover member upper surface has a planar portion residing above the upper primary surface of the elongate body, the cover member planar portion having an aperture extending downwardly therethrough, the aperture surrounding the axis of rotation. 7. A dry powder inhaler according to claim 1, wherein the axis of rotation is normal to and extends through a window that provides a user visual access to the multi-dose disk, and wherein the window is defined by aligned apertures in the cover member upper surface and the upper primary surface of the elongate body. 8. A dry powder inhaler according to claim 1, further comprising an indexing mechanism in the elongate body that rotates the multi-dose disk, and wherein the disk has stops or detents that provide tactile and/or audible feedback to a user to verify that the disk is in a desired dispensing position. 9. A dry powder inhaler according to claim 1, wherein the elongate body has a substantially planar portion that comprises a window that allows visual access to a portion of the multi-dose disk, wherein the cover member upper surface comprises an aperture that is aligned with the window, and wherein the axis of rotation extends through and is normal to the window. 10. A dry powder inhaler according to claim 9, wherein the multi-dose disk comprises externally visible indicia of a dose number that is visible through the window during use. 11. A dry powder inhaler according to claim 1, wherein the inhaler includes at least one of a visible or audible alert that warns a user when the multi-dose disk approaches empty. 12. A dry powder inhaler according to claim 1, wherein the elongate body has a thin profile when viewed from the side with the upper and lower primary surfaces being substantially planar, and wherein the cover member upper surface has a substantially planar portion with an outwardly projecting mound portion, the outwardly projecting mound portion configured to overlie an activation button on the elongate body upper primary surface when the cover member is closed to inhibit inadvertent activation. 13. A dry powder inhaler according to claim 1, wherein, with the cover member in the closed position, the inhaler has a thin profile with substantially flat upper and lower primary surfaces that is sized to fit into a pocket of a garment worn by a user. 14. A dry powder inhaler according to claim 1, wherein the inhalable dry powder is a low density dry powder, and wherein the inhalable dry powder held in the multi-dose disk comprises active ingredient particulate sizes of between about 0.5-8.0 μm. 15. A dry powder inhaler according to claim 1, wherein, in the open position, the cover member pivots about the axis of rotation and has a length sufficient to overhang the side of the inhaler such that an inner portion of a length of the cover member upper surface remains over the upper primary surface of the elongate body while an outer portion of the length of the cover member extends beyond a perimeter of the elongate body. 16. A dry powder inhaler, comprising: an inhaler housing body defining a substantially enclosed cavity;a multi-dose disk located in the cavity of the housing body, the disk holding a plurality of circumferentially spaced apart doses of an inhalable dry powder;a mouthpiece with an inhalation port supported by the housing body so as to be externally accessible by a user while the housing body remains closed, the inhalation port configured to be in fluid communication with at least one of the doses of dry powder during use; anda cover member that is attached to an upper primary surface of the housing body to be able to pivot about an axis of rotation that is substantially normal to the upper primary surface of the housing body, wherein the cover member has a planar upper surface that overlies the upper primary surface of the housin body closed, wherein the axis of rotation is substantially centered in a width dimension of the housing body, and wherein the cover member rotates between a closed position to overlie the mouthpiece during periods of non-use and an open position away from the mouthpiece during periods of use to allow a user to access the inhalation port while the housing body remains closed,wherein the housing body is an elongate body and the mouthpiece resides on one end of the elongate body between upper and lower primary surfaces, and wherein the axis of rotation is longitudinally offset to reside closer to an end of the housing body without the mouthpiece, and wherein the cover member rotates from the closed position to the open position about the axis of rotation so that the upper surface of the cover member remains substantially parallel to the upper primary surface of the elongate body. 17. A dry powder inhaler according to claim 16, wherein the housing body has substantially planar upper and lower primary surfaces, wherein the cover member upper surface is planar and that overlies the upper primary surface of the housing body when closed, and wherein the cover member planar upper surface has an aperture extending downwardly therethrough that surrounds the axis of rotation. 18. A dry powder inhaler according to claim 16, wherein, in the open position, the cover member pivots to a side of the inhaler about the axis of rotation and has a length sufficient to overhang the side of the inhaler such that an inner portion of a length of the cover member upper surface remains over the upper primary surface of the elongate body while an outer portion of the length of the cover member extends beyond a perimeter of the elongate body. 19. A dry powder inhaler according to claim 16, further comprising an indexing mechanism in the elongate body that rotates the multi-dose disk, and wherein the disk has stops or detents that provide tactile and/or audible feedback to a user to verify that the disk is in a desired dispensing position.
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