Blister packages with frames and associated methods of fabricating dry powder drug containment systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-015/00
A61M-016/00
B05D-007/14
B65D-083/06
출원번호
US-0970549
(2004-10-21)
등록번호
US-7377277
(2008-05-27)
발명자
/ 주소
Hickey,Anthony James
Crowder,Timothy
Warden,Jeffrey Alan
Johnson,Keith Arthur
Ketner,Mark Ennis
Fording,Jay Kinsley
Garten,Michael Duane
Riley,William Myles
Anderson,Sean Derek
Ferris,Bruce Seymour
Rockwell,Paul Gilbert
출원인 / 주소
Oriel Therapeutics, Inc.
대리인 / 주소
Myers Bigel Sibley & Sajovec
인용정보
피인용 횟수 :
43인용 특허 :
155
초록
Dry powder blister packages include sealed blisters with a piezoelectric active layer that flexes to vibrate the dry powder in a blister to facilitate active dispersion.
대표청구항▼
That which is claimed: 1. A multi-dose blister package adapted for use in an inhaler, comprising: a substantially rigid frame member configured to resist flexure having a plurality of spaced apart apertures; a ceiling having a corresponding plurality of spaced apart projections, the ceiling dispose
That which is claimed: 1. A multi-dose blister package adapted for use in an inhaler, comprising: a substantially rigid frame member configured to resist flexure having a plurality of spaced apart apertures; a ceiling having a corresponding plurality of spaced apart projections, the ceiling disposed under the frame member and oriented relative to the frame member so that a respective ceiling projection extends through and rises above a respective frame aperture; a flexible floor underlying and attached to the ceiling, wherein the ceiling and floor are configured to define a plurality of spaced apart scaled blisters therebetween, wherein the floor comprises a flexible piezoelectric material; and a quantity of dry powder held in each sealed blister; wherein the frame member has a thickness that is at least five times greater than that of the ceiling and floor, and wherein, the blister package is configured so that the blister is opened from the ceiling while the floor remains intact. 2. A multi-dose blister package according to claim 1, wherein the frame member has a substantially planar body, and wherein the frame member has sufficient rigidity to remain substantially planar daring operation, wherein the ceiling is a substantially continuous layer that is sized and configured to extend over all of the blisters under the frame member with the projections aligned to reside in the frame member apertures. 3. A multi-dose blister package according to claim 1, wherein the floor comprises substantially laminated first and second flexible layers, with at least one of the first and second layers comprising the piezoelectric material and wherein, in operation, the piezoelectric material underlying a target blister is configured to repeatedly flex generally upward and downward upon receipt of an electrical input. 4. A multi-dose blister package according to claim 1, further comprising a bolus quantity of dry powder disposed in respective blisters. 5. A multi-dose blister package according to claim 4, wherein the package is adapted to be releaseably inserted into an inhaler and disposable after the dry powder in the blisters has been depleted. 6. A multi-dose blister package according to claim 4, wherein the dry powder is a low-density clay powder. 7. A multi-dose blister package according to claim 1, wherein the floor comprises first and second flexible layers of different materials, a selected one of the layers comprising a piezoelectric film. 8. A multi-dose blister package according to claim 7, wherein the floor second layer comprises the piezoelectric film material and is attached to a bottom of the floor first layer, the floor second layer further comprising a predetermined conductive pattern disposed over a first primary surface and a conductive material disposed over at least a portion of an opposing second primary surface. 9. A multi-dose blister package according to claim 8, wherein the conductive material on the second primary surface of the second layer comprises a metallized coating disposed to cover substantially all of the second primary surface. 10. A multi-dose blister package according to claim 8, wherein the predetermined conductive pattern on the second layer comprises a plurality of spaced apart conductive regions, each region sized and configured to be substantially coextensive with a bottom portion of a respective blister. 11. A multi-dose blister package according to claim 10, wherein the predetermined conductive pattern further comprises at least one signal trace extending away from each region. 12. A multi-dose blister package according to claim 11, wherein the signal trace for each blister travels toward a respective conductive contact zone on the first primary surface of the second layer. 13. A multi-dose blister package according to claim 8, wherein the first floor layer comprises foil. 14. A multi-dose blister package according to claim 13, wherein the second layer of the floor is defined by a PVDF film. 15. A multi-dose blister package according to claim 8, wherein the second layer is a PVDF layer that has a surface area that is about the same as that of the first floor layer. 16. A multi-dose blister package according to claim 8, wherein the second layer is a PVDF layer that has a surface area that is less than that of the first floor layer. 17. A multi-dose blister package according to claim 16, wherein the second layer has a shape that generally corresponds to the shape of the predetermined conductive pattern. 18. A multi-dose blister package according to claim 8, wherein, in operation, the piezoelectric polymer is electrically activated to vibrate a desired blister. 19. A multi-dose blister package according to claim 18, wherein the ceiling is a foil-containing ceiling having sufficient structural rigidity to be formed into and retain the ceiling projection shapes. 20. A multi-dose blister package according to claim 7, wherein the ceiling, frame member, and first layer of the floor have a circular shape with substantially aligned center apertures that expose a portion of an upper surface of the second layer. 21. A multi-dose blister package according to claim 20, further comprising a rotatable gear having circumferentially spaced apart gear teeth, the gear disposed in a window defined by the aligned center apertures and mounted to the frame member so that the blister package rotates with the gear. 22. A multi-dose blister package according to claim 1, wherein the package is configured with blister pairs of sealed blisters that comprise a different dry powder held therein. 23. A multi-dose blister package according to claim 22, wherein the blister pairs are sized and configured to, in operation and in position in an inhaler, release their dry powders in combination substantially concurrently to a user upon inhalation. 24. A multi-dose blister package according to claim 22, wherein the package is configured with a plurality of blister pairs that are circumferentially spaced apart, wherein each blister in a respective blister pair resides closely spaced to each other at a first distance and each blister in the respective blister pair is spaced apart from the next neighboring blister of a different blister pair a second distance that is greater than the first distance. 25. A multi-dose blister package according to claim 1, wherein the ceiling comprises foil. 26. A multi-dose blister package according to claim 1, wherein the frame member comprises a molded polymer body. 27. A multi-dose blister package according to claim 1, wherein the frame member is a substantially flat circular shape with a center aperture and comprises a polymer material. 28. A multi-dose blister package according to claim 1, wherein the frame member is releaseably attached to the ceiling. 29. A multi-dose blister package according to claim 1, wherein the frame member is non-releasably attached to the ceiling. 30. A multi-dose blister package according to claim 1, wherein the ceiling is configured with a selected formable material having sufficient thickness and structural rigidity to be able to retain the projecting ceiling shapes. 31. A multi-dose blister package according to claim 1, wherein the blisters have a perimeter shape when viewed from the top, wherein the frame member apertures have substantially the same blister perimeter shape when viewed from the top, and wherein a respective frame member aperture surrounds a corresponding blister perimeter shape. 32. A multi-dose blister package according to claim 31, wherein the blister perimeter shape is substantially circular when viewed from the top. 33. A multi-dose blister package according to claim 31, wherein the blister has an elongate perimeter shape. 34. A multi-dose blister package according to claim 1, further comprising a power source and an input signal generating circuit that is configured to provide electrical input to selectively flex the floor of a target blister held in a dispensing location in the inhaler, responsive to the electrical input. 35. A multi-dose blister package according to claim 34, further comprising a controller comprising computer readable program code that is in communication with the input signal generating circuit and is configured with a predetermined non-linear vibration input signal selected to represent a priori flow characteristic frequencies of the dry powder formulation held in the blister. 36. A multi-dose blister package according to claim 1, wherein the substantially rigid frame member is a molded polymer with a thickness that is at least ten times greater than that of the ceiling or floor. 37. A method for making a multi-dose blister package adapted for use in an inhaler, comprising: providing a substantially rigid frame member configured to resist flexure having a plurality of spaced apart apertures; forming a plurality of spaced apart wells in a ceiling that, in position on a sealed blister package, define projections; positioning the ceiling above the frame and aligned therewith so that a respective ceiling well extends through and falls below a respective frame aperture; positioning a quantity of dry powder in the ceiling wells; and sealing a flexible floor comprising a flexible piezoelectric material to the ceiling to define a plurality of spaced apart sealed blisters therebetween, wherein in operation the floor remains intact, wherein the frame member has a thickness that is at least five times greater than that of the ceiling and floor. 38. A method according to claim 37, wherein the frame member has a substantially planar body with sufficient rigidity to remain substantially planar during operation, wherein the ceiling is a substantially continuous layer that is sized and configured to extend over all of the blisters under the frame member, further comprising inverting the sealed blister package after the sealing step so that, in operative position, the frame member defines a top surface with the ceiling underlying the frame member with the ceiling projections extending above the frame member through the frame member apertures. 39. A method according to claim 37, wherein the floor comprises a piezoelectric film. 40. A method according to claim 37, further comprising attaching first and second flexible floor layers, at least one of the first and second layers comprising the flexible piezoelectric material, the first and second floor layers configured, in operation, so that the piezoelectric material is configured to repeatedly flex generally upward and downward under a blister upon receipt of an electrical input. 41. A method according to claim 40, wherein the floor second layer comprises the piezoelectric material, the method further comprising forming a predetermined conductive pattern on a selected primary surface of the piezoelectric material before attaching the first and second floor layers together. 42. A method according to claim 41, further comprising metallizing the opposing primary surface of the second floor. 43. A method according to claim 41, wherein the predetermined conductive pattern on the second layer comprises a plurality of spaced apart conductive regions, each region sized and configured to be substantially coextensive with a bottom portion of a respective blister. 44. A method according to claim 43, wherein the predetermined conductive pattern is formed to comprise at least one signal trace extending away from each region. 45. A method according to claim 44, wherein the signal trace for each blister is formed to travel toward a respective conductive contact zone on a primary surface of the second layer. 46. A method according to claim 45, wherein the signal trace for each blister is formed to extend toward a different contact zone. 47. A method according to claim 45, wherein selected pairs of blisters have traces that travel toward a common contact zone that is spatially separate from the other contact zones for the other blisters. 48. A method according to claim 40, wherein the ceiling, frame member, and first layer of the floor have a circular shape with center apertures, the method further comprising substantially aligning the center apertures to expose a portion of an upper surface of the second layer. 49. A method according to claim 40, wherein the floor second layer comprises a piezoelectric film, wherein the sealing step comprises: attaching the first floor layer to the ceiling to concurrently seal the blisters with the dry powder captured therein; and then attaching the second floor layer to the first floor layer. 50. A method according to claim 49, further comprising cutting the ceiling and first floor layer into a desired shape after the sealing step before the second floor layer is attached to the first floor layer. 51. A method according to claim 49, further comprising inverting the sealed blister package after the first attaching step so that, in operative position, the frame member defines a top surface with the ceiling underlying the frame member with the ceiling projections extending above the frame member through the frame member apertures. 52. A method according to claim 49, further comprising inverting the sealed blister package after the first and second attaching steps are complete so that, in operative position, the frame member defines a top surface with the ceiling underlying the frame member with the ceiling projections extending above the frame member through the frame member apertures. 53. A method according to claim 49, further comprising testing the second floor layer and/or blister package for electrical integrity of the piezoelectric material and/or predetermined conductive pattern. 54. A method according to claim 37, wherein the floor comprises first and second flexible layers of different materials, a selected one of the layers comprising a piezoelectric film. 55. A method according to claim 37, further comprising forming pairs of sealed blisters so that each blister in a respective blister pair resides closely spaced to each other at a first distance and each blister in the respective blister pair is spaced apart from the next neighboring blister of a different blister pair a second distance that is greater than the first distance, and wherein the positioning step comprises placing a different dry powder in the blisters of each blister pair.
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이 특허에 인용된 특허 (155)
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