Powder filling systems, apparatus and methods
First Claim
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1. An apparatus for filling a receptacle with powder medicament, the apparatus comprising:
- a supply of powder medicament;
a chamber; and
a screen between the supply of powder medicament and the chamber, the screen being translatable to fluidize the powder medicament;
wherein the apparatus is configured such that a vacuum may be applied to the chamber to assist in capturing powder and wherein pressure may be applied to the chamber to eject captured powder from the chamber and into a receptacle.
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Abstract
The invention provides methods, systems and apparatus for the metered transport of fine powders into receptacles. According to one exemplary method, the fine powder is first fluidized. At least a portion of the fluidized fine powder is then captured. The captured fine powder is then transferred to a receptacle, with the transferred powder being sufficiently uncompacted so that it may be dispersed upon removal from the receptacle.
82 Citations
21 Claims
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1. An apparatus for filling a receptacle with powder medicament, the apparatus comprising:
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a supply of powder medicament;
a chamber; and
a screen between the supply of powder medicament and the chamber, the screen being translatable to fluidize the powder medicament;
wherein the apparatus is configured such that a vacuum may be applied to the chamber to assist in capturing powder and wherein pressure may be applied to the chamber to eject captured powder from the chamber and into a receptacle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of filling a receptacle with powder medicament, the method comprising:
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providing a chamber and a screen above the chamber;
translating the screen to fluidize the powder medicament;
applying a vacuum to the chamber to assist in capturing the powder medicament in the chamber; and
applying pressure to the chamber to eject the powder medicament from the chamber and into a receptacle. - View Dependent Claims (19, 20, 21)
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Specification