Method and apparatus for filling needleless injector capsules

Details Method and apparatus for filling needleless injector capsules Method and apparatus for filling needleless injector capsules

2006-12-19

2006-12-19

Maust, Timothy L. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Processes

Gas or variation of gaseous condition in receiver

C141S005000, C141S008000, C141S065000, C141S286000

Reexamination Certificate

active

07150297

ABSTRACT:
A method is provided for filling needleless injector capsules with liquid drug, which eliminates or reduces trapped air bubbles in the drug. A two-stage vacuum method is disclosed which enables the capsule to be evacuated rapidly to very low pressure prior to filling. The method is also suitable for filling other small containers with liquids.

REFERENCES:
patent: 4848419 (1989-07-01), Damen
patent: 5725032 (1998-03-01), Oshima et al.
patent: 43 20 098 (1994-12-01), None
patent: WO 97/22375 (1997-06-01), None

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