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Title:
CARTRIDGE ASSEMBLY FOR MEDICAMENT SUSPENSIONS
Document Type and Number:
WIPO Patent Application WO2000071191
Kind Code:
A3
Abstract:
A cartridge assembly for use in a pen-type medicament injector. The cartridge assembly comprises a cartridge for receiving a medicament suspension, the cartridge having a needle-pierceable outlet for the liquid medicament at one end thereof. A movable plunger positioned within the cartridge seals the other end. First and second mixing elements are provided within the cartridge to assist in mixing the medicament suspension. A first disk-shaped mixing element is disposed within the cartridge between the plunger and the outlet, the disk-shaped element being sized and shaped to permit its axial movement within the cartridge but to prevent any significant lateral movement. A second bead-shaped mixing element is disposed within the cartridge between the disk-shaped element and the outlet, the bead-shaped element being sized and shaped for free random movement between the disk-shaped element and the outlet.

Inventors:
DEFELIPPIS MICHAEL ROSARIO (US)
DIMARCHI RICHARD DENNIS (US)
FRANK BRUCE HILL (US)
HINES PAUL ARTHUR (US)
LENTS MARY PATRICIA (US)
Application Number:
PCT/US2000/011230
Publication Date:
February 08, 2001
Filing Date:
April 27, 2000
Export Citation:
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Assignee:
LILLY CO ELI (US)
DEFELIPPIS MICHAEL ROSARIO (US)
DIMARCHI RICHARD DENNIS (US)
FRANK BRUCE HILL (US)
HINES PAUL ARTHUR (US)
LENTS MARY PATRICIA (US)
International Classes:
A61J1/06; B65D81/32; A61M5/24; (IPC1-7): A61M5/28; B65D81/32; A61J1/06
Domestic Patent References:
WO1998033538A11998-08-06
Foreign References:
US5725500A1998-03-10
US4850966A1989-07-25
US5578201A1996-11-26
Download PDF:
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