Fluid Delivery Device Needle Retraction Mechanisms, Cartridges and Expandable Hydraulic Fluid Seals
AssigneeValeritas, Inc.
InventorsSteven F. Levesque, Geoffrey H. Jenkins, Robert L. Standley, Matthew P. Johnson, Daniel A. Dube, Jr.
Life of this patent
Estimating the term…
Abstract
A fluid delivery device includes an automatic needle retraction mechanism configured to automatically retract a delivery end of a needle into a housing. In one embodiment, the needle assembly is configured to automatically withdraw the delivery end of the needle into the housing upon an actuator moving from the first position to the second position. In one embodiment, the needle assembly is configured to automatically withdraw the delivery end of the needle into the housing upon decoupling a bottom surface of the housing from a skin surface.
Claims12
1-52. (canceled)
A cartridge for use with a fluid delivery device comprising:
- a container forming a fluid reservoir having a volume, a pressure and a septum configured to be pierced by a delivery needle, the volume being reduceable to enable insertion of the cartridge into the fluid delivery device prior to engagement with the delivery needle and without changing the pressure of the fluid reservoir.
63-70. (canceled)
Dependencies are inferred from the claim text.