Infusion device with automatic insertion and introducer needle retraction
AssigneeBecton, Dickinson and Company
InventorsRalph L. Sonderegger, Weston F. Harding
Life of this patent
Estimating the term…
Abstract
An infusion device (10) includes one or more of automatic insertion and retraction of an introducer needle (40) and catheter (28), introducer needle safety and extension set. The device (10) can further comprise a top-push button (16) activation feature, a side-push button (402) activation feature or a rotary-button (412) activation feature, and one or more of a manual interlock of an outer barrel and base, and a manual interlock for an extension set top and base. Packaging (500) for an integrated and/or removable inserter with activation button protection is also disclosed.
Claims8
An infusion device, comprising:
- an inserter for inserting a catheter into a skin surface, said inserter comprising an infusion device housing, said infusion device housing comprising a catheter and driver for inserting said catheter into a skin surface;
- an infusion device base for rotatably securing thereon said infusion device housing, said infusion device base comprising at least one adhesive layer for releasably securing said infusion device base with said skin surface;
- and
- an introducer needle and a hub, wherein said driver comprises a push button configured to travel substantially perpendicular to said skin surface and rotate said hub into a release position;
- wherein the infusion device housing is rotatable relative to the infusion device base and wherein:
- said hub comprises a retention sear, and
- said infusion device housing comprises a cam slot for slidably receiving said retention sear and for rotating said infusion device housing relative to said hub into said release position as said push button is pressed.
Dependencies are inferred from the claim text.