MEDICATION DISTRIBUTION DEVICE
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- AMGEN INC
- Filing Date
- 2020-09-29
- Publication Date
- 2026-06-03
AI Technical Summary
Existing drug delivery devices using coil and spring structures face limitations such as a linear relationship between force and displacement, requiring excessive energy input and increased spring forces for higher viscosity drugs, and lack flexibility in spring design.
A drug delivery device with a plunger biased by a plunger biasing member that rotates and translates linearly, incorporating a plunger guide with a cam and cam follower mechanism, allowing for flexible spring design and reduced part complexity.
The device provides efficient drug delivery with reduced energy input, lower spring forces, and simplified design, facilitating self-administration and caregiver administration of drugs like peptides and antibodies.