Patent · US Active

Injection device for drug delivery and packaging for the injection device

US12059555B2 · kind B2 · utility

1Cited by

32References

27Claims

0Family size

Assignee

AMGEN INC. · US

Inventors

Wael Mismar · Redondo Beach, US
Jessica Hai Liu · Craydon Court, US
Dylan Bourelle · Calabasas, US
Chia-Jung Wu · Hsinchu, TW
Shaun Devitt · Wayne, US
Kenneth G. Schalhoub · Denver, US
Tej Desai · Thousand Oaks, US
Mads Schjoth Due · Redondo Beach, US
Anthony Bitong · Calabasas, US
Arin Keshishian · Highway Highlands, US
Chelsea Balli-Cruz · Chatsworth Lake Manor, US
Pierre Burquel · Miraleste, US
Ryan Oba · Santa Paula, US
Malak Guirguis · Los Angeles, US

Key dates

Filing date	Sep 2, 2020
Grant date	Aug 13, 2024
Priority date	—
Expiry date	Sep 2, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2005/3139
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An injection device is provided, including a syringe having a barrel and a flange and a backstop configured to be coupled with the syringe adjacent to the flange. The backstop includes an inner surface generally extending around at least a portion of the syringe, wherein the inner surface includes at least one protrusion extending away from the inner surface and configured to engage the flange and/or the barrel to permit or promote airflow through a space between the inner surface and the syringe.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.