公开(公告)号：US20210060258A1

公开(公告)日：2021-03-04

申请号：US17009868

申请日：2020-09-02

Applicant: AMGEN INC.

Inventor： Wael Mismar ,  Jessica Hai Liu ,  Dylan Bourelle ,  Chia-Jung Wu ,  Shaun Devitt ,  Kenneth G. Schalhoub ,  Tej Desai ,  Mads Schjoth Due ,  Anthony Bitong ,  Arin Keshishian ,  Chelsea Balli-Cruz ,  Pierre Burquel ,  Ryan Oba ,  Malak Guirguis

IPC: A61M5/315 ,  A61M5/00 ,  A61M5/31 ,  A61K38/17 ,  A61K39/395

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.

公开(公告)号：US12059555B2

公开(公告)日：2024-08-13

申请号：US17009868

申请日：2020-09-02

Applicant: AMGEN INC.

Inventor： Wael Mismar ,  Jessica Hai Liu ,  Dylan Bourelle ,  Chia-Jung Wu ,  Shaun Devitt ,  Kenneth G. Schalhoub ,  Tej Desai ,  Mads Schjoth Due ,  Anthony Bitong ,  Arin Keshishian ,  Chelsea Balli-Cruz ,  Pierre Burquel ,  Ryan Oba ,  Malak Guirguis

IPC: A61M5/31 ,  A61M5/00 ,  A61K38/17 ,  A61K39/395 ,  A61M5/315

CPC classification number: A61M5/3137 ,  A61M5/002 ,  A61K38/179 ,  A61K39/395 ,  A61M5/001 ,  A61M2005/3139 ,  A61M5/31505

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.

公开(公告)号：US20240366877A1

公开(公告)日：2024-11-07

申请号：US18674549

申请日：2024-05-24

Applicant: AMGEN INC.

Inventor： Wael Mismar ,  Jessica Hai Liu ,  Dylan Bourelle ,  Chia-Jung Wu ,  Shaun Devitt ,  Kenneth G. Schalhoub ,  Tej Desai ,  Mads Schjoth Due ,  Anthony Bitong ,  Arin Keshishian ,  Chelsea Balli-Cruz ,  Pierre Burquel ,  Ryan Oba ,  Malak Guirguis

IPC: A61M5/31 ,  A61K38/17 ,  A61K39/395 ,  A61M5/00 ,  A61M5/315

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.