公开(公告)号：US20210361875A1

公开(公告)日：2021-11-25

申请号：US16965865

申请日：2019-02-05

Applicant: BAYER HEALTHCARE LLC

Inventor： Kevin Cowan ,  Michael Spohn ,  Michael Swantner ,  James Mierzwiak ,  David Berry ,  Barry Tucker ,  Arthur Uber, III

IPC: A61M5/315

Abstract: A rolling diaphragm syringe for receiving a medical fluid therein, the rolling diaphragm syringe comprising a sidewall that is flexible and rolls upon itself when acted upon by the piston such that an outer surface of the sidewall is rolled in a radially inward direction as the piston is advanced from the proximal end to the distal end, and wherein at least a portion of an inner surface of the flexible sidewall comprises at least one surface texturization feature.