公开(公告)号：US11547794B2

公开(公告)日：2023-01-10

申请号：US16714980

申请日：2019-12-16

Applicant: BAYER HEALTHCARE LLC

Inventor： Michael Swantner ,  Richard Seman ,  Barry Tucker ,  Arthur Uber, III ,  Kevin Cowan ,  James Dedig ,  Christopher Capone ,  Jaroslaw Wlodarczyk

IPC: A61M5/145 ,  A61M5/315

Abstract: A plunger for use with a syringe has a plunger body with a proximal end, a distal end, and a circumferential sidewall extending between the proximal end and the distal end along a plunger longitudinal axis. The plunger further has at least one resiliently deflectable retaining member having a first segment attached to the plunger body and a second segment protruding toward the distal end of the plunger body and deflectable relative to the first segment. The plunger further has at least one actuation member associated with the at least one resiliently deflectable retaining member. The at least one actuation member interacts with a piston to deflect the at least one resiliently deflectable retaining member upon rotation of the plunger relative to the piston. The plunger is engageable with the piston regardless of a rotational orientation of the piston relative to the plunger.

公开(公告)号：US12102793B2

公开(公告)日：2024-10-01

申请号：US18093946

申请日：2023-01-06

Applicant: BAYER HEALTHCARE LLC

Inventor： Michael Swantner ,  Richard Seman ,  Barry Tucker ,  Arthur Uber, III ,  Kevin Cowan ,  James Dedig ,  Christopher Capone ,  Jaroslaw Wlodarczyk

IPC: A61M5/145 ,  A61M5/315

CPC classification number: A61M5/14566 ,  A61M5/31515 ,  A61M5/14546 ,  A61M2005/14573

Abstract: A plunger for use with a syringe has a plunger body with a proximal end, a distal end, and a circumferential sidewall extending between the proximal end and the distal end along a plunger longitudinal axis. The plunger further has at least one resiliently deflectable retaining member having a first segment attached to the plunger body and a second segment protruding toward the distal end of the plunger body and deflectable relative to the first segment. The plunger further has at least one actuation member associated with the at least one resiliently deflectable retaining member. The at least one actuation member interacts with a piston to deflect the at least one resiliently deflectable retaining member upon rotation of the plunger relative to the piston. The plunger is engageable with the piston regardless of a rotational orientation of the piston relative to the plunger.

公开(公告)号：USD1031029S1

公开(公告)日：2024-06-11

申请号：US29717928

申请日：2019-12-19

Applicant: Bayer HealthCare LLC

Designer： Michael Swantner ,  Richard Seman ,  Kevin Cowan ,  Arthur Uber, III

Abstract: FIG. 1 is a bottom perspective view of a syringe plunger showing our new design;
FIG. 2 is a bottom view thereof;
FIG. 3 is a front elevation view thereof, the rear elevation view being a mirror image thereof;
FIG. 4 is a left side elevation view thereof, the right side elevation view being a mirror image thereof;
FIG. 5 is a longitudinal cross-sectional view thereof taken along line 5-5 shown in FIG. 2; and,
FIG. 6 is a latitudinal cross-sectional view thereof taken along line 6-6 shown in FIG. 2.
The portions of the syringe plunger shown in broken lines form no part of the claimed design. Indicia shown in broken lines having a dash-dot-dash format is used to indicate a boundary of the claimed design.