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US 11,925,791 B2Granted
Syringe plunger with hinged flange
AssigneeAvent, Inc.
InventorBenjamin M. Davis
Life of this patent
Estimating the term…
Abstract
A plunger for movably mounting within a cavity or barrel of a syringe. The plunger includes a contact face having a flange movably mounted thereto, wherein the flange is movable between an open configuration wherein an opening is formed between the flange and a portion of the plunger, the opening configured for engagement with an IV hook or other engagement member, and a closed configuration wherein the upper surfaces of the contact face and the flange are generally planar with one another.
Claims11
A syringe, comprising:
- a syringe barrel;
- and
- a syringe plunger adapted to advance and retract within the syringe barrel, the syringe plunger comprising a circular, disc-shaped contact flange with a fixed portion having an upper surface and a hinged portion having an upper surface, the disc-shaped contact flange being formed by the upper surface of the fixed portion and the up per surface of the hinged portion, the hinged portion movable between a retracted position in which the upper surface of the fixed portion and the upper surface of the hinged portion respectively are substantially planar relative to each other and an extended position in which the upper surface of the hinged portion extends at an angle relative to the fixed portion, the retracted position adapted for use with a syringe pump or manual actuation, the extended position adapted for hanging from a support,
- wherein the fixed portion comprises a platform and the hinged portion comprises at least one surface configured for coupling interengagement with the platform in the retracted position in which the at least one surface of the hinged portion is positioned above and rests on the platform, and
- wherein the fixed portion is non-circular shaped.
2 more elements
Dependencies are inferred from the claim text.