US 12,415,064 B2
Adjustable pressure regulating and pressure indicating needle-free connectors
Ankita Jawale, Nashik (IN); Abin Austin, Thrissur (IN); Amarsinh Deeliprao Jadhav, Bangalore (IN); and Kanjimpuredathil Muralikrishna Menon, Bangalore (IN)
Assigned to CAREFUSION 303, INC., San Diego, CA (US)
Filed by CareFusion 303, Inc., San Diego, CA (US)
Filed on Jul. 18, 2022, as Appl. No. 17/867,266.
Claims priority of provisional application 63/301,616, filed on Jan. 21, 2022.
Claims priority of provisional application 63/243,413, filed on Sep. 13, 2021.
Prior Publication US 2023/0078397 A1, Mar. 16, 2023
Int. Cl. A61M 39/24 (2006.01); A61M 39/10 (2006.01)
CPC A61M 39/24 (2013.01) [A61M 39/10 (2013.01); A61M 2205/0216 (2013.01); A61M 2205/3331 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A needle-free connector assembly comprising:
a main housing;
an indicator housing coupled to the main housing;
a bellows disposed in the main housing;
a plunger coupled to the bellows;
an inlet port disposed at an upstream end of the indicator housing;
an outlet port disposed at a downstream end of the main housing;
a valve disposed within the indicator housing and adjacent the inlet port; and
a switch member slidingly disposed in the main housing, wherein the needle-free connector assembly provides both flow regulation and pressure indication when the switch member is in a downstream position, and wherein the needle-free connector assembly provides only pressure indication when the switch member is in an upstream position.