US 12,064,598 B2
Infusion pump control unit keypad
James Dieckman, San Diego, CA (US); Raphael Lozano, San Diego, CA (US); and Hao Ton-That, San Diego, CA (US)
Assigned to CAREFUSION 303, INC., San Diego, CA (US)
Filed by CareFusion 303, Inc., San Diego, CA (US)
Filed on Oct. 29, 2021, as Appl. No. 17/514,794.
Claims priority of provisional application 63/140,137, filed on Jan. 21, 2021.
Prior Publication US 2022/0226570 A1, Jul. 21, 2022
Int. Cl. A61M 5/172 (2006.01); F21V 23/04 (2006.01); F21V 31/00 (2006.01); G06F 3/02 (2006.01)
CPC A61M 5/172 (2013.01) [F21V 23/04 (2013.01); F21V 31/005 (2013.01); A61M 2205/502 (2013.01); A61M 2205/587 (2013.01); A61M 2207/10 (2013.01); G06F 3/0202 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An infusion pump control unit keypad assembly, comprising:
a cover assembly having an outer surface and an inner surface;
a perimeter gasket disposed within a raised perimeter on the outer surface of the cover assembly;
a lens coupled to the outer surface of the cover assembly;
a circuit assembly coupled to the outer surface of the cover assembly;
a switch assembly coupled to the circuit assembly;
a shield assembly coupled to the switch assembly, the shield assembly comprising an electrostatic discharge shield;
a light assembly coupled to the shield assembly; and
an overlay assembly coupled to the light assembly.