(19)
(11)EP 4 221 808 A1

(12)

(43)Date of publication:
09.08.2023 Bulletin 2023/32

(21)Application number: 21795153.2

(22)Date of filing:  27.09.2021
(51)International Patent Classification (IPC): 
A61M 39/24(2006.01)
F16K 37/00(2006.01)
F16K 15/14(2006.01)
(52)Cooperative Patent Classification (CPC):
F16K 37/0058; A61M 39/24; A61M 2039/2453; A61M 2205/0227; A61M 2205/583; A61M 2205/585; F16K 15/141; A61M 5/1415
(86)International application number:
PCT/US2021/052238
(87)International publication number:
WO 2022/072285 (07.04.2022 Gazette  2022/14)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30)Priority: 29.09.2020 US 202017037450

(71)Applicant: CareFusion 303, Inc.
San Diego, CA 92130 (US)

(72)Inventor:
  • YAMIN, Leyla
    San Diego, California 92103 (US)

(74)Representative: Zenz Patentanwälte Partnerschaft mbB 
Gutenbergstraße 39
45128 Essen
45128 Essen (DE)

  


(54)COLOR CHANGING AND PRESSURE SENSING CHECK VALVES