(19)

(11)

EP 3 989 836 A1

(12)

(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 20832739.5 (22) Date of filing: 26.06.2020

(51) International Patent Classification (IPC):  A61B 8/00(2006.01) (52) Cooperative Patent Classification (CPC): G01F 23/0007; G01F 1/86; G01F 1/002; G01F 1/66; G01F 23/2961; G01F 23/2965; G01N 29/024; G01N 29/032; G01N 29/326; G01N 29/46; G01N 2291/0258; G01N 29/4454; G01F 23/80 (86) International application number: PCT/US2020/039966 (87) International publication number: WO 2020/264407 (30.12.2020 Gazette 2020/53)

(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: 26.06.2019 US 201962867093 P 29.05.2020 US 202016888469 (71) Applicant: Perceptive Sensor Technologies, Inc. Tucson, AZ 85711 (US)	(72) Inventors: HEIM, James, M. Tucson, Arizona 85711 (US) CROCHET, Earl, J. Tucson, Arizona 85711 (US) COLEMAN, William Tucson, Arizona 85711 (US) BURCHAM, Joel Tucson, Arizona 85711 (US) BIVOLARSKY, Lazar Tucson, Arizona 85711 (US) (74) Representative: Bittner, Bernhard  Hannke Bittner & Partner Patent- und Rechtsanwälte mbB Prüfeninger Strasse 1 93049 Regensburg 93049 Regensburg (DE)