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EP 4 817 138 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898772.9 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  H01S 3/067(2006.01) H01S 3/10(2006.01) G02B 26/08(2006.01) G06K 19/14(2006.01) H01S 3/094(2006.01) A61B 18/20(2006.01) G02B 6/10(2006.01) G02B 27/09(2006.01) (52) Cooperative Patent Classification (CPC): H01S 3/0014; G01M 11/0285; H01S 5/06825 (86) International application number: PCT/US2024/057774 (87) International publication number: WO 2025/117759 (05.06.2025 Gazette 2025/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 30.11.2023 US 202363604618 P 13.05.2024 US 202418662720 (71) Applicant: Innovoyce LLC Boston, MA 02108 (US)	(72) Inventors: WELCHES, Richard Boston, Massachusetts 02108 (US) MAIS, Stephen Boston, Massachusetts 02108 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)