(19)
(11) EP 4 739 263 A1

(12)

(43) Date of publication:
13.05.2026 Bulletin 2026/20

(21) Application number: 24739527.0

(22) Date of filing: 03.07.2024
(51) International Patent Classification (IPC): 
A61F 13/05(2024.01)
A61M 1/00(2006.01)
A61F 13/00(2024.01)
(52) Cooperative Patent Classification (CPC):
A61F 13/05; A61F 2013/00174; A61F 2013/00357; A61F 2013/00536; A61F 2013/0054; A61F 2013/00842; A61M 1/915; A61M 1/916
(86) International application number:
PCT/EP2024/068767
(87) International publication number:
WO 2025/008417 (09.01.2025 Gazette 2025/02)
(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: 05.07.2023 GB 202310268

(71) Applicant: T.J.Smith and Nephew,Limited
Hull HU3 2BN (GB)

(72) Inventors:
  • BROWNHILL, Varuni, Rachindra
    Hull HU3 2BN (GB)
  • HARTWELL, Edward, Yerbury
    Hull HU3 2BN (GB)
  • LAITENBERGER, Peter, Georg
    Cambridge CB4 3DN (GB)
  • MUNRO, Alfred, Charles, Percey
    Cambridge Cambridgeshire CB4 3DN (GB)
  • PARRY, Luke, Michael
    Hull HU3 2BN (GB)
  • RAWSON, Neill, John
    Hull HU3 2BN (GB)
  • SABBERTON, Iain, James
    Cambridge CB4 3DN (GB)
  • WEBSTER, Iain
    York, YO41 5LW (GB)

(74) Representative: Appleyard Lees IP LLP 
G Mill Dean Clough Industrial Park
Halifax HX3 5AH
Halifax HX3 5AH (GB)

   


(54) NEGATIVE PRESSURE WOUND THERAPY DEVICES AND METHODS