US 11,717,655 B2
Apparatus for topical negative pressure therapy
Kristian Hall, Hessle (GB); and Edward Yerbury Hartwell, Hull (GB)
Assigned to Smith & Nephew PLC, Watford (GB)
Filed by Smith & Nephew PLC, Watford (GB)
Filed on Sep. 2, 2022, as Appl. No. 17/929,496.
Application 17/929,496 is a continuation of application No. 16/791,985, filed on Feb. 14, 2020, granted, now 11,433,176.
Application 16/791,985 is a continuation of application No. 15/797,899, filed on Oct. 30, 2017, granted, now 10,561,769, issued on Feb. 18, 2020.
Application 15/797,899 is a continuation of application No. 14/267,721, filed on May 1, 2014, granted, now 9,801,985, issued on Oct. 31, 2017.
Application 14/267,721 is a continuation of application No. 12/746,458, granted, now 8,734,410, issued on May 27, 2014, previously published as PCT/GB2008/051118, filed on Nov. 26, 2008.
Claims priority of application No. 0723872 (GB), filed on Dec. 6, 2007.
Prior Publication US 2023/0020747 A1, Jan. 19, 2023
Int. Cl. A61M 27/00 (2006.01); A61M 1/00 (2006.01)
CPC A61M 27/00 (2013.01) [A61M 1/85 (2021.05); A61M 1/86 (2021.05); A61M 1/90 (2021.05); A61M 1/915 (2021.05); A61M 1/964 (2021.05); A61M 1/962 (2021.05)] 20 Claims
OG exemplary drawing
 
1. A topical negative pressure apparatus, comprising:
a port comprising:
a base portion configured to be attached to a sealing membrane of a topical negative pressure dressing,
an aperture in the base portion configured to communicate with a wound cavity under the dressing through an opening formed in the sealing membrane, wherein the port is configured to be attached to the sealing membrane,
a housing comprising a passage, the passage having a distal end located at the aperture and a proximal end, and
a partition positioned within the housing, the partition extending at least partially over the aperture; and
a connector comprising an air bleed.