US 12,295,814 B2
Shear resistant wound dressing for use in vacuum wound therapy
Ronald F. Vitaris, Worcester, MA (US); and Bethany A. Vitaris, Worcester, MA (US)
Assigned to Smith & Nephew, Inc., Memphis, TN (US)
Filed by Smith & Nephew, Inc., Memphis, TN (US)
Filed on Feb. 21, 2023, as Appl. No. 18/112,462.
Application 18/112,462 is a continuation of application No. 18/075,304, filed on Dec. 5, 2022, abandoned.
Application 18/075,304 is a continuation of application No. 16/228,595, filed on Dec. 20, 2018, granted, now 11,523,943, issued on Dec. 13, 2022.
Application 16/228,595 is a continuation of application No. 15/192,675, filed on Jun. 24, 2016, granted, now 10,188,555, issued on Jan. 29, 2019.
Application 15/192,675 is a continuation of application No. 14/948,024, filed on Nov. 20, 2015, granted, now 9,375,353, issued on Jun. 28, 2016.
Application 14/948,024 is a continuation of application No. 12/402,840, filed on Mar. 12, 2009, granted, now 9,199,012, issued on Dec. 1, 2015.
Claims priority of provisional application 61/036,275, filed on Mar. 13, 2008.
Prior Publication US 2023/0190534 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 1/00 (2006.01); A61F 13/01 (2024.01); A61F 13/05 (2024.01); A61F 13/00 (2006.01)
CPC A61F 13/05 (2024.01) [A61F 13/01029 (2024.01); A61F 13/01046 (2024.01); A61M 1/78 (2021.05); A61M 1/784 (2021.05); A61M 1/90 (2021.05); A61M 1/915 (2021.05); A61F 2013/00174 (2013.01); A61F 2013/00536 (2013.01); A61F 2013/0054 (2013.01); A61M 1/79 (2021.05); A61M 1/912 (2021.05); A61M 2205/7545 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A vacuum wound therapy system comprising:
a wound dressing configured to be positioned over a wound, the wound dressing comprising:
a contact layer;
an absorbent filler over the contact layer; and
a cover layer over the absorbent filler, the cover layer comprising a first wound facing side and an opposite second side, the cover layer comprising an aperture extending through the cover layer;
a vacuum port adhered to the cover layer of the wound dressing over the aperture in the cover layer of the wound dressing, the vacuum port comprising an opening aligned with the aperture in the cover layer of the wound dressing;
a filter positioned beneath the vacuum port and extending across the opening in the vacuum port; and
a vacuum system configured to be in fluid communication with the wound dressing, the vacuum port is configured to fluidically connect the vacuum system to the wound dressing, the vacuum system comprising:
a vacuum source; and
a collection canister.