US 12,226,290 B2
Apparatuses and methods for negative pressure wound therapy
Nicola Brandolini, Ravenna (IT); and Felix Clarence Quintanar, Hull (GB)
Assigned to T.J.Smith and Nephew, Limited, Hull (GB)
Filed by T.J.Smith and Nephew,Limited, Hull (GB)
Filed on Sep. 25, 2023, as Appl. No. 18/372,577.
Application 18/372,577 is a continuation of application No. 17/259,891, granted, now 11,819,386, previously published as PCT/EP2019/068201, filed on Jul. 8, 2019.
Claims priority of application No. 1811449 (GB), filed on Jul. 12, 2018.
Prior Publication US 2024/0091068 A1, Mar. 21, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 13/05 (2024.01); A61M 1/00 (2006.01)
CPC A61F 13/05 (2024.01) [A61M 1/913 (2021.05); A61M 1/915 (2021.05); A61M 1/964 (2021.05); A61M 1/966 (2021.05); A61M 1/985 (2021.05); A61M 2205/75 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system to provide negative pressure to a wound site comprising:
a source of negative pressure; and
a suction adapter comprising:
a first fluid passage, wherein the first fluid passage is configured to be in fluid communication with the source of negative pressure;
a second fluid passage, wherein the second fluid passage is configured to provide air from an air leak; and
at least two openings at a distal end of the suction adapter configured to be positioned over an opening in a wound cover placed over the wound site, wherein a first opening of the at least two openings is fluidically connected to the first fluid passage and a second opening of the at least two openings is fluidically connected to the second fluid passage,
wherein when negative pressure from the source of negative pressure is applied to the first fluid passage to provide negative pressure to the wound site with the distal end of the suction adapter positioned over the opening in the wound cover placed over the wound site, air is drawn through the air leak toward the wound site, through the second opening, under the wound cover, and through the first opening to the first fluid passage.