Oxygen therapy with fluid removal
    294.
    发明授权

    公开(公告)号:US11547789B2

    公开(公告)日:2023-01-10

    申请号:US16646464

    申请日:2018-08-21

    Abstract: An apparatus for treating a tissue site includes a dressing, an oxygen source, a valve, and a negative-pressure source. The dressing is configured to be sealed around the tissue site. The oxygen source is fluidly coupled to the dressing and configured to provide a low flow of oxygen. A first port of the valve is fluidly coupled to the dressing and the valve moves between a closed position preventing flow through the valve and an open position permitting flow through the valve. The negative-pressure source is fluidly coupled to a second port of the valve and provides negative pressure to the second port of the valve at a non-therapeutic level. The valve separates the negative-pressure source from the dressing and selectively opens when a positive pressure is applied on an upstream side of the valve.

    Reduced-pressure treatment and debridement systems and methods

    公开(公告)号:US11529453B2

    公开(公告)日:2022-12-20

    申请号:US16206560

    申请日:2018-11-30

    Abstract: A reduced-pressure treatment system for debriding a treatment area of a tissue site and applying reduced pressure is disclosed. The reduced-pressure treatment system includes a hydrogel having a blocked acid debriding agent. The hydrogel is adapted to cover the treatment area and enhance autolytic debridement at the treatment area. The reduced-pressure treatment system includes a manifold that is adapted to cover the hydrogel and distribute reduced pressure to the tissue site. The reduce-pressure treatment system also includes a sealing drape for forming a fluid seal over the tissue site and manifold. Other systems, methods, and dressings are presented.

    Multi-layer compartment dressing and negative-pressure treatment method

    公开(公告)号:US11285048B2

    公开(公告)日:2022-03-29

    申请号:US16632651

    申请日:2018-07-24

    Abstract: A dressing for treating a tissue site, particularly a peritoneal or abdominal site, is disclosed. The dressing may comprise: first and second layers, each being made from a liquid-impermeable material and being at least partially fenestrated, the layers being coupled together to define a chamber therebetween; and disposed within the chamber a third layer comprising a manifold having a central region, and a perimeter region containing perforations arranged in a pattern defining a plurality of sub-regions. The first and second layers can be coupled using a plurality of welds or bonds through the perimeter region perforations. Optionally, the manifold does not comprise, and the chamber does not contain, any manifolding elements extending outward from an outer edge of the perimeter region.

    Multi-layer wound filler for extended wear time

    公开(公告)号:US11179512B2

    公开(公告)日:2021-11-23

    申请号:US16000215

    申请日:2018-06-05

    Abstract: A dressing or wound filler comprising a laminate structure of film materials. In one example embodiment, a dressing may include a first layer comprising a first film, a second layer adjacent to the first layer and comprising a second film, and a third layer comprising a material having closed cells. The first layer may further include a plurality of fluid restrictions. The second layer may include blisters and apertures to allow fluid transfer through the second film. The third layer may include closed cells and apertures between the closed cells to allow fluid transfer through the third layer. The dressing may further include a fourth layer adjacent to the third layer opposite the second layer, which may include a fourth film having blisters and apertures. The dressing may also include a fifth layer, which may be adjacent to the fourth layer opposite the third layer. The fifth layer may include a film and a second plurality of fluid restrictions.

Patent Agency Ranking