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    • 6. 发明授权
    • Removable wound closure
    • 可拆卸伤口闭合
    • US07381859B2
    • 2008-06-03
    • US10275671
    • 2001-05-09
    • Kenneth HuntKeith HeatonWayne Schroeder
    • Kenneth HuntKeith HeatonWayne Schroeder
    • A61F13/00
    • A61F13/00068A61F13/00042A61F13/0216A61F2013/0028A61L15/22A61L15/24A61L15/26A61L15/425A61M1/0088A61M27/00
    • A system and method for the temporary closure of a wound, especially an abdominal wound, to facilitate re-entry, final closure, and long term healing of the wound. An abdominal wound dressing and methods of use are described that enable the application of negative pressure to the wound site in a site healing promoting manner while also limiting the formation of adhesions that would prevent the removal of the dressing. The dressing comprises a layer of porous foam material (36) enclosed by sheets of elastomeric material (38) punctuated by a number of appropriately placed holes (34). Multiple layers of porous foam may also be used. A suction tube connector (16) is provided on an upper surface of a layer of foam (12) for connection to a negative pressure source. At least one layer of foam is enclosed in elastomeric material and is placed in direct contact with the tissue within the open wound. Fluids are drawn by negative pressure through the holes positioned in the elastomeric envelope, and through the foam. If multiple foam layers are employed, the lower layer(s) of foam are of a finer porosity while the upper layer of foam is coarse. An adhesive elastomeric sheet (14) covers the entire wound dressing and seals the edges to the skin surrounding the wound. An appropriate vacuum device is attached to the suction tube connector.
    • 用于暂时闭合伤口,特别是腹部伤口以便于重新进入,最终关闭和伤口的长期愈合的系统和方法。 描述了腹部伤口敷料和使用方法,其能够以位置愈合促进方式对伤口部位施加负压,同时还限制了防止敷料除去的粘连的形成。 敷料包括由多个适当放置的孔(34)标出的弹性材料片(38)包围的多孔泡沫材料层(36)。 也可以使用多层多孔泡沫。 吸入管连接器(16)设置在用于连接到负压源的泡沫层(12)的上表面上。 至少一层泡沫被包裹在弹性体材料中,并且与开放伤口内的组织直接接触。 流体通过位于弹性体外壳中的孔和通过泡沫的负压被拉伸。 如果使用多个泡沫层,则泡沫的下层具有更细的孔隙度,而泡沫的上层是粗糙的。 粘合的弹性片(14)覆盖整个伤口敷料并且将边缘密封到围绕伤口的皮肤上。 吸入管连接器上安装一个适当的真空装置。