An open cavity, reduced pressure treatment system for treating a body cavity, comprising: a treatment device , comprising: a plurality of encapsulated leg members , each encapsulated leg member having an interior portion with a leg manifold member positioned therein, the plurality of encapsulated leg members including fenestrations to allow fluid flow between an outer surface of the encapsulated leg members and the interior portion , and a central connection member having a connection manifold member, wherein the plurality of leg manifold members are in fluid communication with the connection manifold member , and wherein the central connection member comprises a first connection encapsulation member formed with fenestrations and having a peripheral edge; a second connection encapsulation member formed with fenestrations ; and wherein the peripheral edge of the first connection encapsulation member is coupled at least in part to the second connection encapsulation member ; a manifold for disposing proximate the first connection encapsulation member , such that when a reduced pressure is applied to the manifold , the reduced pressure causes fluid to flow from the connection manifold member through the fenestrations of the first connection encapsulation member into the manifold ; and a sealing member operable to form a pneumatic seal over the body cavity. a treatment device , comprising: a plurality of encapsulated leg members , each encapsulated leg member having an interior portion with a leg manifold member positioned therein, the plurality of encapsulated leg members including fenestrations to allow fluid flow between an outer surface of the encapsulated leg members and the interior portion , and a central connection member having a connection manifold member, wherein the plurality of leg manifold members are in fluid communication with the connection manifold member , and wherein the central connection member comprises a first connection encapsulation member formed with fenestrations and having a peripheral edge; a second connection encapsulation member formed with fenestrations ; and wherein the peripheral edge of the first connection encapsulation member is coupled at least in part to the second connection encapsulation member ; a manifold for disposing proximate the first connection encapsulation member , such that when a reduced pressure is applied to the manifold , the reduced pressure causes fluid to flow from the connection manifold member through the fenestrations of the first connection encapsulation member into the manifold ; and a plurality of encapsulated leg members , each encapsulated leg member having an interior portion with a leg manifold member positioned therein, the plurality of encapsulated leg members including fenestrations to allow fluid flow between an outer surface of the encapsulated leg members and the interior portion , and a central connection member having a connection manifold member, wherein the plurality of leg manifold members are in fluid communication with the connection manifold member , and wherein the central connection member comprises a first connection encapsulation member formed with fenestrations and having a peripheral edge; a second connection encapsulation member formed with fenestrations ; and wherein the peripheral edge of the first connection encapsulation member is coupled at least in part to the second connection encapsulation member ; a manifold for disposing proximate the first connection encapsulation member , such that when a reduced pressure is applied to the manifold , the reduced pressure causes fluid to flow from the connection manifold member through the fenestrations of the first connection encapsulation member into the manifold ; and a sealing member operable to form a pneumatic seal over the body cavity. <EOS>