US Patent 8641694 Fluid containment pouch

A fluid containment pouch is provided that includes a first layer of material having a first thermal characteristic and a second layer of material having a second thermal characteristic. The first layer of material is thermally compatible with a patient covering upon which it is to be thermally bonded. Thermal bonds between the fluid containment pouch and the patient covering form fluid containment channels that retain expelled body fluids during a patient's operation to help maintain a sterile operating environment.