A surgical system including an implantable medical device having a size and shape. The surgical device having a substrate and a coating that covers at least a portion of the substrate. The coating including collagen, glycerin and a hemostatic agent. The substrate including a first piece and a second piece that is joined with the first piece. The first piece and the second piece forming a pocket having a cavity and an opening that is in communication with the cavity. The device being pre-formed such that a size and shape of the cavity conforms to the size and shape of the implantable medical device.