The folks in the white lab coats want to treat your spine like a stack of dry bricks. They want to cut, fuse, and install hardware. But from an engineering perspective, the connective tissues of the body are not static solids; they are pressurized fluid systems. The synovial joints, the avascular discs, the nerves, the ligaments, and the cartilage can all be serviced at the same time as a hydraulic system using a hydrocolloid gel.