Abstract: The suction lavage system of this invention incorporates a pulsatile water lavage in combination with a suction system to improve the interface between a prosthesis, such as a hip replacement, and the interdigitating network of cancellous bone in which it is secured with acrylic cement. The water lavage effectively evacuates the medullary fat and hematopoietic tissue from the trabecular interstices of cancellous bone.The suction irrigation system comprises a probe having two configurations which assist in impinging water on cancellous bone for evacuating fat and tissue along with water to improve the interface between the bone and cement. It has been found that weakening of the interface through stress may result in loosening of a prosthesis. The probe consists of a water conduit generally located on the outside of a suction conduit.