[Technical recommendation for connecting osteosynthesis].

In patients with pathological fractures an operative stabilisation is indicated without delay although 40 to 50% of the patients survive only three to four months. Generally palliative operations are practiced. Mostly a connecting osteosynthesis is carried out in which after resection of the tumorous bone the stability can be achieved by the application of plates and filling of the bone defect with cement. In three examplary cases a technical improvement of the impaction of bone cement is described. Using an exactly cutted packing ring of a single use syringe after the application of the plate the bone cement can be filled in easily. By the casting a penetration of the bone cement into the soft tissues can be avoided. An additional effect is that pins of cement extend into the bone narrow with a sufficient support of the filling on the cortical bone. After the removal of the casting the screws can be inserted in the overbridged defect while the polymerisation has nearly finished.