Surgery – Instruments – Orthopedic instrumentation
Patent
1990-01-16
1990-10-30
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
606 94, 604232, 55189, 55193, A61M 5245, A61F 504, B01D 3900
Patent
active
049666010
ABSTRACT:
The invention relates to an evacuatable bone cement syringe comprising a container (8) for receiving the bone cement prior to its application, and comprising a pressure generating apparatus for precompressing the bone cement in the container (8). A bell (100) comprising a vacuum tube (110) is placed over the container (8) and held in place by a flange (105) so that the gases which escape during the process of precompression can be sucked off. In this way it is possible to reduce the porosity of the bone cement which is being applied.
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Hafer Robert A.
Muir D. Neal
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