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  • Orthopedic cement extraction systems designed for the breakage, removal, and extraction of orthopedic acrylic cement (typically polymethyl methacrylate [PMMA]) from a previously implanted prosthesis using ultrasonic energy during orthopedic procedures. These systems typically consist of a dedicated ultrasonic generator with appropriate controls, one or more ultrasound handpieces, and cement-removal probes that may be reusable or intended for single use. The systems may also include irrigation devices, vacuum devices with appropriate suction tubes and filters to extract cement/bone fragments, accessories such as slap hammers, and endoscopic video systems. Ultrasonic orthopedic cement extraction systems are used mainly to remove cement (e.g., mantle, plug) during the removal of prostheses in revision surgery (e.g., replacement) of hip, knee, and other cemented orthopedic prostheses.
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