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2 words
Cement, Bone Zement, orthopädisch
 
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Definition
 
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Bone Cements definition: Adhesives used to fix prosthetic devices to bones and to cement bone to bone in difficult fractures. Synthetic resins are commonly used as cements. A mixture of monocalcium phosphate, monohydrate, alpha-tricalcium phosphate, and calcium carbonate with a sodium phosphate solution is also a useful bone paste.
BONE CEMENT definition: Polymethylmethacrylate (PMMA) bone cement (luting agent) is a device intended to be implanted that is made from methylmethacrylate, polymethylmethacrylate, esters of methacrylic acid or copolymers containing polymethylmethyacrylate and polystyrene. The device is intended for use in arthroplastic procedures of the hip, knee, and other joints for the fixation of polymer or metallic prosthetic implants to the living bone.
Cement, Orthopedic definition: Acrylic cement made from methylmethacrylate, polymethylmethacrylate (PMMA), esters of methacrylic acid, or copolymers containing PMMA and polystyrene (PMMA). It is used in arthroplastic procedures of the joints for the fixation of polymer or metallic prosthetic implants to the living bone, as well as for fracture fixation.
Orthopedic Cement/Bone Cutting/Extraction Systems, Ultrasonic definition: Orthopedic cement/bone cutting and extraction systems designed for breaking, cutting, removing, and extracting bone fragments and/or 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, two or more handpieces (one handpiece is usually intended for cutting and removal of bone, and the other is intended for cement breakage and removal); and cement-removal probes that may be reusable or intended for single use. The systems may also include vacuum devices with appropriate suction tubes and filters to extract cement/bone fragments, irrigation devices, accessories such as slap hammers, ultrasonic powered instruments (e.g., osteotomes), and endoscopic video systems. Ultrasonic orthopedic bone and cement cutting and extraction systems are used to cut and remove bone fragments during orthopedic procedures (e.g., prosthesis implantation) and/or to remove cement (e.g., mantle, plug) during the removal of old prostheses in revision surgery (e.g., replacement) of hip, knee, and other cemented orthopedic prostheses.
Orthopedic Cement/Bone Cutting/Extraction Systems, Powered Drilling definition: Systems designed for cutting, removal, and extraction of bone and/or orthopedic acrylic cement (typically polymethyl methacrylate [PMMA]) from a previously implanted prosthesis using high-speed powered drills during orthopedic procedures. These systems typically consist of dedicated electric or pneumatic high-speed rotary handpieces with dedicated drills, burs, and saws; they may also include irrigation devices and vacuum devices with appropriate suction tubes and filters to extract cement/bone fragments. Powered drilling orthopedic bone and cement cutting and extraction systems are used to cut and remove bone fragments during orthopedic procedures (e.g., prosthesis implantation) and to remove cement (e.g., mantle, plug) during the removal of old prostheses in revision surgery (e.g., replacement) of hip, knee, and other cemented orthopedic prostheses.
Orthopedic Cement/Bone Cutting/Extraction Systems definition: Systems designed for cutting, removal, and extraction of bone and/or orthopedic acrylic cement (typically polymethyl methacrylate [PMMA]) from a previously implanted prosthesis during orthopedic procedures. These systems typically consist of dedicated powered devices such as electric or pneumatic handpieces and burs or ultrasonic devices, handpieces, and probes either for cutting bones or breaking cement (e.g., plugs). The systems may also include irrigation devices, vacuum devices with appropriate suction tubes and filters to extract cement/bone fragments, and endoscopic video systems. Orthopedic bone and cement cutting and extraction systems are used to cut and remove bone fragments during orthopedic procedures (e.g., prosthesis implantation) and/or to remove cement (e.g., mantle, plug) during the removal of old prostheses in revision surgery (e.g., replacement) of hip, knee, and other cemented orthopedic prostheses.
 
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