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The set time can be tailored to help the physician safely apply the bone cement into the bone bed to either anchor metal or plastic prosthetic device to bone or used alone in the spine to treat osteoporotic compression fractures. Bone cement heats up during the exothermic free-radical polymerization process, which reaches temperatures of around ...
The risk of new fractures following these procedures does not appear to be changed; however, evidence is limited, [17] and an increase risk as of 2012 is not ruled out. [25] Pulmonary cement embolism is reported to occur in approximately 2-26% of procedures. [26] It may occur with or without symptoms. [26]
A compression fracture is a collapse of a vertebra. It may be due to trauma or due to a weakening of the vertebra (compare with burst fracture ). This weakening is seen in patients with osteoporosis or osteogenesis imperfecta , lytic lesions from metastatic or primary tumors , [ 1 ] or infection. [ 2 ]
Bone healing, or fracture healing, is a proliferative physiological process in which the body facilitates the repair of a bone fracture. Generally, bone fracture treatment consists of a doctor reducing (pushing) displaced bones back into place via relocation with or without anaesthetic, stabilizing their position to aid union, and then waiting ...
MICP has been shown to prolong concrete service life due to calcium carbonate precipitation. The calcium carbonate heals the concrete by solidifying on the cracked concrete surface, mimicking the process by which bone fractures in human body are healed by osteoblast cells that mineralize to reform the bone. [ 36 ]
The sliding screw plate (dynamic compression screw, dynamic hip screw) may be used to treat intertrochanteric fractures as well as other injuries. This device consists of a lag screw and a side plate with a barrel. The sliding screw telescopes and provides fixation while allowing impaction to occur at the fracture during healing and weight ...
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For fragmentary bone fractures, bridging plates can be used to hold the bone in place when there are no anchor points at the fracture point. Bridging can allow for relative stability along the bone, while not disturbing the bone fragments. [6] Buttress Buttress plates, or concave plates, are useful for fractures along concave surfaces.