Pressure injection of bone cement apparatus and method

作者: Jo Miller

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摘要: A penetrating bone cement, for example a cement having viscosity at 68° to 70° F. of less than 5000 poise and, preferably, 2000 up the fifth or sixth minute after is mixed, injected under high pressure such that penetrates trabeculae provide an improved fixation interface between and bone. The placed within reinforced, front loading cartridge plunger one end thereof nozzle other thereof. engages injection gun including housing axially supporting rod with respect cartridge. Carried on forward engaging member cooperating lever pivoted housing. Manual rotation forces force into single manual actuation results in extrusion approximately two cubic cm from through nozzle. In preferred embodiment, flanged by means bezel. form trigger pivotally connected handle notch member. rearward also provided prevent movement release pin releasably includes closure cap which contains front-loading configured receive plurality different shaped tips.

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