The attending, along with a fellow, were using the blazer-c from benvenue medical in the first lumbar vertebrae of the spine from a left pedicular access.The 11ga diamond tip single step introducer was advanced to the anterior portion of l1 vertebrae married with the 10ga working cannula.The 11ga diamond tip single step introducer was removed and the blazer c augmentation device was deployed.While advancing the blazer c's coil, the knob snapped.The blazer c was removed and the 10ga working cannula was to be removed.However, upon trying to retrieve the cannula, it started to unravel.The beveled tip was left in the l1 vertebral body but most of the cannula was removed.Manufacturer response for blazer c introducer kit, blazer c (per site reporter): do not have follow up from the manufacturer yet.
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