Case involved a 20 y/o female with a left radus fracture due to a suspected pathology of fibrous dysplasia.Physician gained access to the intramedullary canal using technique described in product labeling which included insertion of a guidewire, sheath and dilator.The balloon implant was then prepped and the dilator and wire removed leaving the sheath in place.The balloon implant was a few mm long but decided ot go forth with the procedure.The balloon implant was inserted and inflated with the monomer.The rep reported that he observed the fluorography screen which demonstrated excellent inflation pattern.The resident attending the case stated that the balloon had reached a point where no more monomer was required.During the curing process it was noticed that the sheath had not been removed as per the device's instructions for use.This was noticed by the rep who informed the physician that removal of the sheath prior to inflation was required.Given the internal pressure of the inflated and cured implant it was difficult to remove the tear away sheath as part was contained between the balloon and the medullary canal.Only approximately 2/3 was removed leaving 1/3 in the patient pinned between the balloon and bone.The physician made no attempt to remove the piece of sheath remaining.The surgeon acknowledged the mistake and after the physician met with the family the rep spoke with the physician who reported that while not ideal, he did not appear overly concerned about the sheath and was hopeful to get rotational stability given the additional layer of material between the implant and bone.To be conservative, the physician decided to cast the patient and will be following-up the patient.The instructions for use clearly state to remove the tear away sheath from the canal, leaving the balloon in place, before filling the balloon with monomer.Follow-up report information: 1) physician stated that at two-week followup patient "was doing fine".2) sales rep.Discussed the procedure again with the physician and incident at length following the case.
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