Evaluation summary: the reported incident could not be confirmed, since the device was not returned for evaluation.Based on investigation and complaint history, the root cause of the determined no expansion was attributed to a user related issue.The smart toe implant no expansion was caused by mismanagement of temperature / use error.When the blood is arrested for a long period, the smart toe can take longer to expand because the temperature of the body is too low.Using warm sterile solution between 37°c and 40°c to bath phalanges allows the smart toe implant to expand properly.A review of the device history was not possible because the lot number was not communicated.No corrective actions are required at this time.Indications for any material, manufacturing or design related problems were not determined in the investigation.If any further information is provided, the investigation report will be updated.
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