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A user facility reported a blister to the patient's neck one day post thermage flx treatment.An available picture was reviewed by the medical reviewer and three to four minor blisters were visible on patient's neck.The patient was treated with topical corticosteroid and the patient's current status is listed as a residual erythematous lesion.It is unknown if there be any permanent damage or scarring.No other treatments (besides the one reported) being performed in the same area where symptoms were reported.The patient has not undergone any other treatments in the same symptom area within the past 90 days, nor has the patient ever had prior aesthetic treatments on this area.The patient was not administered any pain medication or placed under anesthesia.The incident occurred between 2-3 reps.When asking the customer if a system error or something out of the ordinary was noticed during treatment, they replied yes but did not provide details.A stamping method was used.Solta cryogen and 3/4 a bottle of solta unscented coupling fluid were used.The treatment tip surface was inspected prior to use and nothing remarkable was noted.The treatment tip surface was not inspected during the treatment.The tip used in this treatment has not been used to treat other patients or used previously.Based on the review by the medical reviewer, this case was assessed as a serious injury and deemed to be reportable.
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The treatment tip and data log were returned for evaluation.Evaluation of the treatment tip found no issues related to this event.The tip passed leak test, thermistor test, and visual inspection.No dents, scratches, blemishes, or dielectric membrane breakdown were observed.It was unknown what type of system errors occurred during the treatment.However, evaluation of the data log found that the following errors occurred during treatment: quantity - error id - description - percent of reps: 1 - e2212 - err_crit_write_check_error - 0.17%.1 - ec78b - err_treatment_tip_force_low - 0.17%.1 - ec78c - err_treatment_tip_temp_high - 0.17%.1 - ec78e - err_force_before_activation - 0.17%.When the system detects a condition that interrupts treatment, a system error code is displayed.These system error codes provide an error code number and instructions for how to respond to the error.In the event of a system error, the user needs to intervene and follow the onscreen instructions to proceed with treatment.Based on the evaluation of the data, the system and handpiece perform as expected.According to the thermage flx system user manual, blisters and hyperpigmentation are known possible side effects of thermage flx treatment.The procedure produces heating in the upper layers of the skin and may cause burns and subsequent blister and scab formation.There is a small chance of scar formation.Hyperpigmentation usually resolves over the course of time (within several months).No nonconformities or anomalies were found related to this complaint when reviewing the device history record.The lot history, trend analysis, risk analysis and directions for use review were considered acceptable, with the product performing within anticipated rates.Based on the available information, blisters and hyperpigmentation are known possible side effects of thermage flx treatment.At this time, no capa is necessary.
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