DEPUY MITEK LLC US 4.0MM ROUND BURR PLUS 5PK; ARTHROSCOPIC SHAVER SYSTEM BLADE, SINGLE-USE
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Catalog Number 283459 |
Device Problem
Mechanical Jam (2983)
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Patient Problem
No Consequences Or Impact To Patient (2199)
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Event Date 03/07/2019 |
Event Type
malfunction
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Manufacturer Narrative
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If additional information should become available, a supplemental medwatch will be submitted accordingly.Udi: (b)(4).The complaint device was received and evaluated.The complaint can be confirmed.The assemblies could not be rotated freely per the drawing specification.Per the ifu, proper irrigation should be used when operating this device.If proper irrigation is not used, then excess tissue build up can occur between the inner and outer blades.Also, inadequate irrigation can allow for heat build up between the blades and can cause a weld between the blades.The combination of excess tissue build us and the weld occurring between the blades is a potential cause for the blades becoming jammed.Other than this possibility, we cannot discern a root cause for this failure mode.A manufacturing record evaluation was performed for the finished device lot and product number and determined that at this point, no corrective action is required and no further action is warranted.However, depuy synthes mitek will continue to track any related complaints within this device family as a means of monitoring the extent with which this complaint is observed in the field.
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Event Description
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It was reported by the affiliate in (b)(6) that during an unspecified arthrocopic surgical procedure, it was observed that the reported device suddenly stopped with beep.According to the reporter, at the beginning of the surgery, the device was normally operated with the handpiece (p/n: 283512, lot number was unknown).There was no error message on the display when the error occurred.The surgery was completed by using alternative device (same p/n, lot number was unknown).It was brand new and the first use when the issue occurred.There was no information for the surgical delay and no harm to the patient.No further information was provided by the hospital.During in-house engineering evaluation, it was determined that the blades were jammed.There was patient involvement reported.There were no injuries, medical intervention or prolonged hospitalization.All available information has been disclosed.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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Manufacturer Narrative
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Depuy synthes is submitting this report pursuant to the provisions of 21 cfr, part 803.This report may be based on information which depuy synthes has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthes or its employees that the report constitutes an admission that the device, depuy synthes, or its employees caused or contributed to the potential event described in this report.Udi: (b)(4).Correction: further investigation has updated the investigation summary: the complaint device was received and evaluated.The complaint can be confirmed.Visual inspection revealed that the inner and outer assemblies (blades) were jammed together.Per the drawing specification, the inner and the outer blades should rotate freely.The jammed assemblies will prevent the device from functioning as expected thus confirming the reported complaint.Per the ifu, proper irrigation should be used when operating this device.If proper irrigation is not used, then excess tissue build up can occur between the inner and outer blades.Also, inadequate irrigation can allow for heat build up between the blades and can cause a weld between the blades.The combination of excess tissue build us and the weld occurring between the blades is a potential cause for the blades becoming jammed.Other than this possibility, we cannot discern a root cause for this failure mode. a manufacturing record evaluation was performed for the finished device lot and product number and determined that at this point, no corrective action is required and no further action is warranted.However, depuy synthes mitek will continue to track any related complaints within this device family as a means of monitoring the extent with which this complaint is observed in the field.Subsequent follow-up with the reporter, additional information was received.The reporter stated that the handpiece (p/n: 283512) mentioned in the complaint was not involved in the procedure.It was further reported that the burr itself was replaced.If additional information should become available, a supplemental medwatch will be submitted accordingly.
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