A device history record (dhr) review was conducted which indicated all inspections were completed and no issues were noted during manufacture.A product sample was received for evaluation.Visual and functional testing were performed.The tamper seal were removed, the top case was broken at lower left edge and left and right cases cracked.A review of the event history log identified occlusion check infusion line.Techs performed occlusion test and check the reading of the force sensor.Testing was unable to duplicate the problem, pump was occluded when pressure build up as it was intended, all the reading of force sensor are within the required specs.No problem was found, pump operated as intended, therefore no root cause could be determined.Performed pm maintenance and all functional tests.Repair was not needed for customer reported problem due to no problem was found.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).Udi, report source, and 510k are unknown.No product information has been provided to date.
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