Sorin group italia has received a report that, during insertion of the venous pediatric cannula, it broke the issue was discovered before cannulation and going to the machine.There is no report of any patient injury.According to preliminary information, the cannula was connected to the intermediate piece and the tubing set to the heart-lung machine, as usual.The medical team has filled the cannula with water before use the machine and the water disappeared out of the cannula.When they checked the cannula they found it was broken off.
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The dhr review highlighted that the involved lot was released as conform according to specifications.The review of the complaints database did not identify similar events on this cannula code in the last 2 years and on the impacted batch (2203110026) out of (b)(4)total units marketed worldwide.Thus, the case can be considered as an isolated event and a systematic deviation of the manufacturing process can be ruled out.The returned unit was inspected and measured according to the procedure used in the production line, where units are 100 % controlled before release, and was found to be conform to specification.The thickness of the affected area was in the range (1.5 +o- 0.3) mm.Unit was checked with production specialists and quality engineers and no defects or deviations were identified that could explain the reported fracture.Based on above, the reported event has been reasonably traced back to an occasional deviation, as a consequence of accidental mechanical stresses / rough handling during the use.The risk is in the acceptable region.No specific action was currently deemed necessary.Livanova will keep monitoring the market.
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