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It was reported that, during a thr, a cs/csl/geradschaft-plus extract.Screw m6 broke off when threaded onto the proximal part of the implant.Furthermore, all pieces were recovered, however no x-rays are available.Surgery was resumed, without any delay, with the same device.No patient harm was reported.
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H3, h6: it was reported that, during a total hip replacement, a cs/csl/geradschaft-plus extract.Screw m6 broke off when threaded onto the proximal part of the implant.Furthermore, all pieces were recovered, however no x-rays are available.No patient harm was reported.The complaint device used in treatment has not been completely returned.A visual evaluation of the returned part was conducted, and it was concluded that the the tip of the device is fractured and the fragment was not returned.A review of the production documentation did not detect any deviation that could have contributed to the reported failure mode.A review of the risk management documentation verifies the failure mode, occurrence and severity of the reported issue.The review of historical complaints for the alleged device revealed 18 additional similar complaints reported for the same batch, and 4 additional similar complaints for the same product number over the past 12 months with similar failure mode.The root cause is attributed to design constraints.A new design of the device has been released in order to reduce the reoccurrence of this issue.This version of the device will be monitored for similar issues.The performance of the device is nonetheless within the risks, which are anticipated in the risk management documentation of the product.Please note that according to document "processing (cleaning, disinfection and sterilization) of instruments from smith & nephew orthopaedics ag" (lit.N°03389-en 1363 v3 11/19), all devices must be inspected and controlled for proper functioning after cleaning/disinfection.The need for further actions is not indicated.Nevertheless, smith+nephew will continue to monitor this device for similar issues.The returned devices will be discarded.
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