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It should be noted the device is intended to retrieve a food bolus, not intended to push a bolus.The report indicates the device was used in a push bolus procedure, which is not consistent with the intended use for retrieval of a food bolus.Examination of returned product confirmed device damage consistent with the application of excessive force.Statements from the instructions for use include: the disposable roth net retrieval device product line is used in the endoscopic retrieval of foreign body, food bolus and excised tissue such as polyps.Avoid blindly passing the roth net device past any foreign object, particularly if the entire lumen is blocked.The roth net platinum series is designed using a flat wire.Closing or retracting the handle too tightly may cause damage to the device's flat wire.Do not exert excessive "bending" pressure on the open (deployed) device; doing so may disfigure either the flat wire and/or the wire frame's shape.The following conditions may not allow the roth net device to function properly: (1) advancing the handle to the open position with too much speed or force, (2) attempting to pass or open the device in an extremely articulated endoscope, (3) attempting to actuate the device in an extremely coiled position and/or (4) actuating the device when the handle is at an acute angle in relation to the sheath.In-service training was offered and completed on 1/26/2018.
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