This is being filed to report unstable arm positioner and premature deployment.It was reported that during preparation of a clip delivery system (cds), establishing final arm angle was performed; however, during closing of the clip, the arm positioner lost resistance.The lock lever was retracted, and the arm positioner was rotated to the open direction, but then the clip prematurely deployed.The cds was not used in the patient and a new cds was used to successfully complete the procedure.There was no patient involvement and no clinically significant delay in the procedure.No additional information was provided.
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