It was reported to boston scientific corporation that a resolution clip device was used in the colon during an endoscopic mucosal resection (emr) procedure performed on (b)(6) 2022.During the procedure, the clip was able to grasp and lock onto tissue; however, the clip was unable to detach from catheter to deploy.The procedure was completed with another resolution clip device.It was reported that the handle slider was tight and the handle was unable to reach the end of the stroke.The coil catheter was also kinked.There were no patient complications reported as a result of this event.The patient's condition at the conclusion of the procedure was reported to be stable.
|
Block h6: medical device problem code a15 captures the reportable event of clip unable to detach from catheter.Block h10: investigation results the returned resolution clip device was analyzed, and a visual evaluation noted that the device was returned without the clip assembly and with evidence of full deployment.No kinked was observed on the catheter.Microscopic examination was performed, and it was found that the bushing had small hit marks.Dimensional analysis was performed on the bushing outer diameter, and it was found to be within specification.A dimensional analysis was also performed between the hooks of the bushing, and both sides were found to be within specification.Functional evaluation was performed, and the device was able to push the control wire out without any problem.No other problems with the device were noted.The reported event of clip unable to detach from catheter was not confirmed.Investigation found that the bushing had small hit marks, this is likely due to the interaction between the yoke and the capsule, in order to deploy the clip.The device was returned without the clip assembly, and it is important to mention that the presence of this component is very important to the investigation in order to analyze any failure that could contribute with the problem faced by the physician.Additionally, it is important to take in consideration that during the product analysis, the dimensions between the hooks of the bushing were measured, and they were within specification, excluding the possibility that the device components dimensions interfered with the device performance.The returned device review showed no evidence of either the alleged(s) or any defect which could have contributed to the event.Therefore, the most probable root cause for this complaint is no problem detected.A review of the manufacturing documentation for this device revealed that no anomalies or deviations related to the event occurred during manufacturing.
|
It was reported to boston scientific corporation that a resolution clip device was used in the colon during an endoscopic mucosal resection (emr) procedure performed on (b)(6)2022.During the procedure, the clip was able to grasp and lock onto tissue; however, the clip was unable to detach from catheter to deploy.The procedure was completed with another resolution clip device.It was reported that the handle slider was tight and the handle was unable to reach the end of the stroke.The coil catheter was also kinked.There were no patient complications reported as a result of this event.The patient's condition at the conclusion of the procedure was reported to be stable.
|