It was reported that when the operator checked flush and the blood return to confirm the catheter patency just after insertion of the groshong catheter via the left upper arm, infusion and aspiration could not be performed.When the catheter was removed and another catheter was replaced, infusion and aspiration could be performed without problem.There was no reported patient injury.
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The following were reviewed as part of this investigation: patient severity, complaint and lot history, applicable previous investigation(s), labeling, applicable manufacturing records, and applicable fmea documents.Based on a review of this information, the following was concluded: the complaint of the catheter being unable to infuse or aspirate was confirmed and appears to be related to the use of the device.One 4 fr sl groshong nxt catheter was returned for investigation.The two-piece connector and extension leg were returned unassembled.Residual material was present within the catheter tubing.The extension leg was flushed with water using a 12 ml syringe and was found to be patent to infusion and aspiration.An attempt to flush the groshong catheter revealed it to be occluded with the residual material.The distal end of the catheter was cut proximal to the valve location to test valve functionality.The distal segment was flushed with water and was found to be patent to infusion and aspiration.Microscopic observation of the valve revealed no apparent issues.The valve slit length was measured and found to be within specification.The dried residue within the catheter obstructed fluid flow.Since the source of the occlusion was found to be residual use material, the complaint is confirmed.The product instructions for use suggests, "flushing for intermittent use, flush the catheter with saline once each week or after each use.Note: when infusion volume is a concern in small or pediatric patients, flush with 3ml per lumen.Caution: to reduce potential for blood backflow into the catheter tip, always remove needles or needleless caps slowly while injecting the last 0.5 ml of saline." a lot history review (lhr) of recz1886 showed no other similar product complaint(s) from this lot number.
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It was reported that when the operator checked flush and the blood return to confirm the catheter patency just after insertion of the groshong catheter via the left upper arm, infusion and aspiration could not be performed.When the catheter was removed and another catheter was replaced, infusion and aspiration could be performed without problem.There was no reported patient injury.
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