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It was reported that the procedure was to treat a lesion the right coronary artery.The 3x30mm trek balloon dilatation catheter (bdc) was used in the procedure; however, the balloon failed to deflate, although the balloon was attempted to be deflated 3 or 4 times.Therefore, the bdc was removed with the balloon inflated and the bdc became stuck with an unspecified guide wire (gw).The gw and bdc had to be removed together as a single unit.A dissection was noted to have occurred.The physician was not able to get another gw placed.The patient remains hospitalized and treatment for the dissection is unknown.No additional information was provided.
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The device was not returned for analysis.Production record and corrective and preventative actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a review of the complaint history identified no other similar complaints from this lot.Based on the information provided, a definitive cause for the reported deflation issue could not be determined; however, the reported difficulty removing the device and hospitalization appear to be related to circumstances of the procedure.In this case, it is unknown if the instructions for use (ifu) violation contributed to the reported complaint.Additionally, a conclusive cause for the reported patient effect, and the relationship to the product, if any, cannot be determined.Possible factors that may contribute to difficulty deflating the balloon include, but are not limited to, deflation technique, tortuous anatomy, contamination in the inflation lumen or damage to the guide wire and/or inflation lumen.The product risk assessment identifies this as a foreseeable event; as such, design and manufacturing controls and mitigations have been established for potential causes.A conclusive cause for the reported deflation issue could not be determined since the device was not retuned for analysis.It was reported by the account that the balloon was removed inflated, which likely contributed to the reported difficulty removing the device.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.The reported patient effect of vascular dissection is listed in the coronary dilatation catheters (cdc), trek rx and mini trek rx, global, instructions for use as a known patient effect.It was reported that the balloon did not deflate resulting in the balloon being removed inflated.It should be noted that the coronary dilatation catheters (cdc), trek rx and mini trek rx, global, instruction for use (ifu) states: withdraw the deflated dilatation catheter and guide wire from the guiding catheter through the hemostatic valve.In this case, it is unknown if the ifu violation contributed to the reported complaint, therefore, an in-service will not be requested for the account, given the clinical situation.H6 - medical device problem code 2017 - incorrect removal.
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