As reported, after crossing the lesion with a 4mm x 30cm 155cm saberx percutaneous transluminal angioplasty (pta) balloon catheter, the balloon ruptured during an inflation to 8 atmospheres (atm).As a result, the 4mm x 30cm 155cm saberx pta balloon catheter was replaced with 4mm x 22cm non-cordis balloon catheter to complete the procedure.There was no reported injury to the patient.This was during an endovascular therapy (evt) procedure to treat a lesion which had a 90% stenosis but was not a chronic total occlusion (cto).The lesion had moderate calcification and moderate tortuosity.The device was stored and prepped per the instructions for use (ifu) and maintained negative pressure during preparation.There was no difficulty removing the device from the hoop, removing the protective balloon cover, the stylet, or any of the sterile packaging components and the device was not kinked or damaged in any way prior to being inserted into the patient.There was no resistance or friction experienced during insertion of the device.The device was able to track toward the lesion and cross the lesion without difficulty.The device was put into an acute bend during this procedure, but the device did not kink.After the device ruptured, the device was able to be removed easily from the patient and remained in one piece during is removal.The device was discarded and will not be returned.
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After further review of additional information received the following sections have been updated accordingly: g3, g4, g6, h1, h2, h3, h6, and h10 complaint conclusion: as reported, after crossing the lesion with a 4mm x 30cm 155cm saberx percutaneous transluminal angioplasty (pta) balloon catheter, the balloon ruptured during an inflation to eight atmospheres (atm).As a result, the 4mm x 30cm 155cm saberx pta balloon catheter was replaced with 4mm x 22cm non-cordis balloon catheter to complete the procedure.There was no reported injury to the patient.This was during an endovascular therapy (evt) procedure to treat a lesion which had a 90% stenosis but was not a chronic total occlusion (cto).The lesion had moderate calcification and moderate tortuosity.The device was stored and prepped per the instructions for use (ifu) and maintained negative pressure during preparation.There was no difficulty removing the device from the hoop, removing the protective balloon cover, the stylet, or any of the sterile packaging components and the device was not kinked or damaged in any way prior to being inserted into the patient.There was no resistance or friction experienced during insertion of the device.The device was able to track toward the lesion and cross the lesion without difficulty.The device was put into an acute bend during this procedure, but the device did not kink.After the device ruptured, it was able to be removed easily from the patient and remained in one piece during its removal.The product was not returned for analysis as it was discarded.A product history record (phr) review of lot 82233763 revealed no anomalies or non-conformances during the manufacturing and inspection processes that can be associated with the reported event.The reported ¿balloon- burst - at/below rbp¿ could not be confirmed as the device was not returned for analysis.The exact cause could not be determined.Vessel characteristics of moderate calcification and tortuosity with stenosis likely contributed to the reported event.Calcification is known to damage balloon material; it is likely this occurred when attempting to cross the stenosed lesion or upon inflation.However, without the return of the device for analysis, it is difficult to draw a clinical conclusion between the device and the event reported.According to the warnings in the safety information in the instructions for use ¿prior to angioplasty, the catheter should be examined to verify functionality and integrity, and ensure that its size and shape are suitable for the specific procedure for which it is to be used.Do not use if product damage is suspected or evident.To reduce the potential for vessel damage or the risk of dislodgement of particles it is very important that the inflated diameter of the balloon should approximate the diameter of the vessel just proximal and distal to the lesion.The balloon dimensions are printed on the product label.The compliance table incorporated with the product shows how balloon diameter increases as pressure increases.Do not exceed the rated burst pressure recommended on the label.The rated burst pressure is based on the results of in vitro testing.At least 99.9% of the balloons (with a 95% confidence) will not burst at or below their rated burst pressure.Use of a pressure monitoring device is recommended to prevent over-pressurization.Pressure in excess of the rated burst pressure can cause balloon rupture and potential inability to withdraw the catheter through the introducer sheath.Balloon rupture can cause vessel damage and the need for additional intervention.Use only the recommended balloon inflation medium (a 50/50 mixture by volume of contrast medium and normal saline).Never use air or any gaseous medium to inflate the balloon.¿ neither the phr nor the information available suggests a design or manufacturing related cause for the reported event.Therefore, no corrective or preventive action will be taken at this time.
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