(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Concomitant products: guide wire: glandslam.Guide catheter: launcher 6f ebu.The device is expected to be returned for evaluation.It has not yet been received.A follow up report will be submitted with all relevant information.The tenku dilation catheter device is an abbott vascular manufactured device which is distributed in by (b)(4).Though this device is not commercially available for sale in the us, it is similar to a device currently marketed for sale in the us.
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It was reported that the procedure was to treat a moderately calcified, eccentric, de novo, 75% to 95% stenosed, 15mm-long lesion in the moderately tortuous, 2.5mm-diameter, proximal to the distal left circumflex (lcx) coronary artery.When advancing a 3.25x15 nc tenku rx balloon dilatation catheter (bdc) over the proximal end of a grandslam guide wire (gw), while still outside of the patient anatomy, resistance was felt between the two devices.The bdc with withdrawn from the gw with resistance felt and the gw was wiped with saline-soaked gauze.The bdc was then re-advanced over the gw, however, as the bdc was advanced into the coronary vessel, resistance increased.Thus, the uninflated bdc was retracted over the gw and out of the anatomy, with resistance felt against the proximal gw.The same guide wire was able to be used with a non-abbott bdc and a non-abbott stent delivery system without issue to complete the procedure.There were no adverse patient effects and no occurrence of a clinically significant delay.No additional information was provided.
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(b)(4).Evaluation summary: visual, dimensional and functional inspections were performed on the returned device.The reported resistance with the guide wire was not confirmed.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history identified no other incidents from this lot.The investigation was unable to determine a conclusive cause for the reported difficulties as there was no resistance noted with the guide wire during returned analysis.Based on the information reviewed, there is no indication of a product quality issue with respect to manufacture, design or labeling.
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