(b)(4).
During processing of this complaint, attempts were made to obtain complete event, patient and device information.
Concomitant medical products: dilatation catheter: hiryu; guide wire: sion blue; guide cath: launcher 6fr jr4.
The device was received.
Investigation is not yet complete.
A follow up report will be submitted with all relevant information.
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It was reported that the procedure was to treat a concentric lesion with mild tortuosity, no calcification and 99% stenosis in the proximal right coronary artery.
A non-abbott stent was implanted and a 4.
0x12mm nc trek balloon dilatation catheter (bdc) was passed over a non-abbott guide wire.
The bdc and the guide wire experienced a strong resistance between the devices, making it difficult to advance or remove the bdc.
The bdc was not advanced into the patient anatomy, and a new non-abbott bdc was used to successfully complete the procedure.
There was no adverse patient effect and no clinically significant delay in the procedure.
No additional information was provided.
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(b)(4).
Evaluation summary: the device was returned for evaluation.
The reported difficulties were confirmed.
Based on visual, dimensional and functional analysis of the returned device, there is no indication of a product quality issue with respect to manufacture, design or labeling.
The investigation was unable to determine a conclusive cause for the reported difficulties.
A review of the lot history record identified no manufacturing nonconformities issued to the reported lot.
Additionally, a review of the complaint history identified no other incidents from this lot.
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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