(b)(4).
During processing of this complaint, attempts were made to obtain complete event, patient and device information.
Dates estimated.
The asahi prowater referenced is being filed under a separate medwatch mfr number.
The device was received.
The investigation is not yet complete.
A follow-up report will be submitted with all additional relevant information.
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It was reported that the procedure was performed to treat a lesion in the mid left anterior descending artery.
During advancement and removal of the 2.
5 x 15 mm trek balloon catheter, resistance was noted with the prowater guide wire.
Multiple heparinized saline flushes were performed, but the resistance continued.
The procedure was continued with the same devices and there was a good patient outcome.
There were no adverse patient effects and no clinically significant delay in the procedure.
No additional information was provided.
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(b)(4).
Evaluation summary: (b)(4).
The device was returned for evaluation.
The reported difficulties could not be 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 that would have contributed to this event.
Additionally, a review of the complaint history of the reported lot did not indicate a lot specific quality issue.
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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