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The device was not returned for evaluation.The lot number is unknown therefore the device history record could not be reviewed.The instructions for use were found adequate and state the following: ¿·when catheter is inadvertently removed, inspect the balloon and shaft of catheter for rupture, defect, etc.Before inserting a new catheter.[fragment of the balloon or segment of catheter may remain in the bladder.] ·do not pull the catheter hard.[the catheter including a balloon may be damaged or the bladder/urethral mucous membrane may be injured.]¿.·since it may be difficult to remove catheter even after balloon deflation in some cases, the catheter should be removed under the physician¿s instructions by reference to the section ¿troubleshooting¿.·when deflating balloon, allow balloon to deflate on its own; do not aspirate with a syringe.[the inflation lumen for balloon deflation may be occluded by negative pressure, and as a result the balloon cannot be removed.] ·when inserting catheter with a stylet, confirm that the stylet has reached the tip of the catheter, and make sure to keep the stylet on place inside the catheter during insertion [the stylet may exit the side hole to damage the urethral mucosa.] - applicable patients ·use with great care for patients with disturbance of consciousness, etc.[when patient removes catheter unconsciously, the mucosa of the bladder and urethra may be damaged, balloon may be ruptured, catheter may be broken, and catheter fragments may be left behind in the bladder.]".
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