(b)(4) is the initial importer of the device which is a rollator.The device has not been returned for evaluation.The user is refusing to return the device.We will file a follow-up submission if additional data becomes available.The end user reported that there are sharp edges on her device.A child fell into the device and received a laceration on their head which required 5 stitches.She is concerned about the sharpness since she is on blood thinners.