Medical catheters; Surgical catheters; Catheters for intracranial use; Catheters for intravascular use; Catheters for endovascular use; Catheters for use in radiology and neuroradiology; Catheters for use in cardiology; Catheters for treating strokes; Catheters to retrieve clots and foreign bodies; Medical devices, namely, catheters for use in the vascular system; and parts and fittings for all of the foregoing