Electronic endoscopes for medical use; electronic endoscopes for surgical use; endoscopes; endoscopes for diagnostic use; endoscopes for medical use; endoscopes for surgical use; endoscopes for therapeutic use; operating instruments for use with medical endoscopes; operating instruments for use with surgical endoscopes; apparatus for the diagnosis of neurological diseases; electronic apparatus for neurological diagnosis; electronic apparatus for neurological monitoring; balloon inflating devices for balloon dilation catheters; cardiovascular catheters; catheter apparatus; catheter sets; catheters; catheters for medical use; catheters for surgical use; catheters for use in embolectomy; guide wires for use with balloon dilatation catheters; guide wires for use with balloon dilation catheters; inner lumens for balloon catheters; medical catheter placement devices; medical catheters; apparatus for the diagnosis of neurological diseases; electronic apparatus for neurological diagnosis; medical apparatus for neurographic purposes; neurosurgical adaptors; apparatus for non-invasive surgery; intra-vascular apparatus for medical use