Medical and veterinary apparatus and instruments for urology and gastroenterology purposes; Surgical apparatus and instruments for medical use; Prosthetics and artificial implants, namely, stents, ureteral stents; Surgical and medical apparatus and instruments for use in urological and gastroenterology surgery; Urological medical instruments, namely, catheters, stents, ureteral catheters, ureteral stents, catheters guidewires, stent guidewires, renal access sheath, ureteral access sheath, ure...