Ключевые слова: area, atraumatic, bladder, camera, channel, curved, cysto, cystoscope, cystoscopy, degree, diagnosis, drape, endoscope, endoscopy, inside, instrument, irrigation, key hole, kyiv, kyiv city, large, light, lumen, medical, observe, operation, optical, procedure, reusable, rigid, scope, see, sheath, source, straight, surgeon, surgery, surgical, telescope, tip, ureteroscope, ureters, urethra, urethral, urethroscope, urethroscopy, urology, view, visual, working,