Endoscopic ultrasound

There are two methods for ultrasound endoscopic examination: 1. Install a miniature high-frequency ultrasound probe at the front end of the endoscope; 2. During endoscopic examination, insert a miniature ultrasound probe through the biopsy forceps. Observe close-range lesions and choose high frequencies. Endoscopic ultrasound can not only play the role of ordinary endoscopy, but also clearly display tomographic images of lesions under the mucosa and its adjacent organs on the screen.