Ultrasound-assisted ligation

A so-called ultrasound proctoscope is inserted into the anus

After finding the signal from the blood vessel, a stitch is inserted to reduce blood flow to the haemorrhoids

Haemorrhoidectomy methods such as infra-red (heat) coagulation, doppler ultrasound - ligation and laser removal have not demonstrated superior results to the conventional open haemorrhoidectomy.