Definition: The word "eliise mertens" refers to a type of acupuncture treatment that involves inserting needles into specific points on the body for pain relief. <0x0A><0x0A>Detailed definition: Eliise mertens is a form of acupuncture that focuses on the point called 'chang qi' (also known as 'kidney') located at the base of the spine. It is one of the four types of Chinese herbal treatment and involves inserting needles into this point to relieve pain caused by kidney stones and other ailments. <0x0A><0x0A>The technique involves applying pressure through small incisions in the skin while using fine, delicate needles that are thin and pointed. The treatment is intended to promote qi flow and healing of the body's energy channels.