A device for burning, utilizing and enhancing the therapeutic effect of moxa, comprising a cover, a base and a moxa container. The cover is shaped like an upside-down bowl with an opening on its top center. The cover is disposed on the base and has an opening on its top to receive and engage with the...http://www.google.es/patents/US4671788?utm_source=gb-gplus-sharePatente US4671788 - Moxibustion device with moveable moxa chamber
