Artificial organ a stationary power supply or other stationary resources such as filters or chemical processing units. (Periodic rapid recharging of batteries, refilling of chemicals, and/or cleaning/replacing of filters would exclude a device from being called an artificial organ.) Thus, a dialysis machine, while a very successful and critically important life support device that almost completely replaces the duties of a kidney, is not an artificial organ. Constructing and installing artificial organs, an extremely research-intensive and expensive process initially, may entail many years of ongoing maintenance services not needed by a natural organ.: The use of any artificial organ by humans is
The Hermetic Organ The Hermetic Organ The Hermetic Organ is an album by John Zorn, consisting of a single live improvisation on the Aeolian-Skinner pipe organ of St. Paul's Chapel at Columbia University, which was released on Tzadik Records in June 2012. The performance was held at 11 PM on the evening of December 9, 2011, which Zorn has noted was a full moon, as an encore to a "Composer Portrait" ensemble performance of his works held earlier that night at the Miller Theatre. It is the first release by Zorn to exclusively document his solo improvisations on the organ, his first instrument.