LAKE FOREST, CA -- (MARKET WIRE) -- January 18, 2007 -- Trimedyne, Inc. (OTCBB: TMED) today announced its Amended Registration Statement, covering 2,915,000 shares of common stock ("Shares") sold in a previously disclosed private placement, became effective January 17, 2007. The Amendment reflects the issuance of an additional 265,000 Shares to the investors.