ANDOVER, Mass.--(BUSINESS WIRE)--Diomed Holdings, Inc. (AMEX: DIO - News), a leading developer and marketer of minimally invasive medical technologies, including its patented EndoVenous Laser Treatment (EVLT®) for varicose veins, today announced that it has filed for a preliminary injunction against Total Vein Solutions in its continuing effort to enforce its U.S. Patent Number 6,398,777 covering the endovascular laser treatment of varicose veins.
