SAN CARLOS, Calif.--(BUSINESS WIRE)--April 24, 2006--Natus Medical Incorporated (Nasdaq:BABY - News) today announced that it has filed a shelf registration statement with the Securities and Exchange Commission. This registration statement would, upon its being declared effective by the Securities and Exchange Commission, register future sales of up to $100 million of Natus Common Stock. The terms of any such future offerings would be determined at the time of any future offering.