EXHIBIT 4.1 AMENDMENT TO AMENDED AND RESTATED RIGHTS AGREEMENT This Amendment, dated as of July 23, 1997, to the Rights Agreement, dated originally as of September 1, 1992 and as amended and restated as of March 8, 1996 (this "Agreement") between...Rights Agreement • August 7th, 1997 • Nellcor Puritan Bennett Inc • Electromedical & electrotherapeutic apparatus
