EXHIBIT 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the following registration statements and related prospectuses filed by Mallinckrodt Inc. under the Securities Act of 1933 of our report dated July 30, 1997 with respect to the consolidated financial statements of Mallinckrodt Inc. included in this Annual Report on Form 10-K for the year ended June 30, 1997: Commission File No. --------------------------- Form S-8, No. 2-65727 Form S-8, No. 2-70868 Form S-8, No. 2-80553 Form S-8, No. 2-90910 Form S-8, No. 2-94151 Form S-8, No. 33-10381 Form S-8, No. 33-32109 Form S-8, No. 33-40246 Form S-3, No. 33-43925 Form S-3, No. 33-47081 Form S-3, No. 33-57821 Form S-8, No. 333-34489 - ---------------------- Ernst & Young LLP St. Louis, Missouri September 22, 1997