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 August 12, 1998 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, 1998: Commission File No. ------------------- Form S-8, No. 2-65727 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-8, No. 333-34489 Form S-8, No. 333-38291 Form S-8, No. 333-38293 Form S-3, No. 333-42325 - ------------------------- Ernst & Young LLP St. Louis, Missouri September 22, 1998