Exhibit 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statements No. 33-89880 and No. 333-94769 of Langer, Inc. on Form S-8 of our report dated March 14, 2002 appearing in this Transition Report on Form 10-K of Langer, Inc. for the transition period from March 1, 2001 to December 31, 2001. DELOITTE & TOUCHE LLP Jericho, New York March 14, 2002