1 EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT Biomet, Inc. (the Registrant; Indiana corporation) Domestic subsidiaries: OEC Ltd., Inc. (Delaware corporation) Biomet Acquisition Corp. (Delaware corporation) Biomet International, Inc. (Virgin Islands corporation) Biomet Investment Corp. (Delaware corporation) Electro-Biology, Inc. (Delaware corporation) EBI Holding, Inc. (Delaware corporation) EBI Medical Systems, Inc. (Delaware corporation) Arthrotek, Inc. (Indiana corporation) BHC Laboratories, Inc. (Delaware corporation) Vascu-Med, Inc. (Indiana corporation) Poly-Medics, Inc. (Indiana corporation) Walter Lorenz Surgical, Inc. (Florida corporation) Polymers Reconstructive A/S (Danish corporation) Foreign subsidiaries: Biomet Ltd. (U.K. corporation) Effner Biomet GmbH (German corporation) Biomet SpA (Italian corporation) EBI Medical Systems Ltd. (U.K. corporation) Biomet Ltda. (Brazilian corporation) Each subsidiary is wholly-owned by its immediate parent, except for the following: BHC Laboratories, Inc. of which Biomet, Inc. owns 50% of the outstanding shares; Polymers Reconstructive A/S of which Biomet, Inc. owns 51% of the outstanding shares; and Biomet SpA of which Biomet Ltd. owns 51% of the outstanding shares.