A sterile cover assembly is for a biopsy device. The biopsy device includes a reusable holster including a housing and driving mechanism. The driving mechanism is for driving a cutter in a needle of a probe. The housing is adapted to releasably couple to the probe. The sterile cover assembly includes a sleeve and a flexible sterile cover. The sleeve is configured to receive at least a portion of the housing of the reusable holster. The sterile cover is coupled to the sleeve and is configured to cover the housing of the holster.
