A method of making an injection molded device includes the steps of (a) assembling a mold comprising a primary male mold half and a primary female mold half to define a primary mold cavity； (b) injecting a first fluid polymeric material into the primary mold cavity and permitting the first fluid polymeric material to solidify to form a device frame； (c) replacing the primary female mold half with a secondary female mold half； (d) restraining the device frame in the resulting mold cavity and injecting a second fluid polymeric material to form a first portion of an outer layer that retains the shape of the first overmold cavity； (e) replacing the primary male mold half with a secondary male mold half； and (f) injecting an additional amount of the second fluid polymeric material into the resulting cavity to form a sufficiently integral outer layer about the device frame.
