CPC H05K 5/0086 (2013.01) [H05K 5/0004 (2013.01); H05K 5/069 (2013.01); A61B 5/14532 (2013.01)] | 20 Claims |
1. An electronic device comprising:
a base unit having a top surface and a fitting tab, wherein the top surface includes a depression; and
an attachable unit configured to fit inside the depression, wherein the attachable unit includes:
a bottom housing structure adapted to fit over the depression, and
a top housing structure welded to the bottom housing structure, wherein the top housing structure (1) includes an integral toe portion configured to directly contact and interlock with the fitting tab when the attachable unit is fitted over the depression and (2) is adapted to fit over the bottom housing structure when the attachable unit is fitted over the depression.
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