Anonymous Do they have the same meaning I don't think so: the first seems to need to be implanted to take effect; the second does not. Anonymous are they both grammatically correct? I think you mean 'lexically correct'.
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AnonymousDo they have the same meaningI don't think so: the first seems to need to be implanted to take effect; the second does not.
Anonymousare they both grammatically correct?I think you mean 'lexically correct'. I have not heard the second one.
Anonymousan implant device or medical implant deviceI would choose those, but you should ask a doctor.