I've recently read about e-cigs and how that there is only the nicotene and no smoke. Now not that agree with that but wouldn't it be a good idea to make one where the TCP in marijuana would be in an e-cig for patients. Just a thought... Opinions?

Maybe a good idea, but THC (not TCP) is available in pill form for medical use.
How about a patch, I wonder? And THC doesn't kill the way too many nicotine patches can.

Dronabinol is a pure isomer of THC and is sold as Marinol (pill form) by prescription in several countries including the US and Germany. In the US Marinol is a Schedule III drug, considered to be non-narcotic and to have a low risk of dependence. Efforts to get cannabis rescheduled as analogous to Marinol have not succeeded yet. (Refills are permitted as a Sch III.)

A lot of people wonder why natural THC is still a schedule I drug...