First if you like to work with the #BitShares platform I suggest you to check the following links.
documentation, http://docs.bitshares.eu/
some infographics: https://steemit.com/@btswolf
intro to BitShares 
regarding your token.
You can create a token backed by trust or backed by collateral and pegged to a real world value.
You find the BitShares chat here http://telegram.me/bitsharesdex if you want to talk about all your options.
RE: Questions about creating crypto assets for medicine