Surgeon

You have learned how to take your knowledge of medicine to aid you in combat.

Combat medic

As a bonus action you may make a medicine (int) check dc20 to asses a small or medium humanoid to heal them equal to 1+ (int modifier) + (you're rogue level). Minimum of 1. 

Improved anatomy

When you make a critical hit on an opponent, they must make a dc= 10+int modifier +proficiency bonus constitution saving throw. On a failed the oponent is stunned until the start of your next turn.

Basic medicine

As a student of scientific medicine, your form of medicine is int based allowing you to use your int modifier in place of the wisdom modifier for medicine skill checks.

Pharmaceuticals

During a long rest you can create a number of shots from the booster list below. equal to your intelligence modifier. These boosters last for 1 hour once administered. At the end of the duration the creature afflicted gains 1 level of exaustion. The boosters will stack both in effects and levels of exaustion.

-steroids (raise your strength score by 2 for the duration)      -Speed  (Raise your dexterity score by 2 for the duration)     -Vicoden (raise your constitution score by 2 for the duration)

Improved critical

When you critical on a creature it takes half damage on its next turn.