I have studied your case with diligence.
This is case of failed fracture
dislocation, you may need open reduction internal fixation
with graft if there is no arthritis
Due to long duration of injury
there can be development of arthritis ,if arthitis of wrist is developed then fusion of joint is procedure of choice.
Medical cannabis is absolutely not indicated.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.