We use a similar approach in my company and the key here is to borrow the parts that work for your organization from Scrum and blend them with a much simpler Ka

We use a similar approach in my company and the key here is to borrow the parts that work for your organization from Scrum and blend them with a much simpler Kanban approach. Don't follow a methodology blindly just because someone wrote a book about it. Keep evaluating & tweaking the process until you think it's at a point where it's working well for your organization.