A handle assembly for a medical device including an element for grasping having an opening, the opening configured to allow for passage of fingers of a user, a mechanical-connection element configured to fix the element for grasping to the medical device, and a support configured to receive and at least temporarily fix an additional device on the element for grasping, the support attached to the element for grasping, wherein when the additional device is received by the support, the element for grasping together with the additional device form a handle of the handle assembly configured to be grasped by hand of the user.