From around 5 degree ahead to the horizontal position, the back rest of the patient chair E 1 and E 2 can be varied infinitely. The transformation of the product into a lengthy balanced couch is provided by the leg support of the chair and the simultaneous coupling with the arm rests. The model E 2 e has an advanced design backrest with electromotive adjust-ability. The neck rest of the E 1 and E 2 patient chair is designed such that it can be removed when required. The foot rest of the chair can be folded and allows the patient to position itself comfortably and preciously at the time of diagnosis or examination. To the left or the right, independent rotation by 90 degree is provided by the seat of E 2 chair. The electromotive variation in height of seat of the chair ranges infinitely between 54 cm up to 74 cm. One click on the button of the product gives the normal position to the chair after the diagnosis making the device ideal to use by the clinician.