Apparatus for operating a medical imaging device, - wherein the apparatus has a control unit, a connection unit and a vibration unit, - wherein the connection unit has a control-element-side region, an edge region and a flexible region, wherein the control-element-side region is flexibly mounted relative to the edge region by means of the flexible region, - wherein the control unit has a contact region, wherein the contact region is fixed relative to the control-element-side region, - wherein the control unit is designed to generate a contact signal on the basis of contact with the contact region, - wherein the vibration unit is designed to induce a vibration of the contact region relative to the edge region during contact with the contact region, - wherein the vibration unit has a set of vibration motors (M1-M8), wherein the vibration motors in the set of vibration motors (M1-M8) are arranged relative to one another, such that a reference plane runs through each vibration motor in the set of vibration motors (M1-M8), - wherein the vibration motors in the set of vibration motors (M1-M8) are arranged about a reference axis perpendicular to the reference plane, such that the set of vibration motors (M1-M8) has a corresponding vibration motor for any half-line (R1, R2) which emanates from the reference axis and lies in the reference plane, so that an angular distance (R1M, R2M) in relation to the reference axis between these half-lines (R1, R2) and the corresponding vibration motor is not greater than 60 degrees, - characterised in that for each vibration motor in the set of vibration motors (M1-M8) a motor axis of that vibration motor lies in the reference plane and is an axis of rotation of a motor which forms this vibration motor with eccentric rotating mass, about which the eccentric mass rotates, or is a linear axis of a linear resonance actuator which forms this vibration motor, wherein the angular distance (R1M, R2M) in relation to the reference axis between these half-lines (R1, R2) and the corresponding vibration motor is an angular distance in relation to the reference axis between these half-lines (R1, R2) and the motor axis of the corresponding vibration motor. - wherein the apparatus has a control unit, a connection unit and a vibration unit, - wherein the connection unit has a control-element-side region, an edge region and a flexible region, wherein the control-element-side region is flexibly mounted relative to the edge region by means of the flexible region, - wherein the control unit has a contact region, wherein the contact region is fixed relative to the control-element-side region, - wherein the control unit is designed to generate a contact signal on the basis of contact with the contact region, - wherein the vibration unit is designed to induce a vibration of the contact region relative to the edge region during contact with the contact region, - wherein the vibration unit has a set of vibration motors (M1-M8), wherein the vibration motors in the set of vibration motors (M1-M8) are arranged relative to one another, such that a reference plane runs through each vibration motor in the set of vibration motors (M1-M8), - wherein the vibration motors in the set of vibration motors (M1-M8) are arranged about a reference axis perpendicular to the reference plane, such that the set of vibration motors (M1-M8) has a corresponding vibration motor for any half-line (R1, R2) which emanates from the reference axis and lies in the reference plane, so that an angular distance (R1M, R2M) in relation to the reference axis between these half-lines (R1, R2) and the corresponding vibration motor is not greater than 60 degrees, - characterised in that for each vibration motor in the set of vibration motors (M1-M8) a motor axis of that vibration motor lies in the reference plane and is an axis of rotation of a motor which forms this vibration motor with eccentric rotating mass, about which the eccentric mass rotates, or is a linear axis of a linear resonance actuator which forms this vibration motor, wherein the angular distance (R1M, R2M) in relation to the reference axis between these half-lines (R1, R2) and the corresponding vibration motor is an angular distance in relation to the reference axis between these half-lines (R1, R2) and the motor axis of the corresponding vibration motor.