Seat element and seating system

1. A seating element for installation in a seat,

wherein the seating element is dimensioned in such a way that it extends, when in a condition in which it is installed in the seat, substantially over an entire region of at least one seat portion chosen from the group consisting of a seat backrest and of a seating surface of the seat, and

wherein the seating element comprises receptacles for receiving functional elements for making available additional seat functions,

wherein the seating element comprises at least one archable section, there being disposed, adjacent to the at least one archable section, a receptacle for a functional element for setting the convexity of the at least one archable section,

wherein the seating element includes side-pieces, the side pieces including one or more of the receptacles, and

wherein said seating element comprises at least one removable element for obstructing the movement of the at least one archable section.

2. The seating element according to claim 1 , wherein the seating element has a shape which is substantially adapted to the shape of a seated human being to provide an ergonomic pressure-distribution.

3. The seating element according to claim 1 , wherein the seating element is made of plastic.

4. The seating element according to claim 1 , wherein the seating element extends, when in an installed condition, over substantially an entire region of the seat backrest and of the seating surface of the seat, and wherein a backrest section of the seating element and a seating section of the seating element are connected by articulating means.

5. The seating element according to claim 4 , wherein the articulating means include a film hinge.

6. The seating element according to claim 1 , wherein the at least one archable section is disposed in at least one region chosen from the group consisting of a seating region, a lumbar region, a chest region and a shoulder/neck region of the seating element.

7. The seating element according to claim 1 , wherein the receptacle for the functional element for setting the convexity of the at least one archable section comprises a guide for guiding the functional element for arching the at least one archable section.

8. The seating element according to claim 7 , wherein the guide includes a wire for guiding the functional element.

9. The seating element according to claim 1 , wherein the seating element includes at least one electrical line to be connected to functional elements receivable in the receptacles.

10. The seating element according to claim 1 , wherein the seating element includes at least one air guide.

11. The seating element according to claim 10 , wherein the at least one air guide connects at least one of the receptacles for functional elements for aeration purposes to at least one air opening.

12. The seating element according to claim 11 , wherein the at least one air opening includes an air opening on one side of the seating element.

13. The seating element according to claim 10 , wherein the seating element includes a passive pumping means which is coupled to the at least one air guide and which is configured such that it pumps air through the at least one air guide in dependence upon a movement of an occupant on the seat.

14. The seating element according to claim 1 , wherein the seating element is provided with an upholstering layer.

15. A seating system for installation in a seat, comprising a seating element,

wherein the seating element is dimensioned in such a way that it extends, when in a condition in which it is installed in the seat, substantially over an entire region of at least one seat portion chosen from the group consisting of a seat backrest and of a seating surface of the seat, and

wherein the seating element comprises receptacles for receiving functional elements for making available additional seat functions,

wherein the seating element includes at least one archable section, there being disposed, adjacent to the at least one archable section, a receptacle for a functional element for setting the convexity of the archable section, and

a plurality of different functional elements, wherein functional elements of the plurality of different functional elements which are selected in dependence upon a predetermined level of equipment are receivable in receptacles in the seating element.

16. The seating system according to claim 15 , wherein functional elements of the plurality of different functional elements comprise elements chosen from the group consisting of massaging elements, heating elements, ventilating elements, cooling elements, elements chosen from the group consisting of mechanical, electrical and pneumatic elements for adjusting the convexity of an archable section of the seating element, and elements for adjusting side-pieces of the seating element.

17. A seating element for installation in a seat, the seating element comprising:

receptacles for receiving functional elements for making available additional seat functions; and

at least one archable section, there being disposed, adjacent to the at least one archable section, a receptacle for a functional element for setting the convexity of the at least one archable section, wherein the receptacle for the functional element for setting the convexity of the at least one archable section comprises a guide for guiding the functional element for arching the at least one archable section, wherein the guide includes a wire for guiding the functional element, and wherein the seating element is dimensioned in such a way that it extends, when in a condition in which it is installed in the seat, substantially over an entire region of at least one seat portion chosen from the group consisting of a seat backrest and of a seating surface of the seat, and

wherein said seating element comprises at least one removable element for obstructing the movement of the at least one archable section.