Orthopedic seating wedge with ventilation channels

Abstract

Appropriate material hardness prevents deformations resulting from user weight, enables it to be used on various surfaces as well as allows the wedge to have the above mentioned features while ensuring adequate sitting comfort.

1 . The orthopedic seating wedge which comprises a distinct ventilation system consisting of intersecting vertical and horizontal ventilation channels that ensure appropriate skin respiration and better sitting comfort. 
     
     
         2 . The orthopedic seating wedge as in Point 1 which comprises protrusions that improve blood circulation in the body part in contact with the wedge, due to an irregular shape of the latter. 
     
     
         3 . The orthopedic seating wedge as in Point 1 with a shape that comprises an indentation for the lower part of the spine (no pressure from the wedge on the spine while sitting) and depression to help the user keep his/her position on the wedge.