Abstract: A wheelchair comprises a seat, a chair cushion covering on the seat, a footrest in front of the seat, a chair back at the back side of the seat, a back cushion covering on the chair back, two armrests at two sides of the seat, and two front wheels and two rear wheels below the seat. The height of the upper frame is adjustable by a push-and-brake device and the supporting frame. Another push-and-brake device is installed between the chair back and the footrest so that the chair back and the footrest can interact with one another. A seat and back cushion can move transversally and the back cushion can move longitudinally. An interior of the seat is hollowed so that stool can not be placed in the seat. Thereby, a multi-functional wheelchair is formed and the user has a larger space for action.

Abstract: The present invention is related to a rehabilitation apparatus to alleviate the stiffness for patients suffering from lower limb paralysis caused by acute cerebral vascular impairment or vertebra impairment. The essential mechanisms of the rehabilitation apparatus include a transversely movable slider mechanism which makes use of a transverse slider capable of moving in a predetermined direction and for a predetermined distance to provide the thigh with reciprocal motion of inward retraction and outward expansion by means of a spherical joint which drives the rotation of a longitudinal slide rail, the outward expansion or inward retraction having an angular range between 0.degree.-35.degree.