A portable wheelchair is collapsible for ease of development, handling and transport, while also providing a front steer configuration and a rear steer configuration.

A foldable walker having an arcuate front and rear leg frames pivotably connected by a hinge which permits the two leg frames to covert from an open configuration, with the front wheels engaging the ground and spaced a first distance from the rear wheels, to a folded configuration with the front wheels closer to the rear wheels. The walker includes a seat which can convert from a horizontal seat position to a vertical backrest position, and a height adjustable and pivotable foot rest.

A mobility assistive device includes a first frame including a first support and a first wheel, a second frame including a second support and second wheels, and a connecting structure including first connecting boards connected to the first support. The second support includes a supporting rod and abutting portions. Each first connecting board has a slot for being engaged with the supporting rod, an abutting surface for abutting against the abutting portions, and a perforation. Each positioning member is disposed on one the second support, and includes a positioning portion. When the slots are engaged with the supporting rod and the abutting surfaces are abutted against the abutting portions, the positioning portions are movable between a locked position and a released position. When in the locked position, the positioning portions are inserted into the perforations. When in the released position, the positioning portions are drew out from the perforations.

A mobility assistive device includes a first frame including a first support and a first wheel, a second frame including a second support and second wheels, and a connecting structure including first connecting boards connected to the first support. The second support includes a supporting rod and abutting portions. Each first connecting board has a slot for being engaged with the supporting rod, an abutting surface for abutting against the abutting portions, and a perforation. Each positioning member is disposed on one the second support, and includes a positioning portion. When the slots are engaged with the supporting rod and the abutting surfaces are abutted against the abutting portions, the positioning portions are movable between a locked position and a released position. When in the locked position, the positioning portions are inserted into the perforations. When in the released position, the positioning portions are drew out from the perforations.

A patient assistance and rehabilitation device or more specifically a patient mechanical lift device that can be utilized as patient walker, a seat, a seated transporter, a toilet, a table and a rehabilitation device. The patient assistance and rehabilitation device including a power band or tension motor to help a patient move from a sitting to a standing position and to supplement an exercise or rehabilitation program.

A wheelchair is provided which includes driving wheels, side frame, footrest arms, and footrest plates. The driving wheels are rotatably coupled to the exterior sides of the side frames. The footrest arms are movable between arm unfolded and folded positions. Each of the footrest arms is pivotably coupled to an arm pivot shaft. The arm pivot shaft is positioned on the exterior side of each of the side frames in front of each of the driving wheels. The footrest plates can support user's feet. Each of the footrest plates is coupled to the fore end of each of the footrest arms. The distance between the fore ends of the footrest arms in the arm unfolded position is smaller than the distance in the arm folded position.

A mobile chair apparatus is described that comprises a drive assembly that preferably includes one or more moveable foot pedals, and drive wheels which rotate in response to rotation of the foot pedals by the mobile chair occupant, and a steering assembly which comprises two steering wheels and two armrests, wherein movement of just one armrest will translate into movement of both steering wheels, and wherein the drive assembly and the steering assembly concurrently enable the mobile chair occupant to propel and steer the mobile chair apparatus without assistance from another person.

A mobile chair apparatus is described that comprises a drive assembly that preferably includes one or more moveable foot pedals, and drive wheels which rotate in response to rotation of the foot pedals by the mobile chair occupant, and a steering assembly which comprises two steering wheels and two armrests, wherein movement of just one armrest will translate into movement of both steering wheels, and wherein the drive assembly and the steering assembly concurrently enable the mobile chair occupant to propel and steer the mobile chair apparatus without assistance from another person.

A mobility assistance apparatus includes first and second frames positioned on left and right sides of a user; a hinge arm mechanism coupled to the first and second frames; and a securing unit or a walking seat coupled to the frames to transfer at least a portion of the user's body weight from the legs and to transfer weight through the user's hip or pelvis to the first and second frame enabling the user to stand or work for an extended period without requiring the user's arms to hold the frame.

A mobility assistance apparatus includes first and second frames positioned on left and right sides of a user; a hinge arm mechanism coupled to the first and second frames; and a securing unit or a walking seat coupled to the frames to transfer at least a portion of the user's body weight from the legs and to transfer weight through the user's hip or pelvis to the first and second frame enabling the user to stand or work for an extended period without requiring the user's arms to hold the frame.