Disclosed is a wheelchair for transporting a patient. The wheelchair comprises
a support frame having a front, a rear, and opposing sides with the front and rear
facing in respective forward and aft directions and the opposing sides facing in
opposing lateral directions. The wheelchair further comprises at least two main
wheels mounted on the support frame and a seat base disposed upon the support frame
between the main wheels. The seat base is configured for selectively raising and
lowering the patient between a first level and a second level with the aid of at
least one security beam disposed adjacent one of the main wheels. The security
beam may have a substantially vertical orientation and may be configured as a hand
hold for steadying the patient when transferring onto and off of the seat base.
