| 摘要 |
A seating device for maneuvering a body part comprising a fully adjustable chair including a base assembly, an occupant supporting assembly and an elevator assembly including drive mechanisms for raising, lowering and tilting the occupant supporting assembly. The chair has a head rest, leg rest, chest rest and a plurality of arm rests. The chair has full adjustment in all axes: rotation around a vertical central axis; vertical height adjustment; fully adjustable seat back for proper lumbar support; and tilt of the seat. The base assembly includes a power unit biased toward the floor. The invention permits support of the occupant with a full range of adjustment so that the occupant can have proper positioning for selected medical procedures and body part positions.
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