| 摘要 |
An orthopedic traction device includes a frame having two side supports spaced from one another to provide an open area between them. Each of the side supports has a flat bottom wall and an arcuately shaped upper wall. Between the side supports, two rows of spaced protuberances are provided, with each row being arcuately disposed in a manner generally parallel to the arcuately shaped upper walls of the two side supports. Each row consists of a multiplicity of spaced generally rectangular protuberances with each rectangular protuberance being elongated in a direction perpendicular to the axis of elongation of the frame. Between adjacent protuberances, a scalloped portion is provided. The radius of curvature of each row of spaced protuberances varies from a relatively large radius of curvature adjacent one end of the rows to a smaller radius of curvature at the other end thereof. |
