Title :
A PC-based ultrasonic data acquisition system for computer-aided prosthetic socket design
Author :
He, Ping ; Xue, Kefu ; Chen, Qun ; Murka, Paul ; Schall, Scott
Author_Institution :
Fac. of Biomed. & Human Factors Eng., Wright State Univ., Dayton, OH, USA
fDate :
6/1/1996 12:00:00 AM
Abstract :
A PC-based ultrasound data acquisition system has been developed which uses compound scanning techniques to image a residual limb in a water tank. From the received ultrasonic echo data, the system produces cross-sectional images and reconstructs a three-dimensional (3-D) model of the limb. A commercial software for computer-aided prosthetic socket design was modified so that it can display both the external shape and cross-sectional image of the limb and allow the prosthetist to perform socket design with the help of a visualization of the limb´s internal structure. The image resolution and measurement accuracy of the system were tested using a wire phantom and a contrast tissue mimicking phantom, respectively, preliminary results from amputee patients are presented and the sources of measurement error are discussed
Keywords :
CAD; artificial limbs; biomedical ultrasonics; data acquisition; image reconstruction; image resolution; measurement errors; medical image processing; microcomputer applications; PC-based ultrasonic data acquisition system; amputee patients; commercial software; compound scanning techniques; computer-aided prosthetic socket design; contrast tissue mimicking phantom; cross-sectional images; external shape; image resolution; internal structure; measurement accuracy; measurement error; residual limb; three-dimensional model; ultrasonic echo data; visualization; water tank; wire phantom; Computer displays; Data acquisition; Image reconstruction; Imaging phantoms; Prosthetics; Shape; Sockets; Software performance; Ultrasonic imaging; Visualization;
Journal_Title :
Rehabilitation Engineering, IEEE Transactions on
