HY-STAN Child's 4-bar knee
https://www.atpsupply.org/shop/c-tk-40cr-hy-stan-child-s-4-bar-knee-5976
https://www.atpsupply.org/web/image/product.template/5976/image_1920?unique=68819b1
Smallness and light-weight
Adjustable extension assist for swing phase control
Designed for child’s AK and knee-disarticulation amputee
