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Hip Disatriculation Prostheses
The various
amputation in the hip area, such as such as
the intertrochnteric amputation, the hip
disarticulation and the hemipelvectomy are
fitted with pelvic prostheses. If, because
of accidents or tumors, a more distal
amputation level is not possible, a
prosthesis of this type is indicated. As
opposed to a "true disarticulation" in the
hip joint area, in this case, an amputation
is performed in the upper portion of the
femur with proximal sections of the femur
retained.
If
one pelvic
half must be partially or completely
removed, it is called a hemipelvectomy. In
this case the conditions of support and
encasement are especially difficult. By
removing the ischial tuberosity the
sitting
area is lost, and due to the lost of the os
ilium the encasement surface decreases so
that the lower thoracic area may require
enclosure by the pelvic socket. In the case
of hemipelvectomies, not only are the organs
of motion involved, but often artificial
outlets for the bladder or intestine are
required, making orthopedic technical
fitting even more difficult.
In case of hip disarticulations the distal
end of the residual limb area is loadable,
so that the plaster negative can be molded
according to the patient’s contours during
weight bearing. The connection for the hip
joint is already integrated in the pelvic
socket of lamination resin. Different hip
joint constructions are available, which can
be combined with suitable knee joints
depending on the patient’s activity level.
If
one pelvic
half must be partially or completely
removed, it is called a hemipelvectomy. In
this case the conditions of support and
encasement are especially difficult. By
removing the ischial tuberosity the
sitting
area is lost, and due to the lost of the os
ilium the encasement surface decreases so
that the lower thoracic area may require
enclosure by the pelvic socket. In the case
of hemipelvectomies, not only are the organs
of motion involved, but often artificial
outlets for the bladder or intestine are
required, making orthopedic technical
fitting even more difficult.
