Here are the responses I have received on my inquiry regarding the
The Tachdijian Orthosis was once widely used for the treatment of
Perthes. This orthosis is no longer used. Attached is a photo of the
A Tachdijan orthois is an orthosis for treatment of Legg Perthes.
it is referred to as a Trilateral Orthosis. The orthosis maintains
in abduction utilizing a weight bearing type ischial brim and and
metal super structure. The metal super structure is attached to the
and extends to the floor with a patten bottom on the distal aspect.
If you have
access to an illustrated guide to the HCPCS L Codes,review code
an adequate illustration and description.
It is also called a trilateral orthosis. I t has a laminated or
girdle with ischium weight bearing like a quadrilateral prosthesis, a
metalic bar that goes to the floor keeping the child’s leg abducted
the air, with no load on the head of the femur.For bilateral cases we
Atlanta brace or Scotish Rite brace.If you need pictures or a draw I
fax it for you.
A Tachdijian orthosis is used for Legg-Perthes’ Disease. I believe
same as the Scottish Rite orthosis but will have to double check my
The Tachdijian orthosis was a unilateral KAFO designed for Legg-
It didn’t maintain abduction consistently and fell out of favor. I
have a reference, but I know there were a couple of articles about it
the medical literature about 20 years ago.
It is a special type of patten bottom device with a trilateral brim
legg perthses. Contact Fillauer for more info..
The Tachdijian orthosis was an orthosis developed by a doctor of that
used to treat Legg Calve Perthes disease. Its trilateral design
ambulation-there is a picture of one in the Atlas of Orthoses
to current edition.
It is an ischial weight bearing prosthesis used in the immediate
post-operative period for early ambulation of the new below-knee
Dr. Tachdijian developed it with assistance from Wright & Fillipis
Michigan. Becker Orthopedic distributes it in the USA. Personal
that it is an over complicated piece of junk.
Juan: It is a Legg Perthes Orthosis, Trilateral (L1720). I believe
Fillauer can supply the components and/or central fab it.
The Tachdjian orthosis is a unilateral KAFO historically used for the
abducted, unloading of the anatomical hip joint. It’s most common
application was in the treatment of Legg-Calve’-Perthes disease.
Myron Tachidijan is an Orthopedic Surgeon I worked with in the 70’s.
He designed several different orthoses for children.
One we worked on with him was the “Tri-lateral Legg-Calve Perthes
this held the afflicted limb in an abducted position in a knee
a contra lateral shoe lift to balance the pelvis. This is shown in
Juan Manuel Castro
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