Surgery: splint – brace – or bandage – Orthopedic bandage – Splint or brace
Patent
1998-03-16
2000-01-04
Apley, Richard J.
Surgery: splint, brace, or bandage
Orthopedic bandage
Splint or brace
1281021, A61F 502
Patent
active
060104724
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention is relative to a frame-construction hyperextension orthotic device.
Orthotic devices of this type serve among other things in the case of traumatic compression fractures in the lumbar and thoracolumbar area as well as in the thoracic area, adolescent kyphosis and osteoporosis as well as postoperatively to stabilize the patient and to prevent certain damaging movements of the patients such as excluding inclining or rotating movements of the spinal column and to make it possible to relieve stress from the frontal edges of the spinal column.
At the same time lateral sideways movements should also be limited.
DESCRIPTION OF THE RELATED ART
The known orthotic devices of this type comprise a 3-point system with a truss pad on the sternum, on the pubic bone as well as one on the thoracolumbar transition. The adaptation to the individual size relationships takes place via rod elements which can be shifted relative to each other and are permanently connected to each other via removable screws.
Frequently, the screws are thrown out almost explosively when they are loosened. On account of this known design with its problems, three to five different sizes are necessary.
BRIEF SUMMARY OF THE INVENTION
The invention has the problem of creating an orthotic device of the initially cited type which assures a reliable elimination of undesired and damaging movements of the patient and nevertheless makes possible, starting from only one orthotic size, if possible, an easy, continuously adjustable adaptation to the particular individual size relationships and/or angular associations of the patient.
The inventions solves this problem by the features of claim 1.
Advantageous developments result from the subclaims.
The invention is explained by way of example in the following with reference made to the drawings.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
FIG. 1 shows a simplified basic representation of a frame orthotic device with two pressure truss pads just below the particular clavicles.
FIG. 2 shows a basic representation of two rod elements with guide body which elements can be shifted longitudinally via oblong holes.
FIG. 3 shows a cross section along line III--III in FIG. 2.
FIG. 4 shows a perspective representation of a variant of the hyperextension orthotic device.
DETAILED DESCRIPTION OF THE INVENTION
As can be recognized from FIG. 1, in the case of hyperextension orthotic device 10 in accordance with the invention and in deviation from the previously customary arrangement, pressure points are provided with truss pads 11, 12 not on the sternum but rather higher up just below the two clavicles. This prevents, in a more effective manner than previously, the patient from executing inclining or rotating movements of the vertebra segments. At the same time lateral sideways motions are limited by the frame orthotic device. In addition, lesions up to the level of the eighth thoracic vertebra can be taken care of.
In practice, an easy and continuously adjustable adjustment of rod elements 13, 14 in their longitudinal direction and therewith an easy adaptation to the individual size relationships of the patient are especially significant.
As results from FIG. 2, upper 13 and lower rod elements 14 comprise oblong holes 15 through which outer guide cylinders 16 of setscrews 17 extend with a slight snug fit in accordance with FIG. 3. Guide cylinders 16 of setscrews 17 are provided on the inside with a thread which surrounds threaded pin 18 extending from the other side into guide cylinder 16. This threaded pin 18 has a multiple of the length required to loosen setscrew 17. Setscrew 17 can therefore be considered as "unlosable" since only a fraction of a revolution of setscrew 17 is required to loosen the stop but the overlap of the threads of setscrew 17 and of threaded pin 18 amounts to several threads.
Basically, suitable stops or other suitable motion limitations can also be used to prevent setscrew 17 from loosening from threaded pin 18 in an undesired manner.
REFERENCES:
patent: 1793776 (1931-02-01), Clayton
patent: 1917106 (1933-07-01), Ettinger
patent: 2310566 (1943-02-01), Anderson
patent: 2871850 (1959-02-01), Peckham
Apley Richard J.
Lee Kim M.
Schellin Eric P.
Weihermuller & Voigtmann GmbH & Co.
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