Surgery: splint – brace – or bandage – Orthopedic bandage – Splint or brace
Patent
1990-06-21
1992-07-21
Isabella, David
Surgery: splint, brace, or bandage
Orthopedic bandage
Splint or brace
602 26, A61F 300
Patent
active
051313855
DESCRIPTION:
BRIEF SUMMARY
The invention relates to an orthesis for the human knee having two joints which are disposed at the sides of the knee and out of which there project arms which embrace the knee-cap and meet in pairs, above and below the knee-cap, in a centrally arranged tongue in each case, by which tongues at least one thigh strap and one leg strap are carried above and below the knee.
Such an orthesis is known. For adaptation to the leg of the particular patient, an outline drawing of the leg is prepared and then the orthesis is produced individually from this drawing or a corresponding plaster model.
It is the object of the invention to provide an orthesis which is suitable for supplying to a patient immediately and which can be largely adapted directly to the patient's leg. According to the invention, this is achieved in that each tongue is connected to its associated strap by an interchangeable longitudinal rail placed in position from the outside, via adjustment means which substantially determine, in the region of the tongue, the axis of the strap in relation to the joints and, in the region of the strap, its distance from the joints.
The orthesis thus formed renders possible its direct adaptation to the patient's leg in two ways, namely, on the one hand, by adaptation of the axis of the strap in relation to the joints of the orthesis, as a result of which the necessary right/left adjustment is effected, and in addition an adaptation to the particular longitudinal direction of the thigh or leg (O-leg or X-leg), and on the other hand an adaptation to the length of the leg by appropriate adjustment of the straps to the particular distance necessary from the joints of the orthesis. At the same time, any necessary therapeutic effects, for example the counteraction to O-leg or X-leg, are likewise achieved by suitable adjustment. The securing of the adjustment means in position in each case is effected by applying the orthesis directly to the patient's leg while the adjustment means are successive aligned and finally secured in position.
The possibility of adjusting the orthesis can be advantageously extended in that, for the purpose of adjustment in size, the tongues end in two extensions, each overlapping an arm, and are connected to the arm in question through further adjustment means which determined the length of the overlap in the longitudinal direction of the arms. As a result of the adjustment of the particular degree of overlap of extension of the tongue and arm, the following possibilities for adaptation result: By reducing the overlap, that is to say by pulling the arms out further, because the knee-cap is embraced by the arms, the two joints of the orthesis are pushed outwards so that a broader knee can be accommodated in the orthesis. In addition, in the course of this, the encompassed space is enlarged, that is to say the two tongues move away from one another so that the knee-cap is to some extent encompassed over a larger circle. At the same time there is the further effect that the position of the axis passing through the two joints can be adapted precisely to the imaginary axis of rotation of the knee joint. Finally, the particular degree of overlap can be adjusted individually, that is to say asymmetrically, so that any adaptation to axial curvature of the leg is rendered possible.
In order to render possible supporting of the thigh and leg respectively over a particularly great length, longitudinal rails of different lengths may appropriately be provided, which are provided with a plurality of adjustment means for the fitting of a plurality of straps. As a result of the use of longitudinal rails of different lengths, it is possible to secure the strap in question at an appropriate distance from the knee joint. In addition, the longitudinal rail with a plurality of adjustment means also renders possible the provision of a plurality of straps, which leads to an arrangement of straps above and/or below one another, which straps can support the leg in question over a great length according to the indicatio
REFERENCES:
patent: 3911497 (1975-10-01), Lewis, Jr. et al.
patent: 4241730 (1980-12-01), Helfet
patent: 4854308 (1989-08-01), Drillio
patent: 4856501 (1989-08-01), Castillio et al.
patent: 4940044 (1990-07-01), Castillio
Bauerfeind Hans B.
Kuehnegger Walter
Bauerfeind GmbH & Co.
Brine Aubrey C.
Isabella David
Meegan Owen J.
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