Surgery – Truss – Perineal
Patent
1985-02-28
1986-09-02
Crowder, Clifford D.
Surgery
Truss
Perineal
128584, A61F 500
Patent
active
046089705
DESCRIPTION:
BRIEF SUMMARY
The invention relates to orthopedic shoes designed for correcting malformations and malpositions of the feet of infants from the first days of life.
We know that a very large proportion of newborn, estimated to be of the order of 5 to 10%, are afflicted with various malformations and malpositions of the feet: talipes calcaneus, talipes valgus, talipes varus, pes adductus, talipes calcaneovalgus, talipes calcaneovarus, talipes equinovarus, metatarsus varus, pes cavus, congenital convex pes valgus, etc. Sequelae of clubfoot are also encountered frequently after the first corrective treatments.
Numerous orthopedic and therapeutic methods and techniques are currently used to reduce these deformities by the first days after birth. They include elastic adhesive bandages, so-called Finck bandages, plaster casts, splits, materials that can be formed by the application of heat, and, during the consolidation treatment, various types of orthopedic shoes such as shoes for correcting pes adductus, so-called American sandals, and ankle boots for correcting talipes varus.
Irrespective of the quality of the results that can be obtained, these treatments present significant disadvantages: extent on the training, practice and skill of the practitioner; the treatment of a single type of deformity; become irreversible, caused by the use of plaster casts, heat-formed materials, and elastic adhesive bandages; talipes varus and pes adductus, are applicable for only a simple type of malformation, whereas most of the time the malformation is of a combined type with variable degrees of deviations in several directions. Thus, the anti-adductor ankle boot described in French Pat. No. 2 467 560 is comprised of two separate parts corresponding respectively to the hindfoot and the forefoot, articulated around a common vertical axis and can be used effectively only on simple pes adductus, since the two parts can pivot in relation to each other only in a horizontal plane. Furthermore, in this case, there is a return spring that is supposed to exert the corrective action, and the two parts, rear and front, therefore cannot be immobilized positively in relation to each other in the desired correction position.
In the shoe proposed in U.S. Pat. No. 3,171,407, where in addition to the articulation around a vertical axis which is found in a different form, the design is furthermore concerned with a correction around two other axes that are supposed to correspond to two other degrees of freedom, this correction is theoretically realizable only by deforming as necessary a connecting piece consisting of two parallel branches. Aside from the fact that this imposed deformation can only be done empirically by applying an effort "by guesswork", that is to say, without even the most elementary precision, the two axes being practically undefinable geometrically and mechanically, which is also true of the actual extent of the deformation; this deformation is of the plastic type, and therefore irreversible, and the deformed part cannot really be used more than once or twice without being severely damaged, which must necessitate numerous replacements requiring the disassembly and reassembly of numerous parts. Also, the device that is described is extremely complex, which can hardly make its realization and use practical possibilities.
The present invention seeks to free itself of the inadequacies of the state of the art that have just been mentioned by proposing an orthopedic shoe that can be put on rapidly and makes it possible to correct the different types of malformations that can be encountered, simple or combined in several directions, without resorting to other materials.
The invention, whose technical characteristics are listed in the claims, is set forth in the description that follows, for the clearer comprehension of which we shall refer to the drawings in which:
FIG. 1 represents, in perspective and generally, a shoe to which the invention is applied,
FIG. 2 shows a plan view of two half-soles corresponding to the shoe in FIG. 1,
FIG. 3 is a p
REFERENCES:
patent: 2967360 (1961-01-01), Rice
patent: 3086522 (1963-04-01), Frohmader
patent: 3171407 (1965-03-01), Rogers
patent: 3892231 (1975-07-01), Tummillo
patent: 4538599 (1985-09-01), Lindemann
Dunoutier Gerard M.
Marck Thierry
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