Device for producing a material for orthopedic purposes

Details Device for producing a material for orthopedic purposes Device for producing a material for orthopedic purposes

1994-09-01

1996-05-28

Davis, Robert

Plastic article or earthenware shaping or treating: apparatus

Female mold and cooperating stock smoothing means or excess...

264 83, 425394, B29C 3500

Patent

active

055205291

ABSTRACT:
A shapeable and re-shapeable material for orthopedic devices is formed of an amorphous, thermoplastic forming a matrix layer, for example of PMMA which is polymerized at room temperature, and of reinforcing fibers inserted therein. It is possible to provide several matrix layers, bonded in a laminate-like manner, respectively provided with fibers. The material can be deformed in the course of producing orthopedic devices and can be re-deformed in the course of using the device by being respectively heated to less than 200.degree. C. A mixture of the reaction components of the plastic material is placed in a mold for producing the shapeable material, the fibers are placed on it and the polymerizing plastic material is compacted. Additional mixture and additional fibers can be added during the polymerization of the first matrix layer in the same manner to form further layers of the laminate-like shapeable material. The shapeable material is used for self-supporting, shell-like structures, particularly in orthopedic technology.

REFERENCES:
patent: 921067 (1909-05-01), Bentley
patent: 2061497 (1936-11-01), Beauchamp
patent: 3096545 (1963-07-01), Rowland
patent: 3736088 (1973-05-01), Jimenez
patent: 4030873 (1977-06-01), Morrison
patent: 4501544 (1985-02-01), Akutagawa
patent: 4902215 (1990-02-01), Seemann, III
patent: 4946360 (1990-08-01), Brown
patent: 5244375 (1993-09-01), Laurence et al.

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