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US 5,011,497 AGranted
Joint prosthesis
AssigneesAtos Medical AB, Institutet for Tillampad Bioteknologi
InventorsJan-Ove Persson, Per-Ingvar Branemark
Life of this patent
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Abstract
Joint prosthesis comprising a joint section (10) having a web (16) of an elastomer, arranged between two pins (11) which are inserted each in one of two tubular screws (17) to be secured in the bones between which the joint prosthesis shall be arranged, the pins being secured in the web by means of flanges embedded into the elastomer. Pins and screws comprise a biocompatible material.
Claims8
A joint prosthesis configured to replace an existing joint comprising:
- an elastomeric webbed joint section;
- two screws with bores at ends adjacent to the elastomeric webbed joint section, the screws configured to be received in the respective bones adjacent the joint;
- two elongated pins characterized in that each pin has at one end thereof a transverse flange, said flanges being embedded into opposite sides of the webbed joint section, and wherein each of said pins is adapted to be inserted into the bores of respective hollow screws.
Dependencies are inferred from the claim text.