Rotational molding of medical articles

Details Rotational molding of medical articles Rotational molding of medical articles

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61F 2/12 (2006.01) B29C 41/06 (2006.01) B29C 41/50 (2006.01) B29C 33/00 (2006.01) B29C 33/68 (2006.01) B29C 41/00 (2006.01)

Patent

CA 2453348

A system and method for molding the shell of a medical device or other molded article is disclosed. The system includes a multi-axis rotational molding machine (50) in which a mold (100) is mounted. The mold (100) has a cavity (60) in the shape of the article to be molded. The mold (100) seals to hold a vacuum. In operation, silicone or other molding material is inserted into the mold (100), vacuum is applied to the mold (100), the mold (100) is rotated about at least two axes (A, B) and a molding material coats the inside walls of the mold (100) to form the shell or other desired article. A rotationally molded medical article is also disclosed.

L'invention concerne un système et un procédé de moulage de la coquille d'un instrument médical ou un autre article moulé. Le système comprend une machine à mouler par rotation (50) dans laquelle un moule (100) est installé. Le moule (100) présente une cavité (60) ayant la forme de l'article à mouler. Le moule (100) est fermée de façon à assurer une fixation de la matière par dépression. Pendant le fonctionnement, du silicone ou un autre matériau de moulage est inséré dans le moule (100); un vide est créé dans le moule (100); le moule (100) est mis en rotation autour d'au moins deux axes (A, B) et une matière à mouler est utilisée pour tapisser les parois intérieures du moule (100) afin de former la coquille ou un autre article désiré. L'invention concerne en outre un article médical moulé par rotation.

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