A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/56 (2006.01) A61F 2/62 (2006.01) A61F 2/68 (2006.01) A61F 2/76 (2006.01) F16B 2/16 (2006.01) A61F 2/00 (2006.01) A61F 2/60 (2006.01) A61F 2/78 (2006.01) A61F 2/80 (2006.01)
Patent
CA 2311749
Locking device intended as a fastening means for protheses, such as leg and arm protheses, of the kind where the prothesis is to be fastened to a cylindrical part such as a pin, an axle, a tube or the like. The locking device comprises a cage (18) with a ring of balls (19) arranged therein, said ring of balls by means of spring action is pressed into a conical seat (20) in the cage, at which the locking device is locked to the pin (12) or the like in axial direction while rotational movement is admitted. The locking device further comprises actuating means (24) for releasing the ring of balls (19) from the conical seat (20), at which the cage (18) is arranged in a housing (16) provided with a through opening for receiving said pin (12) or the like, said opening (16) has a larger diameter than the pin or the like in order to admit this to be inserted also in an oblique position.
L'invention concerne un dispositif de verrouillage destiné à fixer des prothèses, telles que des prothèses de bras et de jambes, du type de celles devant être fixées à une partie cylindrique telle qu'une tige, une broche, un tube ou équivalent. Le dispositif de verrouillage comprend une cage (18) contenant un cercle de billes (19), ce cercle de billes est pressé sous l'action d'un moyen élastique contre un siège conique (20) de la cage, le dispositif de verrouillage étant verrouillé à la tige (12) ou équivalent dans la direction axiale tandis que le mouvement de rotation est autorisé. Le dispositif de verrouillage comprend également un actionneur (24) permettant de détacher le cercle de billes (19) du siège conique (20), la cage (18) étant placée dans un boîtier (16) doté d'une ouverture traversante permettant de recevoir la tige (12) ou équivalent. Cette ouverture (16) a un diamètre supérieur à celui de la tige ou équivalent afin de pouvoir à la tige d'être aussi insérée en position oblique.
Gramnas Finn
Mccarthy Tetrault Llp
LandOfFree
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