Modular prosthesis

Details Modular prosthesis Modular prosthesis

A - Human Necessities

61

F

A61F 2/02 (2006.01) A61F 2/32 (2006.01) A61F 2/36 (2006.01) A61F 2/38 (2006.01) A61F 2/46 (2006.01) A61B 17/28 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2239551

A kit for producing a modular prosthesis is provided, the kit including a first prosthesis member having a cavity such as a bore formed in it, and a clamp releasably clamped in the cavity. The clamp, which may be a rod having an axial bore through a portion of its length, is subjected to an external stimulus such as a stretching force to cause the diameter of the clamp to be reduced enough so that the clamp is received in the cavity. As the stimulus is withdrawn, the clamp returns toward its initial configuration, and in so doing, expands against the walls of the cavity. A second prosthesis member may be configured to receive a portion of the first member such that expansion of the clamp in the cavity of the first member concurrently causes that member to expand into contact with the second member to clamp the members together.

Trousse pour produire une prothèse modulaire comprenant un premier membre prothétique présentant une cavité du genre trou cylindrique et une bride détachable arrimée dans cette cavité. Cette bride, qui peut consister en une tige ayant un orifice axial dans une partie de sa longueur, est soumise à un stimulus externe comme une force d'étirage qui permet d'en réduire suffisamment le diamètre pour qu'elle s'insère dans la cavité. Lorsque le stimulus cesse, la bride reprend sa forme originale et, ce faisant, vient s'appuyer contre les parois de la cavité. Un deuxième membre prothétique peut être configuré pour recevoir une portion du premier membre de telle façon que l'expansion de la bride dans la cavité du premier membre fait en sorte que celui-ci s'étend simultanément au contact du second membre et arrime les deux membres ensemble.

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