Coil spring shock module prosthesis

Details Coil spring shock module prosthesis Coil spring shock module prosthesis

A - Human Necessities

61

F

A61F 2/60 (2006.01) A61F 2/00 (2006.01) A61F 2/50 (2006.01) A61F 2/66 (2006.01) A61F 2/74 (2006.01) A61F 2/76 (2006.01)

Patent

CA 2321591

An impact-absorbing shock module (22) is provided comprising two pylons (26, 28) telescopingly engaged to permit axial and rotational motion therebetween. A resilient element, preferably a spring (30) or spring-fluid combination, provides axial shock absorption. A tubular torque-resisting cuff (34) provides rotational resistance, or torsion- resistance. An optional fluid valve (50) may be provided so that the fluid pressure may be varied to adjust the torsion resistance of the cuff (34).

L'invention concerne un module amortisseur (22), qui comprend deux piliers télescopiques (26, 28) pouvant se déplacer axialement et tourner l'un par rapport à l'autre. Un élément résilient, de préférence un ressort (30) ou une association ressort-fluide, assure l'amortissement axial. Un manchon (34) tubulaire résistant aux couples assure la résistance à la rotation ou à la torsion. Eventuellement, un robinet fluidique (50) permet de faire varier la pression du fluide afin d'ajuster la résistance à la torsion du manchon (34).

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