A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/60 (2006.01) A61F 2/80 (2006.01) A61F 2/00 (2006.01) A61F 2/78 (2006.01)
Patent
CA 2459058
A prosthesis shaft (2) is provided with an annular chamber (15) that is located at a distance from its distal end. The annular chamber is formed on the interior of the prosthesis shaft by an adaptable wall (18), which is designed to lie against the exterior of an amputation stump (25). The area between said adaptable wall and the hard prosthesis shaft is aerated by the atmosphere, which causes the adaptable wall to be pressed against the stump by a self-reinforcing, sealing contact force, when a negative pressure arises between the wall and the distal end in the distal region of the prosthesis shaft.
Une tige de prothèse (2) est pourvue, à une certaine distance de son extrémité distale, d'une chambre annulaire (15). La chambre annulaire est formée à l'intérieur de la tige de prothèse par une paroi adaptable (18) qui est conçue pour venir en contact de façon hermétique sur la face externe d'un moignon (25). L'espace entre cette paroi adaptable et la tige de prothèse dure est ventilé par l'atmosphère qui permet que la paroi adaptable se plaque sur le moignon par une force de pression d'étanchéité à auto-renforcement lorsqu'un vide partiel se produit entre la paroi et l'extrémité distale dans la zone distale de la tige de prothèse.
Ossur Hf
Ridout & Maybee Llp
LandOfFree
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