Multipolar joint endoprosthesis

Details Multipolar joint endoprosthesis Multipolar joint endoprosthesis

1994-06-30

1996-04-16

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

623 23, A61F 230, A61F 232

Patent

active

055078184

ABSTRACT:
A multipolar joint endoprosthesis for joint replacement includes multiple wedge shaped, cylindrical components attached in sequence to proximal and distal components (designed to be affixed to bone) each inseparable except by surgical manipulation and each freely, passively rotating about axes perpendicular to its planes of effacement with adjacent components. This passive rotation of one or more of the wedge-shaped components alters the angular orientation of the proximal and distal components thereby allowing range of motion of the joint in question.

REFERENCES:
patent: 3414908 (1968-12-01), Waggott et al.
patent: 3671978 (1972-06-01), May
patent: 4563898 (1985-08-01), Palfray
patent: 4923472 (1990-05-01), Ugolini
patent: 5336268 (1994-08-01), Rispeter

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