Joint-replacement prosthetic device

Details Joint-replacement prosthetic device Joint-replacement prosthetic device

1985-02-20

1987-06-16

Apley, Richard J.

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

Implantable prosthesis

Bone

623 18, A61F 238

Patent

active

046734074

ABSTRACT:
A prosthetic device for use in joint replacement in a bone. The device includes an implant adapted to seat on a receiving surface of the bone, defining a bone/implant interface, and an attachment element adapted to be secured to a portion of the bone which is spaced from the interface by an axially extending bone region. The implant is connected to the attachment element by a connecting member adapted to allow substantially unhindered movement of the implant relative to the attachment member to freely accommodate elastic deformation in the bone region between the implant and attachment element. A low-modulus spring, operatively interposed between the connecting member and the implant or attachment element, functions to hold the implant against the bone surface with a selected compression force.

REFERENCES:
patent: 4000525 (1977-01-01), Klawitter et al.
patent: 4129903 (1978-12-01), Huggler
patent: 4530114 (1985-07-01), Tepic

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