Cosmetic covers for prosthetic limbs

Details Cosmetic covers for prosthetic limbs Cosmetic covers for prosthetic limbs

2005-06-28

2005-06-28

Stewart, Alvin J. (Department: 3738)

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

Leg

Reexamination Certificate

active

06911049

ABSTRACT:
An endoprosthesis for below knee amputations includes a socket, a foam-covered pylon, and a prosthetic foot. A prosthetic knee is added for above knee amputations. A plastic sleeve is formed, heated, and stretched until it has a size sufficient to ensleeve the endoprothesis. The plastic sleeve is maintained at that enlarged size and cooled so that the resulting sleeve is substantially inelastic, yet easily deformable and adapted to receive the endoprosthesis. The plastic sleeve is heated in areas where it does not conform exactly to the endoprosthesis until it shrinks and conforms exactly to the endoprosthesis, including the contour of the foam-covered pylon. The plastic sleeve then reveals all of the structural details of the prosthetic foam but does not apply compressive force to the foam. Lines of demarcation therefore do not form at the locations where the foam meets the prosthetic socket, the prosthetic knee, or the prosthetic foot.

REFERENCES:
patent: 3400408 (1968-09-01), Garcia
patent: 5133775 (1992-07-01), Chen
patent: 5219364 (1993-06-01), Lloyd
patent: 5226918 (1993-07-01), Silagy et al.
patent: 5376127 (1994-12-01), Swanson
patent: 5425780 (1995-06-01), Flatt et al.
patent: 6083265 (2000-07-01), Shorter et al.
patent: 6740124 (2004-05-01), Laghi

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