Apparatus and method for gauging and controlling process steps u

Details Apparatus and method for gauging and controlling process steps u Apparatus and method for gauging and controlling process steps u

1990-02-06

1992-10-06

Isabella, David

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

Implantable prosthesis

Bone

606 87, 606 99, A61F 228, A61F 504

Patent

active

051527928

ABSTRACT:
Over tightening of the threaded rods used to engage and remove the cement for prosthetic joints is avoided by measuring the depth of the passages into which the rods are threaded and providing sleeves on the rods which serve as visual indicia of the extent of penetration of the rods into the cement. A depth gauge calibrated in both units of length and screw thread turns is provided for the measuring function. The sleeves are slidably received on the rods and proportioned to engage the edges of the passages into which the rods are threaded. In use, the sleeves slide toward a marker as the rods are threaded into place.

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"Revision in Surgery for Failed, Monseptic Total Hip Arthroplasty-The Femoral Side", William H. Harris, M.D., pp. 8-20.

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