Apparatus for vibrating the ulna in vivo

Details Apparatus for vibrating the ulna in vivo Apparatus for vibrating the ulna in vivo

1981-07-07

1983-11-22

Apley, Richard J.

Surgery

Truss

Perineal

128 51, 128739, A61M 100

Patent

active

044162693

ABSTRACT:
An apparatus for vibrating the ulna in vivo includes a main post provided upright on a base stand, and a horizontally extending upper arm secured to the upper part of the main post for vertical movement. The apparatus also includes a plate for fixing the back of the hand; the plate is secured to the end of the upper arm for free movement at an arbitrary angle of inclination. A lower arm which is secured for vertical movement to the lower part of the main post and extending in the same horizontal direction as the upper arm is also provided. In addition, an excitor is mounted on the lower arm for sliding movement in the axial direction of the lower arm and in a horizontal direction perpendicular thereto, and a brachium resting plate is fixed ahead of the excitor.

REFERENCES:
patent: 2668912 (1954-02-01), Goldfield et al.
patent: 3477422 (1969-11-01), Jurist, Jr. et al.
patent: 4226390 (1980-10-01), Steggall
John M. Jurist, Ph.D., In Vivo Determination of the Elastic Response of Bone I. Method of Ulnar Resonant Frequency Determination, Phys. Med. Biol., 1970, vol. 15, No. 3, 417-426.
John M. Jurist, Ph.D., In Vivo Determination of the Elastic Response of Bone II. Ulnar Resonant Frequency in Osteoporotic, Diabetic and Normal Subjects, Phys. Med. Biol., 1979, vol. 15, No. 3, 427-434.
Kurt F. Konkel, MD. et al., Tibial Resonant Frequency in Paget's Disease, Wisconsin Medical Journal, May 1973, vol. 72, 123 and 124.

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