Surgery – Instruments – Orthopedic instrumentation
Patent
1991-06-27
1992-07-28
Brown, Michael A.
Surgery
Instruments
Orthopedic instrumentation
606 84, 30294, A61B 1700, B26B 2900
Patent
active
051337193
ABSTRACT:
A medical instrument for engaging a fragment of disk tissue located anterior to the spinal cord and between two vertebrae which comprises an elongated handle member having first and second ends, and a slender curved member extending from the second end of the handle, with the slender curved member terminating in a blunt tip, which blunt tip is employed for engaging the disk tissue fragment. Preferably, the slender curved member has a radius of curvature of about 0.24", a thickness dimension of about 0.1", and is oriented with respect to the handle member at an angle of about 82.5.degree.. It is further preferable that the blunt tip have a concavedly cylindrical surface with a radius of curvature of about 0.75", a width dimension in a plane parallel to its radius of curvature of about 0.38", and extend from the slender curved member by about 0.62 inches.
REFERENCES:
patent: 2029495 (1936-02-01), Lowe
patent: 2913822 (1959-11-01), Wallbillich
patent: 3221744 (1965-12-01), Stryker
patent: 3241236 (1966-03-01), Capps
patent: 3716057 (1973-02-01), Rubin
patent: 3834393 (1974-09-01), Goggins
patent: 3836119 (1974-09-01), Saucier
patent: 4545374 (1985-10-01), Jacobson
patent: 4600005 (1986-07-01), Hendel
patent: 4944744 (1990-07-01), Ray
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