Surgery – Instruments – Orthopedic instrumentation
Patent
1989-04-05
1991-09-10
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
606 59, A61B 1758
Patent
active
050470299
ABSTRACT:
A coupling element for holding a Schanz screw and a threaded pin rigidly in the correct orientation comprising a jacket, an eye with a collet therein and a nut.
REFERENCES:
patent: 1578634 (1926-03-01), Borgmann
patent: 2346346 (1944-04-01), Anderson
patent: 2391693 (1945-12-01), Ettinger
patent: 3568963 (1971-03-01), Koskinen
patent: 4271832 (1981-06-01), Evans et al.
patent: 4620533 (1986-11-01), Mears
patent: 4673376 (1987-06-01), Fender
patent: 4693240 (1987-09-01), Evans
patent: 4920959 (1990-05-01), Witzel et al.
Bulletin No. 70, Robert Mathys Co., Synthes, 4/1986.
Aebi Max
Mathys, Jr. Robert
Hafer Robert A.
Rooney Kevin G.
Synthes (U.S.A.)
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