Fixing device for a rigid transverse connection device between r

Details Fixing device for a rigid transverse connection device between r Fixing device for a rigid transverse connection device between r

1994-03-18

1997-02-11

Buiz, Michael Powell

Surgery

Instruments

Orthopedic instrumentation

24135N, A61B 1772

Patent

active

056015526

ABSTRACT:
The body (4) of the hook (1) has a passage (6) for receiving a transverse bar, which passage terminates in an aperture (7) and extends throughout the length of the body. The hook (1) includes a curved strip portion (5) for retaining an osteosynthesis rod which is connected to the body (4) in a region of said aperture (7). The height of the aperture (7) exceeds the thickness of the bar. The strip portion (5) has a width substantially equal to the width of the body (4) and edge portions (9) of the passage (6) are so shaped as to define sliding ramps for the rod which are inclined toward the interior of the strip portion (5). The arrangement of the hook ensures a trapping of the rod which improves the safety of the device in use and reduces the overall size of the hook.

REFERENCES:
patent: 4257409 (1981-03-01), Bacal et al.
patent: 4567884 (1986-02-01), Edwards
patent: 4716894 (1988-01-01), Lazzeri et al.
patent: 4773402 (1988-09-01), Asher et al.

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