Vertebral locking and retrieving system

Details Vertebral locking and retrieving system Vertebral locking and retrieving system

1993-07-29

1994-07-19

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 60, 606 54, A61B 1758

Patent

active

053304748

ABSTRACT:
A vertebral locking and retrieving system comprising a locking pin, a connector, a locking component, a coupling component, a remedial component, and securing components is disclosed. The locking pin includes a threaded end and a locking end. The threaded end is adapted to be secured to a normal, healthy vertebra. The connector comprises a through hole and an integrally formed cubic portion at one lateral side of the through hole. The cubic portion has a locking aperture adapted to non-rotatably accept the locking end of the locking pin. The locking component is engaged with the locking end of the locking pin after it has passed through the locking aperture of the cubic portion to hold the connector onto the locking pin. The coupling component is threadably connected one end thereof to the through hole of the connector. The remedial component is secured at one end thereof to a deformed vertebra immediately adjacent to the healthy vertebra to which the locking pin is secured or a vertebra next to the deformed vertebra and different from this healthy vertebra and is connected at its other end thereof to the other end of the coupling component. The securing components enable the remedial component to be fixedly secured to the coupling component.

REFERENCES:
patent: 3997138 (1976-12-01), Crock et al.
patent: 4611580 (1986-09-01), Wu
patent: 4854304 (1989-08-01), Zielke
patent: 4988349 (1991-01-01), Pennig
patent: 5030220 (1991-07-01), Howland
patent: 5047029 (1991-09-01), Aebi et al.
patent: 5053034 (1991-10-01), Olerud

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