Cannulated screw dye injector

Details Cannulated screw dye injector Cannulated screw dye injector

1987-12-04

1988-08-02

Rosenbaum, C. Fred

Surgery

Truss

Perineal

128 92VP, 128 92YV, A61F 501

Patent

active

047608447

ABSTRACT:
A dye injector apparatus is operatively disposed between a syringe containing an opaque dye suitable for x-ray photography and a cannulated screw or an orthopedic hip fixation device implanted in the ball head of a femur fractured at the femur neck. The dye injector comprises a cannulated shaft, a flange end suitably formed to receive the spout of the syringe, and a needle end suitably formed for insertion into the fixation device. The dye injector communicates the dye from the syringe to the cannulated screw. If the cannulated screw has extended beyond the femur ball head and penetrated the hip socket, an x-ray photograph of the hip socket shows the presence of the dye in the hip socket signaling the need for further operative care so that the cannulated screw will not postoperatively injure the hip socket.

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patent: 4595006 (1986-06-01), Burke et al.
Zimmer, Warsaw IN, 1983 catalog supplement, pp. S21-S22, LVC.RTM. (Low Viscosity Cement).

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