Needle guidance system

Details Needle guidance system Needle guidance system

1983-05-18

1986-02-18

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 51, 128303B, 2482065, A61M 500

Patent

active

045712433

ABSTRACT:
System for stereotaxic lateral extradural disc puncture has a frame fitting over the patient which provides for proper location of the cannula of the needle. The frame has a pair of right-angle members. A lower bridge frame extends horizontally and is clipped to the vertical legs of the right angle members by magnetic clips. A bridge clip fits onto the lower bridge frame and is longitudinally slidable thereon. The stem of the cannula guide slides vertically in the bridge clip. A half-channel on the top of the stem comprises the cannula guide and a bead chain fixed near the half-channel insures that the stem is vertical. Forward and rear heading guide supports are magnetically attached to the horizontal legs of the right-angle members. These supports hold magnetic strips by which a transverse disc overlay strip is held in place. A second bead chain depends from the forward end of the disc overlay strip to locate the proper alignment of the point of the cannula.

REFERENCES:
patent: 3196875 (1965-07-01), Pfeiffer
patent: 3209729 (1965-10-01), Zedaker
patent: 3941127 (1976-03-01), Froning
patent: 3964480 (1976-06-01), Froning
patent: 4447238 (1984-05-01), Eldridge

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