These scissors were developed to eliminate the difficulty in cutting the polyethylene tubing without weakening the contained suture in the scleral buckling operation for retinal detachment.
The tubing is cut in the notched portion of the blades, which are so adjusted as to hold the suture inside without fraying it. A slight twist of the portion of the tube to be discarded frees it from the implanted tube while the suture remains in situ.
The scissors should be tested prior to use, employing the size tubing and suture preferred by the operator, and if the suture is found to be weakened, an adjustment may be made by placing a round piece of steel, such as a small screw-driver, just back of the joint and pressing the handles together until the desired adjustment is obtained.
The tube cutter has been tested by several operators with good results. It may be obtained
HUEY TF. A Cutter for Prethreaded Polyethylene Tubing. AMA Arch Ophthalmol. 1960;63(5):790. doi:https://doi.org/10.1001/archopht.1960.00950020792007
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