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THE difficulty experienced in the passing of the suture thread through the transplant, even when very fine needles are used, in the endeavor to avoid bruising or contusing it, is due to the effort to reduce the pressure exerted on the forceps to a minimum, which pressure must be greater than that produced by the forcing of the needle through the corneal transplant.
Forceps to facilitate preparatory suture of the corneal transplant.
Special forceps have been made by Friede with the object of avoiding this trouble; but, although they cause less injury, they still squeeze the transplant.
To reduce the lesion of the transplant to a mimimum, I have designed forceps which allow the transplant to be securely held without any injury whatever resulting from overpressure during the process of making the preliminary sutures because no pressure applied to the forceps is imparted to the imprisoned transplant (figure).
H. ARRUGA. AN INSTRUMENT FOR KERATOPLASTYNew Forceps to Facilitate the Preparatory Suture of the Transplant. Arch Ophthalmol. 1946;35(3):299–300. doi:10.1001/archopht.1946.00890200305009