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A new covered implant which has all six extrinsic muscles attached to it is herewith presented. It is a modification of Dr. Orwyn Ellis' plastic implant, made of lucite.® It comes in two sizes, 18 by 18 and 16 by 16 mm., over-all dimensions. It weighs 2.94 Gm.
There are two slots for the oblique muscles on the temporal side behind the equator of the implant. The slots run in a horizontal direction. In front of the equator there is a ring. Beneath are openings for the rectus muscles.
All the ocular muscles are preserved during the enucleation procedure, and 0000 chromic surgical sutures U. S. P. are passed through their insertions. The oblique muscles are passed through their respective slots first and tied onto each other behind the equator. The superior and inferior rectus muscles are passed through their respective openings beneath the ring in front and are tied
LANDEGGER GP. A NEW ORBITAL IMPLANT WHICH USES THE SIX EXTRINSIC MUSCLES. AMA Arch Ophthalmol. 1950;44(5):729-730. doi:10.1001/archopht.1950.00910020741010