Forceps and method for nuclear fragment removal

Details Forceps and method for nuclear fragment removal Forceps and method for nuclear fragment removal

1991-07-01

1992-09-15

Rosenbaum, C. Fred

Surgery

Instruments

Means for removing, inserting or aiding in the removal or...

606205, 606210, A61F 900

Patent

active

051473690

ABSTRACT:
Forceps are provided for use in removing nuclear fragments of the lens of an eye during eye surgery. It is not unusual during phaco emulsification surgery on the lens of an eye for the capsule of the lens to become torn and for vitreous humor to enter the lens capsule through the tear and engulf the nuclear fragments remaining in the lens to migrate through a tear in the lens capsule into the vitreous humor. The forceps of the invention allow such nuclear fragments to be removed far more easily and with less likelihood of complications than has heretofore been possible. The forceps are formed of a pair of elongated arms at the tips of which tiny hemispherical or oval cup-shaped implements are mounted. These implements are concave at their mutually facing central regions. The perimeters of the implements from cutting edges that are capable of being brought into mutual contact throughout to entrap loose nuclear fragments therebetween.

REFERENCES:
patent: 896338 (1908-08-01), Tolman
patent: 1461670 (1923-07-01), Mills
patent: 2994321 (1961-08-01), Tischler
patent: 3895636 (1975-07-01), Schmidt
patent: 3964468 (1976-06-01), Schulz
patent: 4213460 (1980-07-01), Weiner
patent: 4226459 (1980-10-01), Natalicio
patent: 4888015 (1989-12-01), Domino

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