Surgery – Instruments – Means for removing – inserting or aiding in the removal or...
Patent
1991-11-12
1992-08-04
Green, Randall L.
Surgery
Instruments
Means for removing, inserting or aiding in the removal or...
606166, 606167, 128898, A61F 900, A61B 1732
Patent
active
051355302
ABSTRACT:
The present invention is an anterior capsular incising apparatus having a pair of crisscrossing arms hinged at a crisscross joint and each having a forward portion and a rearward portion and a deformable circular cutting ring having a sharp bottom circular cutting edge detachably mounted onto and between the forward portions of the pair of crisscross arms, such that the deformable circular cutting ring can be compressed into a narrow elliptical shape by squeezing the rearward portions of the pair of crisscrossing arms. The present invention anterior capsular incising method utilizes the deformable circular cutting ring in cataract surgery and includes compressing the deformable circular cutting ring into a narrow elliptical shape, inserting it into the anterior chamber of an eye through a narrow wound cut on the corneoscleral tissue of the eye, allowing it to fully return to its original configuration once inside the anterior chamber, cutting an incision on the anterior lens capsule of the eye, compressing it into the narrow elliptical shape again, and withdrawing it from the anterior chamber through the narrow wound on the corneoscleral tissue.
REFERENCES:
patent: 4766897 (1988-08-01), Smirmaul
patent: 4785810 (1988-11-01), Baccala et al.
patent: 4844065 (1989-07-01), Faulkner
patent: 4959070 (1990-09-01), McDonald
Green Randall L.
Jones Mary Beth O.
Rozsa Thomas I.
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