Surgical toroidal snare

Details Surgical toroidal snare Surgical toroidal snare

1991-06-20

1992-06-23

Pellegrino, Stephen C.

Surgery

Instruments

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

606113, 623 6, A61F 900

Patent

active

051239060

ABSTRACT:
A surgical instrument for seating an intraocular lens in the posterior capsule of an eye in place of a removed cataracted natural lens includes a longitudinally extending shank and a band attached to the shank and forming a closed loop. The loop extends outwardly of the S-shaped tip portion of the shank for holding the intraocular lens in a plane which is generally parallel to and laterally displaced from the longitudinal axis of the shank. The band has a first end connected with the shank for movement therewith, and a second end connected to a support member located in the shank for movement therewith and relative thereto. The member, when displaced in the shank bore relative to the shank, tears the band, breaking the loop. Thereby, upon withdrawal of the instrument from the eye, the band is withdrawn together with the instrument without disturbing the seating of the intraocular lens in the posterior capsule.

REFERENCES:
patent: 4214585 (1980-07-01), Bailey, Jr.
patent: 4429421 (1984-02-01), Levy
patent: 4530117 (1985-07-01), Kelman
patent: 4538611 (1985-09-01), Kelman
patent: 4699140 (1987-10-01), Holmes et al.
patent: 4917680 (1990-04-01), Poley

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