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US Patent 5217464 - Three bar cross action lens implantation forceps
US Patent Issued on June 8, 1993
Estimated Patent Expiration Date:
June 1, 2012Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
June 1, 2012Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractAn apparatus for intraocular implantation of a plastic lens in the eye lens zone from which a natural lens has been removed via a surgical incision in the corneoscleral limbus comprising a surgical forceps having two arms and blades projecting beyond portions of the arms defining a cross-over locus, the blades clamping the plastic lens to be implanted; the blades including first and second spaced blades carried by one arm portion, and a third blade carried by the other arm portion, whereby stable three point support is provided for the lens during its passage through the incision into the eye. | InventorAssigneeApplicationNo. 890810 filed on 06/01/1992US Classes:606/107, Means for removing, inserting or aiding in the removal or insertion of eye lens material24/552, Segments form opposed engaging faces81/419, Tined or digitated jaws294/99.2, Hand-held (e.g., tweezer, tongs)606/206, Jaws biased to open or closed position606/207, Jaw structure623/6.12Combined with surgical toolField of Search606/107, Means for removing, inserting or aiding in the removal or insertion of eye lens material606/205, Forceps606/206, Jaws biased to open or closed position606/207, Jaw structure606/210, Tweezers294/1.2, CONTACT LENS APPLICATOR294/99.2, Hand-held (e.g., tweezer, tongs)24/551, Relatively movable segments of resilient gripping member contact and cross in nonuse position24/552, Segments form opposed engaging faces24/553, Having specific handle structure81/419, Tined or digitated jaws81/420Jaws extend laterally beyond side edge plane of handle(s)ExaminersPrimary: Green, Randall L.Assistant: Jones, Mary Beth Attorney, Agent or FirmUS Patent References1268922, 3611842, 3741602, 3882872, 4198980, Intraocular lens inserting toolIssued on: 04/22/1980 Inventor: Clark4573998, Methods for implantation of deformable intraocular lenses Issued on: 03/04/1986 Inventor: Mazzocco4813957, Intraocular lens implantation Issued on: 03/21/1989 Inventor: McDonald4844065, Intraocular lens inserting tool and method Issued on: 07/04/1989 Inventor: Faulkner4957505, Cannulated spring forceps for intra-ocular lens implantation method Issued on: 09/18/1990 Inventor: McDonald4959070Intraocular lens implantation Issued on: 09/25/1990 Inventor: McDonald Foreign Patent References
International ClassesA61B 017/28B25B 009/02 |
