Universal port/seal device for ocular surgery

Details Universal port/seal device for ocular surgery Universal port/seal device for ocular surgery

1996-06-06

1998-10-06

Lewis, Wiliam

Surgery

Instruments

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

606108, 604 22, A61B 1700

Patent

active

058170995

ABSTRACT:
A universal port/seal device is provided for ocular surgery, notably for cataract surgery. The device is inserted into an ocular incision and is adapted to serve as (1) a port for inserting, manipulating and withdrawing a surgical instrument, e.g., the tip of a phacoemulsification handpiece, so as to protect the surrounding tissue from mechanical and thermal injury, and (2) a seal to prevent leakage of fluid from the eye. The device comprises (1) a housing having an internal passageway that permits it to function as a cannula or port for a surgical instrument, (2) at least two jaws that are movable toward and away from one another and are shaped so as to (a) serve as a seal to prevent leakage from a surgical eye incision and (b) accommodate a surgical instrument or tool that is inserted between them via the housing's internal passageway, and (3) sealing member for preventing leakage of fluid via the housing's internal passageway while allowing relative movement of an inserted surgical device.

REFERENCES:
patent: 4784138 (1988-11-01), Sinnett
patent: 5122122 (1992-06-01), Allgood
patent: 5203773 (1993-04-01), Green
patent: 5263950 (1993-11-01), L'Esperance, Jr.
patent: 5330501 (1994-07-01), Tovey et al.
patent: 5391156 (1995-02-01), Hildwein et al.
patent: 5490843 (1996-02-01), Hildwein et al.

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