Intraocular surgical instrument

Details Intraocular surgical instrument Intraocular surgical instrument

1985-09-27

1987-06-23

Bennet, Henry A.

Surgery

Truss

Pad

604 22, 128752, 128750, 128751, A61F 1732

Patent

active

046745025

ABSTRACT:
An intraocular surgical instrument includes an elongated inner tube that is axially movably connected at a first end to a handpiece, and comprises a cutting edge at a distal end. An elongated outer tube is disposed coaxially with the inner tube, is connected at a first end to the handpiece, and includes a cutting edge at a distal end. A first clearance is provided between the inner tube and the outer tube at a first rearward region and a second region adjacent to the cutting edges, such that the cutting edges are maintained in a cutting relationship. A second clearance, larger than the first clearance, is provided at a third region disposed between the first and second regions.

REFERENCES:
patent: 4200106 (1980-04-01), Douvas et al.
patent: 4577629 (1986-02-01), Martinez

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