Vitreous cutter

Details Vitreous cutter Vitreous cutter

1992-10-30

1994-02-08

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

606171, A61B 1732

Patent

active

052844722

ABSTRACT:
A vitreous-cutting surgical device is provided which includes a tubular sleeve having a port in a side wall thereof, proximate to a closed distal end of the tubular sleeve. A vacuum is used for drawing a portion of the vitreous to be cut f rom a body of vitreous into the port and a cutter sleeve, disposed within the tubular sleeve, is provided for cutting the vitreous drawn into the port. Cutting surfaces and a window in the cutter sleeve enable a preferably constant vacuum to be applied to the body of vitreous being cut during cutting thereof to eliminate, or substantially reduce, agitation of the remaining vitreous.

REFERENCES:
patent: 4598710 (1986-07-01), Kleinberg et al.
patent: 4696298 (1987-09-01), Higgins et al.
patent: 4819635 (1989-04-01), Shapiro
patent: 4850354 (1989-07-01), McGurk-Burleson et al.
patent: 4909249 (1990-03-01), Akkas et al.
patent: 5106364 (1992-04-01), Hayafuji et al.
patent: 5176628 (1993-01-01), Charles et al.

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