Flexible intraocular implant injector

Details Flexible intraocular implant injector Flexible intraocular implant injector

2007-05-29

2007-05-29

Hayes, Michael J. (Department: 3734)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

Intraocular lens

C606S107000

Reexamination Certificate

active

10381549

ABSTRACT:
The invention relates to an injector device for injecting an intraocular implant into the eye of a patient, which device comprises a folding chamber for folding the optical portion of the implant, a folding member, a hollow needle for injecting the folded implant into the eye, said hollow needle opening out at a first end of said chamber, a guide channel opening out at the second end of said chamber, and a moving piston mounted in said guide channel so as to push said folded implant into said hollow needle. The piston (40) includes a cylindrical end (44) for co-operating with said implant, said end including an end face (50) that is substantially orthogonal to the length of the piston, said end face presenting an opening (52) opening out in the side wall of the end of the piston and extending over a portion only of the diameter of the piston, said end being provided with a slot (54) extending over a length l such that, together with the length of said opening, the total length is not less than the length of the haptic branch, said slot communicating with said opening and also extending over the entire diameter of the piston so as to open out at its diametral ends in the outside wall of the end of said piston.

REFERENCES:
patent: 4165739 (1979-08-01), Doherty et al.
patent: 5873879 (1999-02-01), Figueroa et al.
patent: 5876406 (1999-03-01), Wolf et al.
patent: 6475181 (2002-11-01), Potter et al.
patent: 199 04 220 (2000-08-01), None
patent: 199 04 220 A 1 (2000-08-01), None
patent: WO 99/59668 (1999-11-01), None

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