Device for cutting and holding a cornea during a transplant...

Details Device for cutting and holding a cornea during a transplant... Device for cutting and holding a cornea during a transplant...

2006-12-12

2006-12-12

Hayes, Michael J. (Department: 3734)

Surgery

Instruments

Corneal cutter or guide for corneal cutter

C623S004100

Reexamination Certificate

active

07147648

ABSTRACT:
A device and surgical method for promoting suitable grafting between a healthy donor cornea button and a recipient's healthy corneal tissue. The device is a cornea transplanter comprising a cutting device, a support block having a removable base plate, and a vacuum device. The cornea transplanter is capable of retaining healthy donor corneal tissue as it is buttoned and placed onto the recipient's eye, with minimal physical manipulation of the donor corneal tissue. Once the cornea button is properly positioned, sutures may be symmetrically placed around the cornea button, using suture grooves that guide the suture needle to a particular depth and length of pass.

REFERENCES:
patent: 4190050 (1980-02-01), Bailey
patent: 4718420 (1988-01-01), Lemp
patent: 4744362 (1988-05-01), Gründler
patent: 4865033 (1989-09-01), Krumeich et al.
patent: 4884570 (1989-12-01), Krumeich et al.
patent: 5288292 (1994-02-01), Giraud et al.

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