Vacuum ring with linear bearings for an automated corneal...

Details Vacuum ring with linear bearings for an automated corneal... Vacuum ring with linear bearings for an automated corneal...

2004-01-30

2010-02-09

Milano, Michael J (Department: 3731)

Surgery

Instruments

Corneal cutter or guide for corneal cutter

Reexamination Certificate

active

07658746

ABSTRACT:
A medical device that can be used to cut a cornea. The device may include a blade that is coupled to a head by a blade holder. The device may also have a retention spring that exerts a force on the blade and blade holder. The head and blade can be moved across a ring by a drive assembly that contains a lead screw. The ring may contain one or more openings which have a length that is greater than a width. The openings may be coupled to a vacuum source by a tube. The vacuum pressure of the tube can be displayed by a console. The console may also have switches that allow different operating parameters to be entered through a single knob.

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patent: 5779723 (1998-07-01), Schwind
patent: 5989272 (1999-11-01), Barron et al.
patent: 6183488 (2001-02-01), Ross et al.
patent: 6302896 (2001-10-01), Carriazo et al.
patent: 6605099 (2003-08-01), Hellenkamp

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