Microkeratome with a detachable head

Details Microkeratome with a detachable head Microkeratome with a detachable head

2006-03-01

2011-12-06

Hughes, S. Thomas (Department: 3731)

Surgery

Instruments

Corneal cutter or guide for corneal cutter

Reexamination Certificate

active

08070764

ABSTRACT:
A microkeratome that includes a latch assembly that couples a head to a hand piece. The latch assembly allows the head to be readily detached from the hand piece and sterilized. There is no need to also sterilize the hand piece. The microkeratome also has a ring assembly that is coupled to the head and the hand piece. The ring assembly may include a fastener that can be unfastened to allow the hand piece and head to be detached from the ring, even while the ring assembly is fixed to a cornea. The hand piece includes a motor that moves the blade across the ring. The microkeratome may have an aspiration connector with a collar that limits the travel of the blade the and thickness of a resulting lamella flap. The aspiration connector can be replaced with a collar of a different diameter to produce a flap with a different thickness.

REFERENCES:
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patent: 2003/0045895 (2003-03-01), Ross et al.
patent: 2003/0139755 (2003-07-01), Dybbs
patent: 2004/0010277 (2004-01-01), Levesque et al.
patent: 2004/0059361 (2004-03-01), Feingold et al.
patent: 2005/0055041 (2005-03-01), Woods
patent: 1 126 804 (2001-08-01), None
patent: WO 98/27901 (1998-07-01), None
patent: WO 02/17834 (2002-03-01), None

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