Microkeratome for performing lasik surgery

Details Microkeratome for performing lasik surgery Microkeratome for performing lasik surgery

1999-02-10

2000-12-26

Thaler, Michael H.

Surgery

Instruments

Corneal cutter or guide for corneal cutter

606172, H61F 900

Patent

active

061651893

ABSTRACT:
The microkeratome comprises a holder (1) with a suction ring (11) for attachment to the sclera of a patient's eye and having means (23) for connection to a suction source. A slide (2) is displaceably mounted on the holder (1) in a linear guide thereof. The slide (2) has a plane contact surface for contacting the cornea of the patient's eye and slideable over the cornea in a direction parallel to the contact surface. The slide contains a cutting blade with a cutting edge which is parallel to the contact surface. A first motor moves the slide on the holder. The blade is mounted in the slide for oscillating movement in a direction parallel to the cutting edge. A second motor oscillates the blade. The two motors are mounted on a common motor unit which is detachably mounted to the slide. The holder has a grip portion surrounding the motor unit on two lateral sides and a rear side.

REFERENCES:
patent: 4526171 (1985-07-01), Schachar
patent: 5133726 (1992-07-01), Ruiz et al.
patent: 5997559 (1999-12-01), Ziemer
SN. 09/129,365, Ziemer filed Aug. 5, 1998.

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