Pulsed vacuum cataract removal system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 6, 2002
Grant Date -
N/A
app pub date -
Feb 1, 2000
filing date -
Feb 1, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ophthalmic cutter system that includes a cutter adapted to cut tissue such as a cataract lens and an irrigation handpiece adapted to hold the lens. The irrigation handpiece may be coupled to an irrigation system that introduces an irrigation fluid to the surgical site through the handpiece. The cutter may be coupled to an aspiration system that provides vacuum pulses to the surgical site. The vacuum pulses may pull tissue into a wire located at a distal end of a cutter cannula. The pulses may break and emulsify the tissue which is then aspirated through the cannula by the aspiration system. The wire may be connected to a controller that provides a current which is transformed into heat. The heat may assist in emulsifying the tissue.
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