Suction ablator

Details Suction ablator Suction ablator

2008-06-20

2011-11-29

Dvorak, Linda (Department: 3739)

Surgery

Instruments

Electrical application

C606S041000

Reexamination Certificate

active

08066704

ABSTRACT:
An improved electrode for electrosurgery comprises at least one orifice in the active surface of the electrode connected to a lumen in the probe of larger cross-sectional area than the area of the orifice(s), the lumen being connected to a vacuum, such that a venturi is formed extending from the one or more orifices in the active surface of the electrode to the lumen, whereby flow of fluid, ablated tissue, and other debris in the vicinity of the surgical site is accelerated through the orifice(s), reducing clogging, whereby any particle passing through the orifice(s) is unlikely to become clogged downstream, and whereby the edges of the orifice(s) are ablative, tending to reduce any particles caught at the orifice(s) to a size small enough to pass therethrough.

REFERENCES:
patent: 6010476 (2000-01-01), Saadat
patent: 6210378 (2001-04-01), Ouchi
patent: 6379350 (2002-04-01), Sharkey et al.
patent: 6757565 (2004-06-01), Sharkey et al.
patent: 7150746 (2006-12-01), DeCesare et al.
patent: 7244256 (2007-07-01), De Cesare et al.
patent: 7837683 (2010-11-01), Carmel et al.
patent: 2007/0149965 (2007-06-01), Gallo et al.

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