Methods and apparatus for defibrillating a heart refractory to electrical stimuli
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United States of America Patent
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-
May 1, 2001
Issued Date -
N/A
app pub date -
Dec 17, 1998
filing date -
Oct 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus and methods for defibrillating a heart in fibrillation are provided using apparatus that forms a plurality of transmural channels in a wall of the heart. The apparatus includes a single-use handpiece having a mechanical cutting head and means for stabilizing the cutting head in contact with the tissue. The handpiece is coupled by a disposable cable to a controller that houses a vacuum pump and mechanisms for driving the cutting head. The cutting head is adapted to cooperate with the vacuum pump to evacuate tissue severed during the channel forming process.
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