Vessel sealing system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 4, 2002
Grant Date -
N/A
app pub date -
Sep 30, 1999
filing date -
Oct 23, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for electrosurgically sealing a tissue includes steps of: (A) applying an initial pulse of RF energy to the tissue, the pulse having characteristics selected so as not to appreciably heat the tissue; (B) measuring a value of an impedance of the tissue in response to the applied pulse; (C) in accordance with the measured impedance value, determining an initial set of pulse parameters for use during a first RF energy pulse that is applied to the tissue; and (D) varying the pulse parameters of individual ones of subsequent RF energy pulses in accordance with at least one characteristic of an electrical transient that occurs during subsequent RF energy pulses. The method terminates the generation of subsequent RF energy pulses upon a determination that the electrical transient is absent or that a minimum output voltage has been reached.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully