Protection of EKG monitor against electrical surgical interference
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United States of America Patent
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-
Jan 31, 1989
Grant Date -
N/A
app pub date -
Nov 7, 1986
filing date -
Nov 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A protective device for an EKG monitor for use in surgical electrocautery which employs an electrocautery surgical knife supplied with radio frequency power and an EKG monitoring apparatus having an input and including a scope providing an EKG display. Electrodes are provided for attachment to a surgical patient and are connected to the apparatus by the protective device, which includes a radio frequency detector and disabling apparatus which removes signal from the EKG monitor input in the presence of radio frequency energy.
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