Electrosurgical return electrode monitor
First Claim
1. A method for determining the probability of a patient burn under a return electrode in a monopolar electrosurgical system comprising:
- calculating a heating factor adjacent the return electrode utilizing a first algorithm;
calculating a cooling factor adjacent the return electrode utilizing a second algorithm;
subtracting the calculated cooling factor from the calculated heating factor to obtain a difference value;
comparing the difference value to a threshold value; and
adjusting the power dependent on the relationship of the difference value to the threshold value.
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Abstract
The present disclosure provides a method for determining the probability of a patient burn under a return electrode in a monopolar electrosurgical system comprising calculating a heating factor adjacent the return electrode utilizing a first algorithm, calculating a cooling factor adjacent the return electrode utilizing a second algorithm, subtracting the calculated cooling factor from the calculated heating factor to obtain a difference value, comparing the difference value to a threshold value, and adjusting the power dependent on the relationship of the difference value to the threshold value.
171 Citations
15 Claims
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1. A method for determining the probability of a patient burn under a return electrode in a monopolar electrosurgical system comprising:
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calculating a heating factor adjacent the return electrode utilizing a first algorithm;
calculating a cooling factor adjacent the return electrode utilizing a second algorithm;
subtracting the calculated cooling factor from the calculated heating factor to obtain a difference value;
comparing the difference value to a threshold value; and
adjusting the power dependent on the relationship of the difference value to the threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for determining the probability of a patient burn in a monopolar electrosurgical system comprising:
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calculating a heating factor adjacent the return electrode utilizing a first algorithm;
calculating a cooling factor adjacent the return electrode utilizing a second algorithm;
subtracting the calculated cooling factor from the calculated heating factor to obtain a difference value;
comparing the difference value to a threshold value; and
generating a warning signal if the difference value exceeds the threshold value. - View Dependent Claims (12, 13, 14, 15)
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Specification