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CLOSED FEEDBACK CONTROL FOR ELECTROSURGICAL DEVICE
专利权人:
Ethicon LLC
发明人:
Randolph C. Stewart,Chad P. Boudreaux
申请号:
US15613838
公开号:
US20170348064A1
申请日:
2017.06.05
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A robotic surgical system including a control circuit configured to: (i) generate an energy control signal to deliver an electrosurgical energy signal to a first electrode and a second electrode, (ii) measure a current supplied and a voltage applied to the first and second electrodes, (iii) calculate impedance based on the measured current and voltage, (iv) compare the calculated impedance to a predetermined impedance level, (v) generate a subsequent energy control signal to deliver a subsequent electrosurgical energy signal to the first and second electrodes, when the calculated impedance is less than the predetermined impedance level, by adjusting at least one energy signal characteristic between the delivered electrosurgical energy signal and the subsequent electrosurgical energy signal based on the calculated impedance, and (vi) generate a drive control signal to activate a blade when the calculated impedance is greater than or equal to the predetermined impedance level.
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