Electrosurgical Generator Implant Mode
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Solution Overview
Problem
Electrosurgical energy can interfere with implantable devices such as pacemakers, causing misdetected signals and synchronization issues during procedures, due to the proximity and power delivery methods used in electrosurgery.
Innovation Solution
An electrosurgical generator equipped with a wireless transceiver to detect and communicate with implantable devices, a controller to adjust the RF output waveform based on the type and status of the implantable device, and data packets to manage the device's operating state, ensuring the electrosurgical waveform interlaces with the implantable device's stimulating waveform and minimizes interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If electrosurgical energy is applied at high power levels in proximity to implantable devices, then effective tissue treatment is achieved, but interference with implantable device operation occurs
Solution Approach 1:
The system performs preliminary detection of implantable devices using a wireless transceiver before electrosurgical treatment begins. Based on this detection, the controller pre-calculates and adjusts the electrosurgical waveform parameters to interlace with the implantable device's stimulating waveform, preventing interference before it occurs
Solution Approach 2:
The controller dynamically changes the parameters of the electrosurgical waveform (voltage, current, power, duty cycle, repetition rate, frequency, pulse width, or harmonic content) based on the detected implantable device type and its operating characteristics, ensuring the electrosurgical waveform interlaces with the device's waveform to minimize interference
2Object-affected harmful factors
If the electrosurgical waveform is adjusted to interlace with the implantable device waveform, then interference is minimized, but waveform control complexity increases
Solution Approach 1:
The system establishes a feedback loop where the wireless transceiver continuously monitors the implantable device's operating state and waveform characteristics. The controller uses this feedback information to dynamically adjust the electrosurgical waveform parameters in real-time, ensuring continuous interlacing with the implantable device waveform while maintaining automated control
Data Source
AI summary
Disclosed are devices, systems, and methods for operating an electrosurgical generator, including a radio-frequency (RF) output stage configured to output an electrosurgical waveform, a wireless transceiver configured to communicate with an implantable device in a patient, and a controller coupled to the RF output stage and the wireless transceiver, the controller configured to control the RF output stage to generate an electrosurgical waveform based on the implantable device.