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Segmented/Multiple Electrodes implemented by Simple Controller

IP.com Disclosure Number: IPCOM000248905D
Publication Date: 2017-Jan-20
Document File: 2 page(s) / 138K

Publishing Venue

The IP.com Prior Art Database

Abstract

A surgical device transmitting electrical energy to a patient, could be benefitted by having multiple or segmented electrodes. For coagulation of tissue and/or sealing vessels, multiple electrodes may stop bleeding or provide a robust seal, better than a single set of electrodes. This could be applied to monopolar, basic radiofrequency, advanced bipolar, electroporation, etc. Flex electronics allows multiple electrical connections in a narrow area. This could be used to implement segmented electrodes, where each electrode has their own power lines. To control which lines become active, the generator would need to monitor tissue properties of each connected line, and choose when to enable or disable each set of power going to the segmented electrodes. Microprocessors, FPGAs, and Multiplexors all could provide the level of control needed, to enable or disable each set or sets of power lines.

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Segmented/Multiple Electrodes implemented by Simple Controller 

Summary: 

A surgical device transmitting electrical energy to a patient, could be benefitted by having multiple or  segmented electrodes. For coagulation of tissue and/or sealing vessels, multiple electrodes may stop  bleeding or provide a robust seal, better than a single set of electrodes. This could be applied to  monopolar, basic radiofrequency, advanced bipolar, electroporation, etc. 

Flex electronics allows multiple electrical connections in a narrow area. This could be used to implement  segmented electrodes, where each electrode has their own power lines. To control which lines become  active, the generator would need to monitor tissue properties of each connected line, and choose when  to enable or disable each set of power going to the segmented electrodes. 

Microprocessors, FPGAs, and Multiplexors all could provide the level of control needed, to enable or  disable each set or sets of power lines.  

Background: 

Any surgical instrument which implemented electrical energy going through a patient, could be  optimized by segmenting the electrodes to ensure that energy gets to where it needs to be, instead of  applying energy to an entire section of tissue. 

The use of sensors are limited in most surgical instruments, which puts the generator, the source of  electrical energy, responsible for determining tissue properties. Impedance of the tissue is determined  by measuring current and voltage, and deducing the resistance and/or the impedance of the tissue. 

To implement when the electrode combinations should be turned on or off, requires the generator to  analyze the energy going...